[glib] Revert "tests: port from g_test_trap_subprocess() to g_test_trap_fork()"



commit 0178402c6d5aee998934db6d4b49fff95dc50c48
Author: Matthias Clasen <mclasen redhat com>
Date:   Wed Dec 19 15:20:37 2012 -0500

    Revert "tests: port from g_test_trap_subprocess() to g_test_trap_fork()"
    
    This reverts commit ea06ec80634ff8f22882f3bc92effb10ac294e41.

 gio/tests/gdbus-exit-on-close.c |  133 ++++++-------
 gio/tests/gdbus-non-socket.c    |    9 +-
 gio/tests/gdbus-proxy.c         |   20 +-
 gio/tests/gschema-compile.c     |   50 ++---
 gio/tests/gsettings.c           |  439 +++++++++++++--------------------------
 glib/tests/array-test.c         |   27 +--
 glib/tests/dataset.c            |   23 +--
 glib/tests/gvariant.c           |   79 +++----
 glib/tests/logging.c            |  204 +++++++-----------
 glib/tests/mem-overflow.c       |  143 +++++--------
 glib/tests/option-context.c     |  372 +++++++++++++++-------------------
 glib/tests/scannerapi.c         |   21 +--
 glib/tests/slice.c              |   17 +-
 glib/tests/test-printf.c        |  281 ++++++++++++++++----------
 glib/tests/testing.c            |  214 +++++++-------------
 glib/tests/utils.c              |   22 +--
 gobject/tests/param.c           |   54 +-----
 tests/Makefile.am               |    1 -
 tests/testglib.c                |   50 +++--
 19 files changed, 884 insertions(+), 1275 deletions(-)
---
diff --git a/gio/tests/gdbus-exit-on-close.c b/gio/tests/gdbus-exit-on-close.c
index 02bb502..08338c4 100644
--- a/gio/tests/gdbus-exit-on-close.c
+++ b/gio/tests/gdbus-exit-on-close.c
@@ -109,73 +109,13 @@ close_async_cb (GObject *source G_GNUC_UNUSED,
 }
 
 static void
-test_exit_on_close_child (gconstpointer test_data)
-{
-  const TestData *td = test_data;
-  GDBusConnection *c;
-
-  loop = g_main_loop_new (NULL, FALSE);
-
-  session_bus_up ();
-  c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
-
-  g_assert (c != NULL);
-
-  /* the default is meant to be TRUE */
-  if (td->exit_on_close != IMPLICITLY_TRUE)
-    g_dbus_connection_set_exit_on_close (c, td->exit_on_close);
-
-  g_assert_cmpint (g_dbus_connection_get_exit_on_close (c), ==,
-                   (td->exit_on_close != EXPLICITLY_FALSE));
-  g_assert (!g_dbus_connection_is_closed (c));
-
-  g_timeout_add (50, quit_later_cb, NULL);
-  g_main_loop_run (loop);
-
-  g_signal_connect (c, "closed", G_CALLBACK (closed_cb), (gpointer) td);
-
-  if (td->who_closes == LOCAL)
-    {
-      GVariant *v;
-      GError *error = NULL;
-
-      v = g_dbus_connection_call_sync (c, "org.freedesktop.DBus",
-                                       "/org/freedesktop/DBus",
-                                       "org.freedesktop.DBus",
-                                       "ListNames",
-                                       NULL,
-                                       G_VARIANT_TYPE ("(as)"),
-                                       G_DBUS_CALL_FLAGS_NONE,
-                                       -1,
-                                       NULL,
-                                       &error);
-      g_assert_no_error (error);
-      g_assert (v != NULL);
-      g_variant_unref (v);
-
-      g_dbus_connection_close (c, NULL, close_async_cb, NULL);
-    }
-  else
-    {
-      session_bus_stop ();
-    }
-
-  g_main_loop_run (loop);
-  /* this is only reached when we turn off exit-on-close */
-  g_main_loop_unref (loop);
-  g_object_unref (c);
-
-  session_bus_down ();
-
-  exit (0);
-}
-
-static void
 test_exit_on_close (gconstpointer test_data)
 {
   const TestData *td = test_data;
   GTestTrapFlags silence;
-  char *child_name;
+
+  /* all the tests rely on a shared main loop */
+  loop = g_main_loop_new (NULL, FALSE);
 
   g_test_dbus_unset ();
 
@@ -184,9 +124,63 @@ test_exit_on_close (gconstpointer test_data)
   else
     silence = G_TEST_TRAP_SILENCE_STDOUT | G_TEST_TRAP_SILENCE_STDERR;
 
-  child_name = g_strdup_printf ("/gdbus/exit-on-close/%s:child", td->name);
-  g_test_trap_subprocess (child_name, 0, silence);
-  g_free (child_name);
+  if (g_test_trap_fork (0, silence))
+    {
+      GDBusConnection *c;
+
+      session_bus_up ();
+      c = g_bus_get_sync (G_BUS_TYPE_SESSION, NULL, NULL);
+
+      g_assert (c != NULL);
+
+      /* the default is meant to be TRUE */
+      if (td->exit_on_close != IMPLICITLY_TRUE)
+        g_dbus_connection_set_exit_on_close (c, td->exit_on_close);
+
+      g_assert_cmpint (g_dbus_connection_get_exit_on_close (c), ==,
+                       (td->exit_on_close != EXPLICITLY_FALSE));
+      g_assert (!g_dbus_connection_is_closed (c));
+
+      g_timeout_add (50, quit_later_cb, NULL);
+      g_main_loop_run (loop);
+
+      g_signal_connect (c, "closed", G_CALLBACK (closed_cb), (gpointer) td);
+
+      if (td->who_closes == LOCAL)
+        {
+          GVariant *v;
+          GError *error = NULL;
+
+          v = g_dbus_connection_call_sync (c, "org.freedesktop.DBus",
+                                           "/org/freedesktop/DBus",
+                                           "org.freedesktop.DBus",
+                                           "ListNames",
+                                           NULL,
+                                           G_VARIANT_TYPE ("(as)"),
+                                           G_DBUS_CALL_FLAGS_NONE,
+                                           -1,
+                                           NULL,
+                                           &error);
+          g_assert_no_error (error);
+          g_assert (v != NULL);
+          g_variant_unref (v);
+
+          g_dbus_connection_close (c, NULL, close_async_cb, NULL);
+        }
+      else
+        {
+          session_bus_stop ();
+        }
+
+      g_main_loop_run (loop);
+      /* this is only reached when we turn off exit-on-close */
+      g_main_loop_unref (loop);
+      g_object_unref (c);
+
+      session_bus_down ();
+
+      exit (0);
+    }
 
   if (td->exit_on_close == EXPLICITLY_FALSE ||
       td->who_closes == LOCAL)
@@ -213,15 +207,10 @@ main (int   argc,
 
   for (i = 0; cases[i].name != NULL; i++)
     {
-      gchar *name;
+      gchar *name = g_strdup_printf ("/gdbus/exit-on-close/%s", cases[i].name);
 
-      name = g_strdup_printf ("/gdbus/exit-on-close/%s", cases[i].name);
       g_test_add_data_func (name, &cases[i], test_exit_on_close);
       g_free (name);
-
-      name = g_strdup_printf ("/gdbus/exit-on-close/%s:child", cases[i].name);
-      g_test_add_data_func (name, &cases[i], test_exit_on_close_child);
-      g_free (name);
     }
 
   return g_test_run();
diff --git a/gio/tests/gdbus-non-socket.c b/gio/tests/gdbus-non-socket.c
index cfda71f..77c814d 100644
--- a/gio/tests/gdbus-non-socket.c
+++ b/gio/tests/gdbus-non-socket.c
@@ -137,7 +137,7 @@ test_non_socket (void)
   pid_t first_child;
   GVariant *ret;
   const gchar *str;
-  gboolean ok, in_child;
+  gboolean ok;
 
   error = NULL;
 
@@ -219,12 +219,7 @@ test_non_socket (void)
       break;
     }
 
-  /* This is #ifdef G_OS_UNIX anyway, so just use g_test_trap_fork() */
-  G_GNUC_BEGIN_IGNORE_DEPRECATIONS;
-  in_child = g_test_trap_fork (0, 0);
-  G_GNUC_END_IGNORE_DEPRECATIONS;
-
-  if (!in_child)
+  if (!g_test_trap_fork (0, 0))
     {
       /* parent */
       g_object_unref (streams[0]);
diff --git a/gio/tests/gdbus-proxy.c b/gio/tests/gdbus-proxy.c
index 844e343..2cf539b 100644
--- a/gio/tests/gdbus-proxy.c
+++ b/gio/tests/gdbus-proxy.c
@@ -620,10 +620,12 @@ test_expected_interface (GDBusProxy *proxy)
   if (g_test_undefined ())
     {
       /* Also check that we complain if setting a cached property of the wrong type */
-      g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
-                             "*Trying to set property y of type s but according to the expected interface the type is y*");
-      g_dbus_proxy_set_cached_property (proxy, "y", g_variant_new_string ("error_me_out!"));
-      g_test_assert_expected_messages ();
+      if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT | G_TEST_TRAP_SILENCE_STDERR))
+        {
+          g_dbus_proxy_set_cached_property (proxy, "y", g_variant_new_string ("error_me_out!"));
+        }
+      g_test_trap_assert_stderr ("*Trying to set property y of type s but according to the expected interface the type is y*");
+      g_test_trap_assert_failed();
     }
 
   /* this should work, however (since the type is correct) */
@@ -634,10 +636,12 @@ test_expected_interface (GDBusProxy *proxy)
       /* Try to get the value of a property where the type we expect is different from
        * what we have in our cache (e.g. what the service returned)
        */
-      g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
-                             "*Trying to get property i with type i but according to the expected interface the type is u*");
-      value = g_dbus_proxy_get_cached_property (proxy, "i");
-      g_test_assert_expected_messages ();
+      if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT | G_TEST_TRAP_SILENCE_STDERR))
+        {
+          value = g_dbus_proxy_get_cached_property (proxy, "i");
+        }
+      g_test_trap_assert_stderr ("*Trying to get property i with type i but according to the expected interface the type is u*");
+      g_test_trap_assert_failed();
     }
 
   /* Even if a property does not exist in expected_interface, looking it
diff --git a/gio/tests/gschema-compile.c b/gio/tests/gschema-compile.c
index a602d1b..a5ce10a 100644
--- a/gio/tests/gschema-compile.c
+++ b/gio/tests/gschema-compile.c
@@ -12,35 +12,27 @@ typedef struct {
 } SchemaTest;
 
 static void
-test_schema_do_compile (gpointer data)
-{
-  SchemaTest *test = (SchemaTest *) data;
-  gchar *filename = g_strconcat (test->name, ".gschema.xml", NULL);
-  gchar *path = g_build_filename (SRCDIR, "schema-tests", filename, NULL);
-  gchar *argv[] = {
-    "../glib-compile-schemas",
-    "--strict",
-    "--dry-run",
-    "--schema-file", path,
-    (gchar *)test->opt,
-    NULL
-  };
-  gchar *envp[] = { NULL };
-
-  execve (argv[0], argv, envp);
-  g_assert_not_reached ();
-}
-
-static void
 test_schema (gpointer data)
 {
   SchemaTest *test = (SchemaTest *) data;
-  gchar *child_name;
-
-  child_name = g_strdup_printf ("/gschema/%s%s:do_compile", test->name, test->opt ? "/opt" : "");
-  g_test_trap_subprocess (child_name, 0, G_TEST_TRAP_SILENCE_STDERR);
-  g_free (child_name);
 
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      gchar *filename = g_strconcat (test->name, ".gschema.xml", NULL);
+      gchar *path = g_build_filename (SRCDIR, "schema-tests", filename, NULL);
+      gchar *argv[] = {
+        "../glib-compile-schemas",
+        "--strict",
+        "--dry-run",
+        "--schema-file", path,
+        (gchar *)test->opt,
+        NULL
+      };
+      gchar *envp[] = { NULL };
+      execve (argv[0], argv, envp);
+      g_free (filename);
+      g_free (path);
+    }
   if (test->err)
     {
       g_test_trap_assert_failed ();
@@ -143,15 +135,9 @@ main (int argc, char *argv[])
 
   for (i = 0; i < G_N_ELEMENTS (tests); ++i)
     {
-      gchar *name;
-
-      name = g_strdup_printf ("/gschema/%s%s", tests[i].name, tests[i].opt ? "/opt" : "");
+      gchar *name = g_strdup_printf ("/gschema/%s%s", tests[i].name, tests[i].opt ? "/opt" : "");
       g_test_add_data_func (name, &tests[i], (gpointer) test_schema);
       g_free (name);
-
-      name = g_strdup_printf ("/gschema/%s%s:do_compile", tests[i].name, tests[i].opt ? "/opt" : "");
-      g_test_add_data_func (name, &tests[i], (gpointer) test_schema_do_compile);
-      g_free (name);
     }
 
   return g_test_run ();
diff --git a/gio/tests/gsettings.c b/gio/tests/gsettings.c
index c2d7469..515fad2 100644
--- a/gio/tests/gsettings.c
+++ b/gio/tests/gsettings.c
@@ -83,27 +83,23 @@ test_basic (void)
  * that is not in the schema
  */
 static void
-test_unknown_key_child (void)
-{
-  GSettings *settings;
-  GVariant *value;
-
-  settings = g_settings_new ("org.gtk.test");
-  value = g_settings_get_value (settings, "no_such_key");
-
-  g_assert (value == NULL);
-
-  g_object_unref (settings);
-}
-
-static void
 test_unknown_key (void)
 {
   if (!g_test_undefined ())
     return;
 
-  g_test_trap_subprocess ("/gsettings/unknown-key:child",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      GSettings *settings;
+      GVariant *value;
+
+      settings = g_settings_new ("org.gtk.test");
+      value = g_settings_get_value (settings, "no_such_key");
+
+      g_assert (value == NULL);
+
+      g_object_unref (settings);
+    }
   g_test_trap_assert_failed ();
   g_test_trap_assert_stderr ("*does not contain*");
 }
@@ -112,23 +108,20 @@ test_unknown_key (void)
  * has not been installed
  */
 static void
-test_no_schema_child (void)
-{
-  GSettings *settings;
-
-  settings = g_settings_new ("no.such.schema");
-
-  g_assert (settings == NULL);
-}
-
-static void
 test_no_schema (void)
 {
   if (!g_test_undefined ())
     return;
 
-  g_test_trap_subprocess ("/gsettings/no-schema:child",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      GSettings *settings;
+
+      settings = g_settings_new ("no.such.schema");
+
+      g_assert (settings == NULL);
+    }
+
   g_test_trap_assert_failed ();
   g_test_trap_assert_stderr ("*Settings schema 'no.such.schema' is not installed*");
 }
@@ -166,31 +159,20 @@ test_wrong_type (void)
 
 /* Check errors with explicit paths */
 static void
-test_wrong_path_child (void)
-{
-  GSettings *settings G_GNUC_UNUSED;
-
-  settings = g_settings_new_with_path ("org.gtk.test", "/wrong-path/");
-}
-
-static void
 test_wrong_path (void)
 {
   if (!g_test_undefined ())
     return;
 
-  g_test_trap_subprocess ("/gsettings/wrong-path:child",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
-  g_test_trap_assert_failed ();
-  g_test_trap_assert_stderr ("*but path * specified by schema*");
-}
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      GSettings *settings G_GNUC_UNUSED;
 
-static void
-test_no_path_child (void)
-{
-  GSettings *settings G_GNUC_UNUSED;
+      settings = g_settings_new_with_path ("org.gtk.test", "/wrong-path/");
+    }
 
-  settings = g_settings_new ("org.gtk.test.no-path");
+  g_test_trap_assert_failed ();
+  g_test_trap_assert_stderr ("*but path * specified by schema*");
 }
 
 static void
@@ -199,8 +181,13 @@ test_no_path (void)
   if (!g_test_undefined ())
     return;
 
-  g_test_trap_subprocess ("/gsettings/no-path:child",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      GSettings *settings G_GNUC_UNUSED;
+
+      settings = g_settings_new ("org.gtk.test.no-path");
+    }
+
   g_test_trap_assert_failed ();
   g_test_trap_assert_stderr ("*attempting to create schema * without a path**");
 }
@@ -1312,28 +1299,24 @@ test_directional_binding (void)
 /* Test that type mismatch is caught when creating a binding
  */
 static void
-test_typesafe_binding_child (void)
-{
-  TestObject *obj;
-  GSettings *settings;
-
-  settings = g_settings_new ("org.gtk.test.binding");
-  obj = test_object_new ();
-
-  g_settings_bind (settings, "string", obj, "int", G_SETTINGS_BIND_DEFAULT);
-
-  g_object_unref (obj);
-  g_object_unref (settings);
-}
-
-static void
 test_typesafe_binding (void)
 {
   if (!g_test_undefined ())
     return;
 
-  g_test_trap_subprocess ("/gsettings/typesafe-binding:child",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      TestObject *obj;
+      GSettings *settings;
+
+      settings = g_settings_new ("org.gtk.test.binding");
+      obj = test_object_new ();
+
+      g_settings_bind (settings, "string", obj, "int", G_SETTINGS_BIND_DEFAULT);
+
+      g_object_unref (obj);
+      g_object_unref (settings);
+    }
   g_test_trap_assert_failed ();
   g_test_trap_assert_stderr ("*not compatible*");
 }
@@ -1442,43 +1425,36 @@ test_no_change_binding (void)
  * works in 'GET' mode.
  */
 static void
-test_no_read_binding_fail (void)
-{
-  TestObject *obj;
-  GSettings *settings;
-
-  settings = g_settings_new ("org.gtk.test.binding");
-  obj = test_object_new ();
-
-  g_settings_bind (settings, "string", obj, "no-read", 0);
-}
-
-static void
-test_no_read_binding_pass (void)
-{
-  TestObject *obj;
-  GSettings *settings;
-
-  settings = g_settings_new ("org.gtk.test.binding");
-  obj = test_object_new ();
-
-  g_settings_bind (settings, "string", obj, "no-read", G_SETTINGS_BIND_GET);
-
-  exit (0);
-}
-
-static void
 test_no_read_binding (void)
 {
   if (g_test_undefined ())
     {
-      g_test_trap_subprocess ("/gsettings/no-read-binding:fail",
-                              0, G_TEST_TRAP_SILENCE_STDERR);
+      if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+        {
+          TestObject *obj;
+          GSettings *settings;
+
+          settings = g_settings_new ("org.gtk.test.binding");
+          obj = test_object_new ();
+
+          g_settings_bind (settings, "string", obj, "no-read", 0);
+        }
       g_test_trap_assert_failed ();
       g_test_trap_assert_stderr ("*property*is not readable*");
     }
 
-  g_test_trap_subprocess ("/gsettings/no-read-binding:pass", 0, 0);
+  if (g_test_trap_fork (0, 0))
+    {
+      TestObject *obj;
+      GSettings *settings;
+
+      settings = g_settings_new ("org.gtk.test.binding");
+      obj = test_object_new ();
+
+      g_settings_bind (settings, "string", obj, "no-read", G_SETTINGS_BIND_GET);
+
+      exit (0);
+    }
   g_test_trap_assert_passed ();
 }
 
@@ -1486,43 +1462,36 @@ test_no_read_binding (void)
  * works in 'SET' mode.
  */
 static void
-test_no_write_binding_fail (void)
-{
-  TestObject *obj;
-  GSettings *settings;
-
-  settings = g_settings_new ("org.gtk.test.binding");
-  obj = test_object_new ();
-
-  g_settings_bind (settings, "string", obj, "no-write", 0);
-}
-
-static void
-test_no_write_binding_pass (void)
-{
-  TestObject *obj;
-  GSettings *settings;
-
-  settings = g_settings_new ("org.gtk.test.binding");
-  obj = test_object_new ();
-
-  g_settings_bind (settings, "string", obj, "no-write", G_SETTINGS_BIND_SET);
-
-  exit (0);
-}
-
-static void
 test_no_write_binding (void)
 {
   if (g_test_undefined ())
     {
-      g_test_trap_subprocess ("/gsettings/no-write-binding:fail",
-                              0, G_TEST_TRAP_SILENCE_STDERR);
+      if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+        {
+          TestObject *obj;
+          GSettings *settings;
+
+          settings = g_settings_new ("org.gtk.test.binding");
+          obj = test_object_new ();
+
+          g_settings_bind (settings, "string", obj, "no-write", 0);
+        }
       g_test_trap_assert_failed ();
       g_test_trap_assert_stderr ("*property*is not writable*");
     }
 
-  g_test_trap_subprocess ("/gsettings/no-write-binding:pass", 0, 0);
+  if (g_test_trap_fork (0, 0))
+    {
+      TestObject *obj;
+      GSettings *settings;
+
+      settings = g_settings_new ("org.gtk.test.binding");
+      obj = test_object_new ();
+
+      g_settings_bind (settings, "string", obj, "no-write", G_SETTINGS_BIND_SET);
+
+      exit (0);
+    }
   g_test_trap_assert_passed ();
 }
 
@@ -1662,46 +1631,6 @@ test_strinfo (void)
 }
 
 static void
-test_enums_non_enum_key (void)
-{
-  GSettings *direct;
-
-  direct = g_settings_new ("org.gtk.test.enums.direct");
-  g_settings_get_enum (direct, "test");
-  g_assert_not_reached ();
-}
-
-static void
-test_enums_non_enum_value (void)
-{
-  GSettings *settings;
-
-  settings = g_settings_new ("org.gtk.test.enums");
-  g_settings_set_enum (settings, "test", 42);
-  g_assert_not_reached ();
-}
-
-static void
-test_enums_range (void)
-{
-  GSettings *settings;
-
-  settings = g_settings_new ("org.gtk.test.enums");
-  g_settings_set_string (settings, "test", "qux");
-  g_assert_not_reached ();
-}
-
-static void
-test_enums_non_flags (void)
-{
-  GSettings *settings;
-
-  settings = g_settings_new ("org.gtk.test.enums");
-  g_settings_get_flags (settings, "test");
-  g_assert_not_reached ();
-}
-
-static void
 test_enums (void)
 {
   GSettings *settings, *direct;
@@ -1712,23 +1641,23 @@ test_enums (void)
 
   if (g_test_undefined () && !backend_set)
     {
-      g_test_trap_subprocess ("/gsettings/enums:non-enum-key",
-                              0, G_TEST_TRAP_SILENCE_STDERR);
+      if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+        g_settings_get_enum (direct, "test");
       g_test_trap_assert_failed ();
       g_test_trap_assert_stderr ("*not associated with an enum*");
 
-      g_test_trap_subprocess ("/gsettings/enums:non-enum-value",
-                              0, G_TEST_TRAP_SILENCE_STDERR);
+      if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+        g_settings_set_enum (settings, "test", 42);
       g_test_trap_assert_failed ();
       g_test_trap_assert_stderr ("*invalid enum value 42*");
 
-      g_test_trap_subprocess ("/gsettings/enums:range",
-                              0, G_TEST_TRAP_SILENCE_STDERR);
+      if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+        g_settings_set_string (settings, "test", "qux");
       g_test_trap_assert_failed ();
       g_test_trap_assert_stderr ("*g_settings_set_value*valid range*");
 
-      g_test_trap_subprocess ("/gsettings/enums:non-flags",
-                              0, G_TEST_TRAP_SILENCE_STDERR);
+      if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+        g_settings_get_flags (settings, "test");
       g_test_trap_assert_failed ();
       g_test_trap_assert_stderr ("*not associated with a flags*");
     }
@@ -1759,47 +1688,6 @@ test_enums (void)
 }
 
 static void
-test_flags_non_flags_key (void)
-{
-  GSettings *direct;
-
-  direct = g_settings_new ("org.gtk.test.enums.direct");
-  g_settings_get_flags (direct, "test");
-  g_assert_not_reached ();
-}
-
-static void
-test_flags_non_flags_value (void)
-{
-  GSettings *settings;
-
-  settings = g_settings_new ("org.gtk.test.enums");
-  g_settings_set_flags (settings, "f-test", 0x42);
-  g_assert_not_reached ();
-}
-
-static void
-test_flags_range (void)
-{
-  GSettings *settings;
-
-  settings = g_settings_new ("org.gtk.test.enums");
-  g_settings_set_strv (settings, "f-test",
-                       (const gchar **) g_strsplit ("rock", ",", 0));
-  g_assert_not_reached ();
-}
-
-static void
-test_flags_non_enum (void)
-{
-  GSettings *settings;
-
-  settings = g_settings_new ("org.gtk.test.enums");
-  g_settings_get_enum (settings, "f-test");
-  g_assert_not_reached ();
-}
-
-static void
 test_flags (void)
 {
   GSettings *settings, *direct;
@@ -1811,23 +1699,24 @@ test_flags (void)
 
   if (g_test_undefined () && !backend_set)
     {
-      g_test_trap_subprocess ("/gsettings/flags:non-flags-key",
-                              0, G_TEST_TRAP_SILENCE_STDERR);
+      if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+        g_settings_get_flags (direct, "test");
       g_test_trap_assert_failed ();
       g_test_trap_assert_stderr ("*not associated with a flags*");
 
-      g_test_trap_subprocess ("/gsettings/flags:non-flags-value",
-                              0, G_TEST_TRAP_SILENCE_STDERR);
+      if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+        g_settings_set_flags (settings, "f-test", 0x42);
       g_test_trap_assert_failed ();
       g_test_trap_assert_stderr ("*invalid flags value 0x00000042*");
 
-      g_test_trap_subprocess ("/gsettings/flags:range",
-                              0, G_TEST_TRAP_SILENCE_STDERR);
+      if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+        g_settings_set_strv (settings, "f-test",
+                             (const gchar **) g_strsplit ("rock", ",", 0));
       g_test_trap_assert_failed ();
       g_test_trap_assert_stderr ("*g_settings_set_value*valid range*");
 
-      g_test_trap_subprocess ("/gsettings/flags:non-enum",
-                              0, G_TEST_TRAP_SILENCE_STDERR);
+      if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+        g_settings_get_enum (settings, "f-test");
       g_test_trap_assert_failed ();
       g_test_trap_assert_stderr ("*not associated with an enum*");
     }
@@ -1871,26 +1760,6 @@ test_flags (void)
 }
 
 static void
-test_range_high (void)
-{
-  GSettings *settings;
-
-  settings = g_settings_new ("org.gtk.test.range");
-  g_settings_set_int (settings, "val", 45);
-  g_assert_not_reached ();
-}
-
-static void
-test_range_low (void)
-{
-  GSettings *settings;
-
-  settings = g_settings_new ("org.gtk.test.range");
-  g_settings_set_int (settings, "val", 1);
-  g_assert_not_reached ();
-}
-
-static void
 test_range (void)
 {
   GSettings *settings, *direct;
@@ -1901,13 +1770,13 @@ test_range (void)
 
   if (g_test_undefined () && !backend_set)
     {
-      g_test_trap_subprocess ("/gsettings/range:high",
-                              0, G_TEST_TRAP_SILENCE_STDERR);
+      if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+        g_settings_set_int (settings, "val", 45);
       g_test_trap_assert_failed ();
       g_test_trap_assert_stderr ("*g_settings_set_value*valid range*");
 
-      g_test_trap_subprocess ("/gsettings/range:low",
-                              0, G_TEST_TRAP_SILENCE_STDERR);
+      if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+        g_settings_set_int (settings, "val", 1);
       g_test_trap_assert_failed ();
       g_test_trap_assert_stderr ("*g_settings_set_value*valid range*");
     }
@@ -2264,55 +2133,48 @@ main (int argc, char *argv[])
 
   setlocale (LC_ALL, "");
 
+  backend_set = g_getenv ("GSETTINGS_BACKEND") != NULL;
+
+  g_setenv ("XDG_DATA_DIRS", ".", TRUE);
+  g_setenv ("GSETTINGS_SCHEMA_DIR", ".", TRUE);
+
+  if (!backend_set)
+    g_setenv ("GSETTINGS_BACKEND", "memory", TRUE);
+
   g_test_init (&argc, &argv, NULL);
 
-  if (!g_test_subprocess ())
-    {
-      backend_set = g_getenv ("GSETTINGS_BACKEND") != NULL;
-
-      g_setenv ("XDG_DATA_DIRS", ".", TRUE);
-      g_setenv ("GSETTINGS_SCHEMA_DIR", ".", TRUE);
-
-      if (!backend_set)
-        g_setenv ("GSETTINGS_BACKEND", "memory", TRUE);
-
-      g_remove ("org.gtk.test.enums.xml");
-      g_assert (g_spawn_command_line_sync ("../../gobject/glib-mkenums "
-                                           "--template " SRCDIR "/enums.xml.template "
-                                           SRCDIR "/testenum.h",
-                                           &enums, NULL, &result, NULL));
-      g_assert (result == 0);
-      g_assert (g_file_set_contents ("org.gtk.test.enums.xml", enums, -1, NULL));
-      g_free (enums);
-
-      g_remove ("gschemas.compiled");
-      g_assert (g_spawn_command_line_sync ("../glib-compile-schemas --targetdir=. "
-                                           "--schema-file=org.gtk.test.enums.xml "
-                                           "--schema-file=" SRCDIR "/org.gtk.test.gschema.xml",
-                                           NULL, NULL, &result, NULL));
-      g_assert (result == 0);
-
-      g_remove ("schema-source/gschemas.compiled");
-      g_mkdir ("schema-source", 0777);
-      g_assert (g_spawn_command_line_sync ("../glib-compile-schemas --targetdir=schema-source "
-                                           "--schema-file=" SRCDIR "/org.gtk.schemasourcecheck.gschema.xml",
-                                           NULL, NULL, &result, NULL));
-      g_assert (result == 0);
-    }
+  g_remove ("org.gtk.test.enums.xml");
+  g_assert (g_spawn_command_line_sync ("../../gobject/glib-mkenums "
+                                       "--template " SRCDIR "/enums.xml.template "
+                                       SRCDIR "/testenum.h",
+                                       &enums, NULL, &result, NULL));
+  g_assert (result == 0);
+  g_assert (g_file_set_contents ("org.gtk.test.enums.xml", enums, -1, NULL));
+  g_free (enums);
+
+  g_remove ("gschemas.compiled");
+  g_assert (g_spawn_command_line_sync ("../glib-compile-schemas --targetdir=. "
+                                       "--schema-file=org.gtk.test.enums.xml "
+                                       "--schema-file=" SRCDIR "/org.gtk.test.gschema.xml",
+                                       NULL, NULL, &result, NULL));
+  g_assert (result == 0);
+
+  g_remove ("schema-source/gschemas.compiled");
+  g_mkdir ("schema-source", 0777);
+  g_assert (g_spawn_command_line_sync ("../glib-compile-schemas --targetdir=schema-source "
+                                       "--schema-file=" SRCDIR "/org.gtk.schemasourcecheck.gschema.xml",
+                                       NULL, NULL, &result, NULL));
+  g_assert (result == 0);
 
   g_test_add_func ("/gsettings/basic", test_basic);
 
   if (!backend_set)
     {
       g_test_add_func ("/gsettings/no-schema", test_no_schema);
-      g_test_add_func ("/gsettings/no-schema:child", test_no_schema_child);
       g_test_add_func ("/gsettings/unknown-key", test_unknown_key);
-      g_test_add_func ("/gsettings/unknown-key:child", test_unknown_key_child);
       g_test_add_func ("/gsettings/wrong-type", test_wrong_type);
       g_test_add_func ("/gsettings/wrong-path", test_wrong_path);
-      g_test_add_func ("/gsettings/wrong-path:child", test_wrong_path_child);
       g_test_add_func ("/gsettings/no-path", test_no_path);
-      g_test_add_func ("/gsettings/no-path:child", test_no_path_child);
     }
 
   g_test_add_func ("/gsettings/basic-types", test_basic_types);
@@ -2339,31 +2201,16 @@ main (int argc, char *argv[])
   if (!backend_set)
     {
       g_test_add_func ("/gsettings/typesafe-binding", test_typesafe_binding);
-      g_test_add_func ("/gsettings/typesafe-binding:child", test_typesafe_binding_child);
       g_test_add_func ("/gsettings/no-read-binding", test_no_read_binding);
-      g_test_add_func ("/gsettings/no-read-binding:fail", test_no_read_binding_fail);
-      g_test_add_func ("/gsettings/no-read-binding:pass", test_no_read_binding_pass);
       g_test_add_func ("/gsettings/no-write-binding", test_no_write_binding);
-      g_test_add_func ("/gsettings/no-write-binding:fail", test_no_write_binding_fail);
-      g_test_add_func ("/gsettings/no-write-binding:pass", test_no_write_binding_pass);
     }
 
   g_test_add_func ("/gsettings/keyfile", test_keyfile);
   g_test_add_func ("/gsettings/child-schema", test_child_schema);
   g_test_add_func ("/gsettings/strinfo", test_strinfo);
   g_test_add_func ("/gsettings/enums", test_enums);
-  g_test_add_func ("/gsettings/enums:non-enum-key", test_enums_non_enum_key);
-  g_test_add_func ("/gsettings/enums:non-enum-value", test_enums_non_enum_value);
-  g_test_add_func ("/gsettings/enums:range", test_enums_range);
-  g_test_add_func ("/gsettings/enums:non-flags", test_enums_non_flags);
   g_test_add_func ("/gsettings/flags", test_flags);
-  g_test_add_func ("/gsettings/flags:non-flags-key", test_flags_non_flags_key);
-  g_test_add_func ("/gsettings/flags:non-flags-value", test_flags_non_flags_value);
-  g_test_add_func ("/gsettings/flags:range", test_flags_range);
-  g_test_add_func ("/gsettings/flags:non-enum", test_flags_non_enum);
   g_test_add_func ("/gsettings/range", test_range);
-  g_test_add_func ("/gsettings/range:high", test_range_high);
-  g_test_add_func ("/gsettings/range:low", test_range_low);
   g_test_add_func ("/gsettings/list-items", test_list_items);
   g_test_add_func ("/gsettings/list-schemas", test_list_schemas);
   g_test_add_func ("/gsettings/mapped", test_get_mapped);
diff --git a/glib/tests/array-test.c b/glib/tests/array-test.c
index 83777ba..255bb3f 100644
--- a/glib/tests/array-test.c
+++ b/glib/tests/array-test.c
@@ -216,25 +216,23 @@ static GMemVTable array_large_size_mem_vtable = {
 };
 
 static void
-array_large_size_subprocess (void)
-{
-  GArray *array;
-
-  array = g_array_new (FALSE, FALSE, sizeof (char));
-
-  g_mem_set_vtable (&array_large_size_mem_vtable);
-  g_array_set_size (array, 1073750016);
-  g_assert_not_reached ();
-}
-
-static void
 array_large_size (void)
 {
+  GArray* array;
+
   g_test_bug ("568760");
 
-  g_test_trap_subprocess ("/array/large-size:subprocess",
-                          5 /* s */ * 1000 /* ms */ * 1000 /* Âs */, 0);
+  array = g_array_new (FALSE, FALSE, sizeof (char));
+
+  if (g_test_trap_fork (5 /* s */ * 1000 /* ms */ * 1000 /* Âs */, 0))
+    {
+      g_mem_set_vtable (&array_large_size_mem_vtable);
+      g_array_set_size (array, 1073750016);
+      g_assert_not_reached ();
+    }
   g_test_trap_assert_passed ();
+
+  g_array_free (array, TRUE);
 }
 
 static int
@@ -853,7 +851,6 @@ main (int argc, char *argv[])
   g_test_add_func ("/array/remove-range", array_remove_range);
   g_test_add_func ("/array/ref-count", array_ref_count);
   g_test_add_func ("/array/large-size", array_large_size);
-  g_test_add_func ("/array/large-size:subprocess", array_large_size_subprocess);
   g_test_add_func ("/array/sort", array_sort);
   g_test_add_func ("/array/sort-with-data", array_sort_with_data);
   g_test_add_func ("/array/clear-func", array_clear_func);
diff --git a/glib/tests/dataset.c b/glib/tests/dataset.c
index 45872ae..fa57d84 100644
--- a/glib/tests/dataset.c
+++ b/glib/tests/dataset.c
@@ -183,21 +183,17 @@ free_one (gpointer data)
 }
 
 static void
-test_datalist_clear_subprocess (void)
-{
-  g_datalist_init (&list);
-  g_datalist_set_data_full (&list, "one", GINT_TO_POINTER (1), free_one);
-  g_datalist_set_data_full (&list, "two", GINT_TO_POINTER (2), NULL);
-  g_datalist_clear (&list);
-  g_assert (list == NULL);
-}
-
-static void
 test_datalist_clear (void)
 {
-  /* Need to use a subprocess because it will deadlock if it fails */
-  g_test_trap_subprocess ("/datalist/recursive-clear:subprocess",
-                          500000, 0);
+  if (g_test_trap_fork (500000, 0))
+    {
+      g_datalist_init (&list);
+      g_datalist_set_data_full (&list, "one", GINT_TO_POINTER (1), free_one);
+      g_datalist_set_data_full (&list, "two", GINT_TO_POINTER (2), NULL);
+      g_datalist_clear (&list);
+      g_assert (list == NULL);
+      exit (0);
+    }
   g_test_trap_assert_passed ();
 }
 
@@ -214,7 +210,6 @@ main (int argc, char *argv[])
   g_test_add_func ("/dataset/foreach", test_dataset_foreach);
   g_test_add_func ("/dataset/destroy", test_dataset_destroy);
   g_test_add_func ("/datalist/recursive-clear", test_datalist_clear);
-  g_test_add_func ("/datalist/recursive-clear:subprocess", test_datalist_clear_subprocess);
 
   return g_test_run ();
 }
diff --git a/glib/tests/gvariant.c b/glib/tests/gvariant.c
index bee625a..d2d09d9 100644
--- a/glib/tests/gvariant.c
+++ b/glib/tests/gvariant.c
@@ -2809,12 +2809,24 @@ test_format_strings (void)
 }
 
 static void
-do_failed_test (const char *test,
-                const gchar *pattern)
+exit_on_abort (int signal)
 {
-  g_test_trap_subprocess (test, 1000000, G_TEST_TRAP_SILENCE_STDERR);
+  exit (signal);
+}
+
+static gboolean
+do_failed_test (const gchar *pattern)
+{
+  if (g_test_trap_fork (1000000, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      signal (SIGABRT, exit_on_abort);
+      return TRUE;
+    }
+
   g_test_trap_assert_failed ();
   g_test_trap_assert_stderr (pattern);
+
+  return FALSE;
 }
 
 static void
@@ -2863,14 +2875,6 @@ check_and_free (GVariant    *value,
 }
 
 static void
-test_varargs_empty_array (void)
-{
-  g_variant_new ("(a{s*})", NULL);
-
-  g_assert_not_reached ();
-}
-
-static void
 test_varargs (void)
 {
   {
@@ -3402,8 +3406,8 @@ test_varargs (void)
     g_variant_unref (value);
     g_free (str);
 
-    do_failed_test ("/gvariant/varargs:empty-array",
-                    "*which type of empty array*");
+    if (do_failed_test ("*which type of empty array*"))
+      g_variant_new ("(a{s*})", NULL);
   }
 
   g_variant_type_info_assert_no_infos ();
@@ -3865,30 +3869,6 @@ test_parse_failures (void)
 }
 
 static void
-test_parse_bad_format_char (void)
-{
-  g_variant_new_parsed ("%z");
-
-  g_assert_not_reached ();
-}
- 
-static void
-test_parse_bad_format_string (void)
-{
-  g_variant_new_parsed ("uint32 %i", 2);
-
-  g_assert_not_reached ();
-}
-
-static void
-test_parse_bad_args (void)
-{
-  g_variant_new_parsed ("% i", g_variant_new_uint32 (2));
-
-  g_assert_not_reached ();
-}
-
-static void
 test_parse_positional (void)
 {
   GVariant *value;
@@ -3903,14 +3883,23 @@ test_parse_positional (void)
 
   if (g_test_undefined ())
     {
-      do_failed_test ("/gvariant/parse:bad-format-char",
-                      "*GVariant format string*");
+      if (do_failed_test ("*GVariant format string*"))
+        {
+          g_variant_new_parsed ("%z");
+          abort ();
+        }
 
-      do_failed_test ("/gvariant/parse:bad-format-string",
-                      "*can not parse as*");
+      if (do_failed_test ("*can not parse as*"))
+        {
+          g_variant_new_parsed ("uint32 %i", 2);
+          abort ();
+        }
 
-      do_failed_test ("/gvariant/parse:bad-args",
-                      "*expected GVariant of type `i'*");
+      if (do_failed_test ("*expected GVariant of type `i'*"))
+        {
+          g_variant_new_parsed ("% i", g_variant_new_uint32 (2));
+          abort ();
+        }
     }
 }
 
@@ -4326,7 +4315,6 @@ main (int argc, char **argv)
   g_test_add_func ("/gvariant/format-strings", test_format_strings);
   g_test_add_func ("/gvariant/invalid-varargs", test_invalid_varargs);
   g_test_add_func ("/gvariant/varargs", test_varargs);
-  g_test_add_func ("/gvariant/varargs:empty-array", test_varargs_empty_array);
   g_test_add_func ("/gvariant/valist", test_valist);
   g_test_add_func ("/gvariant/builder-memory", test_builder_memory);
   g_test_add_func ("/gvariant/hashing", test_hashing);
@@ -4334,9 +4322,6 @@ main (int argc, char **argv)
   g_test_add_func ("/gvariant/parser", test_parses);
   g_test_add_func ("/gvariant/parse-failures", test_parse_failures);
   g_test_add_func ("/gvariant/parse-positional", test_parse_positional);
-  g_test_add_func ("/gvariant/parse:bad-format-char", test_parse_bad_format_char);
-  g_test_add_func ("/gvariant/parse:bad-format-string", test_parse_bad_format_string);
-  g_test_add_func ("/gvariant/parse:bad-args", test_parse_bad_args);
   g_test_add_func ("/gvariant/floating", test_floating);
   g_test_add_func ("/gvariant/bytestring", test_bytestring);
   g_test_add_func ("/gvariant/lookup-value", test_lookup_value);
diff --git a/glib/tests/logging.c b/glib/tests/logging.c
index 66d31ca..f90dc74 100644
--- a/glib/tests/logging.c
+++ b/glib/tests/logging.c
@@ -5,15 +5,19 @@
 static void
 test_warnings (void)
 {
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
-                         "*test_warnings*should not be reached*");
-  g_warn_if_reached ();
-  g_test_assert_expected_messages ();
-
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
-                         "*test_warnings*runtime check failed*");
-  g_warn_if_fail (FALSE);
-  g_test_assert_expected_messages ();
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_warn_if_reached ();
+    }
+  g_test_trap_assert_failed();
+  g_test_trap_assert_stderr ("*WARNING*test_warnings*should not be reached*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_warn_if_fail (FALSE);
+    }
+  g_test_trap_assert_failed();
+  g_test_trap_assert_stderr ("*WARNING*test_warnings*runtime check failed*");
 }
 
 static guint log_count = 0;
@@ -40,153 +44,113 @@ test_set_handler (void)
 
   id = g_log_set_handler ("bu", G_LOG_LEVEL_INFO, log_handler, NULL);
 
-  g_log ("bu", G_LOG_LEVEL_DEBUG, "message");
-  g_log ("ba", G_LOG_LEVEL_DEBUG, "message");
-  g_log ("bu", G_LOG_LEVEL_INFO, "message");
-  g_log ("ba", G_LOG_LEVEL_INFO, "message");
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      g_log ("bu", G_LOG_LEVEL_DEBUG, "message");
+      g_log ("ba", G_LOG_LEVEL_DEBUG, "message");
+      g_log ("bu", G_LOG_LEVEL_INFO, "message");
+      g_log ("ba", G_LOG_LEVEL_INFO, "message");
 
-  g_assert_cmpint (log_count, ==, 1);
+      g_assert_cmpint (log_count, ==, 1);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
 
   g_log_remove_handler ("bu", id);
 }
 
 static void
-test_default_handler_error (void)
-{
-  g_error ("message1");
-  exit (0);
-}
-
-static void
-test_default_handler_critical (void)
-{
-  g_critical ("message2");
-  exit (0);
-}
-
-static void
-test_default_handler_warning (void)
-{
-  g_warning ("message3");
-  exit (0);
-}
-
-static void
-test_default_handler_message (void)
-{
-  g_message ("message4");
-  exit (0);
-}
-
-static void
-test_default_handler_info (void)
-{
-  g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, "message5");
-  exit (0);
-}
-
-static void
-test_default_handler_bar_info (void)
-{
-  g_setenv ("G_MESSAGES_DEBUG", "foo bar baz", TRUE);
-
-  g_log ("bar", G_LOG_LEVEL_INFO, "message5");
-  exit (0);
-}
-
-static void
-test_default_handler_baz_debug (void)
-{
-  g_setenv ("G_MESSAGES_DEBUG", "foo bar baz", TRUE);
-
-  g_log ("baz", G_LOG_LEVEL_DEBUG, "message6");
-  exit (0);
-}
-
-static void
-test_default_handler_debug (void)
-{
-  g_setenv ("G_MESSAGES_DEBUG", "all", TRUE);
-
-  g_log ("foo", G_LOG_LEVEL_DEBUG, "6");
-  g_log ("bar", G_LOG_LEVEL_DEBUG, "6");
-  g_log ("baz", G_LOG_LEVEL_DEBUG, "6");
-  exit (0);
-}
-
-static void
-test_default_handler_0x400 (void)
-{
-  g_log (G_LOG_DOMAIN, 1<<10, "message7");
-  exit (0);
-}
-
-static void
 test_default_handler (void)
 {
-  g_test_trap_subprocess ("/logging/default-handler:error",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_error ("message1");
+      exit (0);
+    }
   g_test_trap_assert_failed ();
   g_test_trap_assert_stderr ("*ERROR*message1*");
 
-  g_test_trap_subprocess ("/logging/default-handler:critical",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_critical ("message2");
+      exit (0);
+    }
   g_test_trap_assert_failed ();
   g_test_trap_assert_stderr ("*CRITICAL*message2*");
 
-  g_test_trap_subprocess ("/logging/default-handler:warning",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_warning ("message3");
+      exit (0);
+    }
   g_test_trap_assert_failed ();
   g_test_trap_assert_stderr ("*WARNING*message3*");
 
-  g_test_trap_subprocess ("/logging/default-handler:message",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_message ("message4");
+      exit (0);
+    }
   g_test_trap_assert_passed ();
   g_test_trap_assert_stderr ("*Message*message4*");
 
-  g_test_trap_subprocess ("/logging/default-handler:info",
-                          0, G_TEST_TRAP_SILENCE_STDOUT);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      g_log (G_LOG_DOMAIN, G_LOG_LEVEL_INFO, "message5");
+      exit (0);
+    }
   g_test_trap_assert_passed ();
   g_test_trap_assert_stdout_unmatched ("*INFO*message5*");
 
-  g_test_trap_subprocess ("/logging/default-handler:bar-info",
-                          0, G_TEST_TRAP_SILENCE_STDOUT);
+  g_setenv ("G_MESSAGES_DEBUG", "foo bar baz", TRUE);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      g_log ("bar", G_LOG_LEVEL_INFO, "message5");
+      exit (0);
+    }
   g_test_trap_assert_passed ();
   g_test_trap_assert_stdout ("*INFO*message5*");
 
-  g_test_trap_subprocess ("/logging/default-handler:baz-debug",
-                          0, G_TEST_TRAP_SILENCE_STDOUT);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      g_log ("baz", G_LOG_LEVEL_DEBUG, "message6");
+      exit (0);
+    }
   g_test_trap_assert_passed ();
   g_test_trap_assert_stdout ("*DEBUG*message6*");
 
-  g_test_trap_subprocess ("/logging/default-handler:debug",
-                          0, G_TEST_TRAP_SILENCE_STDOUT);
+  g_setenv ("G_MESSAGES_DEBUG", "all", TRUE);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      g_log ("foo", G_LOG_LEVEL_DEBUG, "6");
+      g_log ("bar", G_LOG_LEVEL_DEBUG, "6");
+      g_log ("baz", G_LOG_LEVEL_DEBUG, "6");
+      exit (0);
+    }
   g_test_trap_assert_passed ();
   g_test_trap_assert_stdout ("*DEBUG*6*6*6*");
 
-  g_test_trap_subprocess ("/logging/default-handler:0x400",
-                          0, G_TEST_TRAP_SILENCE_STDOUT);
+  g_unsetenv ("G_MESSAGES_DEBUG");
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      g_log (G_LOG_DOMAIN, 1<<10, "message7");
+      exit (0);
+    }
   g_test_trap_assert_passed ();
   g_test_trap_assert_stdout ("*LOG-0x400*message7*");
 }
 
 /* test that setting levels as fatal works */
 static void
-test_fatal_log_mask_child (void)
-{
-  g_log_set_fatal_mask ("bu", G_LOG_LEVEL_INFO);
-  g_log ("bu", G_LOG_LEVEL_INFO, "fatal");
-  exit (0);
-}
-
-static void
 test_fatal_log_mask (void)
 {
-  g_test_trap_subprocess ("/logging/fatal-log-mask:child",
-                          0, G_TEST_TRAP_SILENCE_STDOUT);
+  GLogLevelFlags flags;
+
+  flags = g_log_set_fatal_mask ("bu", G_LOG_LEVEL_INFO);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    g_log ("bu", G_LOG_LEVEL_INFO, "fatal");
   g_test_trap_assert_failed ();
-  /* G_LOG_LEVEL_INFO isn't printed by default */
-  g_test_trap_assert_stdout_unmatched ("*fatal*");
+  g_log_set_fatal_mask ("bu", flags);
 }
 
 static gint my_print_count = 0;
@@ -291,18 +255,8 @@ main (int argc, char *argv[])
   g_test_bug_base ("http://bugzilla.gnome.org/";);
 
   g_test_add_func ("/logging/default-handler", test_default_handler);
-  g_test_add_func ("/logging/default-handler:error", test_default_handler_error);
-  g_test_add_func ("/logging/default-handler:critical", test_default_handler_critical);
-  g_test_add_func ("/logging/default-handler:warning", test_default_handler_warning);
-  g_test_add_func ("/logging/default-handler:message", test_default_handler_message);
-  g_test_add_func ("/logging/default-handler:info", test_default_handler_info);
-  g_test_add_func ("/logging/default-handler:bar-info", test_default_handler_bar_info);
-  g_test_add_func ("/logging/default-handler:baz-debug", test_default_handler_baz_debug);
-  g_test_add_func ("/logging/default-handler:debug", test_default_handler_debug);
-  g_test_add_func ("/logging/default-handler:0x400", test_default_handler_0x400);
   g_test_add_func ("/logging/warnings", test_warnings);
   g_test_add_func ("/logging/fatal-log-mask", test_fatal_log_mask);
-  g_test_add_func ("/logging/fatal-log-mask:child", test_fatal_log_mask_child);
   g_test_add_func ("/logging/set-handler", test_set_handler);
   g_test_add_func ("/logging/print-handler", test_print_handler);
   g_test_add_func ("/logging/printerr-handler", test_printerr_handler);
diff --git a/glib/tests/mem-overflow.c b/glib/tests/mem-overflow.c
index e923f44..c7ea218 100644
--- a/glib/tests/mem-overflow.c
+++ b/glib/tests/mem-overflow.c
@@ -26,48 +26,13 @@
 #include "glib.h"
 #include <stdlib.h>
 
-static gsize a = G_MAXSIZE / 10 + 10;
-static gsize b = 10;
-typedef char X[10];
-
-#define MEM_OVERFLOW_TEST(name, code) \
-static void                           \
-mem_overflow_ ## name (void)          \
-{                                     \
-  gpointer p;                         \
-  code;                               \
-  g_free (p);                         \
-  exit (0);                           \
-}
-
-MEM_OVERFLOW_TEST (malloc_n_a_a, p = g_malloc_n (a, a))
-MEM_OVERFLOW_TEST (malloc_n_a_b, p = g_malloc_n (a, b))
-MEM_OVERFLOW_TEST (malloc_n_b_a, p = g_malloc_n (b, a))
-MEM_OVERFLOW_TEST (malloc_n_b_b, p = g_malloc_n (b, b))
-
-MEM_OVERFLOW_TEST (malloc0_n_a_a, p = g_malloc0_n (a, a))
-MEM_OVERFLOW_TEST (malloc0_n_a_b, p = g_malloc0_n (a, b))
-MEM_OVERFLOW_TEST (malloc0_n_b_a, p = g_malloc0_n (b, a))
-MEM_OVERFLOW_TEST (malloc0_n_b_b, p = g_malloc0_n (b, b))
-
-MEM_OVERFLOW_TEST (realloc_n_a_a, p = g_malloc (1); p = g_realloc_n (p, a, a))
-MEM_OVERFLOW_TEST (realloc_n_a_b, p = g_malloc (1); p = g_realloc_n (p, a, b))
-MEM_OVERFLOW_TEST (realloc_n_b_a, p = g_malloc (1); p = g_realloc_n (p, b, a))
-MEM_OVERFLOW_TEST (realloc_n_b_b, p = g_malloc (1); p = g_realloc_n (p, b, b))
-
-MEM_OVERFLOW_TEST (new_a, p = g_new (X, a))
-MEM_OVERFLOW_TEST (new_b, p = g_new (X, b))
-
-MEM_OVERFLOW_TEST (new0_a, p = g_new0 (X, a))
-MEM_OVERFLOW_TEST (new0_b, p = g_new0 (X, b))
-
-MEM_OVERFLOW_TEST (renew_a, p = g_malloc (1); p = g_renew (X, p, a))
-MEM_OVERFLOW_TEST (renew_b, p = g_malloc (1); p = g_renew (X, p, b))
-
 static void
 mem_overflow (void)
 {
+  gsize a = G_MAXSIZE / 10 + 10;
+  gsize b = 10;
   gpointer p, q;
+  typedef char X[10];
 
   /* "FAIL" here apparently means "fail to overflow"... */
 #define CHECK_PASS(P)	p = (P); g_assert (p == NULL);
@@ -105,45 +70,60 @@ mem_overflow (void)
   CHECK_FAIL (g_try_renew (X, q, b));
   free (p);
 
-#define CHECK_SUBPROCESS_FAIL(name) do { \
+#undef CHECK_FAIL
+#undef CHECK_PASS
+
+#define CHECK_FAIL(P)	do { \
       if (g_test_undefined ()) \
         { \
-          g_test_trap_subprocess ("/mem/overflow:" #name, 0, G_TEST_TRAP_SILENCE_STDERR); \
+          if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR)) \
+            { \
+              p = (P); \
+              exit (0); \
+            } \
+          \
           g_test_trap_assert_failed(); \
         } \
     } while (0)
 
-#define CHECK_SUBPROCESS_PASS(name) do { \
-      if (g_test_undefined ()) \
+#define CHECK_PASS(P)	do { \
+      if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR)) \
         { \
-          g_test_trap_subprocess ("/mem/overflow:" #name, 0, G_TEST_TRAP_SILENCE_STDERR); \
-          g_test_trap_assert_passed(); \
+          p = (P); \
+          g_free (p); \
+          exit (0); \
         } \
+      \
+      g_test_trap_assert_passed(); \
     } while (0)
 
-  CHECK_SUBPROCESS_FAIL (malloc_n_a_a);
-  CHECK_SUBPROCESS_FAIL (malloc_n_a_b);
-  CHECK_SUBPROCESS_FAIL (malloc_n_b_a);
-  CHECK_SUBPROCESS_PASS (malloc_n_b_b);
+  CHECK_FAIL (g_malloc_n (a, a));
+  CHECK_FAIL (g_malloc_n (a, b));
+  CHECK_FAIL (g_malloc_n (b, a));
+  CHECK_PASS (g_malloc_n (b, b));
 
-  CHECK_SUBPROCESS_FAIL (malloc0_n_a_a);
-  CHECK_SUBPROCESS_FAIL (malloc0_n_a_b);
-  CHECK_SUBPROCESS_FAIL (malloc0_n_b_a);
-  CHECK_SUBPROCESS_PASS (malloc0_n_b_b);
+  CHECK_FAIL (g_malloc0_n (a, a));
+  CHECK_FAIL (g_malloc0_n (a, b));
+  CHECK_FAIL (g_malloc0_n (b, a));
+  CHECK_PASS (g_malloc0_n (b, b));
 
-  CHECK_SUBPROCESS_FAIL (realloc_n_a_a);
-  CHECK_SUBPROCESS_FAIL (realloc_n_a_b);
-  CHECK_SUBPROCESS_FAIL (realloc_n_b_a);
-  CHECK_SUBPROCESS_PASS (realloc_n_b_b);
+  q = g_malloc (1);
+  CHECK_FAIL (g_realloc_n (q, a, a));
+  CHECK_FAIL (g_realloc_n (q, a, b));
+  CHECK_FAIL (g_realloc_n (q, b, a));
+  CHECK_PASS (g_realloc_n (q, b, b));
+  g_free (q);
 
-  CHECK_SUBPROCESS_FAIL (new_a);
-  CHECK_SUBPROCESS_PASS (new_b);
+  CHECK_FAIL (g_new (X, a));
+  CHECK_PASS (g_new (X, b));
 
-  CHECK_SUBPROCESS_FAIL (new0_a);
-  CHECK_SUBPROCESS_PASS (new0_b);
+  CHECK_FAIL (g_new0 (X, a));
+  CHECK_PASS (g_new0 (X, b));
 
-  CHECK_SUBPROCESS_FAIL (renew_a);
-  CHECK_SUBPROCESS_PASS (renew_b);
+  q = g_malloc (1);
+  CHECK_FAIL (g_renew (X, q, a));
+  CHECK_PASS (g_renew (X, q, b));
+  g_free (q);
 }
 
 typedef struct
@@ -151,23 +131,20 @@ typedef struct
 } Empty;
 
 static void
-empty_alloc_child (void)
-{
-  Empty *empty;
-
-  empty = g_new0 (Empty, 1);
-  g_assert (empty == NULL);
-  exit (0);
-}
-
-static void
 empty_alloc (void)
 {
   g_test_bug ("615379");
 
   g_assert_cmpint (sizeof (Empty), ==, 0);
 
-  g_test_trap_subprocess ("/mem/empty-alloc:child", 0, 0);
+  if (g_test_trap_fork (0, 0))
+    {
+      Empty *empty;
+
+      empty = g_new0 (Empty, 1);
+      g_assert (empty == NULL);
+      exit (0);
+    }
   g_test_trap_assert_passed ();
 }
 
@@ -180,27 +157,7 @@ main (int   argc,
   g_test_bug_base ("http://bugzilla.gnome.org/";);
 
   g_test_add_func ("/mem/overflow", mem_overflow);
-  g_test_add_func ("/mem/overflow:malloc_n_a_a", mem_overflow_malloc_n_a_a);
-  g_test_add_func ("/mem/overflow:malloc_n_a_b", mem_overflow_malloc_n_a_b);
-  g_test_add_func ("/mem/overflow:malloc_n_b_a", mem_overflow_malloc_n_b_a);
-  g_test_add_func ("/mem/overflow:malloc_n_b_b", mem_overflow_malloc_n_b_b);
-  g_test_add_func ("/mem/overflow:malloc0_n_a_a", mem_overflow_malloc0_n_a_a);
-  g_test_add_func ("/mem/overflow:malloc0_n_a_b", mem_overflow_malloc0_n_a_b);
-  g_test_add_func ("/mem/overflow:malloc0_n_b_a", mem_overflow_malloc0_n_b_a);
-  g_test_add_func ("/mem/overflow:malloc0_n_b_b", mem_overflow_malloc0_n_b_b);
-  g_test_add_func ("/mem/overflow:realloc_n_a_a", mem_overflow_realloc_n_a_a);
-  g_test_add_func ("/mem/overflow:realloc_n_a_b", mem_overflow_realloc_n_a_b);
-  g_test_add_func ("/mem/overflow:realloc_n_b_a", mem_overflow_realloc_n_b_a);
-  g_test_add_func ("/mem/overflow:realloc_n_b_b", mem_overflow_realloc_n_b_b);
-  g_test_add_func ("/mem/overflow:new_a", mem_overflow_new_a);
-  g_test_add_func ("/mem/overflow:new_b", mem_overflow_new_b);
-  g_test_add_func ("/mem/overflow:new0_a", mem_overflow_new0_a);
-  g_test_add_func ("/mem/overflow:new0_b", mem_overflow_new0_b);
-  g_test_add_func ("/mem/overflow:renew_a", mem_overflow_renew_a);
-  g_test_add_func ("/mem/overflow:renew_b", mem_overflow_renew_b);
-
   g_test_add_func ("/mem/empty-alloc", empty_alloc);
-  g_test_add_func ("/mem/empty-alloc:child", empty_alloc_child);
 
   return g_test_run();
 }
diff --git a/glib/tests/option-context.c b/glib/tests/option-context.c
index e58dbe5..433b7dc 100644
--- a/glib/tests/option-context.c
+++ b/glib/tests/option-context.c
@@ -27,92 +27,25 @@
 #include <string.h>
 #include <locale.h>
 
-static GOptionEntry main_entries[] = {
-  { "main-switch", 0, 0,
-    G_OPTION_ARG_NONE, NULL,
-    "A switch that is in the main group", NULL },
-  { NULL }
-};
-
-static GOptionEntry group_entries[] = {
-  { "test-switch", 0, 0,
-    G_OPTION_ARG_NONE, NULL,
-    "A switch that is in the test group", NULL },
-  { NULL }
-};
-
-static GOptionContext *
-make_options (int test_number)
-{
-  GOptionContext *options;
-  GOptionGroup   *group = NULL;
-  gboolean have_main_entries = (0 != (test_number & 1));
-  gboolean have_test_entries = (0 != (test_number & 2));
-
-  options = g_option_context_new (NULL);
-
-  if (have_main_entries)
-    g_option_context_add_main_entries (options, main_entries, NULL);
-  if (have_test_entries)
-    {
-      group = g_option_group_new ("test", "Test Options",
-                                  "Show all test options",
-                                  NULL, NULL);
-      g_option_context_add_group (options, group);
-      g_option_group_add_entries (group, group_entries);
-    }
-
-  return options;
-}
-
-static void
-print_help (GOptionContext *options, gchar **argv)
-{
-  gint    argc = 3;
-  GError *error = NULL;
-
-  g_setenv ("LANG", "C", TRUE);
-
-  g_option_context_parse (options, &argc, &argv, &error);
-  g_option_context_free (options);
-  exit(0);
-}
-
 static void
-test_group_captions_help (gconstpointer test_number)
-{
-  GOptionContext *options;
-  gchar *argv[] = { __FILE__, "--help", NULL };
-
-  options = make_options (GPOINTER_TO_INT (test_number));
-  print_help (options, argv);
-}
-
-static void
-test_group_captions_help_all (gconstpointer test_number)
+test_group_captions (void)
 {
-  GOptionContext *options;
-  gchar *argv[] = { __FILE__, "--help-all", NULL };
+  gchar *help_variants[] = { "--help", "--help-all", "--help-test" };
 
-  options = make_options (GPOINTER_TO_INT (test_number));
-  print_help (options, argv);
-}
-
-static void
-test_group_captions_help_test (gconstpointer test_number)
-{
-  GOptionContext *options;
-  gchar *argv[] = { __FILE__, "--help-test", NULL };
+  GOptionEntry main_entries[] = {
+    { "main-switch", 0, 0,
+      G_OPTION_ARG_NONE, NULL,
+      "A switch that is in the main group", NULL },
+    { NULL }
+  };
 
-  options = make_options (GPOINTER_TO_INT (test_number));
-  print_help (options, argv);
-}
+  GOptionEntry group_entries[] = {
+    { "test-switch", 0, 0,
+      G_OPTION_ARG_NONE, NULL,
+      "A switch that is in the test group", NULL },
+    { NULL }
+  };
 
-static void
-test_group_captions (void)
-{
-  const gchar *test_name_base[] = { "help", "help-all", "help-test" };
-  gchar *test_name;
   gint i, j;
 
   g_test_bug ("504142");
@@ -122,76 +55,115 @@ test_group_captions (void)
       gboolean have_main_entries = (0 != (i & 1));
       gboolean have_test_entries = (0 != (i & 2));
 
-      for (j = 0; j < G_N_ELEMENTS (test_name_base); ++j)
+      GOptionContext *options;
+      GOptionGroup   *group = NULL;
+
+      options = g_option_context_new (NULL);
+
+      if (have_main_entries)
+        g_option_context_add_main_entries (options, main_entries, NULL);
+      if (have_test_entries)
+        {
+          group = g_option_group_new ("test", "Test Options",
+                                      "Show all test options",
+                                      NULL, NULL);
+          g_option_context_add_group (options, group);
+          g_option_group_add_entries (group, group_entries);
+        }
+
+      for (j = 0; j < G_N_ELEMENTS (help_variants); ++j)
         {
           GTestTrapFlags trap_flags = 0;
-          gboolean expect_main_description = FALSE;
-          gboolean expect_main_switch      = FALSE;
-          gboolean expect_test_description = FALSE;
-          gboolean expect_test_switch      = FALSE;
-          gboolean expect_test_group       = FALSE;
+          gchar *args[3];
+
+          args[0] = __FILE__;
+          args[1] = help_variants[j];
+          args[2] = NULL;
 
           if (!g_test_verbose ())
             trap_flags |= G_TEST_TRAP_SILENCE_STDOUT | G_TEST_TRAP_SILENCE_STDERR;
 
-          test_name = g_strdup_printf ("/option/group/captions:%s-%d",
-                                       test_name_base[j], i);
-          g_test_trap_subprocess (test_name, 0, trap_flags);
-          g_free (test_name);
-          g_test_trap_assert_passed ();
-          g_test_trap_assert_stderr ("");
+          g_test_message ("test setup: args='%s', main-entries=%d, test-entries=%d",
+                          args[1], have_main_entries, have_test_entries);
 
-          switch (j)
+          if (g_test_trap_fork (0, trap_flags))
             {
-            case 0:
-              g_assert_cmpstr ("help", ==, test_name_base[j]);
-              expect_main_switch = have_main_entries;
-              expect_test_group  = have_test_entries;
-              break;
-
-            case 1:
-              g_assert_cmpstr ("help-all", ==, test_name_base[j]);
-              expect_main_switch = have_main_entries;
-              expect_test_switch = have_test_entries;
-              expect_test_group  = have_test_entries;
-              break;
-
-            case 2:
-              g_assert_cmpstr ("help-test", ==, test_name_base[j]);
-              expect_test_switch = have_test_entries;
-              break;
-
-            default:
-              g_assert_not_reached ();
-              break;
-            }
+              gchar **argv = args;
+              gint    argc = 2;
+              GError *error = NULL;
 
-          expect_main_description |= expect_main_switch;
-          expect_test_description |= expect_test_switch;
-
-          if (expect_main_description)
-            g_test_trap_assert_stdout           ("*Application Options*");
-          else
-            g_test_trap_assert_stdout_unmatched ("*Application Options*");
-          if (expect_main_switch)
-            g_test_trap_assert_stdout           ("*--main-switch*");
-          else
-            g_test_trap_assert_stdout_unmatched ("*--main-switch*");
+              g_setenv ("LANG", "C", TRUE);
 
-          if (expect_test_description)
-            g_test_trap_assert_stdout           ("*Test Options*");
-          else
-            g_test_trap_assert_stdout_unmatched ("*Test Options*");
-          if (expect_test_switch)
-            g_test_trap_assert_stdout           ("*--test-switch*");
-          else
-            g_test_trap_assert_stdout_unmatched ("*--test-switch*");
-
-          if (expect_test_group)
-            g_test_trap_assert_stdout           ("*--help-test*");
+              g_option_context_parse (options, &argc, &argv, &error);
+              g_option_context_free (options);
+              exit(0);
+            }
           else
-            g_test_trap_assert_stdout_unmatched ("*--help-test*");
+            {
+              gboolean expect_main_description = FALSE;
+              gboolean expect_main_switch      = FALSE;
+
+              gboolean expect_test_description = FALSE;
+              gboolean expect_test_switch      = FALSE;
+              gboolean expect_test_group       = FALSE;
+
+              g_test_trap_assert_passed ();
+              g_test_trap_assert_stderr ("");
+
+              switch (j)
+                {
+                  case 0:
+                    g_assert_cmpstr ("--help", ==, args[1]);
+                    expect_main_switch = have_main_entries;
+                    expect_test_group  = have_test_entries;
+                    break;
+
+                  case 1:
+                    g_assert_cmpstr ("--help-all", ==, args[1]);
+                    expect_main_switch = have_main_entries;
+                    expect_test_switch = have_test_entries;
+                    expect_test_group  = have_test_entries;
+                    break;
+
+                  case 2:
+                    g_assert_cmpstr ("--help-test", ==, args[1]);
+                    expect_test_switch = have_test_entries;
+                    break;
+
+                  default:
+                    g_assert_not_reached ();
+                    break;
+                }
+
+              expect_main_description |= expect_main_switch;
+              expect_test_description |= expect_test_switch;
+
+              if (expect_main_description)
+                g_test_trap_assert_stdout           ("*Application Options*");
+              else
+                g_test_trap_assert_stdout_unmatched ("*Application Options*");
+              if (expect_main_switch)
+                g_test_trap_assert_stdout           ("*--main-switch*");
+              else
+                g_test_trap_assert_stdout_unmatched ("*--main-switch*");
+
+              if (expect_test_description)
+                g_test_trap_assert_stdout           ("*Test Options*");
+              else
+                g_test_trap_assert_stdout_unmatched ("*Test Options*");
+              if (expect_test_switch)
+                g_test_trap_assert_stdout           ("*--test-switch*");
+              else
+                g_test_trap_assert_stdout_unmatched ("*--test-switch*");
+
+              if (expect_test_group)
+                g_test_trap_assert_stdout           ("*--help-test*");
+              else
+                g_test_trap_assert_stdout_unmatched ("*--help-test*");
+            }
         }
+
+      g_option_context_free (options);
     }
 }
 
@@ -2185,74 +2157,74 @@ test_group_parse (void)
 static void
 flag_reverse_string (void)
 {
-  GOptionContext *context;
-  gchar *arg = NULL;
-  GOptionEntry entries [] =
-    { { "test", 't', G_OPTION_FLAG_REVERSE, G_OPTION_ARG_STRING, &arg, NULL, NULL },
-      { NULL } };
-  gchar **argv;
-  gint argc;
-  gboolean retval;
-  GError *error = NULL;
-
   if (!g_test_undefined ())
     return;
 
-  context = g_option_context_new (NULL);
-
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
-                         "*ignoring reverse flag*");
-  g_option_context_add_main_entries (context, entries, NULL);
-  g_test_assert_expected_messages ();
-
-  argv = split_string ("program --test bla", &argc);
-
-  retval = g_option_context_parse (context, &argc, &argv, &error);
-  g_assert (retval == TRUE);
-  g_assert_no_error (error);
-  g_strfreev (argv);
-  g_option_context_free (context);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      GOptionContext *context;
+      gchar *arg = NULL;
+      GOptionEntry entries [] =
+        { { "test", 't', G_OPTION_FLAG_REVERSE, G_OPTION_ARG_STRING, &arg, NULL, NULL },
+          { NULL } };
+      gchar **argv;
+      gint argc;
+      gboolean retval;
+      GError *error = NULL;
+
+      context = g_option_context_new (NULL);
+      g_option_context_add_main_entries (context, entries, NULL);
+
+      argv = split_string ("program --test bla", &argc);
+
+      retval = g_option_context_parse (context, &argc, &argv, &error);
+      g_assert (retval == FALSE);
+      g_clear_error (&error);
+      g_strfreev (argv);
+      g_option_context_free (context);
+      exit (0);
+    }
+  g_test_trap_assert_failed ();
+  g_test_trap_assert_stderr ("*ignoring reverse flag*");
 }
 
 static void
 flag_optional_int (void)
 {
-  GOptionContext *context;
-  gint arg = 0;
-  GOptionEntry entries [] =
-    { { "test", 't', G_OPTION_FLAG_OPTIONAL_ARG, G_OPTION_ARG_INT, &arg, NULL, NULL },
-      { NULL } };
-  gchar **argv;
-  gint argc;
-  gboolean retval;
-  GError *error = NULL;
-
   if (!g_test_undefined ())
     return;
 
-  context = g_option_context_new (NULL);
-
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
-                         "*ignoring no-arg, optional-arg or filename flags*");
-  g_option_context_add_main_entries (context, entries, NULL);
-  g_test_assert_expected_messages ();
-
-  argv = split_string ("program --test 5", &argc);
-
-  retval = g_option_context_parse (context, &argc, &argv, &error);
-  g_assert (retval == TRUE);
-  g_assert_no_error (error);
-  g_strfreev (argv);
-  g_option_context_free (context);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      GOptionContext *context;
+      gint arg = 0;
+      GOptionEntry entries [] =
+        { { "test", 't', G_OPTION_FLAG_OPTIONAL_ARG, G_OPTION_ARG_INT, &arg, NULL, NULL },
+          { NULL } };
+      gchar **argv;
+      gint argc;
+      gboolean retval;
+      GError *error = NULL;
+
+      context = g_option_context_new (NULL);
+      g_option_context_add_main_entries (context, entries, NULL);
+
+      argv = split_string ("program --test 5", &argc);
+
+      retval = g_option_context_parse (context, &argc, &argv, &error);
+      g_assert (retval == FALSE);
+      g_clear_error (&error);
+      g_strfreev (argv);
+      g_option_context_free (context);
+      exit (0);
+    }
+  g_test_trap_assert_failed ();
+  g_test_trap_assert_stderr ("*ignoring no-arg, optional-arg or filename flags*");
 }
-
 int
 main (int   argc,
       char *argv[])
 {
-  int i;
-  gchar *test_name;
-
   g_test_init (&argc, &argv, NULL);
 
   g_test_bug_base ("http://bugzilla.gnome.org/";);
@@ -2260,25 +2232,7 @@ main (int   argc,
   g_test_add_func ("/option/help/no-options", test_help_no_options);
 
   g_test_add_func ("/option/basic", test_basic);
-
   g_test_add_func ("/option/group/captions", test_group_captions);
-  for (i = 0; i < 4; i++)
-    {
-      test_name = g_strdup_printf ("/option/group/captions:help-%d", i);
-      g_test_add_data_func (test_name, GINT_TO_POINTER (i),
-                            test_group_captions_help);
-      g_free (test_name);
-      test_name = g_strdup_printf ("/option/group/captions:help-all-%d", i);
-      g_test_add_data_func (test_name, GINT_TO_POINTER (i),
-                            test_group_captions_help_all);
-      g_free (test_name);
-      test_name = g_strdup_printf ("/option/group/captions:help-test-%d", i);
-      g_test_add_data_func (test_name, GINT_TO_POINTER (i),
-                            test_group_captions_help_test);
-                            
-      g_free (test_name);
-    }
-
   g_test_add_func ("/option/group/main", test_main_group);
   g_test_add_func ("/option/group/error-hook", test_error_hook);
   g_test_add_func ("/option/group/parse", test_group_parse);
diff --git a/glib/tests/scannerapi.c b/glib/tests/scannerapi.c
index 81023e7..85cd92c 100644
--- a/glib/tests/scannerapi.c
+++ b/glib/tests/scannerapi.c
@@ -59,21 +59,17 @@ test_scanner_warn (ScannerFixture *fix,
 }
 
 static void
-test_scanner_error_child (ScannerFixture *fix,
-                          gconstpointer   test_data)
-{
-  int pe = fix->scanner->parse_errors;
-  g_scanner_error (fix->scanner, "scanner-error-message-test");
-  g_assert_cmpint (fix->scanner->parse_errors, ==, pe + 1);
-  exit (0);
-}
-
-static void
 test_scanner_error (ScannerFixture *fix,
                     gconstpointer   test_data)
 {
-  g_test_trap_subprocess ("/scanner/error:child", 0, G_TEST_TRAP_SILENCE_STDOUT | G_TEST_TRAP_SILENCE_STDERR);
-  g_test_trap_assert_passed ();
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT | G_TEST_TRAP_SILENCE_STDERR))
+    {
+      int pe = fix->scanner->parse_errors;
+      g_scanner_error (fix->scanner, "scanner-error-message-test");
+      g_assert_cmpint (fix->scanner->parse_errors, ==, pe + 1);
+      exit (0);
+    }
+  g_test_trap_assert_passed();
   g_test_trap_assert_stderr ("*scanner-error-message-test*");
 }
 
@@ -139,7 +135,6 @@ main (int   argc,
 
   g_test_add ("/scanner/warn", ScannerFixture, 0, scanner_fixture_setup, test_scanner_warn, scanner_fixture_teardown);
   g_test_add ("/scanner/error", ScannerFixture, 0, scanner_fixture_setup, test_scanner_error, scanner_fixture_teardown);
-  g_test_add ("/scanner/error:child", ScannerFixture, 0, scanner_fixture_setup, test_scanner_error_child, scanner_fixture_teardown);
   g_test_add ("/scanner/symbols", ScannerFixture, 0, scanner_fixture_setup, test_scanner_symbols, scanner_fixture_teardown);
   g_test_add ("/scanner/tokens", ScannerFixture, 0, scanner_fixture_setup, test_scanner_tokens, scanner_fixture_teardown);
 
diff --git a/glib/tests/slice.c b/glib/tests/slice.c
index b6e2b04..50bbed1 100644
--- a/glib/tests/slice.c
+++ b/glib/tests/slice.c
@@ -1,19 +1,17 @@
 #include <glib.h>
 
 /* We test deprecated functionality here */
-G_GNUC_BEGIN_IGNORE_DEPRECATIONS
-
-static void
-test_slice_config_child (void)
-{
-  g_slice_set_config (G_SLICE_CONFIG_ALWAYS_MALLOC, TRUE);
-}
+#pragma GCC diagnostic ignored "-Wdeprecated-declarations"
 
 static void
 test_slice_config (void)
 {
-  g_test_trap_subprocess ("/slice/config:child",
-                          1000000, G_TEST_TRAP_SILENCE_STDERR);
+  if (!g_test_undefined ())
+    return;
+
+  if (g_test_trap_fork (1000000, G_TEST_TRAP_SILENCE_STDERR))
+    g_slice_set_config (G_SLICE_CONFIG_ALWAYS_MALLOC, TRUE);
+
   g_test_trap_assert_failed ();
 }
 
@@ -31,7 +29,6 @@ main (int argc, char **argv)
   g_test_init (&argc, &argv, NULL);
 
   g_test_add_func ("/slice/config", test_slice_config);
-  g_test_add_func ("/slice/config:child", test_slice_config_child);
 
   return g_test_run ();
 }
diff --git a/glib/tests/test-printf.c b/glib/tests/test-printf.c
index 9dffac2..10d0a1d 100644
--- a/glib/tests/test-printf.c
+++ b/glib/tests/test-printf.c
@@ -609,27 +609,36 @@ test_positional_params (void)
 }
 
 static void
-test_positional_params2_child (void)
+test_positional_params2 (void)
 {
   gint res;
 
-  res = g_printf ("%2$c %1$c\n", 'b', 'a');
-  g_assert_cmpint (res, ==, 4);
-
-  res = g_printf ("%1$*2$.*3$s\n", "abc", 5, 2);
-  g_assert_cmpint (res, ==, 6);
-
-  res = g_printf ("%1$s%1$s\n", "abc");
-  g_assert_cmpint (res, ==, 7);
-}
-
-static void
-test_positional_params2 (void)
-{
-  g_test_trap_subprocess ("/printf/test-positional-params:child",
-                          0, G_TEST_TRAP_SILENCE_STDOUT);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%2$c %1$c", 'b', 'a');
+      g_assert_cmpint (res, ==, 3);
+      exit (0);
+    }
   g_test_trap_assert_passed ();
-  g_test_trap_assert_stdout ("a b\n   ab\nabcabc\n");
+  g_test_trap_assert_stdout ("*a b*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%1$*2$.*3$s", "abc", 5, 2);
+      g_assert_cmpint (res, ==, 5);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*   ab*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%1$s%1$s", "abc");
+      g_assert_cmpint (res, ==, 6);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*abcabc*");
 }
 
 static void
@@ -652,19 +661,16 @@ test_positional_params3 (void)
 }
 
 static void
-test_percent2_child (void)
+test_percent2 (void)
 {
   gint res;
 
-  res = g_printf ("%%");
-  g_assert_cmpint (res, ==, 1);
-}
-
-static void
-test_percent2 (void)
-{
-  g_test_trap_subprocess ("/printf/test-percent:child",
-                          0, G_TEST_TRAP_SILENCE_STDOUT);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%%");
+      g_assert_cmpint (res, ==, 1);
+      exit (0);
+    }
   g_test_trap_assert_passed ();
   g_test_trap_assert_stdout ("*%*");
 }
@@ -764,41 +770,83 @@ _Pragma ("GCC diagnostic pop")
 }
 
 static void
-test_64bit2_child (void)
+test_64bit2 (void)
 {
   gint res;
 
-  res = g_printf ("%" G_GINT64_FORMAT "\n", (gint64)123456);
-  g_assert_cmpint (res, ==, 7);
-
-  res = g_printf ("%" G_GINT64_FORMAT "\n", (gint64)-123456);
-  g_assert_cmpint (res, ==, 8);
-
-  res = g_printf ("%" G_GUINT64_FORMAT "\n", (guint64)123456);
-  g_assert_cmpint (res, ==, 7);
-
-  res = g_printf ("%" G_GINT64_MODIFIER "o\n", (gint64)123456);
-  g_assert_cmpint (res, ==, 7);
-
-  res = g_printf ("%#" G_GINT64_MODIFIER "o\n", (gint64)123456);
-  g_assert_cmpint (res, ==, 8);
-
-  res = g_printf ("%" G_GINT64_MODIFIER "x\n", (gint64)123456);
-  g_assert_cmpint (res, ==, 6);
-
-  res = g_printf ("%#" G_GINT64_MODIFIER "x\n", (gint64)123456);
-  g_assert_cmpint (res, ==, 8);
-
-  res = g_printf ("%" G_GINT64_MODIFIER "X\n", (gint64)123456);
-  g_assert_cmpint (res, ==, 6);
-}
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%" G_GINT64_FORMAT, (gint64)123456);
+      g_assert_cmpint (res, ==, 6);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*123456*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%" G_GINT64_FORMAT, (gint64)-123456);
+      g_assert_cmpint (res, ==, 7);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*-123456*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%" G_GUINT64_FORMAT, (guint64)123456);
+      g_assert_cmpint (res, ==, 6);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*123456*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%" G_GINT64_MODIFIER "o", (gint64)123456);
+      g_assert_cmpint (res, ==, 6);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*361100*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%#" G_GINT64_MODIFIER "o", (gint64)123456);
+      g_assert_cmpint (res, ==, 7);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*0361100*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%" G_GINT64_MODIFIER "x", (gint64)123456);
+      g_assert_cmpint (res, ==, 5);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*1e240*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%#" G_GINT64_MODIFIER "x", (gint64)123456);
+      g_assert_cmpint (res, ==, 7);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*0x1e240*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%" G_GINT64_MODIFIER "X", (gint64)123456);
+      g_assert_cmpint (res, ==, 5);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*1E240*");
 
 #ifdef G_OS_WIN32
-static void
-test_64bit2_child_win32 (void)
-{
-  gint res;
-
   /* On Win32, test that the "ll" modifier also works, for backward
    * compatibility. One really should use the G_GINT64_MODIFIER (which
    * on Win32 is the "I64" that the (msvcrt) C library's printf uses),
@@ -815,53 +863,82 @@ _Pragma ("GCC diagnostic ignored \"-Wformat\"")
 _Pragma ("GCC diagnostic ignored \"-Wformat-extra-args\"")
 #endif
 
-  res = g_printf ("%" "lli\n", (gint64)123456);
-  g_assert_cmpint (res, ==, 7);
-
-  res = g_printf ("%" "lli\n", (gint64)-123456);
-  g_assert_cmpint (res, ==, 8);
-
-  res = g_printf ("%" "llu\n", (guint64)123456);
-  g_assert_cmpint (res, ==, 7);
-
-  res = g_printf ("%" "ll" "o\n", (gint64)123456);
-  g_assert_cmpint (res, ==, 7);
-
-  res = g_printf ("%#" "ll" "o\n", (gint64)123456);
-  g_assert_cmpint (res, ==, 8);
-
-  res = g_printf ("%" "ll" "x\n", (gint64)123456);
-  g_assert_cmpint (res, ==, 6);
-
-  res = g_printf ("%#" "ll" "x\n", (gint64)123456);
-  g_assert_cmpint (res, ==, 8);
-
-  res = g_printf ("%" "ll" "X\n", (gint64)123456);
-  g_assert_cmpint (res, ==, 6);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%" "lli", (gint64)123456);
+      g_assert_cmpint (res, ==, 6);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*123456*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%" "lli", (gint64)-123456);
+      g_assert_cmpint (res, ==, 7);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*-123456*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%" "llu", (guint64)123456);
+      g_assert_cmpint (res, ==, 6);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*123456*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%" "ll" "o", (gint64)123456);
+      g_assert_cmpint (res, ==, 6);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*361100*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%#" "ll" "o", (gint64)123456);
+      g_assert_cmpint (res, ==, 7);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*0361100*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%" "ll" "x", (gint64)123456);
+      g_assert_cmpint (res, ==, 5);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*1e240*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%#" "ll" "x", (gint64)123456);
+      g_assert_cmpint (res, ==, 7);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*0x1e240*");
+
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT))
+    {
+      res = g_printf ("%" "ll" "X", (gint64)123456);
+      g_assert_cmpint (res, ==, 5);
+      exit (0);
+    }
+  g_test_trap_assert_passed ();
+  g_test_trap_assert_stdout ("*1E240*");
 
 #if __GNUC__ > 4 || (__GNUC__ == 4 && __GNUC_MINOR__ >= 6)
 _Pragma ("GCC diagnostic pop")
 #endif
-}
-#endif
-
-static void
-test_64bit2 (void)
-{
-  g_test_trap_subprocess ("/printf/test-64bit:child",
-                          0, G_TEST_TRAP_SILENCE_STDOUT);
-  g_test_trap_assert_passed ();
-  g_test_trap_assert_stdout ("123456\n-123456\n123456\n"
-                             "361100\n0361100\n1e240\n"
-                             "0x1e240\n1E240\n");
 
-#ifdef G_OS_WIN32
-  g_test_trap_subprocess ("/printf/test-64bit:child-win32",
-                          0, G_TEST_TRAP_SILENCE_STDOUT);
-  g_test_trap_assert_passed ();
-  g_test_trap_assert_stdout ("123456\n-123456\n123456\n"
-                             "361100\n0361100\n1e240\n"
-                             "0x1e240\n1E240\n");
 #endif
 }
 
@@ -909,14 +986,8 @@ main (int   argc,
   g_test_add_func ("/snprintf/test-64bit", test_64bit);
 
   g_test_add_func ("/printf/test-percent", test_percent2);
-  g_test_add_func ("/printf/test-percent:child", test_percent2_child);
   g_test_add_func ("/printf/test-positional-params", test_positional_params2);
-  g_test_add_func ("/printf/test-positional-params:child", test_positional_params2_child);
   g_test_add_func ("/printf/test-64bit", test_64bit2);
-  g_test_add_func ("/printf/test-64bit:child", test_64bit2_child);
-#ifdef G_OS_WIN32
-  g_test_add_func ("/printf/test-64bit:child-win32", test_64bit2_child_win32);
-#endif
 
   g_test_add_func ("/sprintf/test-positional-params", test_positional_params3);
   g_test_add_func ("/sprintf/upper-bound", test_upper_bound);
diff --git a/glib/tests/testing.c b/glib/tests/testing.c
index b9695d1..cf1d9a7 100644
--- a/glib/tests/testing.c
+++ b/glib/tests/testing.c
@@ -26,20 +26,6 @@
 
 /* test assertion variants */
 static void
-test_assertions_bad_cmpstr (void)
-{
-  g_assert_cmpstr ("fzz", !=, "fzz");
-  exit (0);
-}
-
-static void
-test_assertions_bad_cmpint (void)
-{
-  g_assert_cmpint (4, !=, 4);
-  exit (0);
-}
-
-static void
 test_assertions (void)
 {
   gchar *fuu;
@@ -60,13 +46,17 @@ test_assertions (void)
   g_assert_cmpstr ("fzz", >, "faa");
   g_assert_cmpstr ("fzz", ==, "fzz");
 
-  g_test_trap_subprocess ("/misc/assertions:bad_cmpstr",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_assert_cmpstr ("fzz", !=, "fzz");
+    }
   g_test_trap_assert_failed ();
   g_test_trap_assert_stderr ("*assertion failed*");
 
-  g_test_trap_subprocess ("/misc/assertions:bad_cmpint",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_assert_cmpint (4, !=, 4);
+    }
   g_test_trap_assert_failed ();
   g_test_trap_assert_stderr ("*assertion failed*");
 }
@@ -300,152 +290,108 @@ fatal_handler (const gchar    *log_domain,
 }
 
 static void
-test_fatal_log_handler_critical_pass (void)
-{
-  g_test_log_set_fatal_handler (fatal_handler, NULL);
-  g_str_has_prefix (NULL, "file://");
-  g_critical ("Test passing");
-  exit (0);
-}
-
-static void
-test_fatal_log_handler_error_fail (void)
-{
-  g_error ("Test failing");
-  exit (0);
-}
-
-static void
-test_fatal_log_handler_critical_fail (void)
-{
-  g_str_has_prefix (NULL, "file://");
-  g_critical ("Test passing");
-  exit (0);
-}
-
-static void
 test_fatal_log_handler (void)
 {
-  g_test_trap_subprocess ("/misc/fatal-log-handler:critical-pass",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  g_test_log_set_fatal_handler (fatal_handler, NULL);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_str_has_prefix (NULL, "file://");
+      g_critical ("Test passing");
+      exit (0);
+    }
   g_test_trap_assert_passed ();
-  g_test_trap_assert_stderr ("*CRITICAL*g_str_has_prefix*");
-  g_test_trap_assert_stderr ("*CRITICAL*Test passing*");
 
-  g_test_trap_subprocess ("/misc/fatal-log-handler:error-fail",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  g_test_log_set_fatal_handler (NULL, NULL);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    g_error ("Test failing");
   g_test_trap_assert_failed ();
-  g_test_trap_assert_stderr ("*ERROR*Test failing*");
 
-  g_test_trap_subprocess ("/misc/fatal-log-handler:critical-fail",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    g_str_has_prefix (NULL, "file://");
   g_test_trap_assert_failed ();
-  g_test_trap_assert_stderr ("*CRITICAL*g_str_has_prefix*");
-  g_test_trap_assert_stderr_unmatched ("*CRITICAL*Test passing*");
 }
 
 static void
-test_expected_messages_warning (void)
+expected_messages_helper (void)
 {
   g_warning ("This is a %d warning", g_random_int ());
   g_return_if_reached ();
 }
 
 static void
-test_expected_messages_expect_warning (void)
-{
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
-                         "This is a * warning");
-  test_expected_messages_warning ();
-}
-
-static void
-test_expected_messages_wrong_warning (void)
-{
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL,
-                         "*should not be *");
-  test_expected_messages_warning ();
-}
-
-static void
-test_expected_messages_expected (void)
-{
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
-                         "This is a * warning");
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL,
-                         "*should not be reached");
-
-  test_expected_messages_warning ();
-
-  g_test_assert_expected_messages ();
-  exit (0);
-}
-
-static void
-test_expected_messages_extra_warning (void)
-{
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
-                         "This is a * warning");
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL,
-                         "*should not be reached");
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL,
-                         "nope");
-
-  test_expected_messages_warning ();
-
-  /* If we don't assert, it won't notice the missing message */
-  exit (0);
-}
-
-static void
-test_expected_messages_unexpected_extra_warning (void)
-{
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
-                         "This is a * warning");
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL,
-                         "*should not be reached");
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL,
-                         "nope");
-
-  test_expected_messages_warning ();
-
-  g_test_assert_expected_messages ();
-  exit (0);
-}
-
-static void
 test_expected_messages (void)
 {
-  g_test_trap_subprocess ("/misc/expected-messages:warning",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      expected_messages_helper ();
+      exit (0);
+    }
   g_test_trap_assert_failed ();
   g_test_trap_assert_stderr ("*This is a * warning*");
   g_test_trap_assert_stderr_unmatched ("*should not be reached*");
 
-  g_test_trap_subprocess ("/misc/expected-messages:expect-warning",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
+                             "This is a * warning");
+      expected_messages_helper ();
+      exit (0);
+    }
   g_test_trap_assert_failed ();
   g_test_trap_assert_stderr_unmatched ("*This is a * warning*");
   g_test_trap_assert_stderr ("*should not be reached*");
 
-  g_test_trap_subprocess ("/misc/expected-messages:wrong-warning",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL,
+                             "*should not be *");
+      expected_messages_helper ();
+      exit (0);
+    }
   g_test_trap_assert_failed ();
   g_test_trap_assert_stderr_unmatched ("*should not be reached*");
   g_test_trap_assert_stderr ("*Did not see expected message CRITICAL*should not be *WARNING*This is a * warning*");
 
-  g_test_trap_subprocess ("/misc/expected-messages:expected",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
+                             "This is a * warning");
+      g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL,
+                             "*should not be reached");
+      expected_messages_helper ();
+      g_test_assert_expected_messages ();
+      exit (0);
+    }
   g_test_trap_assert_passed ();
   g_test_trap_assert_stderr ("");
 
-  g_test_trap_subprocess ("/misc/expected-messages:extra-warning",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
+                             "This is a * warning");
+      g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL,
+                             "*should not be reached");
+      g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL,
+                             "nope");
+      expected_messages_helper ();
+      /* If we don't assert, it won't notice the missing message */
+      exit (0);
+    }
   g_test_trap_assert_passed ();
   g_test_trap_assert_stderr ("");
 
-  g_test_trap_subprocess ("/misc/expected-messages:unexpected-extra-warning",
-                          0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
+                             "This is a * warning");
+      g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL,
+                             "*should not be reached");
+      g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL,
+                             "nope");
+      expected_messages_helper ();
+      g_test_assert_expected_messages ();
+      exit (0);
+    }
   g_test_trap_assert_failed ();
   g_test_trap_assert_stderr ("*Did not see expected message CRITICAL*nope*");
 }
@@ -460,8 +406,6 @@ main (int   argc,
   g_test_add_func ("/random-generator/rand-2", test_rand2);
   g_test_add_func ("/random-generator/random-conversions", test_random_conversions);
   g_test_add_func ("/misc/assertions", test_assertions);
-  g_test_add_func ("/misc/assertions:bad_cmpstr", test_assertions_bad_cmpstr);
-  g_test_add_func ("/misc/assertions:bad_cmpint", test_assertions_bad_cmpint);
   g_test_add_data_func ("/misc/test-data", (void*) 0xc0c0baba, test_data_test);
   g_test_add ("/misc/primetoul", Fixturetest, (void*) 0xc0cac01a, fixturetest_setup, fixturetest_test, fixturetest_teardown);
   if (g_test_perf())
@@ -487,17 +431,7 @@ main (int   argc,
   g_test_add_func ("/subprocess/patterns:child", test_subprocess_patterns_child);
 
   g_test_add_func ("/misc/fatal-log-handler", test_fatal_log_handler);
-  g_test_add_func ("/misc/fatal-log-handler:critical-pass", test_fatal_log_handler_critical_pass);
-  g_test_add_func ("/misc/fatal-log-handler:error-fail", test_fatal_log_handler_error_fail);
-  g_test_add_func ("/misc/fatal-log-handler:critical-fail", test_fatal_log_handler_critical_fail);
-
   g_test_add_func ("/misc/expected-messages", test_expected_messages);
-  g_test_add_func ("/misc/expected-messages:warning", test_expected_messages_warning);
-  g_test_add_func ("/misc/expected-messages:expect-warning", test_expected_messages_expect_warning);
-  g_test_add_func ("/misc/expected-messages:wrong-warning", test_expected_messages_wrong_warning);
-  g_test_add_func ("/misc/expected-messages:expected", test_expected_messages_expected);
-  g_test_add_func ("/misc/expected-messages:extra-warning", test_expected_messages_extra_warning);
-  g_test_add_func ("/misc/expected-messages:unexpected-extra-warning", test_expected_messages_unexpected_extra_warning);
 
   return g_test_run();
 }
diff --git a/glib/tests/utils.c b/glib/tests/utils.c
index a5b9729..1e4fbbc 100644
--- a/glib/tests/utils.c
+++ b/glib/tests/utils.c
@@ -261,20 +261,6 @@ test_find_program (void)
 }
 
 static void
-test_debug_help (void)
-{
-  GDebugKey keys[] = {
-    { "key1", 1 },
-    { "key2", 2 },
-    { "key3", 4 },
-  };
-  guint res;
-
-  res = g_parse_debug_string ("help", keys, G_N_ELEMENTS (keys));
-  g_assert_cmpint (res, ==, 0);
-}
-
-static void
 test_debug (void)
 {
   GDebugKey keys[] = {
@@ -308,7 +294,12 @@ test_debug (void)
   res = g_parse_debug_string ("all", keys, G_N_ELEMENTS (keys));
   g_assert_cmpint (res, ==, 7);
 
-  g_test_trap_subprocess ("/utils/debug:help", 0, G_TEST_TRAP_SILENCE_STDERR);
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDERR))
+    {
+      res = g_parse_debug_string ("help", keys, G_N_ELEMENTS (keys));
+      g_assert_cmpint (res, ==, 0);
+      exit (0);
+    }
   g_test_trap_assert_passed ();
   g_test_trap_assert_stderr ("*Supported debug values: key1 key2 key3 all help*");
 }
@@ -544,7 +535,6 @@ main (int   argc,
   g_test_add_func ("/utils/swap", test_swap);
   g_test_add_func ("/utils/find-program", test_find_program);
   g_test_add_func ("/utils/debug", test_debug);
-  g_test_add_func ("/utils/debug:help", test_debug_help);
   g_test_add_func ("/utils/codeset", test_codeset);
   g_test_add_func ("/utils/basename", test_basename);
   g_test_add_func ("/utils/gettext", test_gettext);
diff --git a/gobject/tests/param.c b/gobject/tests/param.c
index aaed9a0..0c9edab 100644
--- a/gobject/tests/param.c
+++ b/gobject/tests/param.c
@@ -695,18 +695,9 @@ static void test_implementation_class_init (TestImplementationClass *class)
   g_object_class_install_property (class, 1, pspec);
 }
 
-typedef struct {
-  gint change_this_flag;
-  gint change_this_type;
-  gint use_this_flag;
-  gint use_this_type;
-} TestParamImplementData;
-
 static void
-test_param_implement_child (gconstpointer user_data)
+test_param_implement (void)
 {
-  TestParamImplementData *data = (gpointer) user_data;
-
   /* GObject oddity: GObjectClass must be initialised before we can
    * initialise a GTypeInterface.
    */
@@ -715,22 +706,6 @@ test_param_implement_child (gconstpointer user_data)
   /* Bring up the interface first. */
   g_type_default_interface_ref (test_interface_get_type ());
 
-  /* Copy the flags into the global vars so
-   * test_implementation_class_init() will see them.
-   */
-  change_this_flag = data->change_this_flag;
-  change_this_type = data->change_this_type;
-  use_this_flag = data->use_this_flag;
-  use_this_type = data->use_this_type;
-
-  g_type_class_ref (test_implementation_get_type ());
-}
-
-static void
-test_param_implement (void)
-{
-  gchar *test_path;
-
   for (change_this_flag = 0; change_this_flag < 16; change_this_flag++)
     for (change_this_type = 0; change_this_type < 3; change_this_type++)
       for (use_this_flag = 0; use_this_flag < 16; use_this_flag++)
@@ -746,11 +721,11 @@ test_param_implement (void)
                   continue;
               }
 
-            test_path = g_strdup_printf ("/param/implement:%d-%d-%d-%d",
-                                         change_this_flag, change_this_type,
-                                         use_this_flag, use_this_type);
-            g_test_trap_subprocess (test_path, G_TIME_SPAN_SECOND, G_TEST_TRAP_SILENCE_STDERR);
-            g_free (test_path);
+            if (g_test_trap_fork (G_TIME_SPAN_SECOND, G_TEST_TRAP_SILENCE_STDERR))
+              {
+                g_type_class_ref (test_implementation_get_type ());
+                exit (0);
+              }
 
             /* We want to ensure that any flags mismatch problems are reported first. */
             switch (valid_impl_flags[change_this_flag][use_this_flag])
@@ -814,9 +789,6 @@ test_param_implement (void)
 int
 main (int argc, char *argv[])
 {
-  TestParamImplementData data, *test_data;
-  gchar *test_path;
-
   g_test_init (&argc, &argv, NULL);
 
   g_test_add_func ("/param/value", test_param_value);
@@ -824,21 +796,7 @@ main (int argc, char *argv[])
   g_test_add_func ("/param/qdata", test_param_qdata);
   g_test_add_func ("/param/validate", test_param_validate);
   g_test_add_func ("/param/convert", test_param_convert);
-
   g_test_add_func ("/param/implement", test_param_implement);
-  for (data.change_this_flag = 0; data.change_this_flag < 16; data.change_this_flag++)
-    for (data.change_this_type = 0; data.change_this_type < 3; data.change_this_type++)
-      for (data.use_this_flag = 0; data.use_this_flag < 16; data.use_this_flag++)
-        for (data.use_this_type = 0; data.use_this_type < 4; data.use_this_type++)
-          {
-            test_path = g_strdup_printf ("/param/implement:%d-%d-%d-%d",
-                                         data.change_this_flag, data.change_this_type,
-                                         data.use_this_flag, data.use_this_type);
-            test_data = g_memdup (&data, sizeof (TestParamImplementData));
-            g_test_add_data_func_full (test_path, test_data, test_param_implement_child, g_free);
-            g_free (test_path);
-          }
-
   g_test_add_func ("/value/transform", test_value_transform);
 
   return g_test_run ();
diff --git a/tests/Makefile.am b/tests/Makefile.am
index c4483c9..8a18f2f 100644
--- a/tests/Makefile.am
+++ b/tests/Makefile.am
@@ -5,7 +5,6 @@ SUBDIRS=gobject refcount
 AM_CPPFLAGS = \
 	$(gmodule_INCLUDES)			\
 	-DGLIB_DISABLE_DEPRECATION_WARNINGS	\
-	-DG_LOG_DOMAIN=\"GLib\"			\
 	$(GLIB_DEBUG_FLAGS)
 
 AM_CFLAGS = -g
diff --git a/tests/testglib.c b/tests/testglib.c
index b674fa9..d41d674 100644
--- a/tests/testglib.c
+++ b/tests/testglib.c
@@ -552,30 +552,32 @@ test_g_parse_debug_string (void)
 static void
 log_warning_error_tests (void)
 {
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_MESSAGE,
-                         "*is a g_message test*");
-  g_message ("this is a g_message test.");
-  g_test_assert_expected_messages ();
-
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_MESSAGE,
-                         "*non-printable UTF-8*");
-  g_message ("non-printable UTF-8: \"\xc3\xa4\xda\x85\"");
-  g_test_assert_expected_messages ();
-
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_MESSAGE,
-                         "*unsafe chars*");
-  g_message ("unsafe chars: \"\x10\x11\x12\n\t\x7f\x81\x82\x83\"");
-  g_test_assert_expected_messages ();
-
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_WARNING,
-                         "*harmless warning*");
-  g_warning ("harmless warning with parameters: %d %s %#x", 42, "Boo", 12345);
-  g_test_assert_expected_messages ();
-
-  g_test_expect_message (G_LOG_DOMAIN, G_LOG_LEVEL_CRITICAL,
-                         "*g_print*assertion*failed*");
-  g_print (NULL);
-  g_test_assert_expected_messages ();
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT | G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_message ("this is a g_message test.");
+      g_message ("non-printable UTF-8: \"\xc3\xa4\xda\x85\"");
+      g_message ("unsafe chars: \"\x10\x11\x12\n\t\x7f\x81\x82\x83\"");
+      exit (0);
+    }
+  g_test_trap_assert_passed();
+  g_test_trap_assert_stderr ("*is a g_message test*");
+  g_test_trap_assert_stderr ("*non-printable UTF-8*");
+  g_test_trap_assert_stderr ("*unsafe chars*");
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT | G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_warning ("harmless warning with parameters: %d %s %#x", 42, "Boo", 12345);
+      exit (0);
+    }
+  g_test_trap_assert_failed(); /* we have fatal-warnings enabled */
+  g_test_trap_assert_stderr ("*harmless warning*");
+  if (g_test_trap_fork (0, G_TEST_TRAP_SILENCE_STDOUT | G_TEST_TRAP_SILENCE_STDERR))
+    {
+      g_print (NULL);
+      exit (0);
+    }
+  g_test_trap_assert_failed(); /* we have fatal-warnings enabled */
+  g_test_trap_assert_stderr ("*g_print*assertion*failed*");
+  g_test_trap_assert_stderr ("*NULL*");
 }
 
 static void



[Date Prev][Date Next]   [Thread Prev][Thread Next]   [Thread Index] [Date Index] [Author Index]