[glib] Test some more GSubProcess api

[Matthias Clasen <matthiasc src gnome org>]

commit 4a687ed7237143be0e6c38c970aef0603793fc71
Author: Matthias Clasen <mclasen redhat com>
Date:   Thu Nov 28 01:12:26 2013 -0500

    Test some more GSubProcess api
    
    This covers g_subprocess_set_environ, g_subprocess_setenv,
    g_subprocess_getenv, and g_subprocess_set_flags.

 gio/tests/gsubprocess-testprog.c |   18 ++++++++++++++++
 gio/tests/gsubprocess.c          |   42 ++++++++++++++++++++++++++++++++++++++
 2 files changed, 60 insertions(+), 0 deletions(-)
---
diff --git a/gio/tests/gsubprocess-testprog.c b/gio/tests/gsubprocess-testprog.c
index df865f6..45c7d93 100644
--- a/gio/tests/gsubprocess-testprog.c
+++ b/gio/tests/gsubprocess-testprog.c
@@ -147,6 +147,22 @@ write_to_fds (int argc, char **argv)
   return 0;
 }
 
+static int
+env_mode (int argc, char **argv)
+{
+  char **env;
+  int i;
+
+  env = g_get_environ ();
+
+  for (i = 0; env[i]; i++)
+    g_print ("%s\n", env[i]);
+
+  g_strfreev (env);
+
+  return 0;
+}
+
 int
 main (int argc, char **argv)
 {
@@ -190,6 +206,8 @@ main (int argc, char **argv)
     return sleep_forever_mode (argc, argv);
   else if (strcmp (mode, "write-to-fds") == 0)
     return write_to_fds (argc, argv);
+  else if (strcmp (mode, "env") == 0)
+    return env_mode (argc, argv);
   else
     {
       g_printerr ("Unknown MODE %s\n", argv[1]);
diff --git a/gio/tests/gsubprocess.c b/gio/tests/gsubprocess.c
index 4e70c4d..3dcabc6 100644
--- a/gio/tests/gsubprocess.c
+++ b/gio/tests/gsubprocess.c
@@ -756,6 +756,47 @@ test_terminate (void)
   g_object_unref (proc);
 }
 
+static void
+test_env (void)
+{
+  GError *local_error = NULL;
+  GError **error = &local_error;
+  GSubprocessLauncher *launcher;
+  GSubprocess *proc;
+  GPtrArray *args;
+  GInputStream *stdout;
+  gchar *result;
+  gchar *envp[] = { "ONE=1", "TWO=1", "THREE=3", "FOUR=1", NULL };
+  gchar **split;
+
+  args = get_test_subprocess_args ("env", NULL);
+  launcher = g_subprocess_launcher_new (G_SUBPROCESS_FLAGS_NONE);
+  g_subprocess_launcher_set_flags (launcher, G_SUBPROCESS_FLAGS_STDOUT_PIPE);
+  g_subprocess_launcher_set_environ (launcher, envp);
+  g_subprocess_launcher_setenv (launcher, "TWO", "2", TRUE);
+  g_subprocess_launcher_setenv (launcher, "THREE", "1", FALSE);
+  g_subprocess_launcher_unsetenv (launcher, "FOUR");
+
+  g_assert_null (g_subprocess_launcher_getenv (launcher, "FOUR"));
+   
+  proc = g_subprocess_launcher_spawnv (launcher, (const gchar * const *) args->pdata, error);
+  g_ptr_array_free (args, TRUE);
+  g_assert_no_error (local_error);
+
+  stdout = g_subprocess_get_stdout_pipe (proc);
+
+  result = splice_to_string (stdout, error);
+  split = g_strsplit (result, "\n", -1);
+  g_assert_cmpstr (g_environ_getenv (split, "ONE"), ==, "1");
+  g_assert_cmpstr (g_environ_getenv (split, "TWO"), ==, "2");
+  g_assert_cmpstr (g_environ_getenv (split, "THREE"), ==, "3");
+  g_assert_null (g_environ_getenv (split, "FOUR"));
+
+  g_strfreev (split);
+  g_free (result);
+  g_object_unref (proc);
+}
+
 #ifdef G_OS_UNIX
 static void
 test_stdout_file (void)
@@ -1002,6 +1043,7 @@ main (int argc, char **argv)
   g_test_add_func ("/gsubprocess/communicate-utf8", test_communicate_utf8);
   g_test_add_func ("/gsubprocess/communicate-utf8-invalid", test_communicate_utf8_invalid);
   g_test_add_func ("/gsubprocess/terminate", test_terminate);
+  g_test_add_func ("/gsubprocess/env", test_env);
 #ifdef G_OS_UNIX
   g_test_add_func ("/gsubprocess/stdout-file", test_stdout_file);
   g_test_add_func ("/gsubprocess/stdout-fd", test_stdout_fd);