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[gobject-introspection] Add test case for signal with a C array and length argument

commit 2af5386d6cc1deba21f03c398c6368a9de6ed4ba
Author: Martin Pitt <martinpitt gnome org>
Date:   Wed Feb 27 12:14:16 2013 +0100

    Add test case for signal with a C array and length argument
    
    By-product of https://bugzilla.gnome.org/show_bug.cgi?id=662241.

 tests/repository/gitypelibtest.c                   |   43 +++++++++++++++++
 .../Regress.TestObj-sig-with-array-len-prop.page   |   44 ++++++++++++++++++
 .../Regress.TestObj-sig-with-array-len-prop.page   |   39 ++++++++++++++++
 .../Regress.TestObj-sig-with-array-len-prop.page   |   49 ++++++++++++++++++++
 tests/scanner/Regress-1.0-expected.gir             |   18 +++++++
 tests/scanner/regress.c                            |   22 +++++++++
 6 files changed, 215 insertions(+), 0 deletions(-)
---
diff --git a/tests/repository/gitypelibtest.c b/tests/repository/gitypelibtest.c
index 54fe523..e078699 100644
--- a/tests/repository/gitypelibtest.c
+++ b/tests/repository/gitypelibtest.c
@@ -232,6 +232,48 @@ test_char_types (GIRepository *repo)
     g_base_info_unref (prop_obj);
 }
 
+static void
+test_signal_array_len (GIRepository *repo)
+{
+    GIObjectInfo *testobj_info;
+    GISignalInfo *sig_info;
+    GIArgInfo arg_info;
+    GITypeInfo type_info;
+    int i;
+
+    g_assert (g_irepository_require (repo, "Regress", NULL, 0, NULL));
+    testobj_info = g_irepository_find_by_name (repo, "Regress", "TestObj");
+    g_assert (testobj_info != NULL);
+
+    /* find sig-with-array-len-prop signal */
+    for (i = g_object_info_get_n_signals (testobj_info) - 1; i >= 0; --i) {
+        sig_info = g_object_info_get_signal (testobj_info, i);
+        g_assert (sig_info != NULL);
+        if (strcmp (g_base_info_get_name (sig_info), "sig-with-array-len-prop") == 0)
+            break;
+        g_base_info_unref (sig_info);
+    }
+    g_assert (i >= 0);
+
+    g_assert_cmpint (g_callable_info_get_n_args (sig_info), ==, 2);
+
+    /* verify array argument */
+    g_callable_info_load_arg (sig_info, 0, &arg_info);
+    g_assert_cmpstr (g_base_info_get_name (&arg_info), ==, "arr");
+    g_arg_info_load_type (&arg_info, &type_info);
+    g_assert_cmpint (g_type_info_get_tag (&type_info), ==, GI_TYPE_TAG_ARRAY);
+    g_assert_cmpint (g_type_info_get_array_type (&type_info), ==, GI_ARRAY_TYPE_C);
+    g_assert (!g_type_info_is_zero_terminated (&type_info));
+    g_assert_cmpint (g_type_info_get_array_length (&type_info), ==, 1);
+
+    /* verify array length argument */
+    g_callable_info_load_arg (sig_info, 1, &arg_info);
+    g_assert_cmpstr (g_base_info_get_name (&arg_info), ==, "len");
+
+    g_base_info_unref (sig_info);
+    g_base_info_unref (testobj_info);
+}
+
 int
 main(int argc, char **argv)
 {
@@ -247,6 +289,7 @@ main(int argc, char **argv)
     test_fundamental_get_ref_function_pointer (repo);
     test_hash_with_cairo_typelib (repo);
     test_char_types (repo);
+    test_signal_array_len (repo);
 
     exit(0);
 }
diff --git a/tests/scanner/Regress-1.0-C-expected/Regress.TestObj-sig-with-array-len-prop.page 
b/tests/scanner/Regress-1.0-C-expected/Regress.TestObj-sig-with-array-len-prop.page
new file mode 100644
index 0000000..9ec983b
--- /dev/null
+++ b/tests/scanner/Regress-1.0-C-expected/Regress.TestObj-sig-with-array-len-prop.page
@@ -0,0 +1,44 @@
+<?xml version="1.0"?>
+<page id="Regress.TestObj-sig-with-array-len-prop"
+      type="topic"
+      style="signal"
+      xmlns="http://projectmallard.org/1.0/";
+      xmlns:api="http://projectmallard.org/experimental/api/";
+      xmlns:ui="http://projectmallard.org/1.0/ui/";>
+  <info>
+    
+    <link xref="Regress.TestObj" group="signal" type="guide"/>
+    <title type="link" role="topic">sig-with-array-len-prop</title>
+
+  </info>
+  <title>Regress.TestObj::sig-with-array-len-prop</title>
+  
+<synopsis><code mime="text/x-csrc">
+void sig-with-array-len-prop (guint* arr,
+                              gint len);
+</code></synopsis>
+
+  
+    <p>This test signal similar to GSettings::change-event</p>
+  
+  
+  
+  
+<terms>
+<item>
+<title><code>arr</code></title>
+<p>numbers, or <code>NULL</code></p>
+</item>
+<item>
+<title><code>len</code></title>
+<p>length of <code>arr</code>, or 0</p>
+</item>
+<item>
+<title><code>Returns</code></title>
+
+</item>
+</terms>
+
+  
+  
+</page>
diff --git a/tests/scanner/Regress-1.0-Gjs-expected/Regress.TestObj-sig-with-array-len-prop.page 
b/tests/scanner/Regress-1.0-Gjs-expected/Regress.TestObj-sig-with-array-len-prop.page
new file mode 100644
index 0000000..c359b13
--- /dev/null
+++ b/tests/scanner/Regress-1.0-Gjs-expected/Regress.TestObj-sig-with-array-len-prop.page
@@ -0,0 +1,39 @@
+<?xml version="1.0"?>
+<page id="Regress.TestObj-sig-with-array-len-prop"
+      type="topic"
+      style="signal"
+      xmlns="http://projectmallard.org/1.0/";
+      xmlns:api="http://projectmallard.org/experimental/api/";
+      xmlns:ui="http://projectmallard.org/1.0/ui/";>
+  <info>
+    
+    <link xref="Regress.TestObj" group="signal" type="guide"/>
+    <title type="link" role="topic">sig-with-array-len-prop</title>
+
+  </info>
+  <title>Regress.TestObj::sig-with-array-len-prop</title>
+  
+<synopsis><code mime="text/x-python">
+function callback(test_obj, arr:[Number], ):void;
+</code></synopsis>
+
+  
+    <p>This test signal similar to GSettings::change-event</p>
+  
+  
+  
+  
+<terms>
+<item>
+<title><code>test_obj</code></title>
+<p>instance of <link xref="Regress.TestObj"/> that is emitting the signal</p>
+</item>
+<item>
+<title><code>arr</code></title>
+<p>numbers, or <code>null</code></p>
+</item>
+</terms>
+
+  
+  
+</page>
diff --git a/tests/scanner/Regress-1.0-Python-expected/Regress.TestObj-sig-with-array-len-prop.page 
b/tests/scanner/Regress-1.0-Python-expected/Regress.TestObj-sig-with-array-len-prop.page
new file mode 100644
index 0000000..a228de1
--- /dev/null
+++ b/tests/scanner/Regress-1.0-Python-expected/Regress.TestObj-sig-with-array-len-prop.page
@@ -0,0 +1,49 @@
+<?xml version="1.0"?>
+<page id="Regress.TestObj-sig-with-array-len-prop"
+      type="topic"
+      style="signal"
+      xmlns="http://projectmallard.org/1.0/";
+      xmlns:api="http://projectmallard.org/experimental/api/";
+      xmlns:ui="http://projectmallard.org/1.0/ui/";>
+  <info>
+    
+    <link xref="Regress.TestObj" group="signal" type="guide"/>
+    <title type="link" role="topic">sig-with-array-len-prop</title>
+
+  </info>
+  <title>Regress.TestObj::sig-with-array-len-prop</title>
+  
+<synopsis><code mime="text/x-python">
+def callback(test_obj, arr, len, user_param1, ...)
+</code></synopsis>
+
+  
+    <p>This test signal similar to GSettings::change-event</p>
+  
+  
+  
+  
+<terms>
+<item>
+<title><code>test_obj</code></title>
+<p>instance of <link xref="Regress.TestObj"/> that is emitting the signal</p>
+</item>
+<item>
+<title><code>arr</code></title>
+<p>numbers, or <code>None</code></p>
+</item>
+<item>
+<title><code>len</code></title>
+<p>length of <code>arr</code>, or 0</p>
+</item>
+<title><code>user_param1</code></title>
+<p>first user parameter (if any) specified with the connect() method</p>
+<item>
+<title><code>...</code></title>
+<p>additional user parameters (if any)</p>
+</item>
+</terms>
+
+  
+  
+</page>
diff --git a/tests/scanner/Regress-1.0-expected.gir b/tests/scanner/Regress-1.0-expected.gir
index 35c7c69..53773ca 100644
--- a/tests/scanner/Regress-1.0-expected.gir
+++ b/tests/scanner/Regress-1.0-expected.gir
@@ -3331,6 +3331,24 @@ raise an error.</doc>
           <type name="none" c:type="void"/>
         </return-value>
       </glib:signal>
+      <glib:signal name="sig-with-array-len-prop" when="last">
+        <doc xml:whitespace="preserve">This test signal similar to GSettings::change-event</doc>
+        <return-value transfer-ownership="none">
+          <type name="none" c:type="void"/>
+        </return-value>
+        <parameters>
+          <parameter name="arr" transfer-ownership="none" allow-none="1">
+            <doc xml:whitespace="preserve">numbers, or %NULL</doc>
+            <array length="1" zero-terminated="0" c:type="gpointer">
+              <type name="guint"/>
+            </array>
+          </parameter>
+          <parameter name="len" transfer-ownership="none">
+            <doc xml:whitespace="preserve">length of @arr, or 0</doc>
+            <type name="gint" c:type="gint"/>
+          </parameter>
+        </parameters>
+      </glib:signal>
       <glib:signal name="sig-with-array-prop" when="last">
         <doc xml:whitespace="preserve">This test signal is like TelepathyGlib's
  TpChannel:: group-members-changed-detailed:</doc>
diff --git a/tests/scanner/regress.c b/tests/scanner/regress.c
index b5fc858..f54c2f9 100644
--- a/tests/scanner/regress.c
+++ b/tests/scanner/regress.c
@@ -2173,6 +2173,7 @@ regress_test_obj_default_matrix (RegressTestObj *obj, const char *somestr)
 
 enum {
   REGRESS_TEST_OBJ_SIGNAL_SIG_NEW_WITH_ARRAY_PROP,
+  REGRESS_TEST_OBJ_SIGNAL_SIG_NEW_WITH_ARRAY_LEN_PROP,
   REGRESS_TEST_OBJ_SIGNAL_SIG_WITH_HASH_PROP,
   REGRESS_TEST_OBJ_SIGNAL_SIG_WITH_STRV,
   REGRESS_TEST_OBJ_SIGNAL_SIG_WITH_OBJ,
@@ -2241,6 +2242,27 @@ regress_test_obj_class_init (RegressTestObjClass *klass)
                  G_TYPE_ARRAY);
 
   /**
+   * RegressTestObj::sig-with-array-len-prop:
+   * @self: an object
+   * @arr: (array length=len) (element-type uint) (allow-none): numbers, or %NULL
+   * @len: length of @arr, or 0
+   *
+   * This test signal similar to GSettings::change-event
+   */
+  regress_test_obj_signals[REGRESS_TEST_OBJ_SIGNAL_SIG_NEW_WITH_ARRAY_LEN_PROP] =
+    g_signal_new ("sig-with-array-len-prop",
+                 G_TYPE_FROM_CLASS (gobject_class),
+                 G_SIGNAL_RUN_LAST,
+                 0,
+                 NULL,
+                 NULL,
+                 NULL,
+                 G_TYPE_NONE,
+                 2,
+                 G_TYPE_POINTER,
+                 G_TYPE_INT);
+
+  /**
    * RegressTestObj::sig-with-hash-prop:
    * @self: an object
    * @hash: (element-type utf8 GObject.Value):
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