Add a testcase for summary/description

https://bugzilla.gnome.org/show_bug.cgi?id=668232

gio/tests/gsettings.c

@@ -2057,6 +2057,7 @@ test_list_schemas (void)
                             "org.gtk.test.range",
                             "org.gtk.test.range.direct",
                             "org.gtk.test.mapped",
+                            "org.gtk.test.descriptions",
                             NULL));
 }
 
@@ -2331,6 +2332,42 @@ test_memory_backend (void)
   g_object_unref (backend);
 }
 
+static void
+test_read_descriptions (void)
+{
+  GSettingsSchema *schema;
+  GSettingsSchemaKey *key;
+  GSettings *settings;
+  const gchar *str;
+
+  settings = g_settings_new ("org.gtk.test");
+  g_object_get (settings, "settings-schema", &schema, NULL);
+  key = g_settings_schema_get_key (schema, "greeting");
+
+  g_assert_cmpstr (g_settings_schema_key_get_summary (key), ==, "A greeting");
+  g_assert_cmpstr (g_settings_schema_key_get_description (key), ==, "Greeting of the invading martians");
+
+  g_settings_schema_key_unref (key);
+  g_settings_schema_unref (schema);
+
+  g_object_unref (settings);
+
+  settings = g_settings_new ("org.gtk.test.descriptions");
+  g_object_get (settings, "settings-schema", &schema, NULL);
+  key = g_settings_schema_get_key (schema, "a");
+
+  g_assert_cmpstr (g_settings_schema_key_get_summary (key), ==,
+                   "a paragraph.\n\n"
+                   "with some whitespace.\n\n"
+                   "because not everyone has a great editor.\n\n"
+                   "lots of space is as one.");
+
+  g_settings_schema_key_unref (key);
+  g_settings_schema_unref (schema);
+
+  g_object_unref (settings);
+}
+
 int
 main (int argc, char *argv[])
 {
@@ -2444,6 +2481,7 @@ main (int argc, char *argv[])
   g_test_add_func ("/gsettings/actions", test_actions);
   g_test_add_func ("/gsettings/null-backend", test_null_backend);
   g_test_add_func ("/gsettings/memory-backend", test_memory_backend);
+  g_test_add_func ("/gsettings/read-descriptions", test_read_descriptions);
 
   result = g_test_run ();
 

gio/tests/org.gtk.test.gschema.xml

@@ -167,4 +167,22 @@
       <default>0</default>
     </key>
   </schema>
+
+  <schema id="org.gtk.test.descriptions" path="/a/">
+    <key name='a' type='i'>
+      <summary>
+        a paragraph.
+
+        with some whitespace.
+         
+        because not everyone has a great editor.
+
+       	  
+
+
+        lots of space is            as one.    
+      </summary>
+      <default>0</default>
+    </key>
+  </schema>
 </schemalist>