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integrate tests/.
2008-02-05 18:41:22 Tim Janik <timj@imendio.com>
* Makefile.am: integrate tests/.
* tests/: new directory for libgobject tests.
* tests/Makefile.am: build and run threadtests.
* tests/threadtests.c: test multi-threaded initializers for
object classes and interfaces.
svn path=/trunk/; revision=6452
This commit is contained in:
18:41:22 Tim Janik
Tim Janik
parent
c6af0efb11
commit
fcee4e1931
@ -1,3 +1,14 @@
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2008-02-05 18:41:22 Tim Janik <timj@imendio.com>
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* Makefile.am: integrate tests/.
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* tests/: new directory for libgobject tests.
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* tests/Makefile.am: build and run threadtests.
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* tests/threadtests.c: test multi-threaded initializers for
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object classes and interfaces.
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2008-01-28 Matthias Clasen <mclasen@redhat.com>
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* === Released 2.15.4 ===
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@ -4,6 +4,8 @@
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## Process this file with automake to produce Makefile.in
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include $(top_srcdir)/Makefile.decl
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SUBDIRS = . tests
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AM_CPPFLAGS = \
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-DG_LOG_DOMAIN=\"GLib-GObject\" \
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-I$(top_srcdir) \
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10
gobject/tests/Makefile.am
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10
gobject/tests/Makefile.am
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include $(top_srcdir)/Makefile.decl
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INCLUDES = -g -I$(top_srcdir) -I$(top_srcdir)/glib $(GLIB_DEBUG_FLAGS)
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noinst_PROGRAMS = $(TEST_PROGS)
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libgobject_LDADD = ../libgobject-2.0.la $(top_builddir)/gthread/libgthread-2.0.la $(top_builddir)/glib/libglib-2.0.la
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TEST_PROGS += threadtests
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threadtests_SOURCES = threadtests.c
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threadtests_LDADD = $(libgobject_LDADD)
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172
gobject/tests/threadtests.c
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172
gobject/tests/threadtests.c
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@ -0,0 +1,172 @@
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/* GLib testing framework examples and tests
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* Copyright (C) 2008 Imendio AB
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* Authors: Tim Janik
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*
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* This work is provided "as is"; redistribution and modification
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* in whole or in part, in any medium, physical or electronic is
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* permitted without restriction.
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*
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* This work is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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*
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* In no event shall the authors or contributors be liable for any
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* direct, indirect, incidental, special, exemplary, or consequential
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* damages (including, but not limited to, procurement of substitute
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* goods or services; loss of use, data, or profits; or business
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* interruption) however caused and on any theory of liability, whether
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* in contract, strict liability, or tort (including negligence or
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* otherwise) arising in any way out of the use of this software, even
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* if advised of the possibility of such damage.
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*/
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#include <glib.h>
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#include <glib-object.h>
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#define G_DEFINE_INTERFACE(TN, t_n, T_P) G_DEFINE_INTERFACE_WITH_CODE(TN, t_n, T_P, ;)
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#define G_DEFINE_INTERFACE_WITH_CODE(TN, t_n, T_P, _C_) _G_DEFINE_INTERFACE_EXTENDED_BEGIN(TN, t_n, T_P) {_C_;} _G_DEFINE_INTERFACE_EXTENDED_END()
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/* _default_init, ##Interface, if(TYPE_PREREQ); */
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#define _G_DEFINE_INTERFACE_EXTENDED_BEGIN(TypeName, type_name, TYPE_PREREQ) \
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static void type_name##_default_init (TypeName##Interface *klass); \
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GType \
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type_name##_get_type (void) \
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{ \
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static volatile gsize g_define_type_id__volatile = 0; \
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if (g_once_init_enter (&g_define_type_id__volatile)) \
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{ \
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GType g_define_type_id = \
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g_type_register_static_simple (G_TYPE_INTERFACE, \
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g_intern_static_string (#TypeName), \
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sizeof (TypeName##Interface), \
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(GClassInitFunc) type_name##_default_init, \
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0, \
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(GInstanceInitFunc) NULL, \
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(GTypeFlags) 0); \
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if (TYPE_PREREQ) \
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g_type_interface_add_prerequisite (g_define_type_id, TYPE_PREREQ); \
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{ /* custom code follows */
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#define _G_DEFINE_INTERFACE_EXTENDED_END() \
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/* following custom code */ \
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} \
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g_once_init_leave (&g_define_type_id__volatile, g_define_type_id); \
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} \
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return g_define_type_id__volatile; \
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} /* closes type_name##_get_type() */
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static volatile int mtsafe_call_counter = 0; /* multi thread safe call counter */
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static int unsafe_call_counter = 0; /* single-threaded call counter */
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#define NUM_COUNTER_INCREMENTS 100000
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static void
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call_counter_init (gpointer tclass)
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{
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int i;
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for (i = 0; i < NUM_COUNTER_INCREMENTS; i++)
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{
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int saved_unsafe_call_counter = unsafe_call_counter;
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g_atomic_int_add (&mtsafe_call_counter, 1); // real call count update
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g_thread_yield(); // let concurrent threads corrupt the unsafe_call_counter state
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unsafe_call_counter = 1 + saved_unsafe_call_counter; // non-atomic counter update
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}
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}
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static void interface_per_class_init () { call_counter_init (NULL); }
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/* define 3 test interfaces */
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typedef GTypeInterface MyFace0Interface;
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G_DEFINE_INTERFACE (MyFace0, my_face0, G_TYPE_OBJECT);
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static void my_face0_default_init (MyFace0Interface *iface) { call_counter_init (iface); }
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typedef GTypeInterface MyFace1Interface;
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G_DEFINE_INTERFACE (MyFace1, my_face1, G_TYPE_OBJECT);
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static void my_face1_default_init (MyFace1Interface *iface) { call_counter_init (iface); }
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typedef GTypeInterface MyFace2Interface;
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G_DEFINE_INTERFACE (MyFace2, my_face2, G_TYPE_OBJECT);
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static void my_face2_default_init (MyFace2Interface *iface) { call_counter_init (iface); }
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/* define 3 test objects, adding interfaces 0 & 1, and adding interface 2 after class initialization */
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typedef GObject MyTester0;
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typedef GObjectClass MyTester0Class;
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G_DEFINE_TYPE_WITH_CODE (MyTester0, my_tester0, G_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (my_face0_get_type(), interface_per_class_init);
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G_IMPLEMENT_INTERFACE (my_face1_get_type(), interface_per_class_init);
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);
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static void my_tester0_init (MyTester0*t) {}
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static void my_tester0_class_init (MyTester0Class*c) { call_counter_init (c); }
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typedef GObject MyTester1;
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typedef GObjectClass MyTester1Class;
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G_DEFINE_TYPE_WITH_CODE (MyTester1, my_tester1, G_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (my_face0_get_type(), interface_per_class_init);
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G_IMPLEMENT_INTERFACE (my_face1_get_type(), interface_per_class_init);
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);
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static void my_tester1_init (MyTester1*t) {}
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static void my_tester1_class_init (MyTester1Class*c) { call_counter_init (c); }
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typedef GObject MyTester2;
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typedef GObjectClass MyTester2Class;
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G_DEFINE_TYPE_WITH_CODE (MyTester2, my_tester2, G_TYPE_OBJECT,
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G_IMPLEMENT_INTERFACE (my_face0_get_type(), interface_per_class_init);
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G_IMPLEMENT_INTERFACE (my_face1_get_type(), interface_per_class_init);
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);
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static void my_tester2_init (MyTester2*t) {}
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static void my_tester2_class_init (MyTester2Class*c) { call_counter_init (c); }
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static GMutex *sync_mutex = NULL;
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static gpointer
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tester_init_thread (gpointer data)
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{
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const GInterfaceInfo face2_interface_info = { (GInterfaceInitFunc) interface_per_class_init, NULL, NULL };
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gpointer klass;
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/* first, syncronize with other threads,
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* then run interface and class initializers,
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* using unsafe_call_counter concurrently
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*/
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g_mutex_lock (sync_mutex);
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g_mutex_unlock (sync_mutex);
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/* test default interface initialization for face0 */
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g_type_default_interface_unref (g_type_default_interface_ref (my_face0_get_type()));
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/* test class initialization, face0 per-class initializer, face1 default and per-class initializer */
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klass = g_type_class_ref ((GType) data);
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/* test face2 default and per-class initializer, after class_init */
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g_type_add_interface_static (G_TYPE_FROM_CLASS (klass), my_face2_get_type(), &face2_interface_info);
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/* cleanups */
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g_type_class_unref (klass);
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return NULL;
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}
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static void
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test_threaded_class_init (void)
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{
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GThread *threads[3] = { NULL, };
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/* pause newly created threads */
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sync_mutex = g_mutex_new();
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g_mutex_lock (sync_mutex);
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/* create threads */
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threads[0] = g_thread_create (tester_init_thread, (gpointer) my_tester0_get_type(), TRUE, NULL);
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threads[1] = g_thread_create (tester_init_thread, (gpointer) my_tester1_get_type(), TRUE, NULL);
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threads[2] = g_thread_create (tester_init_thread, (gpointer) my_tester2_get_type(), TRUE, NULL);
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/* execute threads */
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g_mutex_unlock (sync_mutex);
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while (g_atomic_int_get (&mtsafe_call_counter) < (3 + 3 + 3 * 3) * NUM_COUNTER_INCREMENTS)
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{
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if (g_test_verbose())
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g_print ("Initializers counted: %u\n", g_atomic_int_get (&mtsafe_call_counter));
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g_usleep (50 * 1000); /* wait for threads to complete */
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}
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if (g_test_verbose())
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g_print ("Total initializers: %u\n", g_atomic_int_get (&mtsafe_call_counter));
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/* ensure non-corrupted counter updates */
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g_assert_cmpint (g_atomic_int_get (&mtsafe_call_counter), ==, unsafe_call_counter);
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}
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int
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main (int argc,
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char *argv[])
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{
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g_thread_init (NULL);
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g_test_init (&argc, &argv, NULL);
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g_type_init ();
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g_test_add_func ("/GObject/threaded-class-init", test_threaded_class_init);
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return g_test_run();
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}
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