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gtestutils: Allow clean simple use of g_test_trap_subprocess()

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Allow g_test_trap_subprocess() to be used in a simple cases by
rerunning the same test case itself. This is accomplished by
passing %NULL as the test case name.

https://bugzilla.gnome.org/show_bug.cgi?id=720236
This commit is contained in:
Stef Walter 2013-12-11 09:31:35 +01:00 committed by Matthias Clasen
parent 162852d1b5
commit cd2204bb65
2 changed files with 39 additions and 32 deletions
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40
glib/gtestutils.c
View File

@ -2738,13 +2738,19 @@ g_test_trap_fork (guint64 usec_timeout,
/**
* g_test_trap_subprocess:
* @test_path: Test to run in a subprocess
* @test_path: (allow-none): Test to run in a subprocess
* @usec_timeout: Timeout for the subprocess test in micro seconds.
* @test_flags: Flags to modify subprocess behaviour.
*
* Respawns the test program to run only @test_path in a subprocess.
* This can be used for a test case that might not return, or that
* might abort. @test_path will normally be the name of the parent
* might abort.
*
* If @test_path is %NULL then the same test is re-run in a subprocess.
* You can use g_test_subprocess() to determine whether the test is in
* a subprocess or not.
*
* @test_path can also be the name of the parent
* test, followed by "<literal>/subprocess/</literal>" and then a name
* for the specific subtest (or just ending with
* "<literal>/subprocess</literal>" if the test only has one child
@ -2776,13 +2782,14 @@ g_test_trap_fork (guint64 usec_timeout,
* static void
* test_create_large_object_subprocess (void)
* {
* my_object_new (1000000);
* }
* if (g_test_subprocess ())
* {
* my_object_new (1000000);
* return;
* }
*
* static void
* test_create_large_object (void)
* {
* g_test_trap_subprocess ("/myobject/create_large_object/subprocess", 0, 0);
* /&ast; Reruns this same test in a subprocess &ast;/
* g_test_trap_subprocess (NULL, 0, 0);
* g_test_trap_assert_failed ();
* g_test_trap_assert_stderr ("*ERROR*too large*");
* }
@ -2794,12 +2801,6 @@ g_test_trap_fork (guint64 usec_timeout,
*
* g_test_add_func ("/myobject/create_large_object",
* test_create_large_object);
* /&ast; Because of the '/subprocess' in the name, this test will
* &ast; not be run by the g_test_run () call below.
* &ast;/
* g_test_add_func ("/myobject/create_large_object/subprocess",
* test_create_large_object_subprocess);
*
* return g_test_run ();
* }
* ]|
@ -2820,8 +2821,15 @@ g_test_trap_subprocess (const char *test_path,
/* Sanity check that they used GTestSubprocessFlags, not GTestTrapFlags */
g_assert ((test_flags & (G_TEST_TRAP_INHERIT_STDIN | G_TEST_TRAP_SILENCE_STDOUT | G_TEST_TRAP_SILENCE_STDERR)) == 0);
if (!g_test_suite_case_exists (g_test_get_root (), test_path))
g_error ("g_test_trap_subprocess: test does not exist: %s", test_path);
if (test_path)
{
if (!g_test_suite_case_exists (g_test_get_root (), test_path))
g_error ("g_test_trap_subprocess: test does not exist: %s", test_path);
}
else
{
test_path = test_run_name;
}
if (g_test_verbose ())
g_print ("GTest: subprocess: %s\n", test_path);

31
glib/tests/list.c
View File

@ -490,28 +490,28 @@ test_position (void)
}
static void
test_double_free_subprocess (void)
test_double_free (void)
{
GList *list, *link;
GList intruder = { NULL, (gpointer)0xDEADBEEF, (gpointer)0xDEADBEEF };
list = NULL;
list = g_list_append (list, "a");
link = list = g_list_append (list, "b");
list = g_list_append (list, "c");
if (g_test_subprocess ())
{
list = NULL;
list = g_list_append (list, "a");
link = list = g_list_append (list, "b");
list = g_list_append (list, "c");
list = g_list_remove_link (list, link);
link->prev = list;
link->next = &intruder;
list = g_list_remove_link (list, link);
list = g_list_remove_link (list, link);
link->prev = list;
link->next = &intruder;
list = g_list_remove_link (list, link);
g_list_free (list);
}
g_list_free (list);
return;
}
static void
test_double_free (void)
{
g_test_trap_subprocess ("/list/double-free/subprocess", 0, 0);
g_test_trap_subprocess (NULL, 0, 0);
g_test_trap_assert_failed ();
g_test_trap_assert_stderr ("*corrupted double-linked list detected*");
}
@ -545,7 +545,6 @@ main (int argc, char *argv[])
g_test_add_func ("/list/prepend", test_prepend);
g_test_add_func ("/list/position", test_position);
g_test_add_func ("/list/double-free", test_double_free);
g_test_add_func ("/list/double-free/subprocess", test_double_free_subprocess);
return g_test_run ();
}