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Move tests/thread-test.c to glib/tests/thread-deprecated.c

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Helps issue #1434
This commit is contained in:
Emmanuel Fleury
2022-05-05 18:41:54 +02:00
parent 6399ff04c3
commit 647506966d
3 changed files with 91 additions and 81 deletions
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1
tests/meson.build
View File

@@ -22,7 +22,6 @@ tests = {
'slice-threadinit' : {
'dependencies' : [libgthread_dep],
},
'thread-test' : {},
'module-test-library' : {
'dependencies' : [libgmodule_dep],
'export_dynamic' : true,

400
tests/thread-test.c
View File

@@ -1,400 +0,0 @@
#undef G_DISABLE_ASSERT
#undef G_LOG_DOMAIN
#include <glib.h>
/* GMutex */
static GMutex test_g_mutex_mutex;
static guint test_g_mutex_int = 0;
static gboolean test_g_mutex_thread_ready;
G_LOCK_DEFINE_STATIC (test_g_mutex);
static gpointer
test_g_mutex_thread (gpointer data)
{
g_assert (GPOINTER_TO_INT (data) == 42);
g_assert (g_mutex_trylock (&test_g_mutex_mutex) == FALSE);
g_assert (G_TRYLOCK (test_g_mutex) == FALSE);
test_g_mutex_thread_ready = TRUE;
g_mutex_lock (&test_g_mutex_mutex);
g_assert (test_g_mutex_int == 42);
g_mutex_unlock (&test_g_mutex_mutex);
return GINT_TO_POINTER (41);
}
static void
test_g_mutex (void)
{
GThread *thread;
g_assert (g_mutex_trylock (&test_g_mutex_mutex));
g_assert (G_TRYLOCK (test_g_mutex));
test_g_mutex_thread_ready = FALSE;
thread = g_thread_create (test_g_mutex_thread, GINT_TO_POINTER (42),
TRUE, NULL);
/* This busy wait is only for testing purposes and not an example of
* good code!*/
while (!test_g_mutex_thread_ready)
g_usleep (G_USEC_PER_SEC / 5);
test_g_mutex_int = 42;
G_UNLOCK (test_g_mutex);
g_mutex_unlock (&test_g_mutex_mutex);
g_assert (GPOINTER_TO_INT (g_thread_join (thread)) == 41);
}
/* GStaticRecMutex */
static GStaticRecMutex test_g_static_rec_mutex_mutex = G_STATIC_REC_MUTEX_INIT;
static guint test_g_static_rec_mutex_int = 0;
static gboolean test_g_static_rec_mutex_thread_ready;
static gpointer
test_g_static_rec_mutex_thread (gpointer data)
{
g_assert (GPOINTER_TO_INT (data) == 42);
g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex)
== FALSE);
test_g_static_rec_mutex_thread_ready = TRUE;
g_static_rec_mutex_lock (&test_g_static_rec_mutex_mutex);
g_static_rec_mutex_lock (&test_g_static_rec_mutex_mutex);
g_assert (test_g_static_rec_mutex_int == 42);
test_g_static_rec_mutex_thread_ready = FALSE;
g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
g_thread_exit (GINT_TO_POINTER (43));
g_assert_not_reached ();
return NULL;
}
static void
test_g_static_rec_mutex (void)
{
GThread *thread;
g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex));
test_g_static_rec_mutex_thread_ready = FALSE;
thread = g_thread_create (test_g_static_rec_mutex_thread,
GINT_TO_POINTER (42), TRUE, NULL);
/* This busy wait is only for testing purposes and not an example of
* good code!*/
while (!test_g_static_rec_mutex_thread_ready)
g_usleep (G_USEC_PER_SEC / 5);
g_assert (g_static_rec_mutex_trylock (&test_g_static_rec_mutex_mutex));
test_g_static_rec_mutex_int = 41;
g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
test_g_static_rec_mutex_int = 42;
g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
/* This busy wait is only for testing purposes and not an example of
* good code!*/
while (test_g_static_rec_mutex_thread_ready)
g_usleep (G_USEC_PER_SEC / 5);
g_static_rec_mutex_lock (&test_g_static_rec_mutex_mutex);
test_g_static_rec_mutex_int = 0;
g_static_rec_mutex_unlock (&test_g_static_rec_mutex_mutex);
g_assert (GPOINTER_TO_INT (g_thread_join (thread)) == 43);
}
/* GStaticPrivate */
#define THREADS 10
static GStaticPrivate test_g_static_private_private1 = G_STATIC_PRIVATE_INIT;
static GStaticPrivate test_g_static_private_private2 = G_STATIC_PRIVATE_INIT;
static GMutex test_g_static_private_mutex;
static guint test_g_static_private_counter = 0;
static guint test_g_static_private_ready = 0;
static gpointer
test_g_static_private_constructor (void)
{
g_mutex_lock (&test_g_static_private_mutex);
test_g_static_private_counter++;
g_mutex_unlock (&test_g_static_private_mutex);
return g_new (guint,1);
}
static void
test_g_static_private_destructor (gpointer data)
{
g_mutex_lock (&test_g_static_private_mutex);
test_g_static_private_counter--;
g_mutex_unlock (&test_g_static_private_mutex);
g_free (data);
}
static gpointer
test_g_static_private_thread (gpointer data)
{
guint number = GPOINTER_TO_INT (data);
guint i;
guint *private1, *private2;
for (i = 0; i < 10; i++)
{
number = number * 11 + 1; /* A very simple and bad RNG ;-) */
private1 = g_static_private_get (&test_g_static_private_private1);
if (!private1 || number % 7 > 3)
{
private1 = test_g_static_private_constructor ();
g_static_private_set (&test_g_static_private_private1, private1,
test_g_static_private_destructor);
}
*private1 = number;
private2 = g_static_private_get (&test_g_static_private_private2);
if (!private2 || number % 13 > 5)
{
private2 = test_g_static_private_constructor ();
g_static_private_set (&test_g_static_private_private2, private2,
test_g_static_private_destructor);
}
*private2 = number * 2;
g_usleep (G_USEC_PER_SEC / 5);
g_assert (number == *private1);
g_assert (number * 2 == *private2);
}
g_mutex_lock (&test_g_static_private_mutex);
test_g_static_private_ready++;
g_mutex_unlock (&test_g_static_private_mutex);
/* Busy wait is not nice but that's just a test */
while (test_g_static_private_ready != 0)
g_usleep (G_USEC_PER_SEC / 5);
for (i = 0; i < 10; i++)
{
private2 = g_static_private_get (&test_g_static_private_private2);
number = number * 11 + 1; /* A very simple and bad RNG ;-) */
if (!private2 || number % 13 > 5)
{
private2 = test_g_static_private_constructor ();
g_static_private_set (&test_g_static_private_private2, private2,
test_g_static_private_destructor);
}
*private2 = number * 2;
g_usleep (G_USEC_PER_SEC / 5);
g_assert (number * 2 == *private2);
}
return GINT_TO_POINTER (GPOINTER_TO_INT (data) * 3);
}
static void
test_g_static_private (void)
{
GThread *threads[THREADS];
guint i;
test_g_static_private_ready = 0;
for (i = 0; i < THREADS; i++)
{
threads[i] = g_thread_create (test_g_static_private_thread,
GINT_TO_POINTER (i), TRUE, NULL);
}
/* Busy wait is not nice but that's just a test */
while (test_g_static_private_ready != THREADS)
g_usleep (G_USEC_PER_SEC / 5);
/* Reuse the static private */
g_static_private_free (&test_g_static_private_private2);
g_static_private_init (&test_g_static_private_private2);
test_g_static_private_ready = 0;
for (i = 0; i < THREADS; i++)
g_assert (GPOINTER_TO_UINT (g_thread_join (threads[i])) == i * 3);
g_assert (test_g_static_private_counter == 0);
}
/* GStaticRWLock */
/* -1 = writing; >0 = # of readers */
static gint test_g_static_rw_lock_state = 0;
G_LOCK_DEFINE (test_g_static_rw_lock_state);
static gboolean test_g_static_rw_lock_run = TRUE;
static GStaticRWLock test_g_static_rw_lock_lock = G_STATIC_RW_LOCK_INIT;
static gpointer
test_g_static_rw_lock_thread (gpointer data)
{
while (test_g_static_rw_lock_run)
{
if (g_random_double() > .2) /* I'm a reader */
{
if (g_random_double() > .2) /* I'll block */
g_static_rw_lock_reader_lock (&test_g_static_rw_lock_lock);
else /* I'll only try */
if (!g_static_rw_lock_reader_trylock (&test_g_static_rw_lock_lock))
continue;
G_LOCK (test_g_static_rw_lock_state);
g_assert (test_g_static_rw_lock_state >= 0);
test_g_static_rw_lock_state++;
G_UNLOCK (test_g_static_rw_lock_state);
g_usleep (g_random_int_range (20,1000));
G_LOCK (test_g_static_rw_lock_state);
test_g_static_rw_lock_state--;
G_UNLOCK (test_g_static_rw_lock_state);
g_static_rw_lock_reader_unlock (&test_g_static_rw_lock_lock);
}
else /* I'm a writer */
{
if (g_random_double() > .2) /* I'll block */
g_static_rw_lock_writer_lock (&test_g_static_rw_lock_lock);
else /* I'll only try */
if (!g_static_rw_lock_writer_trylock (&test_g_static_rw_lock_lock))
continue;
G_LOCK (test_g_static_rw_lock_state);
g_assert (test_g_static_rw_lock_state == 0);
test_g_static_rw_lock_state = -1;
G_UNLOCK (test_g_static_rw_lock_state);
g_usleep (g_random_int_range (20,1000));
G_LOCK (test_g_static_rw_lock_state);
test_g_static_rw_lock_state = 0;
G_UNLOCK (test_g_static_rw_lock_state);
g_static_rw_lock_writer_unlock (&test_g_static_rw_lock_lock);
}
}
return NULL;
}
static void
test_g_static_rw_lock (void)
{
GThread *threads[THREADS];
guint i;
for (i = 0; i < THREADS; i++)
{
threads[i] = g_thread_create (test_g_static_rw_lock_thread,
NULL, TRUE, NULL);
}
g_usleep (G_USEC_PER_SEC * 5);
test_g_static_rw_lock_run = FALSE;
for (i = 0; i < THREADS; i++)
{
g_thread_join (threads[i]);
}
g_assert (test_g_static_rw_lock_state == 0);
}
#define G_ONCE_SIZE 100
#define G_ONCE_THREADS 10
G_LOCK_DEFINE (test_g_once);
static guint test_g_once_guint_array[G_ONCE_SIZE];
static GOnce test_g_once_array[G_ONCE_SIZE];
static gpointer
test_g_once_init_func(gpointer arg)
{
guint *count = arg;
g_usleep (g_random_int_range (20,1000));
(*count)++;
g_usleep (g_random_int_range (20,1000));
return arg;
}
static gpointer
test_g_once_thread (gpointer ignore)
{
guint i;
G_LOCK (test_g_once);
/* Don't start before all threads are created */
G_UNLOCK (test_g_once);
for (i = 0; i < 1000; i++)
{
guint pos = g_random_int_range (0, G_ONCE_SIZE);
gpointer ret = g_once (test_g_once_array + pos, test_g_once_init_func,
test_g_once_guint_array + pos);
g_assert (ret == test_g_once_guint_array + pos);
}
/* Make sure, that all counters are touched at least once */
for (i = 0; i < G_ONCE_SIZE; i++)
{
gpointer ret = g_once (test_g_once_array + i, test_g_once_init_func,
test_g_once_guint_array + i);
g_assert (ret == test_g_once_guint_array + i);
}
return NULL;
}
static void
test_g_thread_once (void)
{
static GOnce once_init = G_ONCE_INIT;
GThread *threads[G_ONCE_THREADS];
guint i;
for (i = 0; i < G_ONCE_SIZE; i++)
{
test_g_once_array[i] = once_init;
test_g_once_guint_array[i] = i;
}
G_LOCK (test_g_once);
for (i = 0; i < G_ONCE_THREADS; i++)
{
threads[i] = g_thread_create (test_g_once_thread, GUINT_TO_POINTER(i%2),
TRUE, NULL);
}
G_UNLOCK (test_g_once);
for (i = 0; i < G_ONCE_THREADS; i++)
{
g_thread_join (threads[i]);
}
for (i = 0; i < G_ONCE_SIZE; i++)
{
g_assert (test_g_once_guint_array[i] == i + 1);
}
}
/* run all the tests */
static void
run_all_tests (void)
{
test_g_mutex ();
test_g_static_rec_mutex ();
test_g_static_private ();
test_g_static_rw_lock ();
test_g_thread_once ();
}
int
main (int argc,
char *argv[])
{
run_all_tests ();
/* Now we rerun all tests, but this time we fool the system into
* thinking, that the available thread system is not native, but
* userprovided. */
g_thread_use_default_impl = FALSE;
run_all_tests ();
/* XXX: And this shows how silly the above non-native tests are */
g_static_rw_lock_free (&test_g_static_rw_lock_lock);
g_static_rec_mutex_free (&test_g_static_rec_mutex_mutex);
g_static_private_free (&test_g_static_private_private2);
return 0;
}