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Improve GSlice test coverage

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This commit is contained in:
Matthias Clasen 2013-12-24 23:35:31 -05:00
parent 19ad8dbfa6
commit e013cf9cad
1 changed files with 150 additions and 0 deletions
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150
glib/tests/slice.c
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@ -1,3 +1,4 @@
#include <string.h>
#include <glib.h>
/* We test deprecated functionality here */
@ -15,6 +16,150 @@ test_slice_config (void)
g_test_trap_assert_failed ();
}
static void
test_slice_nodebug (void)
{
const gchar *oldval;
oldval = g_getenv ("G_SLICE");
g_unsetenv ("G_SLICE");
if (g_test_subprocess ())
{
gpointer p, q;
p = g_slice_alloc (237);
q = g_slice_alloc (259);
g_slice_free1 (237, p);
g_slice_free1 (259, q);
g_slice_debug_tree_statistics ();
return;
}
g_test_trap_subprocess (NULL, 1000000, 0);
g_test_trap_assert_passed ();
g_test_trap_assert_stderr ("*GSlice: MemChecker: root=NULL*");
if (oldval)
g_setenv ("G_SLICE", oldval, TRUE);
}
static void
test_slice_debug (void)
{
const gchar *oldval;
oldval = g_getenv ("G_SLICE");
g_setenv ("G_SLICE", "debug-blocks:always-malloc", TRUE);
if (g_test_subprocess ())
{
gpointer p, q;
p = g_slice_alloc (237);
q = g_slice_alloc (259);
g_slice_free1 (237, p);
g_slice_free1 (259, q);
g_slice_debug_tree_statistics ();
return;
}
g_test_trap_subprocess (NULL, 1000000, 0);
g_test_trap_assert_passed ();
g_test_trap_assert_stderr ("*GSlice: MemChecker: * trunks, * branches, * old branches*");
if (oldval)
g_setenv ("G_SLICE", oldval, TRUE);
else
g_unsetenv ("G_SLICE");
}
static void
test_slice_copy (void)
{
const gchar *block = "0123456789ABCDEF";
gpointer p;
p = g_slice_copy (12, block);
g_assert (memcmp (p, block, 12) == 0);
g_slice_free1 (12, p);
}
typedef struct {
gint int1;
gint int2;
gchar byte;
gpointer next;
gint64 more;
} TestStruct;
static void
test_chain (void)
{
TestStruct *ts, *head;
head = ts = g_slice_new (TestStruct);
ts->next = g_slice_new (TestStruct);
ts = ts->next;
ts->next = g_slice_new (TestStruct);
ts = ts->next;
ts->next = NULL;
g_slice_free_chain (TestStruct, head, next);
}
static gpointer chunks[4096][30];
static gpointer
thread_allocate (gpointer data)
{
gint i;
gint b;
gint size;
gpointer p;
volatile void **loc;
for (i = 0; i < 10000; i++)
{
b = g_random_int_range (0, 30);
size = g_random_int_range (0, 4096);
loc = &(chunks[size][b]);
p = g_atomic_pointer_get (loc);
if (p == NULL)
{
p = g_slice_alloc (size + 1);
if (!g_atomic_pointer_compare_and_exchange (loc, NULL, p))
g_slice_free1 (size + 1, p);
}
else
{
if (g_atomic_pointer_compare_and_exchange (loc, p, NULL))
g_slice_free1 (size + 1, p);
}
}
return NULL;
}
static void
test_allocate (void)
{
GThread *threads[30];
gint size;
gint i;
for (i = 0; i < 30; i++)
for (size = 1; size <= 4096; size++)
chunks[size - 1][i] = NULL;
for (i = 0; i < G_N_ELEMENTS(threads); i++)
threads[i] = g_thread_create (thread_allocate, NULL, TRUE, NULL);
for (i = 0; i < G_N_ELEMENTS(threads); i++)
g_thread_join (threads[i]);
}
int
main (int argc, char **argv)
{
@ -29,6 +174,11 @@ main (int argc, char **argv)
g_test_init (&argc, &argv, NULL);
g_test_add_func ("/slice/config", test_slice_config);
g_test_add_func ("/slice/nodebug", test_slice_nodebug);
g_test_add_func ("/slice/debug", test_slice_debug);
g_test_add_func ("/slice/copy", test_slice_copy);
g_test_add_func ("/slice/chain", test_chain);
g_test_add_func ("/slice/allocate", test_allocate);
return g_test_run ();
}