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mem: added an MEMP_OVERFLOW_CHECK implementation for MEM_USE_POOLS; added another unit test

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This commit is contained in:
goldsimon
2014-12-10 09:48:50 +01:00
parent dbe33783c9
commit 0ff98eb2f5
3 changed files with 72 additions and 5 deletions
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56
test/unit/core/test_mem.c
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@@ -35,10 +35,6 @@ START_TEST(test_mem_one)
mem_size_t s1, s2;
LWIP_UNUSED_ARG(_i);
#if LWIP_DNS
fail("This test needs DNS turned off (as it mallocs on init)");
#endif
fail_unless(lwip_stats.mem.used == 0);
p1 = mem_malloc(SIZE1);
@@ -61,13 +57,63 @@ START_TEST(test_mem_one)
}
END_TEST
static void malloc_keep_x(int x, int num, int size, int freestep)
{
int i;
void* p[16];
memset(p, 0, sizeof(p));
for(i = 0; i < num && i < 16; i++) {
p[i] = mem_malloc(size);
fail_unless(p[i] != NULL);
}
for(i = 0; i < num && i < 16; i += freestep) {
if (i == x) {
continue;
}
mem_free(p[i]);
p[i] = NULL;
}
for(i = 0; i < num && i < 16; i++) {
if (i == x) {
continue;
}
if (p[i] != NULL) {
mem_free(p[i]);
p[i] = NULL;
}
}
fail_unless(p[x] != NULL);
mem_free(p[x]);
}
START_TEST(test_mem_random)
{
const int num = 16;
int x;
int size;
int freestep;
fail_unless(lwip_stats.mem.used == 0);
for (x = 0; x < num; x++) {
for (size = 1; size < 32; size++) {
for (freestep = 1; freestep <= 3; freestep++) {
fail_unless(lwip_stats.mem.used == 0);
malloc_keep_x(x, num, size, freestep);
fail_unless(lwip_stats.mem.used == 0);
}
}
}
}
END_TEST
/** Create the suite including all tests for this module */
Suite *
mem_suite(void)
{
testfunc tests[] = {
TESTFUNC(test_mem_one)
TESTFUNC(test_mem_one),
TESTFUNC(test_mem_random)
};
return create_suite("MEM", tests, sizeof(tests)/sizeof(testfunc), mem_setup, mem_teardown);
}