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#include "test/jemalloc_test.h"
static void
test_zero(size_t sz_min, size_t sz_max) {
uint8_t *s;
size_t sz_prev, sz, i;
#define MAGIC ((uint8_t)0x61)
sz_prev = 0;
s = (uint8_t *)mallocx(sz_min, 0);
assert_ptr_not_null((void *)s, "Unexpected mallocx() failure");
for (sz = sallocx(s, 0); sz <= sz_max;
sz_prev = sz, sz = sallocx(s, 0)) {
if (sz_prev > 0) {
assert_u_eq(s[0], MAGIC,
"Previously allocated byte %zu/%zu is corrupted",
ZU(0), sz_prev);
assert_u_eq(s[sz_prev-1], MAGIC,
"Previously allocated byte %zu/%zu is corrupted",
sz_prev-1, sz_prev);
}
for (i = sz_prev; i < sz; i++) {
assert_u_eq(s[i], 0x0,
"Newly allocated byte %zu/%zu isn't zero-filled",
i, sz);
s[i] = MAGIC;
}
if (xallocx(s, sz+1, 0, 0) == sz) {
s = (uint8_t *)rallocx(s, sz+1, 0);
assert_ptr_not_null((void *)s,
"Unexpected rallocx() failure");
}
}
dallocx(s, 0);
#undef MAGIC
}
TEST_BEGIN(test_zero_small) {
test_skip_if(!config_fill);
test_zero(1, SMALL_MAXCLASS-1);
}
TEST_END
TEST_BEGIN(test_zero_large) {
test_skip_if(!config_fill);
test_zero(SMALL_MAXCLASS+1, (1U << (LG_LARGE_MINCLASS+1)));
}
TEST_END
int
main(void) {
return test(
test_zero_small,
test_zero_large);
}
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