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Add alignment stress test for rallocx

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This commit is contained in:
Yinan Zhang 2020-08-10 15:39:16 -07:00
parent 743021b63f
commit 8f9e958e1e
1 changed files with 34 additions and 0 deletions
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34
test/integration/rallocx.c
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@ -171,6 +171,39 @@ TEST_BEGIN(test_align) {
} }
TEST_END TEST_END
TEST_BEGIN(test_align_enum) {
/* Span both small sizes and large sizes. */
#define LG_MIN 12
#define LG_MAX 15
for (size_t lg_align = LG_MIN; lg_align <= LG_MAX; ++lg_align) {
for (size_t lg_size = LG_MIN; lg_size <= LG_MAX; ++lg_size) {
size_t size = 1 << lg_size;
for (size_t lg_align_next = LG_MIN;
lg_align_next <= LG_MAX; ++lg_align_next) {
int flags = MALLOCX_LG_ALIGN(lg_align);
void *p = mallocx(1, flags);
assert_ptr_not_null(p,
"Unexpected mallocx() error");
assert_zu_eq(nallocx(1, flags),
malloc_usable_size(p),
"Wrong mallocx() usable size");
int flags_next =
MALLOCX_LG_ALIGN(lg_align_next);
p = rallocx(p, size, flags_next);
assert_ptr_not_null(p,
"Unexpected rallocx() error");
expect_zu_eq(nallocx(size, flags_next),
malloc_usable_size(p),
"Wrong rallocx() usable size");
free(p);
}
}
}
#undef LG_MAX
#undef LG_MIN
}
TEST_END
TEST_BEGIN(test_lg_align_and_zero) { TEST_BEGIN(test_lg_align_and_zero) {
void *p, *q; void *p, *q;
unsigned lg_align; unsigned lg_align;
@ -253,6 +286,7 @@ main(void) {
test_grow_and_shrink, test_grow_and_shrink,
test_zero, test_zero,
test_align, test_align,
test_align_enum,
test_lg_align_and_zero, test_lg_align_and_zero,
test_overflow); test_overflow);
} }