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Modify usize calculation and corresponding tests.

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guangli-dai 2024-04-18 15:42:14 -07:00 • committed by Guangli Dai
parent 9ce475a135
commit a0d18fe5d7
8 changed files with 90 additions and 9 deletions
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2
test/integration/rallocx.c
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@ -49,7 +49,7 @@ TEST_BEGIN(test_grow_and_shrink) {
size_t tsz;
#define NCYCLES 3
unsigned i, j;
#define NSZS 1024
#define NSZS 75
size_t szs[NSZS];
#define MAXSZ ZU(12 * 1024 * 1024)

42
test/unit/size_classes.c
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@ -26,7 +26,8 @@ TEST_BEGIN(test_size_classes) {
size_t size_class, max_size_class;
szind_t index, gen_index, max_index;
max_size_class = get_max_size_class();
max_size_class = sz_limit_usize_gap_enabled()? SC_SMALL_MAXCLASS:
get_max_size_class();
max_index = sz_size2index(max_size_class);
for (index = 0, size_class = sz_index2size(index); index < max_index ||
@ -79,6 +80,44 @@ TEST_BEGIN(test_size_classes) {
}
TEST_END
TEST_BEGIN(test_grow_slow_size_classes) {
test_skip_if(!config_limit_usize_gap);
/*
* Override runtime option for this test to test usize calculation when
* sz_limit_usize_gap_enabled() is true.
*/
opt_limit_usize_gap = true;
size_t size = SC_LARGE_MINCLASS;
size_t target_usize = SC_LARGE_MINCLASS;
size_t max_size = get_max_size_class();
size_t increase[3] = {PAGE - 1, 1, 1};
while (size <= max_size) {
size_t usize = sz_s2u(size);
expect_zu_eq(usize, target_usize,
"sz_s2u() does not generate usize as expected.");
size += increase[0];
usize = sz_s2u(size);
target_usize += PAGE;
expect_zu_eq(usize, target_usize,
"sz_s2u() does not generate usize as expected.");
size += increase[1];
usize = sz_s2u(size);
expect_zu_eq(usize, target_usize,
"sz_s2u() does not generate usize as expected.");
size += increase[2];
usize = sz_s2u(size);
target_usize += PAGE;
expect_zu_eq(usize, target_usize,
"sz_s2u() does not generate usize as expected.");
if (target_usize << 1 < target_usize) {
break;
}
target_usize = target_usize << 1;
size = target_usize;
}
}
TEST_END
TEST_BEGIN(test_psize_classes) {
size_t size_class, max_psz;
pszind_t pind, max_pind;
@ -182,6 +221,7 @@ int
main(void) {
return test(
test_size_classes,
test_grow_slow_size_classes,
test_psize_classes,
test_overflow);
}