xref: /aosp_15_r20/external/jemalloc_new/test/unit/slab.c (revision 1208bc7e437ced7eb82efac44ba17e3beba411da)
1*1208bc7eSAndroid Build Coastguard Worker #include "test/jemalloc_test.h"
2*1208bc7eSAndroid Build Coastguard Worker 
TEST_BEGIN(test_arena_slab_regind)3*1208bc7eSAndroid Build Coastguard Worker TEST_BEGIN(test_arena_slab_regind) {
4*1208bc7eSAndroid Build Coastguard Worker 	szind_t binind;
5*1208bc7eSAndroid Build Coastguard Worker 
6*1208bc7eSAndroid Build Coastguard Worker 	for (binind = 0; binind < NBINS; binind++) {
7*1208bc7eSAndroid Build Coastguard Worker 		size_t regind;
8*1208bc7eSAndroid Build Coastguard Worker 		extent_t slab;
9*1208bc7eSAndroid Build Coastguard Worker 		const bin_info_t *bin_info = &bin_infos[binind];
10*1208bc7eSAndroid Build Coastguard Worker 		extent_init(&slab, NULL, mallocx(bin_info->slab_size,
11*1208bc7eSAndroid Build Coastguard Worker 		    MALLOCX_LG_ALIGN(LG_PAGE)), bin_info->slab_size, true,
12*1208bc7eSAndroid Build Coastguard Worker 		    binind, 0, extent_state_active, false, true, true);
13*1208bc7eSAndroid Build Coastguard Worker 		assert_ptr_not_null(extent_addr_get(&slab),
14*1208bc7eSAndroid Build Coastguard Worker 		    "Unexpected malloc() failure");
15*1208bc7eSAndroid Build Coastguard Worker 		for (regind = 0; regind < bin_info->nregs; regind++) {
16*1208bc7eSAndroid Build Coastguard Worker 			void *reg = (void *)((uintptr_t)extent_addr_get(&slab) +
17*1208bc7eSAndroid Build Coastguard Worker 			    (bin_info->reg_size * regind));
18*1208bc7eSAndroid Build Coastguard Worker 			assert_zu_eq(arena_slab_regind(&slab, binind, reg),
19*1208bc7eSAndroid Build Coastguard Worker 			    regind,
20*1208bc7eSAndroid Build Coastguard Worker 			    "Incorrect region index computed for size %zu",
21*1208bc7eSAndroid Build Coastguard Worker 			    bin_info->reg_size);
22*1208bc7eSAndroid Build Coastguard Worker 		}
23*1208bc7eSAndroid Build Coastguard Worker 		free(extent_addr_get(&slab));
24*1208bc7eSAndroid Build Coastguard Worker 	}
25*1208bc7eSAndroid Build Coastguard Worker }
26*1208bc7eSAndroid Build Coastguard Worker TEST_END
27*1208bc7eSAndroid Build Coastguard Worker 
28*1208bc7eSAndroid Build Coastguard Worker int
main(void)29*1208bc7eSAndroid Build Coastguard Worker main(void) {
30*1208bc7eSAndroid Build Coastguard Worker 	return test(
31*1208bc7eSAndroid Build Coastguard Worker 	    test_arena_slab_regind);
32*1208bc7eSAndroid Build Coastguard Worker }
33