1 #include "test/jemalloc_test.h" 2 3 TEST_BEGIN(test_update_slab_size) { 4 sc_data_t data; 5 memset(&data, 0, sizeof(data)); 6 sc_data_init(&data); 7 sc_t *tiny = &data.sc[0]; 8 size_t tiny_size = (ZU(1) << tiny->lg_base) 9 + (ZU(tiny->ndelta) << tiny->lg_delta); 10 size_t pgs_too_big = (tiny_size * BITMAP_MAXBITS + PAGE - 1) / PAGE + 1; 11 sc_data_update_slab_size(&data, tiny_size, tiny_size, (int)pgs_too_big); 12 expect_zu_lt((size_t)tiny->pgs, pgs_too_big, "Allowed excessive pages"); 13 14 sc_data_update_slab_size(&data, 1, 10 * PAGE, 1); 15 for (int i = 0; i < data.nbins; i++) { 16 sc_t *sc = &data.sc[i]; 17 size_t reg_size = (ZU(1) << sc->lg_base) 18 + (ZU(sc->ndelta) << sc->lg_delta); 19 if (reg_size <= PAGE) { 20 expect_d_eq(sc->pgs, 1, "Ignored valid page size hint"); 21 } else { 22 expect_d_gt(sc->pgs, 1, 23 "Allowed invalid page size hint"); 24 } 25 } 26 } 27 TEST_END 28 29 int 30 main(void) { 31 return test( 32 test_update_slab_size); 33 } 34