| #include "test/jemalloc_test.h" |
| |
| TEST_BEGIN(test_basic) |
| { |
| #define MAXSZ (((size_t)1) << 26) |
| size_t sz; |
| |
| for (sz = 1; sz < MAXSZ; sz = nallocx(sz, 0) + 1) { |
| size_t nsz, rsz; |
| void *p; |
| nsz = nallocx(sz, 0); |
| assert_zu_ne(nsz, 0, "Unexpected nallocx() error"); |
| p = mallocx(sz, 0); |
| assert_ptr_not_null(p, "Unexpected mallocx() error"); |
| rsz = sallocx(p, 0); |
| assert_zu_ge(rsz, sz, "Real size smaller than expected"); |
| assert_zu_eq(nsz, rsz, "nallocx()/sallocx() size mismatch"); |
| dallocx(p, 0); |
| |
| p = mallocx(sz, 0); |
| assert_ptr_not_null(p, "Unexpected mallocx() error"); |
| dallocx(p, 0); |
| |
| nsz = nallocx(sz, MALLOCX_ZERO); |
| assert_zu_ne(nsz, 0, "Unexpected nallocx() error"); |
| p = mallocx(sz, MALLOCX_ZERO); |
| assert_ptr_not_null(p, "Unexpected mallocx() error"); |
| rsz = sallocx(p, 0); |
| assert_zu_eq(nsz, rsz, "nallocx()/sallocx() rsize mismatch"); |
| dallocx(p, 0); |
| } |
| #undef MAXSZ |
| } |
| TEST_END |
| |
| TEST_BEGIN(test_alignment_and_size) |
| { |
| #define MAXALIGN (((size_t)1) << 25) |
| #define NITER 4 |
| size_t nsz, rsz, sz, alignment, total; |
| unsigned i; |
| void *ps[NITER]; |
| |
| for (i = 0; i < NITER; i++) |
| ps[i] = NULL; |
| |
| for (alignment = 8; |
| alignment <= MAXALIGN; |
| alignment <<= 1) { |
| total = 0; |
| for (sz = 1; |
| sz < 3 * alignment && sz < (1U << 31); |
| sz += (alignment >> (LG_SIZEOF_PTR-1)) - 1) { |
| for (i = 0; i < NITER; i++) { |
| nsz = nallocx(sz, MALLOCX_ALIGN(alignment) | |
| MALLOCX_ZERO); |
| assert_zu_ne(nsz, 0, |
| "nallocx() error for alignment=%zu, " |
| "size=%zu (%#zx)", alignment, sz, sz); |
| ps[i] = mallocx(sz, MALLOCX_ALIGN(alignment) | |
| MALLOCX_ZERO); |
| assert_ptr_not_null(ps[i], |
| "mallocx() error for alignment=%zu, " |
| "size=%zu (%#zx)", alignment, sz, sz); |
| rsz = sallocx(ps[i], 0); |
| assert_zu_ge(rsz, sz, |
| "Real size smaller than expected for " |
| "alignment=%zu, size=%zu", alignment, sz); |
| assert_zu_eq(nsz, rsz, |
| "nallocx()/sallocx() size mismatch for " |
| "alignment=%zu, size=%zu", alignment, sz); |
| assert_ptr_null( |
| (void *)((uintptr_t)ps[i] & (alignment-1)), |
| "%p inadequately aligned for" |
| " alignment=%zu, size=%zu", ps[i], |
| alignment, sz); |
| total += rsz; |
| if (total >= (MAXALIGN << 1)) |
| break; |
| } |
| for (i = 0; i < NITER; i++) { |
| if (ps[i] != NULL) { |
| dallocx(ps[i], 0); |
| ps[i] = NULL; |
| } |
| } |
| } |
| } |
| #undef MAXALIGN |
| #undef NITER |
| } |
| TEST_END |
| |
| int |
| main(void) |
| { |
| |
| return (test( |
| test_basic, |
| test_alignment_and_size)); |
| } |