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author | wolfbeast <mcwerewolf@gmail.com> | 2018-04-28 17:55:46 +0200 |
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committer | wolfbeast <mcwerewolf@gmail.com> | 2018-04-28 17:57:05 +0200 |
commit | b53db93006f732fb2e140137e4713dedca1700d9 (patch) | |
tree | a2c1817c0fa6dd40d7da600148db70566e3a359d /memory/jemalloc/src/test/integration/rallocx.c | |
parent | db4b6dc1dab3dd099c93253b96fbe8089c2f9e60 (diff) | |
parent | f7b98c15a1c0a458b4bfa420f1743c8abfbdf7a8 (diff) | |
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Merge branch 'malloc-rewrite'
This resolves #263.
Diffstat (limited to 'memory/jemalloc/src/test/integration/rallocx.c')
-rw-r--r-- | memory/jemalloc/src/test/integration/rallocx.c | 259 |
1 files changed, 0 insertions, 259 deletions
diff --git a/memory/jemalloc/src/test/integration/rallocx.c b/memory/jemalloc/src/test/integration/rallocx.c deleted file mode 100644 index 66ad8660a..000000000 --- a/memory/jemalloc/src/test/integration/rallocx.c +++ /dev/null @@ -1,259 +0,0 @@ -#include "test/jemalloc_test.h" - -static unsigned -get_nsizes_impl(const char *cmd) -{ - unsigned ret; - size_t z; - - z = sizeof(unsigned); - assert_d_eq(mallctl(cmd, &ret, &z, NULL, 0), 0, - "Unexpected mallctl(\"%s\", ...) failure", cmd); - - return (ret); -} - -static unsigned -get_nhuge(void) -{ - - return (get_nsizes_impl("arenas.nhchunks")); -} - -static size_t -get_size_impl(const char *cmd, size_t ind) -{ - size_t ret; - size_t z; - size_t mib[4]; - size_t miblen = 4; - - z = sizeof(size_t); - assert_d_eq(mallctlnametomib(cmd, mib, &miblen), - 0, "Unexpected mallctlnametomib(\"%s\", ...) failure", cmd); - mib[2] = ind; - z = sizeof(size_t); - assert_d_eq(mallctlbymib(mib, miblen, &ret, &z, NULL, 0), - 0, "Unexpected mallctlbymib([\"%s\", %zu], ...) failure", cmd, ind); - - return (ret); -} - -static size_t -get_huge_size(size_t ind) -{ - - return (get_size_impl("arenas.hchunk.0.size", ind)); -} - -TEST_BEGIN(test_grow_and_shrink) -{ - void *p, *q; - size_t tsz; -#define NCYCLES 3 - unsigned i, j; -#define NSZS 2500 - size_t szs[NSZS]; -#define MAXSZ ZU(12 * 1024 * 1024) - - p = mallocx(1, 0); - assert_ptr_not_null(p, "Unexpected mallocx() error"); - szs[0] = sallocx(p, 0); - - for (i = 0; i < NCYCLES; i++) { - for (j = 1; j < NSZS && szs[j-1] < MAXSZ; j++) { - q = rallocx(p, szs[j-1]+1, 0); - assert_ptr_not_null(q, - "Unexpected rallocx() error for size=%zu-->%zu", - szs[j-1], szs[j-1]+1); - szs[j] = sallocx(q, 0); - assert_zu_ne(szs[j], szs[j-1]+1, - "Expected size to be at least: %zu", szs[j-1]+1); - p = q; - } - - for (j--; j > 0; j--) { - q = rallocx(p, szs[j-1], 0); - assert_ptr_not_null(q, - "Unexpected rallocx() error for size=%zu-->%zu", - szs[j], szs[j-1]); - tsz = sallocx(q, 0); - assert_zu_eq(tsz, szs[j-1], - "Expected size=%zu, got size=%zu", szs[j-1], tsz); - p = q; - } - } - - dallocx(p, 0); -#undef MAXSZ -#undef NSZS -#undef NCYCLES -} -TEST_END - -static bool -validate_fill(const void *p, uint8_t c, size_t offset, size_t len) -{ - bool ret = false; - const uint8_t *buf = (const uint8_t *)p; - size_t i; - - for (i = 0; i < len; i++) { - uint8_t b = buf[offset+i]; - if (b != c) { - test_fail("Allocation at %p (len=%zu) contains %#x " - "rather than %#x at offset %zu", p, len, b, c, - offset+i); - ret = true; - } - } - - return (ret); -} - -TEST_BEGIN(test_zero) -{ - void *p, *q; - size_t psz, qsz, i, j; - size_t start_sizes[] = {1, 3*1024, 63*1024, 4095*1024}; -#define FILL_BYTE 0xaaU -#define RANGE 2048 - - for (i = 0; i < sizeof(start_sizes)/sizeof(size_t); i++) { - size_t start_size = start_sizes[i]; - p = mallocx(start_size, MALLOCX_ZERO); - assert_ptr_not_null(p, "Unexpected mallocx() error"); - psz = sallocx(p, 0); - - assert_false(validate_fill(p, 0, 0, psz), - "Expected zeroed memory"); - memset(p, FILL_BYTE, psz); - assert_false(validate_fill(p, FILL_BYTE, 0, psz), - "Expected filled memory"); - - for (j = 1; j < RANGE; j++) { - q = rallocx(p, start_size+j, MALLOCX_ZERO); - assert_ptr_not_null(q, "Unexpected rallocx() error"); - qsz = sallocx(q, 0); - if (q != p || qsz != psz) { - assert_false(validate_fill(q, FILL_BYTE, 0, - psz), "Expected filled memory"); - assert_false(validate_fill(q, 0, psz, qsz-psz), - "Expected zeroed memory"); - } - if (psz != qsz) { - memset((void *)((uintptr_t)q+psz), FILL_BYTE, - qsz-psz); - psz = qsz; - } - p = q; - } - assert_false(validate_fill(p, FILL_BYTE, 0, psz), - "Expected filled memory"); - dallocx(p, 0); - } -#undef FILL_BYTE -} -TEST_END - -TEST_BEGIN(test_align) -{ - void *p, *q; - size_t align; -#define MAX_ALIGN (ZU(1) << 25) - - align = ZU(1); - p = mallocx(1, MALLOCX_ALIGN(align)); - assert_ptr_not_null(p, "Unexpected mallocx() error"); - - for (align <<= 1; align <= MAX_ALIGN; align <<= 1) { - q = rallocx(p, 1, MALLOCX_ALIGN(align)); - assert_ptr_not_null(q, - "Unexpected rallocx() error for align=%zu", align); - assert_ptr_null( - (void *)((uintptr_t)q & (align-1)), - "%p inadequately aligned for align=%zu", - q, align); - p = q; - } - dallocx(p, 0); -#undef MAX_ALIGN -} -TEST_END - -TEST_BEGIN(test_lg_align_and_zero) -{ - void *p, *q; - unsigned lg_align; - size_t sz; -#define MAX_LG_ALIGN 25 -#define MAX_VALIDATE (ZU(1) << 22) - - lg_align = 0; - p = mallocx(1, MALLOCX_LG_ALIGN(lg_align)|MALLOCX_ZERO); - assert_ptr_not_null(p, "Unexpected mallocx() error"); - - for (lg_align++; lg_align <= MAX_LG_ALIGN; lg_align++) { - q = rallocx(p, 1, MALLOCX_LG_ALIGN(lg_align)|MALLOCX_ZERO); - assert_ptr_not_null(q, - "Unexpected rallocx() error for lg_align=%u", lg_align); - assert_ptr_null( - (void *)((uintptr_t)q & ((ZU(1) << lg_align)-1)), - "%p inadequately aligned for lg_align=%u", q, lg_align); - sz = sallocx(q, 0); - if ((sz << 1) <= MAX_VALIDATE) { - assert_false(validate_fill(q, 0, 0, sz), - "Expected zeroed memory"); - } else { - assert_false(validate_fill(q, 0, 0, MAX_VALIDATE), - "Expected zeroed memory"); - assert_false(validate_fill( - (void *)((uintptr_t)q+sz-MAX_VALIDATE), - 0, 0, MAX_VALIDATE), "Expected zeroed memory"); - } - p = q; - } - dallocx(p, 0); -#undef MAX_VALIDATE -#undef MAX_LG_ALIGN -} -TEST_END - -TEST_BEGIN(test_overflow) -{ - size_t hugemax; - void *p; - - hugemax = get_huge_size(get_nhuge()-1); - - p = mallocx(1, 0); - assert_ptr_not_null(p, "Unexpected mallocx() failure"); - - assert_ptr_null(rallocx(p, hugemax+1, 0), - "Expected OOM for rallocx(p, size=%#zx, 0)", hugemax+1); - - assert_ptr_null(rallocx(p, ZU(PTRDIFF_MAX)+1, 0), - "Expected OOM for rallocx(p, size=%#zx, 0)", ZU(PTRDIFF_MAX)+1); - - assert_ptr_null(rallocx(p, SIZE_T_MAX, 0), - "Expected OOM for rallocx(p, size=%#zx, 0)", SIZE_T_MAX); - - assert_ptr_null(rallocx(p, 1, MALLOCX_ALIGN(ZU(PTRDIFF_MAX)+1)), - "Expected OOM for rallocx(p, size=1, MALLOCX_ALIGN(%#zx))", - ZU(PTRDIFF_MAX)+1); - - dallocx(p, 0); -} -TEST_END - -int -main(void) -{ - - return (test( - test_grow_and_shrink, - test_zero, - test_align, - test_lg_align_and_zero, - test_overflow)); -} |