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authorwolfbeast <mcwerewolf@gmail.com>2018-04-28 17:55:46 +0200
committerwolfbeast <mcwerewolf@gmail.com>2018-04-28 17:57:05 +0200
commitb53db93006f732fb2e140137e4713dedca1700d9 (patch)
treea2c1817c0fa6dd40d7da600148db70566e3a359d /memory/jemalloc/src/test/integration/rallocx.c
parentdb4b6dc1dab3dd099c93253b96fbe8089c2f9e60 (diff)
parentf7b98c15a1c0a458b4bfa420f1743c8abfbdf7a8 (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.c259
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));
-}