diff options
Diffstat (limited to 'deps/jemalloc/test/integration/mallocx.c')
| -rwxr-xr-x[-rw-r--r--] | deps/jemalloc/test/integration/mallocx.c | 106 |
1 files changed, 79 insertions, 27 deletions
diff --git a/deps/jemalloc/test/integration/mallocx.c b/deps/jemalloc/test/integration/mallocx.c index 6253175d6..d709eb301 100644..100755 --- a/deps/jemalloc/test/integration/mallocx.c +++ b/deps/jemalloc/test/integration/mallocx.c @@ -1,5 +1,9 @@ #include "test/jemalloc_test.h" +#ifdef JEMALLOC_FILL +const char *malloc_conf = "junk:false"; +#endif + static unsigned get_nsizes_impl(const char *cmd) { @@ -7,7 +11,7 @@ get_nsizes_impl(const char *cmd) size_t z; z = sizeof(unsigned); - assert_d_eq(mallctl(cmd, &ret, &z, NULL, 0), 0, + assert_d_eq(mallctl(cmd, (void *)&ret, &z, NULL, 0), 0, "Unexpected mallctl(\"%s\", ...) failure", cmd); return (ret); @@ -33,7 +37,7 @@ get_size_impl(const char *cmd, size_t ind) 0, "Unexpected mallctlnametomib(\"%s\", ...) failure", cmd); mib[2] = ind; z = sizeof(size_t); - assert_d_eq(mallctlbymib(mib, miblen, &ret, &z, NULL, 0), + assert_d_eq(mallctlbymib(mib, miblen, (void *)&ret, &z, NULL, 0), 0, "Unexpected mallctlbymib([\"%s\", %zu], ...) failure", cmd, ind); return (ret); @@ -46,43 +50,84 @@ get_huge_size(size_t ind) return (get_size_impl("arenas.hchunk.0.size", ind)); } -TEST_BEGIN(test_oom) +/* + * On systems which can't merge extents, tests that call this function generate + * a lot of dirty memory very quickly. Purging between cycles mitigates + * potential OOM on e.g. 32-bit Windows. + */ +static void +purge(void) { - size_t hugemax, size, alignment; + + assert_d_eq(mallctl("arena.0.purge", NULL, NULL, NULL, 0), 0, + "Unexpected mallctl error"); +} + +TEST_BEGIN(test_overflow) +{ + size_t hugemax; hugemax = get_huge_size(get_nhuge()-1); + assert_ptr_null(mallocx(hugemax+1, 0), + "Expected OOM for mallocx(size=%#zx, 0)", hugemax+1); + + assert_ptr_null(mallocx(ZU(PTRDIFF_MAX)+1, 0), + "Expected OOM for mallocx(size=%#zx, 0)", ZU(PTRDIFF_MAX)+1); + + assert_ptr_null(mallocx(SIZE_T_MAX, 0), + "Expected OOM for mallocx(size=%#zx, 0)", SIZE_T_MAX); + + assert_ptr_null(mallocx(1, MALLOCX_ALIGN(ZU(PTRDIFF_MAX)+1)), + "Expected OOM for mallocx(size=1, MALLOCX_ALIGN(%#zx))", + ZU(PTRDIFF_MAX)+1); +} +TEST_END + +TEST_BEGIN(test_oom) +{ + size_t hugemax; + bool oom; + void *ptrs[3]; + unsigned i; + /* - * It should be impossible to allocate two objects that each consume - * more than half the virtual address space. + * It should be impossible to allocate three objects that each consume + * nearly half the virtual address space. */ - { - void *p; - - p = mallocx(hugemax, 0); - if (p != NULL) { - assert_ptr_null(mallocx(hugemax, 0), - "Expected OOM for mallocx(size=%#zx, 0)", hugemax); - dallocx(p, 0); - } + hugemax = get_huge_size(get_nhuge()-1); + oom = false; + for (i = 0; i < sizeof(ptrs) / sizeof(void *); i++) { + ptrs[i] = mallocx(hugemax, 0); + if (ptrs[i] == NULL) + oom = true; + } + assert_true(oom, + "Expected OOM during series of calls to mallocx(size=%zu, 0)", + hugemax); + for (i = 0; i < sizeof(ptrs) / sizeof(void *); i++) { + if (ptrs[i] != NULL) + dallocx(ptrs[i], 0); } + purge(); #if LG_SIZEOF_PTR == 3 - size = ZU(0x8000000000000000); - alignment = ZU(0x8000000000000000); + assert_ptr_null(mallocx(0x8000000000000000ULL, + MALLOCX_ALIGN(0x8000000000000000ULL)), + "Expected OOM for mallocx()"); + assert_ptr_null(mallocx(0x8000000000000000ULL, + MALLOCX_ALIGN(0x80000000)), + "Expected OOM for mallocx()"); #else - size = ZU(0x80000000); - alignment = ZU(0x80000000); + assert_ptr_null(mallocx(0x80000000UL, MALLOCX_ALIGN(0x80000000UL)), + "Expected OOM for mallocx()"); #endif - assert_ptr_null(mallocx(size, MALLOCX_ALIGN(alignment)), - "Expected OOM for mallocx(size=%#zx, MALLOCX_ALIGN(%#zx)", size, - alignment); } TEST_END TEST_BEGIN(test_basic) { -#define MAXSZ (((size_t)1) << 26) +#define MAXSZ (((size_t)1) << 23) size_t sz; for (sz = 1; sz < MAXSZ; sz = nallocx(sz, 0) + 1) { @@ -91,23 +136,28 @@ TEST_BEGIN(test_basic) nsz = nallocx(sz, 0); assert_zu_ne(nsz, 0, "Unexpected nallocx() error"); p = mallocx(sz, 0); - assert_ptr_not_null(p, "Unexpected mallocx() error"); + assert_ptr_not_null(p, + "Unexpected mallocx(size=%zx, flags=0) error", sz); 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"); + assert_ptr_not_null(p, + "Unexpected mallocx(size=%zx, flags=0) error", sz); 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"); + assert_ptr_not_null(p, + "Unexpected mallocx(size=%zx, flags=MALLOCX_ZERO) error", + nsz); rsz = sallocx(p, 0); assert_zu_eq(nsz, rsz, "nallocx()/sallocx() rsize mismatch"); dallocx(p, 0); + purge(); } #undef MAXSZ } @@ -115,7 +165,7 @@ TEST_END TEST_BEGIN(test_alignment_and_size) { -#define MAXALIGN (((size_t)1) << 25) +#define MAXALIGN (((size_t)1) << 23) #define NITER 4 size_t nsz, rsz, sz, alignment, total; unsigned i; @@ -165,6 +215,7 @@ TEST_BEGIN(test_alignment_and_size) } } } + purge(); } #undef MAXALIGN #undef NITER @@ -176,6 +227,7 @@ main(void) { return (test( + test_overflow, test_oom, test_basic, test_alignment_and_size)); |