diff options
Diffstat (limited to 'memory/jemalloc/src/test/unit/size_classes.c')
-rw-r--r-- | memory/jemalloc/src/test/unit/size_classes.c | 184 |
1 files changed, 0 insertions, 184 deletions
diff --git a/memory/jemalloc/src/test/unit/size_classes.c b/memory/jemalloc/src/test/unit/size_classes.c deleted file mode 100644 index 4e1e0ce4f..000000000 --- a/memory/jemalloc/src/test/unit/size_classes.c +++ /dev/null @@ -1,184 +0,0 @@ -#include "test/jemalloc_test.h" - -static size_t -get_max_size_class(void) -{ - unsigned nhchunks; - size_t mib[4]; - size_t sz, miblen, max_size_class; - - sz = sizeof(unsigned); - assert_d_eq(mallctl("arenas.nhchunks", &nhchunks, &sz, NULL, 0), 0, - "Unexpected mallctl() error"); - - miblen = sizeof(mib) / sizeof(size_t); - assert_d_eq(mallctlnametomib("arenas.hchunk.0.size", mib, &miblen), 0, - "Unexpected mallctlnametomib() error"); - mib[2] = nhchunks - 1; - - sz = sizeof(size_t); - assert_d_eq(mallctlbymib(mib, miblen, &max_size_class, &sz, NULL, 0), 0, - "Unexpected mallctlbymib() error"); - - return (max_size_class); -} - -TEST_BEGIN(test_size_classes) -{ - size_t size_class, max_size_class; - szind_t index, max_index; - - max_size_class = get_max_size_class(); - max_index = size2index(max_size_class); - - for (index = 0, size_class = index2size(index); index < max_index || - size_class < max_size_class; index++, size_class = - index2size(index)) { - assert_true(index < max_index, - "Loop conditionals should be equivalent; index=%u, " - "size_class=%zu (%#zx)", index, size_class, size_class); - assert_true(size_class < max_size_class, - "Loop conditionals should be equivalent; index=%u, " - "size_class=%zu (%#zx)", index, size_class, size_class); - - assert_u_eq(index, size2index(size_class), - "size2index() does not reverse index2size(): index=%u -->" - " size_class=%zu --> index=%u --> size_class=%zu", index, - size_class, size2index(size_class), - index2size(size2index(size_class))); - assert_zu_eq(size_class, index2size(size2index(size_class)), - "index2size() does not reverse size2index(): index=%u -->" - " size_class=%zu --> index=%u --> size_class=%zu", index, - size_class, size2index(size_class), - index2size(size2index(size_class))); - - assert_u_eq(index+1, size2index(size_class+1), - "Next size_class does not round up properly"); - - assert_zu_eq(size_class, (index > 0) ? - s2u(index2size(index-1)+1) : s2u(1), - "s2u() does not round up to size class"); - assert_zu_eq(size_class, s2u(size_class-1), - "s2u() does not round up to size class"); - assert_zu_eq(size_class, s2u(size_class), - "s2u() does not compute same size class"); - assert_zu_eq(s2u(size_class+1), index2size(index+1), - "s2u() does not round up to next size class"); - } - - assert_u_eq(index, size2index(index2size(index)), - "size2index() does not reverse index2size()"); - assert_zu_eq(max_size_class, index2size(size2index(max_size_class)), - "index2size() does not reverse size2index()"); - - assert_zu_eq(size_class, s2u(index2size(index-1)+1), - "s2u() does not round up to size class"); - assert_zu_eq(size_class, s2u(size_class-1), - "s2u() does not round up to size class"); - assert_zu_eq(size_class, s2u(size_class), - "s2u() does not compute same size class"); -} -TEST_END - -TEST_BEGIN(test_psize_classes) -{ - size_t size_class, max_size_class; - pszind_t pind, max_pind; - - max_size_class = get_max_size_class(); - max_pind = psz2ind(max_size_class); - - for (pind = 0, size_class = pind2sz(pind); pind < max_pind || - size_class < max_size_class; pind++, size_class = - pind2sz(pind)) { - assert_true(pind < max_pind, - "Loop conditionals should be equivalent; pind=%u, " - "size_class=%zu (%#zx)", pind, size_class, size_class); - assert_true(size_class < max_size_class, - "Loop conditionals should be equivalent; pind=%u, " - "size_class=%zu (%#zx)", pind, size_class, size_class); - - assert_u_eq(pind, psz2ind(size_class), - "psz2ind() does not reverse pind2sz(): pind=%u -->" - " size_class=%zu --> pind=%u --> size_class=%zu", pind, - size_class, psz2ind(size_class), - pind2sz(psz2ind(size_class))); - assert_zu_eq(size_class, pind2sz(psz2ind(size_class)), - "pind2sz() does not reverse psz2ind(): pind=%u -->" - " size_class=%zu --> pind=%u --> size_class=%zu", pind, - size_class, psz2ind(size_class), - pind2sz(psz2ind(size_class))); - - assert_u_eq(pind+1, psz2ind(size_class+1), - "Next size_class does not round up properly"); - - assert_zu_eq(size_class, (pind > 0) ? - psz2u(pind2sz(pind-1)+1) : psz2u(1), - "psz2u() does not round up to size class"); - assert_zu_eq(size_class, psz2u(size_class-1), - "psz2u() does not round up to size class"); - assert_zu_eq(size_class, psz2u(size_class), - "psz2u() does not compute same size class"); - assert_zu_eq(psz2u(size_class+1), pind2sz(pind+1), - "psz2u() does not round up to next size class"); - } - - assert_u_eq(pind, psz2ind(pind2sz(pind)), - "psz2ind() does not reverse pind2sz()"); - assert_zu_eq(max_size_class, pind2sz(psz2ind(max_size_class)), - "pind2sz() does not reverse psz2ind()"); - - assert_zu_eq(size_class, psz2u(pind2sz(pind-1)+1), - "psz2u() does not round up to size class"); - assert_zu_eq(size_class, psz2u(size_class-1), - "psz2u() does not round up to size class"); - assert_zu_eq(size_class, psz2u(size_class), - "psz2u() does not compute same size class"); -} -TEST_END - -TEST_BEGIN(test_overflow) -{ - size_t max_size_class; - - max_size_class = get_max_size_class(); - - assert_u_eq(size2index(max_size_class+1), NSIZES, - "size2index() should return NSIZES on overflow"); - assert_u_eq(size2index(ZU(PTRDIFF_MAX)+1), NSIZES, - "size2index() should return NSIZES on overflow"); - assert_u_eq(size2index(SIZE_T_MAX), NSIZES, - "size2index() should return NSIZES on overflow"); - - assert_zu_eq(s2u(max_size_class+1), 0, - "s2u() should return 0 for unsupported size"); - assert_zu_eq(s2u(ZU(PTRDIFF_MAX)+1), 0, - "s2u() should return 0 for unsupported size"); - assert_zu_eq(s2u(SIZE_T_MAX), 0, - "s2u() should return 0 on overflow"); - - assert_u_eq(psz2ind(max_size_class+1), NPSIZES, - "psz2ind() should return NPSIZES on overflow"); - assert_u_eq(psz2ind(ZU(PTRDIFF_MAX)+1), NPSIZES, - "psz2ind() should return NPSIZES on overflow"); - assert_u_eq(psz2ind(SIZE_T_MAX), NPSIZES, - "psz2ind() should return NPSIZES on overflow"); - - assert_zu_eq(psz2u(max_size_class+1), 0, - "psz2u() should return 0 for unsupported size"); - assert_zu_eq(psz2u(ZU(PTRDIFF_MAX)+1), 0, - "psz2u() should return 0 for unsupported size"); - assert_zu_eq(psz2u(SIZE_T_MAX), 0, - "psz2u() should return 0 on overflow"); -} -TEST_END - -int -main(void) -{ - - return (test( - test_size_classes, - test_psize_classes, - test_overflow)); -} |