diff options
Diffstat (limited to 'memory/jemalloc/src/test/unit/hash.c')
| -rw-r--r-- | memory/jemalloc/src/test/unit/hash.c | 185 |
1 files changed, 0 insertions, 185 deletions
diff --git a/memory/jemalloc/src/test/unit/hash.c b/memory/jemalloc/src/test/unit/hash.c deleted file mode 100644 index 010c9d76fd..0000000000 --- a/memory/jemalloc/src/test/unit/hash.c +++ /dev/null @@ -1,185 +0,0 @@ -/* - * This file is based on code that is part of SMHasher - * (https://code.google.com/p/smhasher/), and is subject to the MIT license - * (http://www.opensource.org/licenses/mit-license.php). Both email addresses - * associated with the source code's revision history belong to Austin Appleby, - * and the revision history ranges from 2010 to 2012. Therefore the copyright - * and license are here taken to be: - * - * Copyright (c) 2010-2012 Austin Appleby - * - * Permission is hereby granted, free of charge, to any person obtaining a copy - * of this software and associated documentation files (the "Software"), to deal - * in the Software without restriction, including without limitation the rights - * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell - * copies of the Software, and to permit persons to whom the Software is - * furnished to do so, subject to the following conditions: - * - * The above copyright notice and this permission notice shall be included in - * all copies or substantial portions of the Software. - * - * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR - * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, - * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE - * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER - * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, - * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN - * THE SOFTWARE. - */ - -#include "test/jemalloc_test.h" - -typedef enum { - hash_variant_x86_32, - hash_variant_x86_128, - hash_variant_x64_128 -} hash_variant_t; - -static int -hash_variant_bits(hash_variant_t variant) -{ - - switch (variant) { - case hash_variant_x86_32: return (32); - case hash_variant_x86_128: return (128); - case hash_variant_x64_128: return (128); - default: not_reached(); - } -} - -static const char * -hash_variant_string(hash_variant_t variant) -{ - - switch (variant) { - case hash_variant_x86_32: return ("hash_x86_32"); - case hash_variant_x86_128: return ("hash_x86_128"); - case hash_variant_x64_128: return ("hash_x64_128"); - default: not_reached(); - } -} - -#define KEY_SIZE 256 -static void -hash_variant_verify_key(hash_variant_t variant, uint8_t *key) -{ - const int hashbytes = hash_variant_bits(variant) / 8; - const int hashes_size = hashbytes * 256; - VARIABLE_ARRAY(uint8_t, hashes, hashes_size); - VARIABLE_ARRAY(uint8_t, final, hashbytes); - unsigned i; - uint32_t computed, expected; - - memset(key, 0, KEY_SIZE); - memset(hashes, 0, hashes_size); - memset(final, 0, hashbytes); - - /* - * Hash keys of the form {0}, {0,1}, {0,1,2}, ..., {0,1,...,255} as the - * seed. - */ - for (i = 0; i < 256; i++) { - key[i] = (uint8_t)i; - switch (variant) { - case hash_variant_x86_32: { - uint32_t out; - out = hash_x86_32(key, i, 256-i); - memcpy(&hashes[i*hashbytes], &out, hashbytes); - break; - } case hash_variant_x86_128: { - uint64_t out[2]; - hash_x86_128(key, i, 256-i, out); - memcpy(&hashes[i*hashbytes], out, hashbytes); - break; - } case hash_variant_x64_128: { - uint64_t out[2]; - hash_x64_128(key, i, 256-i, out); - memcpy(&hashes[i*hashbytes], out, hashbytes); - break; - } default: not_reached(); - } - } - - /* Hash the result array. */ - switch (variant) { - case hash_variant_x86_32: { - uint32_t out = hash_x86_32(hashes, hashes_size, 0); - memcpy(final, &out, sizeof(out)); - break; - } case hash_variant_x86_128: { - uint64_t out[2]; - hash_x86_128(hashes, hashes_size, 0, out); - memcpy(final, out, sizeof(out)); - break; - } case hash_variant_x64_128: { - uint64_t out[2]; - hash_x64_128(hashes, hashes_size, 0, out); - memcpy(final, out, sizeof(out)); - break; - } default: not_reached(); - } - - computed = (final[0] << 0) | (final[1] << 8) | (final[2] << 16) | - (final[3] << 24); - - switch (variant) { -#ifdef JEMALLOC_BIG_ENDIAN - case hash_variant_x86_32: expected = 0x6213303eU; break; - case hash_variant_x86_128: expected = 0x266820caU; break; - case hash_variant_x64_128: expected = 0xcc622b6fU; break; -#else - case hash_variant_x86_32: expected = 0xb0f57ee3U; break; - case hash_variant_x86_128: expected = 0xb3ece62aU; break; - case hash_variant_x64_128: expected = 0x6384ba69U; break; -#endif - default: not_reached(); - } - - assert_u32_eq(computed, expected, - "Hash mismatch for %s(): expected %#x but got %#x", - hash_variant_string(variant), expected, computed); -} - -static void -hash_variant_verify(hash_variant_t variant) -{ -#define MAX_ALIGN 16 - uint8_t key[KEY_SIZE + (MAX_ALIGN - 1)]; - unsigned i; - - for (i = 0; i < MAX_ALIGN; i++) - hash_variant_verify_key(variant, &key[i]); -#undef MAX_ALIGN -} -#undef KEY_SIZE - -TEST_BEGIN(test_hash_x86_32) -{ - - hash_variant_verify(hash_variant_x86_32); -} -TEST_END - -TEST_BEGIN(test_hash_x86_128) -{ - - hash_variant_verify(hash_variant_x86_128); -} -TEST_END - -TEST_BEGIN(test_hash_x64_128) -{ - - hash_variant_verify(hash_variant_x64_128); -} -TEST_END - -int -main(void) -{ - - return (test( - test_hash_x86_32, - test_hash_x86_128, - test_hash_x64_128)); -} |