1 /*
2 * Copyright (C) 2019 The Android Open Source Project
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * * Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * * Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in
12 * the documentation and/or other materials provided with the
13 * distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #include <gtest/gtest.h>
30
31 #include "linker_gnu_hash.h"
32
TEST(linker_gnu_hash,compare_neon_to_simple)33 TEST(linker_gnu_hash, compare_neon_to_simple) {
34 #if USE_GNU_HASH_NEON
35 auto check_input = [&](const char* name) {
36 auto expected = calculate_gnu_hash_simple(name);
37 auto actual = calculate_gnu_hash_neon(name);
38 EXPECT_EQ(expected.first, actual.first) << name;
39 EXPECT_EQ(expected.second, actual.second) << name;
40 };
41
42 __attribute__((aligned(8))) const char test1[] = "abcdefghijklmnop\0qrstuvwxyz";
43 for (size_t i = 0; i < sizeof(test1) - 1; ++i) {
44 check_input(&test1[i]);
45 }
46
47 __attribute__((aligned(8))) const char test2[] = "abcdefghijklmnopqrs\0tuvwxyz";
48 for (size_t i = 0; i < sizeof(test2) - 1; ++i) {
49 check_input(&test2[i]);
50 }
51
52 __attribute__((aligned(8))) const char test3[] = "abcdefghijklmnopqrstuv\0wxyz";
53 for (size_t i = 0; i < sizeof(test3) - 1; ++i) {
54 check_input(&test3[i]);
55 }
56 #else
57 GTEST_SKIP() << "This test is only implemented on arm/arm64";
58 #endif
59 }
60