1 // Tencent is pleased to support the open source community by making RapidJSON available.
2 //
3 // Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
4 //
5 // Licensed under the MIT License (the "License"); you may not use this file except
6 // in compliance with the License. You may obtain a copy of the License at
7 //
8 // http://opensource.org/licenses/MIT
9 //
10 // Unless required by applicable law or agreed to in writing, software distributed
11 // under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
12 // CONDITIONS OF ANY KIND, either express or implied. See the License for the
13 // specific language governing permissions and limitations under the License.
14
15 // Since Travis CI installs old Valgrind 3.7.0, which fails with some SSE4.2
16 // The unit tests prefix with SIMD should be skipped by Valgrind test
17
18 // __SSE2__ and __SSE4_2__ are recognized by gcc, clang, and the Intel compiler.
19 // We use -march=native with gmake to enable -msse2 and -msse4.2, if supported.
20 #if defined(__SSE4_2__)
21 # define RAPIDJSON_SSE42
22 #elif defined(__SSE2__)
23 # define RAPIDJSON_SSE2
24 #endif
25
26 #define RAPIDJSON_NAMESPACE rapidjson_simd
27
28 #include "unittest.h"
29
30 #include "rapidjson/reader.h"
31
32 using namespace rapidjson_simd;
33
34 #ifdef RAPIDJSON_SSE2
35 #define SIMD_SUFFIX(name) name##_SSE2
36 #elif defined(RAPIDJSON_SSE42)
37 #define SIMD_SUFFIX(name) name##_SSE42
38 #else
39 #define SIMD_SUFFIX(name) name
40 #endif
41
42 template <typename StreamType>
TestSkipWhitespace()43 void TestSkipWhitespace() {
44 for (int step = 1; step < 32; step++) {
45 char buffer[1025];
46 for (size_t i = 0; i < 1024; i++)
47 buffer[i] = " \t\r\n"[i % 4];
48 for (size_t i = 0; i < 1024; i += step)
49 buffer[i] = 'X';
50 buffer[1024] = '\0';
51
52 StreamType s(buffer);
53 size_t i = 0;
54 for (;;) {
55 SkipWhitespace(s);
56 if (s.Peek() == '\0')
57 break;
58 EXPECT_EQ(i, s.Tell());
59 EXPECT_EQ('X', s.Take());
60 i += step;
61 }
62 }
63 }
64
TEST(SIMD,SIMD_SUFFIX (SkipWhitespace))65 TEST(SIMD, SIMD_SUFFIX(SkipWhitespace)) {
66 TestSkipWhitespace<StringStream>();
67 TestSkipWhitespace<InsituStringStream>();
68 }
69