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
32using 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
42template <typename StreamType>
43void 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
65TEST(SIMD, SIMD_SUFFIX(SkipWhitespace)) {
66    TestSkipWhitespace<StringStream>();
67    TestSkipWhitespace<InsituStringStream>();
68}
69