60 lines
2.1 KiB
C++
60 lines
2.1 KiB
C++
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// Copyright (C) 2011 Milo Yip
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//
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// Permission is hereby granted, free of charge, to any person obtaining a copy
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// of this software and associated documentation files (the "Software"), to deal
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// in the Software without restriction, including without limitation the rights
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// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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// copies of the Software, and to permit persons to whom the Software is
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// furnished to do so, subject to the following conditions:
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//
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// The above copyright notice and this permission notice shall be included in
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// all copies or substantial portions of the Software.
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//
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// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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// THE SOFTWARE.
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// Since Travis CI installs old Valgrind 3.7.0, which fails with some SSE4.2
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// The unit tests prefix with SIMD should be skipped by Valgrind test
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// __SSE2__ and __SSE4_2__ are recognized by gcc, clang, and the Intel compiler.
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// We use -march=native with gmake to enable -msse2 and -msse4.2, if supported.
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#if defined(__SSE4_2__)
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# define RAPIDJSON_SSE42
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#elif defined(__SSE2__)
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# define RAPIDJSON_SSE2
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#endif
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#include "unittest.h"
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#include "rapidjson/reader.h"
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using namespace rapidjson;
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#ifdef RAPIDJSON_SSE2
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#define SIMD_SUFFIX(name) name##_SSE2
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#elif defined(RAPIDJSON_SSE42)
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#define SIMD_SUFFIX(name) name##_SSE42
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#else
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#define SIMD_SUFFIX(name) name
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#endif
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TEST(SIMD, SIMD_SUFFIX(SkipWhitespace)) {
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char buffer[258];
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for (size_t i = 0; i < 256; i++)
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buffer[i] = " \t\r\n"[i % 4];
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buffer[256] = 'X';
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buffer[257] = '\0';
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// Try to start from different position, to test different memory alignments
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for (size_t i = 0; i < 256; i++) {
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StringStream s(buffer + i);
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SkipWhitespace(s);
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EXPECT_EQ('X', s.Peek());
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}
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}
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