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+// Tencent is pleased to support the open source community by making RapidJSON available.
+//
+// Copyright (C) 2015 THL A29 Limited, a Tencent company, and Milo Yip. All rights reserved.
+//
+// Licensed under the MIT License (the "License"); you may not use this file except
+// in compliance with the License. You may obtain a copy of the License at
+//
+// http://opensource.org/licenses/MIT
+//
+// Unless required by applicable law or agreed to in writing, software distributed
+// under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR
+// CONDITIONS OF ANY KIND, either express or implied. See the License for the
+// specific language governing permissions and limitations under the License.
+
+// Since Travis CI installs old Valgrind 3.7.0, which fails with some SSE4.2
+// The unit tests prefix with SIMD should be skipped by Valgrind test
+
+// __SSE2__ and __SSE4_2__ are recognized by gcc, clang, and the Intel compiler.
+// We use -march=native with gmake to enable -msse2 and -msse4.2, if supported.
+#if defined(__SSE4_2__)
+# define RAPIDJSON_SSE42
+#elif defined(__SSE2__)
+# define RAPIDJSON_SSE2
+#endif
+
+#define RAPIDJSON_NAMESPACE rapidjson_simd
+
+#include "unittest.h"
+
+#include "rapidjson/reader.h"
+#include "rapidjson/writer.h"
+
+#ifdef __GNUC__
+RAPIDJSON_DIAG_PUSH
+RAPIDJSON_DIAG_OFF(effc++)
+#endif
+
+using namespace rapidjson_simd;
+
+#ifdef RAPIDJSON_SSE2
+#define SIMD_SUFFIX(name) name##_SSE2
+#elif defined(RAPIDJSON_SSE42)
+#define SIMD_SUFFIX(name) name##_SSE42
+#else
+#define SIMD_SUFFIX(name) name
+#endif
+
+template <typename StreamType>
+void TestSkipWhitespace() {
+ for (size_t step = 1; step < 32; step++) {
+ char buffer[1025];
+ for (size_t i = 0; i < 1024; i++)
+ buffer[i] = " \t\r\n"[i % 4];
+ for (size_t i = 0; i < 1024; i += step)
+ buffer[i] = 'X';
+ buffer[1024] = '\0';
+
+ StreamType s(buffer);
+ size_t i = 0;
+ for (;;) {
+ SkipWhitespace(s);
+ if (s.Peek() == '\0')
+ break;
+ EXPECT_EQ(i, s.Tell());
+ EXPECT_EQ('X', s.Take());
+ i += step;
+ }
+ }
+}
+
+TEST(SIMD, SIMD_SUFFIX(SkipWhitespace)) {
+ TestSkipWhitespace<StringStream>();
+ TestSkipWhitespace<InsituStringStream>();
+}
+
+TEST(SIMD, SIMD_SUFFIX(SkipWhitespace_EncodedMemoryStream)) {
+ for (size_t step = 1; step < 32; step++) {
+ char buffer[1024];
+ for (size_t i = 0; i < 1024; i++)
+ buffer[i] = " \t\r\n"[i % 4];
+ for (size_t i = 0; i < 1024; i += step)
+ buffer[i] = 'X';
+
+ MemoryStream ms(buffer, 1024);
+ EncodedInputStream<UTF8<>, MemoryStream> s(ms);
+ size_t i = 0;
+ for (;;) {
+ SkipWhitespace(s);
+ if (s.Peek() == '\0')
+ break;
+ //EXPECT_EQ(i, s.Tell());
+ EXPECT_EQ('X', s.Take());
+ i += step;
+ }
+ }
+}
+
+struct ScanCopyUnescapedStringHandler : BaseReaderHandler<UTF8<>, ScanCopyUnescapedStringHandler> {
+ bool String(const char* str, size_t length, bool) {
+ memcpy(buffer, str, length + 1);
+ return true;
+ }
+ char buffer[1024 + 5 + 32];
+};
+
+template <unsigned parseFlags, typename StreamType>
+void TestScanCopyUnescapedString() {
+ char buffer[1024 + 5 + 32];
+ char backup[1024 + 5 + 32];
+
+ // Test "ABCDABCD...\\"
+ for (size_t offset = 0; offset < 32; offset++) {
+ for (size_t step = 0; step < 1024; step++) {
+ char* json = buffer + offset;
+ char *p = json;
+ *p++ = '\"';
+ for (size_t i = 0; i < step; i++)
+ *p++ = "ABCD"[i % 4];
+ *p++ = '\\';
+ *p++ = '\\';
+ *p++ = '\"';
+ *p++ = '\0';
+ strcpy(backup, json); // insitu parsing will overwrite buffer, so need to backup first
+
+ StreamType s(json);
+ Reader reader;
+ ScanCopyUnescapedStringHandler h;
+ reader.Parse<parseFlags>(s, h);
+ EXPECT_TRUE(memcmp(h.buffer, backup + 1, step) == 0);
+ EXPECT_EQ('\\', h.buffer[step]); // escaped
+ EXPECT_EQ('\0', h.buffer[step + 1]);
+ }
+ }
+
+ // Test "\\ABCDABCD..."
+ for (size_t offset = 0; offset < 32; offset++) {
+ for (size_t step = 0; step < 1024; step++) {
+ char* json = buffer + offset;
+ char *p = json;
+ *p++ = '\"';
+ *p++ = '\\';
+ *p++ = '\\';
+ for (size_t i = 0; i < step; i++)
+ *p++ = "ABCD"[i % 4];
+ *p++ = '\"';
+ *p++ = '\0';
+ strcpy(backup, json); // insitu parsing will overwrite buffer, so need to backup first
+
+ StreamType s(json);
+ Reader reader;
+ ScanCopyUnescapedStringHandler h;
+ reader.Parse<parseFlags>(s, h);
+ EXPECT_TRUE(memcmp(h.buffer + 1, backup + 3, step) == 0);
+ EXPECT_EQ('\\', h.buffer[0]); // escaped
+ EXPECT_EQ('\0', h.buffer[step + 1]);
+ }
+ }
+}
+
+TEST(SIMD, SIMD_SUFFIX(ScanCopyUnescapedString)) {
+ TestScanCopyUnescapedString<kParseDefaultFlags, StringStream>();
+ TestScanCopyUnescapedString<kParseInsituFlag, InsituStringStream>();
+}
+
+TEST(SIMD, SIMD_SUFFIX(ScanWriteUnescapedString)) {
+ char buffer[2048 + 1 + 32];
+ for (size_t offset = 0; offset < 32; offset++) {
+ for (size_t step = 0; step < 1024; step++) {
+ char* s = buffer + offset;
+ char* p = s;
+ for (size_t i = 0; i < step; i++)
+ *p++ = "ABCD"[i % 4];
+ char escape = "\0\n\\\""[step % 4];
+ *p++ = escape;
+ for (size_t i = 0; i < step; i++)
+ *p++ = "ABCD"[i % 4];
+
+ StringBuffer sb;
+ Writer<StringBuffer> writer(sb);
+ writer.String(s, SizeType(step * 2 + 1));
+ const char* q = sb.GetString();
+ EXPECT_EQ('\"', *q++);
+ for (size_t i = 0; i < step; i++)
+ EXPECT_EQ("ABCD"[i % 4], *q++);
+ if (escape == '\0') {
+ EXPECT_EQ('\\', *q++);
+ EXPECT_EQ('u', *q++);
+ EXPECT_EQ('0', *q++);
+ EXPECT_EQ('0', *q++);
+ EXPECT_EQ('0', *q++);
+ EXPECT_EQ('0', *q++);
+ }
+ else if (escape == '\n') {
+ EXPECT_EQ('\\', *q++);
+ EXPECT_EQ('n', *q++);
+ }
+ else if (escape == '\\') {
+ EXPECT_EQ('\\', *q++);
+ EXPECT_EQ('\\', *q++);
+ }
+ else if (escape == '\"') {
+ EXPECT_EQ('\\', *q++);
+ EXPECT_EQ('\"', *q++);
+ }
+ for (size_t i = 0; i < step; i++)
+ EXPECT_EQ("ABCD"[i % 4], *q++);
+ EXPECT_EQ('\"', *q++);
+ EXPECT_EQ('\0', *q++);
+ }
+ }
+}
+
+#ifdef __GNUC__
+RAPIDJSON_DIAG_POP
+#endif
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