1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
|
// 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
|
