|
83
|
1 //===- unittests/Support/EndianStreamTest.cpp - EndianStream.h tests ------===//
|
|
|
2 //
|
|
|
3 // The LLVM Compiler Infrastructure
|
|
|
4 //
|
|
|
5 // This file is distributed under the University of Illinois Open Source
|
|
|
6 // License. See LICENSE.TXT for details.
|
|
|
7 //
|
|
|
8 //===----------------------------------------------------------------------===//
|
|
|
9
|
|
121
|
10 #include "llvm/Support/EndianStream.h"
|
|
83
|
11 #include "llvm/ADT/SmallString.h"
|
|
|
12 #include "llvm/Support/DataTypes.h"
|
|
|
13 #include "gtest/gtest.h"
|
|
|
14 using namespace llvm;
|
|
|
15 using namespace support;
|
|
|
16
|
|
|
17 namespace {
|
|
|
18
|
|
|
19 TEST(EndianStream, WriteInt32LE) {
|
|
|
20 SmallString<16> data;
|
|
|
21
|
|
|
22 {
|
|
|
23 raw_svector_ostream OS(data);
|
|
|
24 endian::Writer<little> LE(OS);
|
|
|
25 LE.write(static_cast<int32_t>(-1362446643));
|
|
|
26 }
|
|
|
27
|
|
|
28 EXPECT_EQ(static_cast<uint8_t>(data[0]), 0xCD);
|
|
|
29 EXPECT_EQ(static_cast<uint8_t>(data[1]), 0xB6);
|
|
|
30 EXPECT_EQ(static_cast<uint8_t>(data[2]), 0xCA);
|
|
|
31 EXPECT_EQ(static_cast<uint8_t>(data[3]), 0xAE);
|
|
|
32 }
|
|
|
33
|
|
|
34 TEST(EndianStream, WriteInt32BE) {
|
|
|
35 SmallVector<char, 16> data;
|
|
|
36
|
|
|
37 {
|
|
|
38 raw_svector_ostream OS(data);
|
|
|
39 endian::Writer<big> BE(OS);
|
|
|
40 BE.write(static_cast<int32_t>(-1362446643));
|
|
|
41 }
|
|
|
42
|
|
|
43 EXPECT_EQ(static_cast<uint8_t>(data[0]), 0xAE);
|
|
|
44 EXPECT_EQ(static_cast<uint8_t>(data[1]), 0xCA);
|
|
|
45 EXPECT_EQ(static_cast<uint8_t>(data[2]), 0xB6);
|
|
|
46 EXPECT_EQ(static_cast<uint8_t>(data[3]), 0xCD);
|
|
|
47 }
|
|
|
48
|
|
|
49
|
|
|
50 TEST(EndianStream, WriteFloatLE) {
|
|
|
51 SmallString<16> data;
|
|
|
52
|
|
|
53 {
|
|
|
54 raw_svector_ostream OS(data);
|
|
|
55 endian::Writer<little> LE(OS);
|
|
|
56 LE.write(12345.0f);
|
|
|
57 }
|
|
|
58
|
|
|
59 EXPECT_EQ(static_cast<uint8_t>(data[0]), 0x00);
|
|
|
60 EXPECT_EQ(static_cast<uint8_t>(data[1]), 0xE4);
|
|
|
61 EXPECT_EQ(static_cast<uint8_t>(data[2]), 0x40);
|
|
|
62 EXPECT_EQ(static_cast<uint8_t>(data[3]), 0x46);
|
|
|
63 }
|
|
|
64
|
|
|
65 TEST(EndianStream, WriteFloatBE) {
|
|
|
66 SmallVector<char, 16> data;
|
|
|
67
|
|
|
68 {
|
|
|
69 raw_svector_ostream OS(data);
|
|
|
70 endian::Writer<big> BE(OS);
|
|
|
71 BE.write(12345.0f);
|
|
|
72 }
|
|
|
73
|
|
|
74 EXPECT_EQ(static_cast<uint8_t>(data[0]), 0x46);
|
|
|
75 EXPECT_EQ(static_cast<uint8_t>(data[1]), 0x40);
|
|
|
76 EXPECT_EQ(static_cast<uint8_t>(data[2]), 0xE4);
|
|
|
77 EXPECT_EQ(static_cast<uint8_t>(data[3]), 0x00);
|
|
|
78 }
|
|
|
79
|
|
|
80 TEST(EndianStream, WriteInt64LE) {
|
|
|
81 SmallString<16> data;
|
|
|
82
|
|
|
83 {
|
|
|
84 raw_svector_ostream OS(data);
|
|
|
85 endian::Writer<little> LE(OS);
|
|
|
86 LE.write(static_cast<int64_t>(-136244664332342323));
|
|
|
87 }
|
|
|
88
|
|
|
89 EXPECT_EQ(static_cast<uint8_t>(data[0]), 0xCD);
|
|
|
90 EXPECT_EQ(static_cast<uint8_t>(data[1]), 0xAB);
|
|
|
91 EXPECT_EQ(static_cast<uint8_t>(data[2]), 0xED);
|
|
|
92 EXPECT_EQ(static_cast<uint8_t>(data[3]), 0x1B);
|
|
|
93 EXPECT_EQ(static_cast<uint8_t>(data[4]), 0x33);
|
|
|
94 EXPECT_EQ(static_cast<uint8_t>(data[5]), 0xF6);
|
|
|
95 EXPECT_EQ(static_cast<uint8_t>(data[6]), 0x1B);
|
|
|
96 EXPECT_EQ(static_cast<uint8_t>(data[7]), 0xFE);
|
|
|
97 }
|
|
|
98
|
|
|
99 TEST(EndianStream, WriteInt64BE) {
|
|
|
100 SmallVector<char, 16> data;
|
|
|
101
|
|
|
102 {
|
|
|
103 raw_svector_ostream OS(data);
|
|
|
104 endian::Writer<big> BE(OS);
|
|
|
105 BE.write(static_cast<int64_t>(-136244664332342323));
|
|
|
106 }
|
|
|
107
|
|
|
108 EXPECT_EQ(static_cast<uint8_t>(data[0]), 0xFE);
|
|
|
109 EXPECT_EQ(static_cast<uint8_t>(data[1]), 0x1B);
|
|
|
110 EXPECT_EQ(static_cast<uint8_t>(data[2]), 0xF6);
|
|
|
111 EXPECT_EQ(static_cast<uint8_t>(data[3]), 0x33);
|
|
|
112 EXPECT_EQ(static_cast<uint8_t>(data[4]), 0x1B);
|
|
|
113 EXPECT_EQ(static_cast<uint8_t>(data[5]), 0xED);
|
|
|
114 EXPECT_EQ(static_cast<uint8_t>(data[6]), 0xAB);
|
|
|
115 EXPECT_EQ(static_cast<uint8_t>(data[7]), 0xCD);
|
|
|
116 }
|
|
|
117
|
|
|
118 TEST(EndianStream, WriteDoubleLE) {
|
|
|
119 SmallString<16> data;
|
|
|
120
|
|
|
121 {
|
|
|
122 raw_svector_ostream OS(data);
|
|
|
123 endian::Writer<little> LE(OS);
|
|
|
124 LE.write(-2349214918.58107);
|
|
|
125 }
|
|
|
126
|
|
|
127 EXPECT_EQ(static_cast<uint8_t>(data[0]), 0x20);
|
|
|
128 EXPECT_EQ(static_cast<uint8_t>(data[1]), 0x98);
|
|
|
129 EXPECT_EQ(static_cast<uint8_t>(data[2]), 0xD2);
|
|
|
130 EXPECT_EQ(static_cast<uint8_t>(data[3]), 0x98);
|
|
|
131 EXPECT_EQ(static_cast<uint8_t>(data[4]), 0xC5);
|
|
|
132 EXPECT_EQ(static_cast<uint8_t>(data[5]), 0x80);
|
|
|
133 EXPECT_EQ(static_cast<uint8_t>(data[6]), 0xE1);
|
|
|
134 EXPECT_EQ(static_cast<uint8_t>(data[7]), 0xC1);
|
|
|
135 }
|
|
|
136
|
|
|
137 TEST(EndianStream, WriteDoubleBE) {
|
|
|
138 SmallVector<char, 16> data;
|
|
|
139
|
|
|
140 {
|
|
|
141 raw_svector_ostream OS(data);
|
|
|
142 endian::Writer<big> BE(OS);
|
|
|
143 BE.write(-2349214918.58107);
|
|
|
144 }
|
|
|
145
|
|
|
146 EXPECT_EQ(static_cast<uint8_t>(data[0]), 0xC1);
|
|
|
147 EXPECT_EQ(static_cast<uint8_t>(data[1]), 0xE1);
|
|
|
148 EXPECT_EQ(static_cast<uint8_t>(data[2]), 0x80);
|
|
|
149 EXPECT_EQ(static_cast<uint8_t>(data[3]), 0xC5);
|
|
|
150 EXPECT_EQ(static_cast<uint8_t>(data[4]), 0x98);
|
|
|
151 EXPECT_EQ(static_cast<uint8_t>(data[5]), 0xD2);
|
|
|
152 EXPECT_EQ(static_cast<uint8_t>(data[6]), 0x98);
|
|
|
153 EXPECT_EQ(static_cast<uint8_t>(data[7]), 0x20);
|
|
|
154 }
|
|
|
155
|
|
100
|
156 TEST(EndianStream, WriteArrayLE) {
|
|
|
157 SmallString<16> Data;
|
|
|
158
|
|
|
159 {
|
|
|
160 raw_svector_ostream OS(Data);
|
|
|
161 endian::Writer<little> LE(OS);
|
|
|
162 LE.write<uint16_t>({0x1234, 0x5678});
|
|
|
163 }
|
|
|
164
|
|
|
165 EXPECT_EQ(static_cast<uint8_t>(Data[0]), 0x34);
|
|
|
166 EXPECT_EQ(static_cast<uint8_t>(Data[1]), 0x12);
|
|
|
167 EXPECT_EQ(static_cast<uint8_t>(Data[2]), 0x78);
|
|
|
168 EXPECT_EQ(static_cast<uint8_t>(Data[3]), 0x56);
|
|
|
169 }
|
|
|
170
|
|
|
171 TEST(EndianStream, WriteVectorLE) {
|
|
|
172 SmallString<16> Data;
|
|
|
173
|
|
|
174 {
|
|
|
175 raw_svector_ostream OS(Data);
|
|
|
176 endian::Writer<little> LE(OS);
|
|
|
177 std::vector<uint16_t> Vec{0x1234, 0x5678};
|
|
|
178 LE.write<uint16_t>(Vec);
|
|
|
179 }
|
|
|
180
|
|
|
181 EXPECT_EQ(static_cast<uint8_t>(Data[0]), 0x34);
|
|
|
182 EXPECT_EQ(static_cast<uint8_t>(Data[1]), 0x12);
|
|
|
183 EXPECT_EQ(static_cast<uint8_t>(Data[2]), 0x78);
|
|
|
184 EXPECT_EQ(static_cast<uint8_t>(Data[3]), 0x56);
|
|
|
185 }
|
|
|
186
|
|
|
187 TEST(EndianStream, WriteFloatArrayLE) {
|
|
|
188 SmallString<16> Data;
|
|
|
189
|
|
|
190 {
|
|
|
191 raw_svector_ostream OS(Data);
|
|
|
192 endian::Writer<little> LE(OS);
|
|
|
193 LE.write<float>({12345.0f, 12346.0f});
|
|
|
194 }
|
|
|
195
|
|
|
196 EXPECT_EQ(static_cast<uint8_t>(Data[0]), 0x00);
|
|
|
197 EXPECT_EQ(static_cast<uint8_t>(Data[1]), 0xE4);
|
|
|
198 EXPECT_EQ(static_cast<uint8_t>(Data[2]), 0x40);
|
|
|
199 EXPECT_EQ(static_cast<uint8_t>(Data[3]), 0x46);
|
|
|
200
|
|
|
201 EXPECT_EQ(static_cast<uint8_t>(Data[4]), 0x00);
|
|
|
202 EXPECT_EQ(static_cast<uint8_t>(Data[5]), 0xE8);
|
|
|
203 EXPECT_EQ(static_cast<uint8_t>(Data[6]), 0x40);
|
|
|
204 EXPECT_EQ(static_cast<uint8_t>(Data[7]), 0x46);
|
|
|
205 }
|
|
|
206
|
|
83
|
207
|
|
|
208 } // end anon namespace
|
