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byteswap.test.cc
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1 /*
2  * Copyright (c) 2019 The Regents of the University of California
3  * All rights reserved
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14  * this software without specific prior written permission.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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27  *
28  * Authors: Mahyar Samani
29  */
30 
31 #include <gtest/gtest.h>
32 
33 #include "sim/byteswap.hh"
34 
35 TEST(ByteswapTest, swap_byte64)
36 {
37  EXPECT_EQ(0x0123456789abcdef, swap_byte64(0xefcdab8967452301));
38  EXPECT_EQ(0xfedcba9876543210, swap_byte64(0x1032547698badcfe));
39  EXPECT_EQ(0x0b1cb071b77141b1, swap_byte64(0xb14171b771b01c0b));
40  EXPECT_EQ(0x00000000ffffffff, swap_byte64(0xffffffff00000000));
41  EXPECT_EQ(0x5555555555555555, swap_byte64(0x5555555555555555));
42  EXPECT_EQ(0xa0a0a0a0a0a0a0a0, swap_byte64(0xa0a0a0a0a0a0a0a0));
43 }
44 
45 TEST(ByteswapTest, swap_byte32)
46 {
47  EXPECT_EQ(0x0123cdef, swap_byte32(0xefcd2301));
48  EXPECT_EQ(0xfedc3210, swap_byte32(0x1032dcfe));
49  EXPECT_EQ(0x0b1c41b1, swap_byte32(0xb1411c0b));
50  EXPECT_EQ(0x0000ffff, swap_byte32(0xffff0000));
51  EXPECT_EQ(0x55555555, swap_byte32(0x55555555));
52  EXPECT_EQ(0xa0a0a0a0, swap_byte32(0xa0a0a0a0));
53 }
54 
55 TEST(ByteswapTest, swap_byte16)
56 {
57  EXPECT_EQ(0x01ef, swap_byte16(0xef01));
58  EXPECT_EQ(0xfe10, swap_byte16(0x10fe));
59  EXPECT_EQ(0x0bb1, swap_byte16(0xb10b));
60  EXPECT_EQ(0x00ff, swap_byte16(0xff00));
61  EXPECT_EQ(0x5555, swap_byte16(0x5555));
62  EXPECT_EQ(0xa0a0, swap_byte16(0xa0a0));
63 }
64 
65 TEST(ByteswapTest, swap_byte)
66 {
67  EXPECT_EQ(0x0123456789abcdef, swap_byte((uint64_t)0xefcdab8967452301));
68  EXPECT_EQ(0xfedcba9876543210, swap_byte((uint64_t)0x1032547698badcfe));
69  EXPECT_EQ(0x0b1cb071b77141b1, swap_byte((uint64_t)0xb14171b771b01c0b));
70  EXPECT_EQ(0x00000000ffffffff, swap_byte((uint64_t)0xffffffff00000000));
71  EXPECT_EQ(0x5555555555555555, swap_byte((uint64_t)0x5555555555555555));
72  EXPECT_EQ(0xa0a0a0a0a0a0a0a0, swap_byte((uint64_t)0xa0a0a0a0a0a0a0a0));
73  EXPECT_EQ(0x0123cdef, swap_byte((uint32_t)0xefcd2301));
74  EXPECT_EQ(0xfedc3210, swap_byte((uint32_t)0x1032dcfe));
75  EXPECT_EQ(0x0b1c41b1, swap_byte((uint32_t)0xb1411c0b));
76  EXPECT_EQ(0x0000ffff, swap_byte((uint32_t)0xffff0000));
77  EXPECT_EQ(0x55555555, swap_byte((uint32_t)0x55555555));
78  EXPECT_EQ(0xa0a0a0a0, swap_byte((uint32_t)0xa0a0a0a0));
79  EXPECT_EQ(0x01ef, swap_byte((uint16_t)0xef01));
80  EXPECT_EQ(0xfe10, swap_byte((uint16_t)0x10fe));
81  EXPECT_EQ(0x0bb1, swap_byte((uint16_t)0xb10b));
82  EXPECT_EQ(0x00ff, swap_byte((uint16_t)0xff00));
83  EXPECT_EQ(0x5555, swap_byte((uint16_t)0x5555));
84  EXPECT_EQ(0xa0a0, swap_byte((uint16_t)0xa0a0));
85 }
86 
87 TEST(ByteswapTest, htog)
88 {
89 #if (defined(_BIG_ENDIAN)||!defined(_LITTLE_ENDIAN)) && BYTE_ORDER==BIG_ENDIAN
90  EXPECT_EQ(0xefcdab8967452301, htog((uint64_t)0xefcdab8967452301,
91  BigEndianByteOrder));
92  EXPECT_EQ(0x1032547698badcfe, htog((uint64_t)0x1032547698badcfe,
93  BigEndianByteOrder));
94  EXPECT_EQ(0xb14171b771b01c0b, htog((uint64_t)0xb14171b771b01c0b,
95  BigEndianByteOrder));
96  EXPECT_EQ(0xffffffff00000000, htog((uint64_t)0xffffffff00000000,
97  BigEndianByteOrder));
98  EXPECT_EQ(0x5555555555555555, htog((uint64_t)0x5555555555555555,
99  BigEndianByteOrder));
100  EXPECT_EQ(0xa0a0a0a0a0a0a0a0, htog((uint64_t)0xa0a0a0a0a0a0a0a0,
101  BigEndianByteOrder));
102  EXPECT_EQ(0xefcd2301, htog((uint32_t)0xefcd2301, BigEndianByteOrder));
103  EXPECT_EQ(0x1032dcfe, htog((uint32_t)0x1032dcfe, BigEndianByteOrder));
104  EXPECT_EQ(0xb1411c0b, htog((uint32_t)0xb1411c0b, BigEndianByteOrder));
105  EXPECT_EQ(0xffff0000, htog((uint32_t)0xffff0000, BigEndianByteOrder));
106  EXPECT_EQ(0x55555555, htog((uint32_t)0x55555555, BigEndianByteOrder));
107  EXPECT_EQ(0xa0a0a0a0, htog((uint32_t)0xa0a0a0a0, BigEndianByteOrder));
108  EXPECT_EQ(0xef01, htog((uint16_t)0xef01, BigEndianByteOrder));
109  EXPECT_EQ(0x10fe, htog((uint16_t)0x10fe, BigEndianByteOrder));
110  EXPECT_EQ(0xb10b, htog((uint16_t)0xb10b, BigEndianByteOrder));
111  EXPECT_EQ(0xff00, htog((uint16_t)0xff00, BigEndianByteOrder));
112  EXPECT_EQ(0x5555, htog((uint16_t)0x5555, BigEndianByteOrder));
113  EXPECT_EQ(0xa0a0, htog((uint16_t)0xa0a0, BigEndianByteOrder));
114  EXPECT_EQ(0x0123456789abcdef, htog((uint64_t)0xefcdab8967452301,
115  LittleEndianByteOrder));
116  EXPECT_EQ(0xfedcba9876543210, htog((uint64_t)0x1032547698badcfe,
117  LittleEndianByteOrder));
118  EXPECT_EQ(0x0b1cb071b77141b1, htog((uint64_t)0xb14171b771b01c0b,
119  LittleEndianByteOrder));
120  EXPECT_EQ(0x00000000ffffffff, htog((uint64_t)0xffffffff00000000,
121  LittleEndianByteOrder));
122  EXPECT_EQ(0x5555555555555555, htog((uint64_t)0x5555555555555555,
123  LittleEndianByteOrder));
124  EXPECT_EQ(0xa0a0a0a0a0a0a0a0, htog((uint64_t)0xa0a0a0a0a0a0a0a0,
125  LittleEndianByteOrder));
126  EXPECT_EQ(0x0123cdef, htog((uint32_t)0xefcd2301, LittleEndianByteOrder));
127  EXPECT_EQ(0xfedc3210, htog((uint32_t)0x1032dcfe, LittleEndianByteOrder));
128  EXPECT_EQ(0x0b1c41b1, htog((uint32_t)0xb1411c0b, LittleEndianByteOrder));
129  EXPECT_EQ(0x0000ffff, htog((uint32_t)0xffff0000, LittleEndianByteOrder));
130  EXPECT_EQ(0x55555555, htog((uint32_t)0x55555555, LittleEndianByteOrder));
131  EXPECT_EQ(0xa0a0a0a0, htog((uint32_t)0xa0a0a0a0, LittleEndianByteOrder));
132  EXPECT_EQ(0x01ef, htog((uint16_t)0xef01, LittleEndianByteOrder));
133  EXPECT_EQ(0xfe10, htog((uint16_t)0x10fe, LittleEndianByteOrder));
134  EXPECT_EQ(0x0bb1, htog((uint16_t)0xb10b, LittleEndianByteOrder));
135  EXPECT_EQ(0x00ff, htog((uint16_t)0xff00, LittleEndianByteOrder));
136  EXPECT_EQ(0x5555, htog((uint16_t)0x5555, LittleEndianByteOrder));
137  EXPECT_EQ(0xa0a0, htog((uint16_t)0xa0a0, LittleEndianByteOrder));
138 #elif defined(_LITTLE_ENDIAN) || BYTE_ORDER==LITTLE_ENDIAN
139  EXPECT_EQ(0x0123456789abcdef, htog((uint64_t)0xefcdab8967452301,
140  BigEndianByteOrder));
141  EXPECT_EQ(0xfedcba9876543210, htog((uint64_t)0x1032547698badcfe,
142  BigEndianByteOrder));
143  EXPECT_EQ(0x0b1cb071b77141b1, htog((uint64_t)0xb14171b771b01c0b,
144  BigEndianByteOrder));
145  EXPECT_EQ(0x00000000ffffffff, htog((uint64_t)0xffffffff00000000,
146  BigEndianByteOrder));
147  EXPECT_EQ(0x5555555555555555, htog((uint64_t)0x5555555555555555,
148  BigEndianByteOrder));
149  EXPECT_EQ(0xa0a0a0a0a0a0a0a0, htog((uint64_t)0xa0a0a0a0a0a0a0a0,
150  BigEndianByteOrder));
151  EXPECT_EQ(0x0123cdef, htog((uint32_t)0xefcd2301, BigEndianByteOrder));
152  EXPECT_EQ(0xfedc3210, htog((uint32_t)0x1032dcfe, BigEndianByteOrder));
153  EXPECT_EQ(0x0b1c41b1, htog((uint32_t)0xb1411c0b, BigEndianByteOrder));
154  EXPECT_EQ(0x0000ffff, htog((uint32_t)0xffff0000, BigEndianByteOrder));
155  EXPECT_EQ(0x55555555, htog((uint32_t)0x55555555, BigEndianByteOrder));
156  EXPECT_EQ(0xa0a0a0a0, htog((uint32_t)0xa0a0a0a0, BigEndianByteOrder));
157  EXPECT_EQ(0x01ef, htog((uint16_t)0xef01, BigEndianByteOrder));
158  EXPECT_EQ(0xfe10, htog((uint16_t)0x10fe, BigEndianByteOrder));
159  EXPECT_EQ(0x0bb1, htog((uint16_t)0xb10b, BigEndianByteOrder));
160  EXPECT_EQ(0x00ff, htog((uint16_t)0xff00, BigEndianByteOrder));
161  EXPECT_EQ(0x5555, htog((uint16_t)0x5555, BigEndianByteOrder));
162  EXPECT_EQ(0xa0a0, htog((uint16_t)0xa0a0, BigEndianByteOrder));
163  EXPECT_EQ(0xefcdab8967452301, htog((uint64_t)0xefcdab8967452301,
164  LittleEndianByteOrder));
165  EXPECT_EQ(0x1032547698badcfe, htog((uint64_t)0x1032547698badcfe,
166  LittleEndianByteOrder));
167  EXPECT_EQ(0xb14171b771b01c0b, htog((uint64_t)0xb14171b771b01c0b,
168  LittleEndianByteOrder));
169  EXPECT_EQ(0xffffffff00000000, htog((uint64_t)0xffffffff00000000,
170  LittleEndianByteOrder));
171  EXPECT_EQ(0x5555555555555555, htog((uint64_t)0x5555555555555555,
172  LittleEndianByteOrder));
173  EXPECT_EQ(0xa0a0a0a0a0a0a0a0, htog((uint64_t)0xa0a0a0a0a0a0a0a0,
174  LittleEndianByteOrder));
175  EXPECT_EQ(0xefcd2301, htog((uint32_t)0xefcd2301, LittleEndianByteOrder));
176  EXPECT_EQ(0x1032dcfe, htog((uint32_t)0x1032dcfe, LittleEndianByteOrder));
177  EXPECT_EQ(0xb1411c0b, htog((uint32_t)0xb1411c0b, LittleEndianByteOrder));
178  EXPECT_EQ(0xffff0000, htog((uint32_t)0xffff0000, LittleEndianByteOrder));
179  EXPECT_EQ(0x55555555, htog((uint32_t)0x55555555, LittleEndianByteOrder));
180  EXPECT_EQ(0xa0a0a0a0, htog((uint32_t)0xa0a0a0a0, LittleEndianByteOrder));
181  EXPECT_EQ(0xef01, htog((uint16_t)0xef01, LittleEndianByteOrder));
182  EXPECT_EQ(0x10fe, htog((uint16_t)0x10fe, LittleEndianByteOrder));
183  EXPECT_EQ(0xb10b, htog((uint16_t)0xb10b, LittleEndianByteOrder));
184  EXPECT_EQ(0xff00, htog((uint16_t)0xff00, LittleEndianByteOrder));
185  EXPECT_EQ(0x5555, htog((uint16_t)0x5555, LittleEndianByteOrder));
186  EXPECT_EQ(0xa0a0, htog((uint16_t)0xa0a0, LittleEndianByteOrder));
187 #else
188  #error Invalid Endianess
189 #endif
190 }
191 
192 TEST(ByteswapTest, gtoh)
193 {
194 #if (defined(_BIG_ENDIAN)||!defined(_LITTLE_ENDIAN)) && BYTE_ORDER==BIG_ENDIAN
195  EXPECT_EQ(0xefcdab8967452301, gtoh((uint64_t)0xefcdab8967452301,
196  BigEndianByteOrder));
197  EXPECT_EQ(0x1032547698badcfe, gtoh((uint64_t)0x1032547698badcfe,
198  BigEndianByteOrder));
199  EXPECT_EQ(0xb14171b771b01c0b, gtoh((uint64_t)0xb14171b771b01c0b,
200  BigEndianByteOrder));
201  EXPECT_EQ(0xffffffff00000000, gtoh((uint64_t)0xffffffff00000000,
202  BigEndianByteOrder));
203  EXPECT_EQ(0x5555555555555555, gtoh((uint64_t)0x5555555555555555,
204  BigEndianByteOrder));
205  EXPECT_EQ(0xa0a0a0a0a0a0a0a0, gtoh((uint64_t)0xa0a0a0a0a0a0a0a0,
206  BigEndianByteOrder));
207  EXPECT_EQ(0xefcd2301, gtoh((uint32_t)0xefcd2301, BigEndianByteOrder));
208  EXPECT_EQ(0x1032dcfe, gtoh((uint32_t)0x1032dcfe, BigEndianByteOrder));
209  EXPECT_EQ(0xb1411c0b, gtoh((uint32_t)0xb1411c0b, BigEndianByteOrder));
210  EXPECT_EQ(0xffff0000, gtoh((uint32_t)0xffff0000, BigEndianByteOrder));
211  EXPECT_EQ(0x55555555, gtoh((uint32_t)0x55555555, BigEndianByteOrder));
212  EXPECT_EQ(0xa0a0a0a0, gtoh((uint32_t)0xa0a0a0a0, BigEndianByteOrder));
213  EXPECT_EQ(0xef01, gtoh((uint16_t)0xef01, BigEndianByteOrder));
214  EXPECT_EQ(0x10fe, gtoh((uint16_t)0x10fe, BigEndianByteOrder));
215  EXPECT_EQ(0xb10b, gtoh((uint16_t)0xb10b, BigEndianByteOrder));
216  EXPECT_EQ(0xff00, gtoh((uint16_t)0xff00, BigEndianByteOrder));
217  EXPECT_EQ(0x5555, gtoh((uint16_t)0x5555, BigEndianByteOrder));
218  EXPECT_EQ(0xa0a0, gtoh((uint16_t)0xa0a0, BigEndianByteOrder));
219  EXPECT_EQ(0x0123456789abcdef, gtoh((uint64_t)0xefcdab8967452301,
220  LittleEndianByteOrder));
221  EXPECT_EQ(0xfedcba9876543210, gtoh((uint64_t)0x1032547698badcfe,
222  LittleEndianByteOrder));
223  EXPECT_EQ(0x0b1cb071b77141b1, gtoh((uint64_t)0xb14171b771b01c0b,
224  LittleEndianByteOrder));
225  EXPECT_EQ(0x00000000ffffffff, gtoh((uint64_t)0xffffffff00000000,
226  LittleEndianByteOrder));
227  EXPECT_EQ(0x5555555555555555, gtoh((uint64_t)0x5555555555555555,
228  LittleEndianByteOrder));
229  EXPECT_EQ(0xa0a0a0a0a0a0a0a0, gtoh((uint64_t)0xa0a0a0a0a0a0a0a0,
230  LittleEndianByteOrder));
231  EXPECT_EQ(0x0123cdef, gtoh((uint32_t)0xefcd2301, LittleEndianByteOrder));
232  EXPECT_EQ(0xfedc3210, gtoh((uint32_t)0x1032dcfe, LittleEndianByteOrder));
233  EXPECT_EQ(0x0b1c41b1, gtoh((uint32_t)0xb1411c0b, LittleEndianByteOrder));
234  EXPECT_EQ(0x0000ffff, gtoh((uint32_t)0xffff0000, LittleEndianByteOrder));
235  EXPECT_EQ(0x55555555, gtoh((uint32_t)0x55555555, LittleEndianByteOrder));
236  EXPECT_EQ(0xa0a0a0a0, gtoh((uint32_t)0xa0a0a0a0, LittleEndianByteOrder));
237  EXPECT_EQ(0x01ef, gtoh((uint16_t)0xef01, LittleEndianByteOrder));
238  EXPECT_EQ(0xfe10, gtoh((uint16_t)0x10fe, LittleEndianByteOrder));
239  EXPECT_EQ(0x0bb1, gtoh((uint16_t)0xb10b, LittleEndianByteOrder));
240  EXPECT_EQ(0x00ff, gtoh((uint16_t)0xff00, LittleEndianByteOrder));
241  EXPECT_EQ(0x5555, gtoh((uint16_t)0x5555, LittleEndianByteOrder));
242  EXPECT_EQ(0xa0a0, gtoh((uint16_t)0xa0a0, LittleEndianByteOrder));
243 #elif defined(_LITTLE_ENDIAN) || BYTE_ORDER==LITTLE_ENDIAN
244  EXPECT_EQ(0x0123456789abcdef, gtoh((uint64_t)0xefcdab8967452301,
245  BigEndianByteOrder));
246  EXPECT_EQ(0xfedcba9876543210, gtoh((uint64_t)0x1032547698badcfe,
247  BigEndianByteOrder));
248  EXPECT_EQ(0x0b1cb071b77141b1, gtoh((uint64_t)0xb14171b771b01c0b,
249  BigEndianByteOrder));
250  EXPECT_EQ(0x00000000ffffffff, gtoh((uint64_t)0xffffffff00000000,
251  BigEndianByteOrder));
252  EXPECT_EQ(0x5555555555555555, gtoh((uint64_t)0x5555555555555555,
253  BigEndianByteOrder));
254  EXPECT_EQ(0xa0a0a0a0a0a0a0a0, gtoh((uint64_t)0xa0a0a0a0a0a0a0a0,
255  BigEndianByteOrder));
256  EXPECT_EQ(0x0123cdef, gtoh((uint32_t)0xefcd2301, BigEndianByteOrder));
257  EXPECT_EQ(0xfedc3210, gtoh((uint32_t)0x1032dcfe, BigEndianByteOrder));
258  EXPECT_EQ(0x0b1c41b1, gtoh((uint32_t)0xb1411c0b, BigEndianByteOrder));
259  EXPECT_EQ(0x0000ffff, gtoh((uint32_t)0xffff0000, BigEndianByteOrder));
260  EXPECT_EQ(0x55555555, gtoh((uint32_t)0x55555555, BigEndianByteOrder));
261  EXPECT_EQ(0xa0a0a0a0, gtoh((uint32_t)0xa0a0a0a0, BigEndianByteOrder));
262  EXPECT_EQ(0x01ef, gtoh((uint16_t)0xef01, BigEndianByteOrder));
263  EXPECT_EQ(0xfe10, gtoh((uint16_t)0x10fe, BigEndianByteOrder));
264  EXPECT_EQ(0x0bb1, gtoh((uint16_t)0xb10b, BigEndianByteOrder));
265  EXPECT_EQ(0x00ff, gtoh((uint16_t)0xff00, BigEndianByteOrder));
266  EXPECT_EQ(0x5555, gtoh((uint16_t)0x5555, BigEndianByteOrder));
267  EXPECT_EQ(0xa0a0, gtoh((uint16_t)0xa0a0, BigEndianByteOrder));
268  EXPECT_EQ(0xefcdab8967452301, gtoh((uint64_t)0xefcdab8967452301,
269  LittleEndianByteOrder));
270  EXPECT_EQ(0x1032547698badcfe, gtoh((uint64_t)0x1032547698badcfe,
271  LittleEndianByteOrder));
272  EXPECT_EQ(0xb14171b771b01c0b, gtoh((uint64_t)0xb14171b771b01c0b,
273  LittleEndianByteOrder));
274  EXPECT_EQ(0xffffffff00000000, gtoh((uint64_t)0xffffffff00000000,
275  LittleEndianByteOrder));
276  EXPECT_EQ(0x5555555555555555, gtoh((uint64_t)0x5555555555555555,
277  LittleEndianByteOrder));
278  EXPECT_EQ(0xa0a0a0a0a0a0a0a0, gtoh((uint64_t)0xa0a0a0a0a0a0a0a0,
279  LittleEndianByteOrder));
280  EXPECT_EQ(0xefcd2301, gtoh((uint32_t)0xefcd2301, LittleEndianByteOrder));
281  EXPECT_EQ(0x1032dcfe, gtoh((uint32_t)0x1032dcfe, LittleEndianByteOrder));
282  EXPECT_EQ(0xb1411c0b, gtoh((uint32_t)0xb1411c0b, LittleEndianByteOrder));
283  EXPECT_EQ(0xffff0000, gtoh((uint32_t)0xffff0000, LittleEndianByteOrder));
284  EXPECT_EQ(0x55555555, gtoh((uint32_t)0x55555555, LittleEndianByteOrder));
285  EXPECT_EQ(0xa0a0a0a0, gtoh((uint32_t)0xa0a0a0a0, LittleEndianByteOrder));
286  EXPECT_EQ(0xef01, gtoh((uint16_t)0xef01, LittleEndianByteOrder));
287  EXPECT_EQ(0x10fe, gtoh((uint16_t)0x10fe, LittleEndianByteOrder));
288  EXPECT_EQ(0xb10b, gtoh((uint16_t)0xb10b, LittleEndianByteOrder));
289  EXPECT_EQ(0xff00, gtoh((uint16_t)0xff00, LittleEndianByteOrder));
290  EXPECT_EQ(0x5555, gtoh((uint16_t)0x5555, LittleEndianByteOrder));
291  EXPECT_EQ(0xa0a0, gtoh((uint16_t)0xa0a0, LittleEndianByteOrder));
292 #else
293  #error Invalid Endianess
294 #endif
295 }
296 
297 TEST(ByteswapTest, betole)
298 {
299  EXPECT_EQ(0x0123456789abcdef, betole((uint64_t)0xefcdab8967452301));
300  EXPECT_EQ(0xfedcba9876543210, betole((uint64_t)0x1032547698badcfe));
301  EXPECT_EQ(0x0b1cb071b77141b1, betole((uint64_t)0xb14171b771b01c0b));
302  EXPECT_EQ(0x00000000ffffffff, betole((uint64_t)0xffffffff00000000));
303  EXPECT_EQ(0x5555555555555555, betole((uint64_t)0x5555555555555555));
304  EXPECT_EQ(0xa0a0a0a0a0a0a0a0, betole((uint64_t)0xa0a0a0a0a0a0a0a0));
305  EXPECT_EQ(0x0123cdef, betole((uint32_t)0xefcd2301));
306  EXPECT_EQ(0xfedc3210, betole((uint32_t)0x1032dcfe));
307  EXPECT_EQ(0x0b1c41b1, betole((uint32_t)0xb1411c0b));
308  EXPECT_EQ(0x0000ffff, betole((uint32_t)0xffff0000));
309  EXPECT_EQ(0x55555555, betole((uint32_t)0x55555555));
310  EXPECT_EQ(0xa0a0a0a0, betole((uint32_t)0xa0a0a0a0));
311  EXPECT_EQ(0x01ef, betole((uint16_t)0xef01));
312  EXPECT_EQ(0xfe10, betole((uint16_t)0x10fe));
313  EXPECT_EQ(0x0bb1, betole((uint16_t)0xb10b));
314  EXPECT_EQ(0x00ff, betole((uint16_t)0xff00));
315  EXPECT_EQ(0x5555, betole((uint16_t)0x5555));
316  EXPECT_EQ(0xa0a0, betole((uint16_t)0xa0a0));
317 }
318 
319 TEST(ByteswapTest, letobe)
320 {
321  EXPECT_EQ(0x0123456789abcdef, letobe((uint64_t)0xefcdab8967452301));
322  EXPECT_EQ(0xfedcba9876543210, letobe((uint64_t)0x1032547698badcfe));
323  EXPECT_EQ(0x0b1cb071b77141b1, letobe((uint64_t)0xb14171b771b01c0b));
324  EXPECT_EQ(0x00000000ffffffff, letobe((uint64_t)0xffffffff00000000));
325  EXPECT_EQ(0x5555555555555555, letobe((uint64_t)0x5555555555555555));
326  EXPECT_EQ(0xa0a0a0a0a0a0a0a0, letobe((uint64_t)0xa0a0a0a0a0a0a0a0));
327  EXPECT_EQ(0x0123cdef, letobe((uint32_t)0xefcd2301));
328  EXPECT_EQ(0xfedc3210, letobe((uint32_t)0x1032dcfe));
329  EXPECT_EQ(0x0b1c41b1, letobe((uint32_t)0xb1411c0b));
330  EXPECT_EQ(0x0000ffff, letobe((uint32_t)0xffff0000));
331  EXPECT_EQ(0x55555555, letobe((uint32_t)0x55555555));
332  EXPECT_EQ(0xa0a0a0a0, letobe((uint32_t)0xa0a0a0a0));
333  EXPECT_EQ(0x01ef, letobe((uint16_t)0xef01));
334  EXPECT_EQ(0xfe10, letobe((uint16_t)0x10fe));
335  EXPECT_EQ(0x0bb1, letobe((uint16_t)0xb10b));
336  EXPECT_EQ(0x00ff, letobe((uint16_t)0xff00));
337  EXPECT_EQ(0x5555, letobe((uint16_t)0x5555));
338  EXPECT_EQ(0xa0a0, letobe((uint16_t)0xa0a0));
339 }
gtoh
T gtoh(T value, ByteOrder guest_byte_order)
Definition: byteswap.hh:166
betole
T betole(T value)
Definition: byteswap.hh:137
htog
T htog(T value, ByteOrder guest_byte_order)
Definition: byteswap.hh:159
letobe
T letobe(T value)
Definition: byteswap.hh:138
swap_byte32
uint32_t swap_byte32(uint32_t x)
Definition: byteswap.hh:82
swap_byte64
uint64_t swap_byte64(uint64_t x)
Definition: byteswap.hh:63
swap_byte
vring_used_elem swap_byte(vring_used_elem v)
Definition: base.hh:70
TEST
TEST(ByteswapTest, swap_byte64)
Definition: byteswap.test.cc:35
swap_byte16
uint16_t swap_byte16(uint16_t x)
Definition: byteswap.hh:96
EXPECT_EQ
#define EXPECT_EQ(lhs, rhs)
A macro which verifies that lhs and rhs are equal to each other.
Definition: unittest.hh:112
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