1 // Copyright 2016 The Chromium Authors
2 // Use of this source code is governed by a BSD-style license that can be
3 // found in the LICENSE file.
4
5 #include "base/sys_byteorder.h"
6
7 #include <stdint.h>
8
9 #include "build/build_config.h"
10 #include "testing/gtest/include/gtest/gtest.h"
11
12 namespace {
13
14 const uint16_t k16BitTestData = 0xaabb;
15 const uint16_t k16BitSwappedTestData = 0xbbaa;
16 const uint32_t k32BitTestData = 0xaabbccdd;
17 const uint32_t k32BitSwappedTestData = 0xddccbbaa;
18 const uint64_t k64BitTestData = 0xaabbccdd44332211;
19 const uint64_t k64BitSwappedTestData = 0x11223344ddccbbaa;
20
21 } // namespace
22
TEST(ByteOrderTest,NetToHost16)23 TEST(ByteOrderTest, NetToHost16) {
24 uint16_t h = base::NetToHost16(k16BitTestData);
25 #if defined(ARCH_CPU_LITTLE_ENDIAN)
26 EXPECT_EQ(k16BitSwappedTestData, h);
27 #else
28 EXPECT_EQ(k16BitTestData, h);
29 #endif
30 }
31
TEST(ByteOrderTest,NetToHost32)32 TEST(ByteOrderTest, NetToHost32) {
33 uint32_t h = base::NetToHost32(k32BitTestData);
34 #if defined(ARCH_CPU_LITTLE_ENDIAN)
35 EXPECT_EQ(k32BitSwappedTestData, h);
36 #else
37 EXPECT_EQ(k32BitTestData, h);
38 #endif
39 }
40
TEST(ByteOrderTest,NetToHost64)41 TEST(ByteOrderTest, NetToHost64) {
42 uint64_t h = base::NetToHost64(k64BitTestData);
43 #if defined(ARCH_CPU_LITTLE_ENDIAN)
44 EXPECT_EQ(k64BitSwappedTestData, h);
45 #else
46 EXPECT_EQ(k64BitTestData, h);
47 #endif
48 }
49
TEST(ByteOrderTest,HostToNet16)50 TEST(ByteOrderTest, HostToNet16) {
51 uint16_t n = base::HostToNet16(k16BitTestData);
52 #if defined(ARCH_CPU_LITTLE_ENDIAN)
53 EXPECT_EQ(k16BitSwappedTestData, n);
54 #else
55 EXPECT_EQ(k16BitTestData, n);
56 #endif
57 }
58
TEST(ByteOrderTest,HostToNet32)59 TEST(ByteOrderTest, HostToNet32) {
60 uint32_t n = base::HostToNet32(k32BitTestData);
61 #if defined(ARCH_CPU_LITTLE_ENDIAN)
62 EXPECT_EQ(k32BitSwappedTestData, n);
63 #else
64 EXPECT_EQ(k32BitTestData, n);
65 #endif
66 }
67
TEST(ByteOrderTest,HostToNet64)68 TEST(ByteOrderTest, HostToNet64) {
69 uint64_t n = base::HostToNet64(k64BitTestData);
70 #if defined(ARCH_CPU_LITTLE_ENDIAN)
71 EXPECT_EQ(k64BitSwappedTestData, n);
72 #else
73 EXPECT_EQ(k64BitTestData, n);
74 #endif
75 }
76