1 // Copyright (c) 2012 The Chromium OS Authors. All rights reserved.
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 "binary_data_utils.h"
6 #include "compat/test.h"
7
8 namespace quipper {
9
10 namespace {
11
12 const size_t kHexArraySize = 8;
13
14 } // namespace
15
TEST(BinaryDataUtilsTest,MD5)16 TEST(BinaryDataUtilsTest, MD5) {
17 ASSERT_EQ(Md5Prefix(""), 0xd41d8cd98f00b204LL);
18 ASSERT_EQ(Md5Prefix("The quick brown fox jumps over the lazy dog."),
19 0xe4d909c290d0fb1cLL);
20 }
21
TEST(BinaryDataUtilsTest,Align)22 TEST(BinaryDataUtilsTest, Align) {
23 EXPECT_EQ(12, Align<4>(10));
24 EXPECT_EQ(12, Align<4>(12));
25 EXPECT_EQ(16, Align<4>(13));
26 EXPECT_EQ(100, Align<4>(97));
27 EXPECT_EQ(100, Align<4>(100));
28 EXPECT_EQ(104, Align<8>(100));
29 EXPECT_EQ(112, Align<8>(108));
30 EXPECT_EQ(112, Align<8>(112));
31
32 EXPECT_EQ(12, Align<uint32_t>(10));
33 EXPECT_EQ(112, Align<uint64_t>(112));
34 }
35
TEST(BinaryDataUtilsTest,RawDataToHexString)36 TEST(BinaryDataUtilsTest, RawDataToHexString) {
37 u8 hex_number[kHexArraySize];
38 // Generate a sequence of bytes and check its hex string representation.
39 for (size_t i = 0; i < arraysize(hex_number); ++i) hex_number[i] = i << i;
40 EXPECT_EQ("0002081840a08080",
41 RawDataToHexString(hex_number, arraysize(hex_number)));
42
43 // Change the first and last bytes and check the new hex string.
44 hex_number[0] = 0x8f;
45 hex_number[arraysize(hex_number) - 1] = 0x64;
46 EXPECT_EQ("8f02081840a08064",
47 RawDataToHexString(hex_number, arraysize(hex_number)));
48 }
49
TEST(BinaryDataUtilsTest,StringToHex)50 TEST(BinaryDataUtilsTest, StringToHex) {
51 u8 output[kHexArraySize], expected[kHexArraySize];
52
53 // Use the same tests as in RawDataToHexString, except reversed.
54 for (size_t i = 0; i < arraysize(expected); ++i) expected[i] = i << i;
55 EXPECT_TRUE(
56 HexStringToRawData("0002081840a08080", output, arraysize(output)));
57 for (size_t i = 0; i < arraysize(expected); ++i)
58 EXPECT_EQ(expected[i], output[i]);
59
60 expected[0] = 0x8f;
61 expected[arraysize(expected) - 1] = 0x64;
62 EXPECT_TRUE(HexStringToRawData("8f02081840a080640123456789abcdef", output,
63 arraysize(output)));
64 for (size_t i = 0; i < arraysize(expected); ++i)
65 EXPECT_EQ(expected[i], output[i]);
66 }
67
68 } // namespace quipper
69