components/encryptor/encryptor_unittest.cc - Issue 183953005: Rename components's Encryptor to OSEncrypt.

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Issue 183953005: Rename components's Encryptor to OSEncrypt. (Closed) Base URL: svn://svn.chromium.org/chrome/trunk/src

Patch Set: similarity Created 6 years, 9 months ago

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1 // Copyright 2014 The Chromium 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 "components/encryptor/encryptor.h"

6

7 #include <string>

8

9 #include "base/strings/string_util.h"

10 #include "base/strings/utf_string_conversions.h"

11 #include "testing/gtest/include/gtest/gtest.h"

12

13 namespace {

14

15 class EncryptorTest : public testing::Test {

16 public:

17 EncryptorTest() {}

18

19 virtual void SetUp() {

20 #if defined(OS_MACOSX)

21 Encryptor::UseMockKeychain(true);

22 #endif

23 }

24

25 private:

26 DISALLOW_COPY_AND_ASSIGN(EncryptorTest);

27 };

28

29 TEST_F(EncryptorTest, String16EncryptionDecryption) {

30 base::string16 plaintext;

31 base::string16 result;

32 std::string utf8_plaintext;

33 std::string utf8_result;

34 std::string ciphertext;

35

36 // Test borderline cases (empty strings).

37 EXPECT_TRUE(Encryptor::EncryptString16(plaintext, &ciphertext));

38 EXPECT_TRUE(Encryptor::DecryptString16(ciphertext, &result));

39 EXPECT_EQ(plaintext, result);

40

41 // Test a simple string.

42 plaintext = base::ASCIIToUTF16("hello");

43 EXPECT_TRUE(Encryptor::EncryptString16(plaintext, &ciphertext));

44 EXPECT_TRUE(Encryptor::DecryptString16(ciphertext, &result));

45 EXPECT_EQ(plaintext, result);

46

47 // Test a 16-byte aligned string. This previously hit a boundary error in

48 // base::Encryptor::Crypt() on Mac.

49 plaintext = base::ASCIIToUTF16("1234567890123456");

50 EXPECT_TRUE(Encryptor::EncryptString16(plaintext, &ciphertext));

51 EXPECT_TRUE(Encryptor::DecryptString16(ciphertext, &result));

52 EXPECT_EQ(plaintext, result);

53

54 // Test Unicode.

55 base::char16 wchars[] = { 0xdbeb, 0xdf1b, 0x4e03, 0x6708, 0x8849,

56 0x661f, 0x671f, 0x56db, 0x597c, 0x4e03,

57 0x6708, 0x56db, 0x6708, 0xe407, 0xdbaf,

58 0xdeb5, 0x4ec5, 0x544b, 0x661f, 0x671f,

59 0x65e5, 0x661f, 0x671f, 0x4e94, 0xd8b1,

60 0xdce1, 0x7052, 0x5095, 0x7c0b, 0xe586, 0};

61 plaintext = wchars;

62 utf8_plaintext = base::UTF16ToUTF8(plaintext);

63 EXPECT_EQ(plaintext, base::UTF8ToUTF16(utf8_plaintext));

64 EXPECT_TRUE(Encryptor::EncryptString16(plaintext, &ciphertext));

65 EXPECT_TRUE(Encryptor::DecryptString16(ciphertext, &result));

66 EXPECT_EQ(plaintext, result);

67 EXPECT_TRUE(Encryptor::DecryptString(ciphertext, &utf8_result));

68 EXPECT_EQ(utf8_plaintext, base::UTF16ToUTF8(result));

69

70 EXPECT_TRUE(Encryptor::EncryptString(utf8_plaintext, &ciphertext));

71 EXPECT_TRUE(Encryptor::DecryptString16(ciphertext, &result));

72 EXPECT_EQ(plaintext, result);

73 EXPECT_TRUE(Encryptor::DecryptString(ciphertext, &utf8_result));

74 EXPECT_EQ(utf8_plaintext, base::UTF16ToUTF8(result));

75 }

76

77 TEST_F(EncryptorTest, EncryptionDecryption) {

78 std::string plaintext;

79 std::string result;

80 std::string ciphertext;

81

82 // Test borderline cases (empty strings).

83 ASSERT_TRUE(Encryptor::EncryptString(plaintext, &ciphertext));

84 ASSERT_TRUE(Encryptor::DecryptString(ciphertext, &result));

85 EXPECT_EQ(plaintext, result);

86

87 // Test a simple string.

88 plaintext = "hello";

89 ASSERT_TRUE(Encryptor::EncryptString(plaintext, &ciphertext));

90 ASSERT_TRUE(Encryptor::DecryptString(ciphertext, &result));

91 EXPECT_EQ(plaintext, result);

92

93 // Make sure it null terminates.

94 plaintext.assign("hello", 3);

95 ASSERT_TRUE(Encryptor::EncryptString(plaintext, &ciphertext));

96 ASSERT_TRUE(Encryptor::DecryptString(ciphertext, &result));

97 EXPECT_EQ(plaintext, "hel");

98 }

99

100 TEST_F(EncryptorTest, CypherTextDiffers) {

101 std::string plaintext;

102 std::string result;

103 std::string ciphertext;

104

105 // Test borderline cases (empty strings).

106 ASSERT_TRUE(Encryptor::EncryptString(plaintext, &ciphertext));

107 ASSERT_TRUE(Encryptor::DecryptString(ciphertext, &result));

108 // \|cyphertext\| is empty on the Mac, different on Windows.

109 EXPECT_TRUE(ciphertext.empty() \|\| plaintext != ciphertext);

110 EXPECT_EQ(plaintext, result);

111

112 // Test a simple string.

113 plaintext = "hello";

114 ASSERT_TRUE(Encryptor::EncryptString(plaintext, &ciphertext));

115 ASSERT_TRUE(Encryptor::DecryptString(ciphertext, &result));

116 EXPECT_NE(plaintext, ciphertext);

117 EXPECT_EQ(plaintext, result);

118

119 // Make sure it null terminates.

120 plaintext.assign("hello", 3);

121 ASSERT_TRUE(Encryptor::EncryptString(plaintext, &ciphertext));

122 ASSERT_TRUE(Encryptor::DecryptString(ciphertext, &result));

123 EXPECT_NE(plaintext, ciphertext);

124 EXPECT_EQ(result, "hel");

125 }

126

127 TEST_F(EncryptorTest, DecryptError) {

128 std::string plaintext;

129 std::string result;

130 std::string ciphertext;

131

132 // Test a simple string, messing with ciphertext prior to decrypting.

133 plaintext = "hello";

134 ASSERT_TRUE(Encryptor::EncryptString(plaintext, &ciphertext));

135 EXPECT_NE(plaintext, ciphertext);

136 ASSERT_LT(4UL, ciphertext.size());

137 ciphertext[3] = ciphertext[3] + 1;

138 EXPECT_FALSE(Encryptor::DecryptString(ciphertext, &result));

139 EXPECT_NE(plaintext, result);

140 EXPECT_TRUE(result.empty());

141 }

142

143 } // namespace

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