| Avi Drissman | e4622aa | 2022-09-08 20:36:06 | [diff] [blame] | 1 | // Copyright 2018 The Chromium Authors |
| Ken Rockot | 8c6991c7 | 2018-11-07 21:23:19 | [diff] [blame] | 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/token.h" |
| Collin Baker | ffe1d0eb | 2019-08-05 23:00:45 | [diff] [blame] | 6 | |
| 7 | #include"base/pickle.h" |
| Ken Rockot | 8c6991c7 | 2018-11-07 21:23:19 | [diff] [blame] | 8 | #include"testing/gtest/include/gtest/gtest.h" |
| 9 | |
| 10 | namespace base{ |
| 11 | |
| 12 | // Verifies that we can support constexpr Token construction. |
| 13 | constexprToken kTestToken{1234,5678}; |
| 14 | |
| 15 | TEST(TokenTest,Constructors){ |
| 16 | Token zero_token; |
| 17 | EXPECT_EQ(0u, zero_token.high()); |
| 18 | EXPECT_EQ(0u, zero_token.low()); |
| 19 | EXPECT_TRUE(zero_token.is_zero()); |
| 20 | |
| 21 | Token token_with_explicit_values{1234,5678}; |
| 22 | EXPECT_EQ(1234u, token_with_explicit_values.high()); |
| 23 | EXPECT_EQ(5678u, token_with_explicit_values.low()); |
| 24 | EXPECT_FALSE(token_with_explicit_values.is_zero()); |
| 25 | |
| 26 | Token random_token=Token::CreateRandom(); |
| 27 | EXPECT_FALSE(random_token.is_zero()); |
| 28 | |
| 29 | EXPECT_EQ(1234u, kTestToken.high()); |
| 30 | EXPECT_EQ(5678u, kTestToken.low()); |
| 31 | EXPECT_FALSE(kTestToken.is_zero()); |
| 32 | } |
| 33 | |
| 34 | TEST(TokenTest,Equality){ |
| 35 | EXPECT_EQ(Token(),Token(0,0)); |
| 36 | EXPECT_EQ(Token(0,0),Token(0,0)); |
| 37 | EXPECT_EQ(Token(1,2),Token(1,2)); |
| 38 | EXPECT_NE(Token(1,2),Token(1,3)); |
| 39 | EXPECT_NE(Token(1,2),Token(2,2)); |
| 40 | EXPECT_NE(Token(1,2),Token(3,4)); |
| 41 | } |
| 42 | |
| 43 | TEST(TokenTest,Ordering){ |
| 44 | EXPECT_LT(Token(0,0),Token(0,1)); |
| 45 | EXPECT_LT(Token(0,1),Token(0,2)); |
| 46 | EXPECT_LT(Token(0,1),Token(1,0)); |
| 47 | EXPECT_LT(Token(0,2),Token(1,0)); |
| 48 | } |
| 49 | |
| 50 | TEST(TokenTest,ToString){ |
| 51 | EXPECT_EQ("00000000000000000000000000000000",Token(0,0).ToString()); |
| 52 | EXPECT_EQ("00000000000000010000000000000002",Token(1,2).ToString()); |
| 53 | EXPECT_EQ("0123456789ABCDEF5A5A5A5AA5A5A5A5", |
| 54 | Token(0x0123456789abcdefull,0x5a5a5a5aa5a5a5a5ull).ToString()); |
| 55 | EXPECT_EQ("FFFFFFFFFFFFFFFDFFFFFFFFFFFFFFFE", |
| 56 | Token(0xfffffffffffffffdull,0xfffffffffffffffeull).ToString()); |
| 57 | } |
| 58 | |
| Nigel Tao | 9af13b8 | 2022-05-19 02:01:16 | [diff] [blame] | 59 | TEST(TokenTest,FromString){ |
| 60 | // digits is 40 bytes long. We call FromString on various substrings of it, |
| 61 | // which should only succeed when the substring is 32 bytes long. |
| 62 | std::string digits="3141592653589793238462643383279502884197"; |
| 63 | |
| 64 | EXPECT_EQ(Token(0x3141592653589793ull,0x2384626433832795ull), |
| 65 | *Token::FromString(digits.substr(0,32))); |
| 66 | |
| 67 | // FromString should reject any input that isn't 32 bytes long. |
| 68 | EXPECT_FALSE(Token::FromString(digits.substr(0,0))); |
| 69 | EXPECT_FALSE(Token::FromString(digits.substr(0,1))); |
| 70 | EXPECT_FALSE(Token::FromString(digits.substr(0,16))); |
| 71 | EXPECT_FALSE(Token::FromString(digits.substr(0,31))); |
| 72 | EXPECT_TRUE(Token::FromString(digits.substr(0,32))); |
| 73 | EXPECT_FALSE(Token::FromString(digits.substr(0,33))); |
| 74 | |
| 75 | // FromString should reject any input bytes that aren't in [0-9A-F]. |
| 76 | // Specifically, lower case [a-f] bytes are also rejected. |
| 77 | digits[5]='a'; |
| 78 | EXPECT_FALSE(Token::FromString(digits.substr(0,32))); |
| 79 | digits[5]='A'; |
| 80 | EXPECT_TRUE(Token::FromString(digits.substr(0,32))); |
| 81 | } |
| 82 | |
| Collin Baker | ffe1d0eb | 2019-08-05 23:00:45 | [diff] [blame] | 83 | TEST(TokenTest,Pickle){ |
| 84 | Pickle pickle; |
| 85 | WriteTokenToPickle(&pickle, kTestToken); |
| 86 | |
| 87 | PickleIteratoriterator(pickle); |
| 88 | EXPECT_EQ(kTestToken,ReadTokenFromPickle(&iterator)); |
| 89 | } |
| 90 | |
| Ken Rockot | 8c6991c7 | 2018-11-07 21:23:19 | [diff] [blame] | 91 | }// namespace base |
