| // Copyright 2018 The Chromium Authors |
| // Use of this source code is governed by a BSD-style license that can be |
| // found in the LICENSE file. |
| |
| #include "base/token.h" |
| |
| #include "base/pickle.h" |
| #include "testing/gtest/include/gtest/gtest.h" |
| |
| namespace base { |
| |
| // Verifies that we can support constexpr Token construction. |
| constexpr Token kTestToken{1234, 5678}; |
| |
| TEST(TokenTest, Constructors) { |
| Token zero_token; |
| EXPECT_EQ(0u, zero_token.high()); |
| EXPECT_EQ(0u, zero_token.low()); |
| EXPECT_TRUE(zero_token.is_zero()); |
| |
| Token token_with_explicit_values{1234, 5678}; |
| EXPECT_EQ(1234u, token_with_explicit_values.high()); |
| EXPECT_EQ(5678u, token_with_explicit_values.low()); |
| EXPECT_FALSE(token_with_explicit_values.is_zero()); |
| |
| Token random_token = Token::CreateRandom(); |
| EXPECT_FALSE(random_token.is_zero()); |
| |
| EXPECT_EQ(1234u, kTestToken.high()); |
| EXPECT_EQ(5678u, kTestToken.low()); |
| EXPECT_FALSE(kTestToken.is_zero()); |
| } |
| |
| TEST(TokenTest, Equality) { |
| EXPECT_EQ(Token(), Token(0, 0)); |
| EXPECT_EQ(Token(0, 0), Token(0, 0)); |
| EXPECT_EQ(Token(1, 2), Token(1, 2)); |
| EXPECT_NE(Token(1, 2), Token(1, 3)); |
| EXPECT_NE(Token(1, 2), Token(2, 2)); |
| EXPECT_NE(Token(1, 2), Token(3, 4)); |
| } |
| |
| TEST(TokenTest, Ordering) { |
| EXPECT_LT(Token(0, 0), Token(0, 1)); |
| EXPECT_LT(Token(0, 1), Token(0, 2)); |
| EXPECT_LT(Token(0, 1), Token(1, 0)); |
| EXPECT_LT(Token(0, 2), Token(1, 0)); |
| } |
| |
| TEST(TokenTest, ToString) { |
| EXPECT_EQ("00000000000000000000000000000000", Token(0, 0).ToString()); |
| EXPECT_EQ("00000000000000010000000000000002", Token(1, 2).ToString()); |
| EXPECT_EQ("0123456789ABCDEF5A5A5A5AA5A5A5A5", |
| Token(0x0123456789abcdefull, 0x5a5a5a5aa5a5a5a5ull).ToString()); |
| EXPECT_EQ("FFFFFFFFFFFFFFFDFFFFFFFFFFFFFFFE", |
| Token(0xfffffffffffffffdull, 0xfffffffffffffffeull).ToString()); |
| } |
| |
| TEST(TokenTest, FromString) { |
| // digits is 40 bytes long. We call FromString on various substrings of it, |
| // which should only succeed when the substring is 32 bytes long. |
| std::string digits = "3141592653589793238462643383279502884197"; |
| |
| EXPECT_EQ(Token(0x3141592653589793ull, 0x2384626433832795ull), |
| *Token::FromString(digits.substr(0, 32))); |
| |
| // FromString should reject any input that isn't 32 bytes long. |
| EXPECT_FALSE(Token::FromString(digits.substr(0, 0))); |
| EXPECT_FALSE(Token::FromString(digits.substr(0, 1))); |
| EXPECT_FALSE(Token::FromString(digits.substr(0, 16))); |
| EXPECT_FALSE(Token::FromString(digits.substr(0, 31))); |
| EXPECT_TRUE(Token::FromString(digits.substr(0, 32))); |
| EXPECT_FALSE(Token::FromString(digits.substr(0, 33))); |
| |
| // FromString should reject any input bytes that aren't in [0-9A-F]. |
| // Specifically, lower case [a-f] bytes are also rejected. |
| digits[5] = 'a'; |
| EXPECT_FALSE(Token::FromString(digits.substr(0, 32))); |
| digits[5] = 'A'; |
| EXPECT_TRUE(Token::FromString(digits.substr(0, 32))); |
| } |
| |
| TEST(TokenTest, Pickle) { |
| Pickle pickle; |
| WriteTokenToPickle(&pickle, kTestToken); |
| |
| PickleIterator iterator(pickle); |
| EXPECT_EQ(kTestToken, ReadTokenFromPickle(&iterator)); |
| } |
| |
| } // namespace base |