| // 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. |
| constexprToken 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); |
| |
| PickleIteratoriterator(pickle); |
| EXPECT_EQ(kTestToken,ReadTokenFromPickle(&iterator)); |
| } |
| |
| }// namespace base |
