// Copyright 2018 The Chromium Authors. All rights reserved. // 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