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- // 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
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