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chromium / chromium / src / 28a1df3df8058c27528d6e0abac10ae1eaff3920 / . / base / token_unittest.cc
blob: 12a58f18d77e5475eabb9c9357e7c7c214ec18c5 [file] [log] [blame]
Avi Drissmane4622aa2022-09-08 20:36:06[diff] [blame]1// Copyright 2018 The Chromium Authors
Ken Rockot8c6991c72018-11-07 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 Bakerffe1d0eb2019-08-05 23:00:45[diff] [blame]6
7#include "base/pickle.h"
Ken Rockot8c6991c72018-11-07 21:23:19[diff] [blame]8#include "testing/gtest/include/gtest/gtest.h"
9
10namespace base {
11
12// Verifies that we can support constexpr Token construction.
13constexpr Token kTestToken{1234, 5678};
14
15TEST(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
34TEST(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
43TEST(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
50TEST(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 Tao9af13b82022-05-19 02:01:16[diff] [blame]59TEST(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 Bakerffe1d0eb2019-08-05 23:00:45[diff] [blame]83TEST(TokenTest, Pickle) {
84 Pickle pickle;
85 WriteTokenToPickle(&pickle, kTestToken);
86
87 PickleIterator iterator(pickle);
88 EXPECT_EQ(kTestToken, ReadTokenFromPickle(&iterator));
89}
90
Ken Rockot8c6991c72018-11-07 21:23:19[diff] [blame]91} // namespace base