1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
// 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
|
