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
|
// Copyright (c) 2012 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/guid.h"
#include <stdint.h>
#include <limits>
#include <gtest/gtest.h>
#include "base/strings/string_util.h"
#include "build/build_config.h"
namespace base {
namespace {
bool IsGUIDv4(const std::string& guid) {
// The format of GUID version 4 must be xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx,
// where y is one of [8, 9, A, B].
return IsValidGUID(guid) && guid[14] == '4' &&
(guid[19] == '8' || guid[19] == '9' || guid[19] == 'A' ||
guid[19] == 'a' || guid[19] == 'B' || guid[19] == 'b');
}
} // namespace
TEST(GUIDTest, GUIDGeneratesAllZeroes) {
uint64_t bytes[] = {0, 0};
std::string clientid = RandomDataToGUIDString(bytes);
EXPECT_EQ("00000000-0000-0000-0000-000000000000", clientid);
}
TEST(GUIDTest, GUIDGeneratesCorrectly) {
uint64_t bytes[] = {0x0123456789ABCDEFULL, 0xFEDCBA9876543210ULL};
std::string clientid = RandomDataToGUIDString(bytes);
EXPECT_EQ("01234567-89AB-CDEF-FEDC-BA9876543210", clientid);
}
TEST(GUIDTest, GUIDCorrectlyFormatted) {
const int kIterations = 10;
for (int it = 0; it < kIterations; ++it) {
std::string guid = GenerateGUID();
EXPECT_TRUE(IsValidGUID(guid));
}
}
TEST(GUIDTest, GUIDBasicUniqueness) {
const int kIterations = 10;
for (int it = 0; it < kIterations; ++it) {
std::string guid1 = GenerateGUID();
std::string guid2 = GenerateGUID();
EXPECT_EQ(36U, guid1.length());
EXPECT_EQ(36U, guid2.length());
EXPECT_NE(guid1, guid2);
EXPECT_TRUE(IsGUIDv4(guid1));
EXPECT_TRUE(IsGUIDv4(guid2));
}
}
} // namespace base
|
