Daniel Erat | b8cf949 | 2015-07-06 13:18:13 -0600 | [diff] [blame^] | 1 | // Copyright (c) 2012 The Chromium Authors. All rights reserved. |
| 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/guid.h" |
| 6 | |
| 7 | #include <limits> |
| 8 | |
| 9 | #include "base/strings/string_util.h" |
| 10 | #include "testing/gtest/include/gtest/gtest.h" |
| 11 | |
| 12 | namespace base { |
| 13 | |
| 14 | #if defined(OS_POSIX) |
| 15 | |
| 16 | namespace { |
| 17 | |
| 18 | bool IsGUIDv4(const std::string& guid) { |
| 19 | // The format of GUID version 4 must be xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx, |
| 20 | // where y is one of [8, 9, A, B]. |
| 21 | return IsValidGUID(guid) && guid[14] == '4' && |
| 22 | (guid[19] == '8' || guid[19] == '9' || guid[19] == 'A' || |
| 23 | guid[19] == 'a' || guid[19] == 'B' || guid[19] == 'b'); |
| 24 | } |
| 25 | |
| 26 | } // namespace |
| 27 | |
| 28 | TEST(GUIDTest, GUIDGeneratesAllZeroes) { |
| 29 | uint64 bytes[] = { 0, 0 }; |
| 30 | std::string clientid = RandomDataToGUIDString(bytes); |
| 31 | EXPECT_EQ("00000000-0000-0000-0000-000000000000", clientid); |
| 32 | } |
| 33 | |
| 34 | TEST(GUIDTest, GUIDGeneratesCorrectly) { |
| 35 | uint64 bytes[] = { 0x0123456789ABCDEFULL, 0xFEDCBA9876543210ULL }; |
| 36 | std::string clientid = RandomDataToGUIDString(bytes); |
| 37 | EXPECT_EQ("01234567-89AB-CDEF-FEDC-BA9876543210", clientid); |
| 38 | } |
| 39 | #endif |
| 40 | |
| 41 | TEST(GUIDTest, GUIDCorrectlyFormatted) { |
| 42 | const int kIterations = 10; |
| 43 | for (int it = 0; it < kIterations; ++it) { |
| 44 | std::string guid = GenerateGUID(); |
| 45 | EXPECT_TRUE(IsValidGUID(guid)); |
| 46 | EXPECT_TRUE(IsValidGUID(StringToLowerASCII(guid))); |
| 47 | EXPECT_TRUE(IsValidGUID(StringToUpperASCII(guid))); |
| 48 | } |
| 49 | } |
| 50 | |
| 51 | TEST(GUIDTest, GUIDBasicUniqueness) { |
| 52 | const int kIterations = 10; |
| 53 | for (int it = 0; it < kIterations; ++it) { |
| 54 | std::string guid1 = GenerateGUID(); |
| 55 | std::string guid2 = GenerateGUID(); |
| 56 | EXPECT_EQ(36U, guid1.length()); |
| 57 | EXPECT_EQ(36U, guid2.length()); |
| 58 | EXPECT_NE(guid1, guid2); |
| 59 | #if defined(OS_POSIX) |
| 60 | EXPECT_TRUE(IsGUIDv4(guid1)); |
| 61 | EXPECT_TRUE(IsGUIDv4(guid2)); |
| 62 | #endif |
| 63 | } |
| 64 | } |
| 65 | |
| 66 | } // namespace base |