| // 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 "base/strings/string_util.h" |
| #include "build/build_config.h" |
| #include "testing/gtest/include/gtest/gtest.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)); |
| EXPECT_TRUE(IsValidGUIDOutputString(guid)); |
| EXPECT_TRUE(IsValidGUID(ToLowerASCII(guid))); |
| EXPECT_TRUE(IsValidGUID(ToUpperASCII(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 |