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| 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 | |
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