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 "testing/gtest/include/gtest/gtest.h" 10 11 #if defined(OS_POSIX) 12 TEST(GUIDTest, GUIDGeneratesAllZeroes) { 13 uint64 bytes[] = { 0, 0 }; 14 std::string clientid = base::RandomDataToGUIDString(bytes); 15 EXPECT_EQ("00000000-0000-0000-0000-000000000000", clientid); 16 } 17 18 TEST(GUIDTest, GUIDGeneratesCorrectly) { 19 uint64 bytes[] = { 0x0123456789ABCDEFULL, 0xFEDCBA9876543210ULL }; 20 std::string clientid = base::RandomDataToGUIDString(bytes); 21 EXPECT_EQ("01234567-89AB-CDEF-FEDC-BA9876543210", clientid); 22 } 23 #endif 24 25 TEST(GUIDTest, GUIDCorrectlyFormatted) { 26 const int kIterations = 10; 27 for (int it = 0; it < kIterations; ++it) { 28 std::string guid = base::GenerateGUID(); 29 EXPECT_TRUE(base::IsValidGUID(guid)); 30 } 31 } 32 33 TEST(GUIDTest, GUIDBasicUniqueness) { 34 const int kIterations = 10; 35 for (int it = 0; it < kIterations; ++it) { 36 std::string guid1 = base::GenerateGUID(); 37 std::string guid2 = base::GenerateGUID(); 38 EXPECT_EQ(36U, guid1.length()); 39 EXPECT_EQ(36U, guid2.length()); 40 EXPECT_NE(guid1, guid2); 41 } 42 } 43