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[chromium-blink-merge.git] / base / guid_unittest.cc
blob18c04a9d3363d42f256d53a8dd9b915e22e5a5dc
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.
5 #include "base/guid.h"
7 #include <limits>
9 #include "testing/gtest/include/gtest/gtest.h"
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);
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);
23 #endif
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));
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);