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66 lines
1.9 KiB
66 lines
1.9 KiB
// Copyright (c) 2012 The Chromium Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style license that can be
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// found in the LICENSE file.
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#include "base/guid.h"
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#include <stdint.h>
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#include <limits>
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#include "base/strings/string_util.h"
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#include "build/build_config.h"
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#include "testing/gtest/include/gtest/gtest.h"
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namespace base {
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namespace {
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bool IsGUIDv4(const std::string& guid) {
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// The format of GUID version 4 must be xxxxxxxx-xxxx-4xxx-yxxx-xxxxxxxxxxxx,
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// where y is one of [8, 9, A, B].
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return IsValidGUID(guid) && guid[14] == '4' &&
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(guid[19] == '8' || guid[19] == '9' || guid[19] == 'A' ||
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guid[19] == 'a' || guid[19] == 'B' || guid[19] == 'b');
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}
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} // namespace
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TEST(GUIDTest, GUIDGeneratesAllZeroes) {
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uint64_t bytes[] = {0, 0};
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std::string clientid = RandomDataToGUIDString(bytes);
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EXPECT_EQ("00000000-0000-0000-0000-000000000000", clientid);
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}
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TEST(GUIDTest, GUIDGeneratesCorrectly) {
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uint64_t bytes[] = {0x0123456789ABCDEFULL, 0xFEDCBA9876543210ULL};
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std::string clientid = RandomDataToGUIDString(bytes);
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EXPECT_EQ("01234567-89ab-cdef-fedc-ba9876543210", clientid);
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}
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TEST(GUIDTest, GUIDCorrectlyFormatted) {
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const int kIterations = 10;
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for (int it = 0; it < kIterations; ++it) {
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std::string guid = GenerateGUID();
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EXPECT_TRUE(IsValidGUID(guid));
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EXPECT_TRUE(IsValidGUIDOutputString(guid));
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EXPECT_TRUE(IsValidGUID(ToLowerASCII(guid)));
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EXPECT_TRUE(IsValidGUID(ToUpperASCII(guid)));
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}
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}
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TEST(GUIDTest, GUIDBasicUniqueness) {
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const int kIterations = 10;
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for (int it = 0; it < kIterations; ++it) {
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std::string guid1 = GenerateGUID();
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std::string guid2 = GenerateGUID();
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EXPECT_EQ(36U, guid1.length());
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EXPECT_EQ(36U, guid2.length());
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EXPECT_NE(guid1, guid2);
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EXPECT_TRUE(IsGUIDv4(guid1));
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EXPECT_TRUE(IsGUIDv4(guid2));
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}
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}
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} // namespace base
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