277 lines
8.9 KiB
C++
277 lines
8.9 KiB
C++
// Copyright 2014 The Crashpad Authors. All rights reserved.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "util/misc/uuid.h"
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#include <string.h>
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#include <sys/types.h>
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#include <iterator>
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#include <string>
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#include "base/format_macros.h"
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#include "base/scoped_generic.h"
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#include "base/strings/stringprintf.h"
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#include "build/build_config.h"
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#include "gtest/gtest.h"
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namespace crashpad {
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namespace test {
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namespace {
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TEST(UUID, UUID) {
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UUID uuid_zero;
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uuid_zero.InitializeToZero();
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EXPECT_EQ(uuid_zero.data_1, 0u);
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EXPECT_EQ(uuid_zero.data_2, 0u);
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EXPECT_EQ(uuid_zero.data_3, 0u);
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EXPECT_EQ(uuid_zero.data_4[0], 0u);
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EXPECT_EQ(uuid_zero.data_4[1], 0u);
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EXPECT_EQ(uuid_zero.data_5[0], 0u);
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EXPECT_EQ(uuid_zero.data_5[1], 0u);
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EXPECT_EQ(uuid_zero.data_5[2], 0u);
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EXPECT_EQ(uuid_zero.data_5[3], 0u);
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EXPECT_EQ(uuid_zero.data_5[4], 0u);
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EXPECT_EQ(uuid_zero.data_5[5], 0u);
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EXPECT_EQ(uuid_zero.ToString(), "00000000-0000-0000-0000-000000000000");
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static constexpr uint8_t kBytes[16] = {0x00,
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0x01,
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0x02,
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0x03,
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0x04,
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0x05,
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0x06,
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0x07,
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0x08,
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0x09,
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0x0a,
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0x0b,
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0x0c,
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0x0d,
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0x0e,
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0x0f};
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UUID uuid;
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uuid.InitializeFromBytes(kBytes);
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EXPECT_EQ(uuid.data_1, 0x00010203u);
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EXPECT_EQ(uuid.data_2, 0x0405u);
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EXPECT_EQ(uuid.data_3, 0x0607u);
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EXPECT_EQ(uuid.data_4[0], 0x08u);
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EXPECT_EQ(uuid.data_4[1], 0x09u);
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EXPECT_EQ(uuid.data_5[0], 0x0au);
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EXPECT_EQ(uuid.data_5[1], 0x0bu);
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EXPECT_EQ(uuid.data_5[2], 0x0cu);
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EXPECT_EQ(uuid.data_5[3], 0x0du);
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EXPECT_EQ(uuid.data_5[4], 0x0eu);
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EXPECT_EQ(uuid.data_5[5], 0x0fu);
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EXPECT_EQ(uuid.ToString(), "00010203-0405-0607-0809-0a0b0c0d0e0f");
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// Test both operator== and operator!=.
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EXPECT_FALSE(uuid == uuid_zero);
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EXPECT_NE(uuid, uuid_zero);
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UUID uuid_2;
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uuid_2.InitializeFromBytes(kBytes);
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EXPECT_EQ(uuid_2, uuid);
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EXPECT_FALSE(uuid != uuid_2);
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// Test operator< operator
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UUID uuid_3{};
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UUID uuid_4;
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uuid_4.InitializeFromString("11111111-1111-1111-1111-111111111111");
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UUID uuid_5;
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uuid_5.InitializeFromString("22222222-2222-2222-2222-222222222222");
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EXPECT_LT(uuid_3, uuid_4);
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EXPECT_LT(uuid_3, uuid_5);
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EXPECT_LT(uuid_4, uuid_5);
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// Make sure that operator== and operator!= check the entire UUID.
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++uuid.data_1;
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EXPECT_NE(uuid, uuid_2);
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EXPECT_LT(uuid_2, uuid);
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--uuid.data_1;
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++uuid.data_2;
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EXPECT_NE(uuid, uuid_2);
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EXPECT_LT(uuid_2, uuid);
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--uuid.data_2;
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++uuid.data_3;
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EXPECT_NE(uuid, uuid_2);
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EXPECT_LT(uuid_2, uuid);
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--uuid.data_3;
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for (size_t index = 0; index < std::size(uuid.data_4); ++index) {
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++uuid.data_4[index];
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EXPECT_NE(uuid, uuid_2);
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EXPECT_LT(uuid_2, uuid);
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--uuid.data_4[index];
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}
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for (size_t index = 0; index < std::size(uuid.data_5); ++index) {
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++uuid.data_5[index];
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EXPECT_NE(uuid, uuid_2);
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EXPECT_LT(uuid_2, uuid);
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--uuid.data_5[index];
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}
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// Make sure that the UUIDs are equal again, otherwise the test above may not
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// have been valid.
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EXPECT_EQ(uuid_2, uuid);
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static constexpr uint8_t kMoreBytes[16] = {0xff,
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0xee,
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0xdd,
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0xcc,
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0xbb,
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0xaa,
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0x99,
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0x88,
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0x77,
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0x66,
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0x55,
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0x44,
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0x33,
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0x22,
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0x11,
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0x00};
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uuid.InitializeFromBytes(kMoreBytes);
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EXPECT_EQ(uuid.data_1, 0xffeeddccu);
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EXPECT_EQ(uuid.data_2, 0xbbaau);
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EXPECT_EQ(uuid.data_3, 0x9988u);
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EXPECT_EQ(uuid.data_4[0], 0x77u);
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EXPECT_EQ(uuid.data_4[1], 0x66u);
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EXPECT_EQ(uuid.data_5[0], 0x55u);
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EXPECT_EQ(uuid.data_5[1], 0x44u);
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EXPECT_EQ(uuid.data_5[2], 0x33u);
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EXPECT_EQ(uuid.data_5[3], 0x22u);
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EXPECT_EQ(uuid.data_5[4], 0x11u);
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EXPECT_EQ(uuid.data_5[5], 0x00u);
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EXPECT_EQ(uuid.ToString(), "ffeeddcc-bbaa-9988-7766-554433221100");
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EXPECT_NE(uuid, uuid_2);
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EXPECT_NE(uuid, uuid_zero);
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// Test that UUID is standard layout.
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memset(&uuid, 0x45, 16);
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EXPECT_EQ(uuid.data_1, 0x45454545u);
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EXPECT_EQ(uuid.data_2, 0x4545u);
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EXPECT_EQ(uuid.data_3, 0x4545u);
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EXPECT_EQ(uuid.data_4[0], 0x45u);
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EXPECT_EQ(uuid.data_4[1], 0x45u);
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EXPECT_EQ(uuid.data_5[0], 0x45u);
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EXPECT_EQ(uuid.data_5[1], 0x45u);
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EXPECT_EQ(uuid.data_5[2], 0x45u);
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EXPECT_EQ(uuid.data_5[3], 0x45u);
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EXPECT_EQ(uuid.data_5[4], 0x45u);
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EXPECT_EQ(uuid.data_5[5], 0x45u);
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EXPECT_EQ(uuid.ToString(), "45454545-4545-4545-4545-454545454545");
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UUID initialized_generated;
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initialized_generated.InitializeWithNew();
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EXPECT_NE(initialized_generated, uuid_zero);
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}
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TEST(UUID, FromString) {
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static constexpr struct TestCase {
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const char* uuid_string;
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bool success;
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} kCases[] = {
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// Valid:
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{"c6849cb5-fe14-4a79-8978-9ae6034c521d", true},
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{"00000000-0000-0000-0000-000000000000", true},
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{"ffffffff-ffff-ffff-ffff-ffffffffffff", true},
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// Outside HEX range:
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{"7318z10b-c453-4cef-9dc8-015655cb4bbc", false},
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{"7318a10b-c453-4cef-9dz8-015655cb4bbc", false},
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// Incomplete:
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{"15655cb4-", false},
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{"7318f10b-c453-4cef-9dc8-015655cb4bb", false},
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{"318f10b-c453-4cef-9dc8-015655cb4bb2", false},
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{"7318f10b-c453-4ef-9dc8-015655cb4bb2", false},
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{"", false},
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{"abcd", false},
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// Trailing data:
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{"6d247a34-53d5-40ec-a90d-d8dea9e94cc01", false}
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};
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UUID uuid_zero;
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uuid_zero.InitializeToZero();
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const std::string empty_uuid = uuid_zero.ToString();
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for (size_t index = 0; index < std::size(kCases); ++index) {
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const TestCase& test_case = kCases[index];
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SCOPED_TRACE(base::StringPrintf(
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"index %" PRIuS ": %s", index, test_case.uuid_string));
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UUID uuid;
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uuid.InitializeToZero();
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EXPECT_EQ(uuid.InitializeFromString(test_case.uuid_string),
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test_case.success);
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if (test_case.success) {
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EXPECT_EQ(uuid.ToString(), test_case.uuid_string);
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} else {
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EXPECT_EQ(uuid.ToString(), empty_uuid);
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}
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}
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// Test for case insensitivty.
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UUID uuid;
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uuid.InitializeFromString("F32E5BDC-2681-4C73-A4E6-911FFD89B846");
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EXPECT_EQ(uuid.ToString(), "f32e5bdc-2681-4c73-a4e6-911ffd89b846");
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// Mixed case.
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uuid.InitializeFromString("5762C15D-50b5-4171-a2e9-7429C9EC6CAB");
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EXPECT_EQ(uuid.ToString(), "5762c15d-50b5-4171-a2e9-7429c9ec6cab");
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#if BUILDFLAG(IS_WIN)
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// Test accepting a StringPiece16 via L"" literals on Windows.
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EXPECT_TRUE(
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uuid.InitializeFromString(L"F32E5BDC-2681-4C73-A4E6-444FFD44B444"));
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EXPECT_EQ(uuid.ToString(), "f32e5bdc-2681-4c73-a4e6-444ffd44b444");
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EXPECT_TRUE(
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uuid.InitializeFromString(L"5762C15D-50b5-4171-a2e9-5555C5EC5CAB"));
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EXPECT_EQ(uuid.ToString(), "5762c15d-50b5-4171-a2e9-5555c5ec5cab");
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#endif // BUILDFLAG(IS_WIN)
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}
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#if BUILDFLAG(IS_WIN)
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TEST(UUID, FromSystem) {
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::GUID system_uuid;
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ASSERT_EQ(UuidCreate(&system_uuid), RPC_S_OK);
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UUID uuid;
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uuid.InitializeFromSystemUUID(&system_uuid);
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RPC_WSTR system_string;
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ASSERT_EQ(UuidToString(&system_uuid, &system_string), RPC_S_OK);
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struct ScopedRpcStringFreeTraits {
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static RPC_WSTR* InvalidValue() { return nullptr; }
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static void Free(RPC_WSTR* rpc_string) {
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EXPECT_EQ(RpcStringFree(rpc_string), RPC_S_OK);
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}
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};
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using ScopedRpcString =
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base::ScopedGeneric<RPC_WSTR*, ScopedRpcStringFreeTraits>;
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ScopedRpcString scoped_system_string(&system_string);
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EXPECT_EQ(uuid.ToWString(), reinterpret_cast<wchar_t*>(system_string));
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}
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#endif // BUILDFLAG(IS_WIN)
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} // namespace
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} // namespace test
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} // namespace crashpad
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