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c75dc46b17
R=mark@chromium.org TEST=util_test --gtest_filter=UUID.FromString Review URL: https://codereview.chromium.org/820783004
209 lines
6.6 KiB
C++
209 lines
6.6 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 <stdint.h>
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#include <string>
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#include "base/basictypes.h"
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#include "base/strings/stringprintf.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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EXPECT_EQ(0u, uuid_zero.data_1);
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EXPECT_EQ(0u, uuid_zero.data_2);
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EXPECT_EQ(0u, uuid_zero.data_3);
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EXPECT_EQ(0u, uuid_zero.data_4[0]);
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EXPECT_EQ(0u, uuid_zero.data_4[1]);
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EXPECT_EQ(0u, uuid_zero.data_5[0]);
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EXPECT_EQ(0u, uuid_zero.data_5[1]);
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EXPECT_EQ(0u, uuid_zero.data_5[2]);
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EXPECT_EQ(0u, uuid_zero.data_5[3]);
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EXPECT_EQ(0u, uuid_zero.data_5[4]);
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EXPECT_EQ(0u, uuid_zero.data_5[5]);
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EXPECT_EQ("00000000-0000-0000-0000-000000000000", uuid_zero.ToString());
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const 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(kBytes);
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EXPECT_EQ(0x00010203u, uuid.data_1);
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EXPECT_EQ(0x0405u, uuid.data_2);
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EXPECT_EQ(0x0607u, uuid.data_3);
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EXPECT_EQ(0x08u, uuid.data_4[0]);
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EXPECT_EQ(0x09u, uuid.data_4[1]);
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EXPECT_EQ(0x0au, uuid.data_5[0]);
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EXPECT_EQ(0x0bu, uuid.data_5[1]);
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EXPECT_EQ(0x0cu, uuid.data_5[2]);
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EXPECT_EQ(0x0du, uuid.data_5[3]);
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EXPECT_EQ(0x0eu, uuid.data_5[4]);
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EXPECT_EQ(0x0fu, uuid.data_5[5]);
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EXPECT_EQ("00010203-0405-0607-0809-0a0b0c0d0e0f", uuid.ToString());
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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(kBytes);
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EXPECT_EQ(uuid, uuid_2);
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EXPECT_FALSE(uuid != uuid_2);
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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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--uuid.data_1;
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++uuid.data_2;
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EXPECT_NE(uuid, uuid_2);
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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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--uuid.data_3;
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for (size_t index = 0; index < arraysize(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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--uuid.data_4[index];
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}
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for (size_t index = 0; index < arraysize(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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--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, uuid_2);
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const 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(0xffeeddccu, uuid.data_1);
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EXPECT_EQ(0xbbaau, uuid.data_2);
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EXPECT_EQ(0x9988u, uuid.data_3);
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EXPECT_EQ(0x77u, uuid.data_4[0]);
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EXPECT_EQ(0x66u, uuid.data_4[1]);
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EXPECT_EQ(0x55u, uuid.data_5[0]);
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EXPECT_EQ(0x44u, uuid.data_5[1]);
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EXPECT_EQ(0x33u, uuid.data_5[2]);
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EXPECT_EQ(0x22u, uuid.data_5[3]);
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EXPECT_EQ(0x11u, uuid.data_5[4]);
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EXPECT_EQ(0x00u, uuid.data_5[5]);
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EXPECT_EQ("ffeeddcc-bbaa-9988-7766-554433221100", uuid.ToString());
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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(0x45454545u, uuid.data_1);
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EXPECT_EQ(0x4545u, uuid.data_2);
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EXPECT_EQ(0x4545u, uuid.data_3);
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EXPECT_EQ(0x45u, uuid.data_4[0]);
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EXPECT_EQ(0x45u, uuid.data_4[1]);
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EXPECT_EQ(0x45u, uuid.data_5[0]);
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EXPECT_EQ(0x45u, uuid.data_5[1]);
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EXPECT_EQ(0x45u, uuid.data_5[2]);
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EXPECT_EQ(0x45u, uuid.data_5[3]);
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EXPECT_EQ(0x45u, uuid.data_5[4]);
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EXPECT_EQ(0x45u, uuid.data_5[5]);
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EXPECT_EQ("45454545-4545-4545-4545-454545454545", uuid.ToString());
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}
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TEST(UUID, FromString) {
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const 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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const std::string empty_uuid = UUID().ToString();
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for (size_t index = 0; index < arraysize(kCases); ++index) {
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const TestCase& test_case = kCases[index];
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SCOPED_TRACE(
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base::StringPrintf("index %zu: %s", index, test_case.uuid_string));
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UUID uuid;
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EXPECT_EQ(test_case.success,
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uuid.InitializeFromString(test_case.uuid_string));
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if (test_case.success) {
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EXPECT_EQ(test_case.uuid_string, uuid.ToString());
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} else {
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EXPECT_EQ(empty_uuid, uuid.ToString());
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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("f32e5bdc-2681-4c73-a4e6-911ffd89b846", uuid.ToString());
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// Mixed case.
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uuid.InitializeFromString("5762C15D-50b5-4171-a2e9-7429C9EC6CAB");
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EXPECT_EQ("5762c15d-50b5-4171-a2e9-7429c9ec6cab", uuid.ToString());
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}
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} // namespace
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} // namespace test
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} // namespace crashpad
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