crashpad/util/misc/uuid_test.cc
Robert Sesek c75dc46b17 Add UUID::InitializeFromString().
R=mark@chromium.org
TEST=util_test --gtest_filter=UUID.FromString

Review URL: https://codereview.chromium.org/820783004
2015-01-02 18:46:10 -05:00

209 lines
6.6 KiB
C++

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