// Copyright 2014 The Crashpad Authors
//
// 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 <string.h>
#include <sys/types.h>
#include <iterator>
#include <string>
#include "base/format_macros.h"
#include "base/scoped_generic.h"
#include "base/strings/stringprintf.h"
#include "build/build_config.h"
#include "gtest/gtest.h"
namespace crashpad {
namespace test {
namespace {
TEST(UUID, UUID) {
UUID uuid_zero;
uuid_zero.InitializeToZero();
EXPECT_EQ(uuid_zero.data_1, 0u);
EXPECT_EQ(uuid_zero.data_2, 0u);
EXPECT_EQ(uuid_zero.data_3, 0u);
EXPECT_EQ(uuid_zero.data_4[0], 0u);
EXPECT_EQ(uuid_zero.data_4[1], 0u);
EXPECT_EQ(uuid_zero.data_5[0], 0u);
EXPECT_EQ(uuid_zero.data_5[1], 0u);
EXPECT_EQ(uuid_zero.data_5[2], 0u);
EXPECT_EQ(uuid_zero.data_5[3], 0u);
EXPECT_EQ(uuid_zero.data_5[4], 0u);
EXPECT_EQ(uuid_zero.data_5[5], 0u);
EXPECT_EQ(uuid_zero.ToString(), "00000000-0000-0000-0000-000000000000");
static constexpr uint8_t kBytes[16] = {0x00,
0x01,
0x02,
0x03,
0x04,
0x05,
0x06,
0x07,
0x08,
0x09,
0x0a,
0x0b,
0x0c,
0x0d,
0x0e,
0x0f};
UUID uuid;
uuid.InitializeFromBytes(kBytes);
EXPECT_EQ(uuid.data_1, 0x00010203u);
EXPECT_EQ(uuid.data_2, 0x0405u);
EXPECT_EQ(uuid.data_3, 0x0607u);
EXPECT_EQ(uuid.data_4[0], 0x08u);
EXPECT_EQ(uuid.data_4[1], 0x09u);
EXPECT_EQ(uuid.data_5[0], 0x0au);
EXPECT_EQ(uuid.data_5[1], 0x0bu);
EXPECT_EQ(uuid.data_5[2], 0x0cu);
EXPECT_EQ(uuid.data_5[3], 0x0du);
EXPECT_EQ(uuid.data_5[4], 0x0eu);
EXPECT_EQ(uuid.data_5[5], 0x0fu);
EXPECT_EQ(uuid.ToString(), "00010203-0405-0607-0809-0a0b0c0d0e0f");
// Test both operator== and operator!=.
EXPECT_FALSE(uuid == uuid_zero);
EXPECT_NE(uuid, uuid_zero);
UUID uuid_2;
uuid_2.InitializeFromBytes(kBytes);
EXPECT_EQ(uuid_2, uuid);
EXPECT_FALSE(uuid != uuid_2);
// Test operator< operator
UUID uuid_3{};
UUID uuid_4;
uuid_4.InitializeFromString("11111111-1111-1111-1111-111111111111");
UUID uuid_5;
uuid_5.InitializeFromString("22222222-2222-2222-2222-222222222222");
EXPECT_LT(uuid_3, uuid_4);
EXPECT_LT(uuid_3, uuid_5);
EXPECT_LT(uuid_4, uuid_5);
// Make sure that operator== and operator!= check the entire UUID.
++uuid.data_1;
EXPECT_NE(uuid, uuid_2);
EXPECT_LT(uuid_2, uuid);
--uuid.data_1;
++uuid.data_2;
EXPECT_NE(uuid, uuid_2);
EXPECT_LT(uuid_2, uuid);
--uuid.data_2;
++uuid.data_3;
EXPECT_NE(uuid, uuid_2);
EXPECT_LT(uuid_2, uuid);
--uuid.data_3;
for (size_t index = 0; index < std::size(uuid.data_4); ++index) {
++uuid.data_4[index];
EXPECT_NE(uuid, uuid_2);
EXPECT_LT(uuid_2, uuid);
--uuid.data_4[index];
}
for (size_t index = 0; index < std::size(uuid.data_5); ++index) {
++uuid.data_5[index];
EXPECT_NE(uuid, uuid_2);
EXPECT_LT(uuid_2, uuid);
--uuid.data_5[index];
}
// Make sure that the UUIDs are equal again, otherwise the test above may not
// have been valid.
EXPECT_EQ(uuid_2, uuid);
static constexpr 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(uuid.data_1, 0xffeeddccu);
EXPECT_EQ(uuid.data_2, 0xbbaau);
EXPECT_EQ(uuid.data_3, 0x9988u);
EXPECT_EQ(uuid.data_4[0], 0x77u);
EXPECT_EQ(uuid.data_4[1], 0x66u);
EXPECT_EQ(uuid.data_5[0], 0x55u);
EXPECT_EQ(uuid.data_5[1], 0x44u);
EXPECT_EQ(uuid.data_5[2], 0x33u);
EXPECT_EQ(uuid.data_5[3], 0x22u);
EXPECT_EQ(uuid.data_5[4], 0x11u);
EXPECT_EQ(uuid.data_5[5], 0x00u);
EXPECT_EQ(uuid.ToString(), "ffeeddcc-bbaa-9988-7766-554433221100");
EXPECT_NE(uuid, uuid_2);
EXPECT_NE(uuid, uuid_zero);
// Test that UUID is standard layout.
memset(&uuid, 0x45, 16);
EXPECT_EQ(uuid.data_1, 0x45454545u);
EXPECT_EQ(uuid.data_2, 0x4545u);
EXPECT_EQ(uuid.data_3, 0x4545u);
EXPECT_EQ(uuid.data_4[0], 0x45u);
EXPECT_EQ(uuid.data_4[1], 0x45u);
EXPECT_EQ(uuid.data_5[0], 0x45u);
EXPECT_EQ(uuid.data_5[1], 0x45u);
EXPECT_EQ(uuid.data_5[2], 0x45u);
EXPECT_EQ(uuid.data_5[3], 0x45u);
EXPECT_EQ(uuid.data_5[4], 0x45u);
EXPECT_EQ(uuid.data_5[5], 0x45u);
EXPECT_EQ(uuid.ToString(), "45454545-4545-4545-4545-454545454545");
UUID initialized_generated;
initialized_generated.InitializeWithNew();
EXPECT_NE(initialized_generated, uuid_zero);
}
TEST(UUID, FromString) {
static constexpr 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}
};
UUID uuid_zero;
uuid_zero.InitializeToZero();
const std::string empty_uuid = uuid_zero.ToString();
for (size_t index = 0; index < std::size(kCases); ++index) {
const TestCase& test_case = kCases[index];
SCOPED_TRACE(base::StringPrintf(
"index %" PRIuS ": %s", index, test_case.uuid_string));
UUID uuid;
uuid.InitializeToZero();
EXPECT_EQ(uuid.InitializeFromString(test_case.uuid_string),
test_case.success);
if (test_case.success) {
EXPECT_EQ(uuid.ToString(), test_case.uuid_string);
} else {
EXPECT_EQ(uuid.ToString(), empty_uuid);
}
}
// Test for case insensitivty.
UUID uuid;
uuid.InitializeFromString("F32E5BDC-2681-4C73-A4E6-911FFD89B846");
EXPECT_EQ(uuid.ToString(), "f32e5bdc-2681-4c73-a4e6-911ffd89b846");
// Mixed case.
uuid.InitializeFromString("5762C15D-50b5-4171-a2e9-7429C9EC6CAB");
EXPECT_EQ(uuid.ToString(), "5762c15d-50b5-4171-a2e9-7429c9ec6cab");
#if BUILDFLAG(IS_WIN)
// Test accepting a StringPiece16 via L"" literals on Windows.
EXPECT_TRUE(
uuid.InitializeFromString(L"F32E5BDC-2681-4C73-A4E6-444FFD44B444"));
EXPECT_EQ(uuid.ToString(), "f32e5bdc-2681-4c73-a4e6-444ffd44b444");
EXPECT_TRUE(
uuid.InitializeFromString(L"5762C15D-50b5-4171-a2e9-5555C5EC5CAB"));
EXPECT_EQ(uuid.ToString(), "5762c15d-50b5-4171-a2e9-5555c5ec5cab");
#endif // BUILDFLAG(IS_WIN)
}
#if BUILDFLAG(IS_WIN)
TEST(UUID, FromSystem) {
::GUID system_uuid;
ASSERT_EQ(UuidCreate(&system_uuid), RPC_S_OK);
UUID uuid;
uuid.InitializeFromSystemUUID(&system_uuid);
RPC_WSTR system_string;
ASSERT_EQ(UuidToString(&system_uuid, &system_string), RPC_S_OK);
struct ScopedRpcStringFreeTraits {
static RPC_WSTR* InvalidValue() { return nullptr; }
static void Free(RPC_WSTR* rpc_string) {
EXPECT_EQ(RpcStringFree(rpc_string), RPC_S_OK);
}
};
using ScopedRpcString =
base::ScopedGeneric<RPC_WSTR*, ScopedRpcStringFreeTraits>;
ScopedRpcString scoped_system_string(&system_string);
EXPECT_EQ(uuid.ToWString(), reinterpret_cast<wchar_t*>(system_string));
}
#endif // BUILDFLAG(IS_WIN)
} // namespace
} // namespace test
} // namespace crashpad