llvm-project/lldb/unittests/Utility/UUIDTest.cpp

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//===-- UUIDTest.cpp --------------------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "lldb/Utility/UUID.h"
using namespace lldb_private;
TEST(UUIDTest, RelationalOperators) {
UUID empty;
UUID a16 = UUID::fromData("1234567890123456", 16);
UUID b16 = UUID::fromData("1234567890123457", 16);
UUID a20 = UUID::fromData("12345678901234567890", 20);
UUID b20 = UUID::fromData("12345678900987654321", 20);
EXPECT_EQ(empty, empty);
EXPECT_EQ(a16, a16);
EXPECT_EQ(a20, a20);
EXPECT_NE(a16, b16);
EXPECT_NE(a20, b20);
EXPECT_NE(a16, a20);
EXPECT_NE(empty, a16);
EXPECT_LT(empty, a16);
EXPECT_LT(a16, a20);
EXPECT_LT(a16, b16);
EXPECT_GT(a20, b20);
}
TEST(UUIDTest, Validity) {
UUID empty;
std::vector<uint8_t> zeroes(20, 0);
UUID a16 = UUID::fromData(zeroes.data(), 16);
UUID a20 = UUID::fromData(zeroes.data(), 20);
UUID a16_0 = UUID::fromOptionalData(zeroes.data(), 16);
UUID a20_0 = UUID::fromOptionalData(zeroes.data(), 20);
UUID from_str;
from_str.SetFromStringRef("00000000-0000-0000-0000-000000000000");
UUID opt_from_str;
opt_from_str.SetFromOptionalStringRef("00000000-0000-0000-0000-000000000000");
EXPECT_FALSE(empty);
EXPECT_TRUE(a16);
EXPECT_TRUE(a20);
EXPECT_TRUE(from_str);
EXPECT_FALSE(a16_0);
EXPECT_FALSE(a20_0);
EXPECT_FALSE(opt_from_str);
}
TEST(UUIDTest, SetFromStringRef) {
UUID u;
EXPECT_EQ(32u, u.SetFromStringRef("404142434445464748494a4b4c4d4e4f"));
EXPECT_EQ(UUID::fromData("@ABCDEFGHIJKLMNO", 16), u);
EXPECT_EQ(36u, u.SetFromStringRef("40-41-42-43-4445464748494a4b4c4d4e4f"));
EXPECT_EQ(UUID::fromData("@ABCDEFGHIJKLMNO", 16), u);
EXPECT_EQ(45u, u.SetFromStringRef(
"40-41-42-43-4445464748494a4b4c4d4e4f-50515253", 20));
EXPECT_EQ(UUID::fromData("@ABCDEFGHIJKLMNOPQRS", 20), u);
EXPECT_EQ(0u, u.SetFromStringRef("40-41-42-43-4445464748494a4b4c4d4e4f", 20));
EXPECT_EQ(0u, u.SetFromStringRef("40xxxxx"));
EXPECT_EQ(0u, u.SetFromStringRef(""));
EXPECT_EQ(UUID::fromData("@ABCDEFGHIJKLMNOPQRS", 20), u)
<< "uuid was changed by failed parse calls";
EXPECT_EQ(
32u, u.SetFromStringRef("404142434445464748494a4b4c4d4e4f-50515253", 16));
EXPECT_EQ(UUID::fromData("@ABCDEFGHIJKLMNO", 16), u);
}
TEST(UUIDTest, StringConverion) {
EXPECT_EQ("40414243", UUID::fromData("@ABC", 4).GetAsString());
EXPECT_EQ("40414243-4445-4647", UUID::fromData("@ABCDEFG", 8).GetAsString());
EXPECT_EQ("40414243-4445-4647-4849-4A4B",
UUID::fromData("@ABCDEFGHIJK", 12).GetAsString());
EXPECT_EQ("40414243-4445-4647-4849-4A4B4C4D4E4F",
UUID::fromData("@ABCDEFGHIJKLMNO", 16).GetAsString());
EXPECT_EQ("40414243-4445-4647-4849-4A4B4C4D4E4F-50515253",
UUID::fromData("@ABCDEFGHIJKLMNOPQRS", 20).GetAsString());
}