llvm-project/lldb/unittests/Core/UniqueCStringMapTest.cpp

54 lines
1.6 KiB
C++

//===-- UniqueCStringMapTest.cpp ------------------------------------------===//
//
// 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 "lldb/Core/UniqueCStringMap.h"
#include "gmock/gmock.h"
using namespace lldb_private;
namespace {
struct NoDefault {
int x;
NoDefault(int x) : x(x) {}
NoDefault() = delete;
friend bool operator==(NoDefault lhs, NoDefault rhs) {
return lhs.x == rhs.x;
}
friend llvm::raw_ostream &operator<<(llvm::raw_ostream &OS,
NoDefault x) {
return OS << "NoDefault{" << x.x << "}";
}
};
} // namespace
TEST(UniqueCStringMap, NoDefaultConstructor) {
using MapT = UniqueCStringMap<NoDefault>;
using EntryT = MapT::Entry;
MapT Map;
ConstString Foo("foo"), Bar("bar");
Map.Append(Foo, NoDefault(42));
EXPECT_THAT(Map.Find(Foo, NoDefault(47)), NoDefault(42));
EXPECT_THAT(Map.Find(Bar, NoDefault(47)), NoDefault(47));
EXPECT_THAT(Map.FindFirstValueForName(Foo),
testing::Pointee(testing::Field(&EntryT::value, NoDefault(42))));
EXPECT_THAT(Map.FindFirstValueForName(Bar), nullptr);
std::vector<NoDefault> Values;
EXPECT_THAT(Map.GetValues(Foo, Values), 1);
EXPECT_THAT(Values, testing::ElementsAre(NoDefault(42)));
Values.clear();
EXPECT_THAT(Map.GetValues(Bar, Values), 0);
EXPECT_THAT(Values, testing::IsEmpty());
}