xref: /llvm-project/lldb/unittests/Core/UniqueCStringMapTest.cpp (revision d8aca8886ff3df26f136ac2b3cb77287f3b3e92d)
1 //===-- UniqueCStringMapTest.cpp --------------------------------*- C++ -*-===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 
9 #include "lldb/Core/UniqueCStringMap.h"
10 #include "gmock/gmock.h"
11 
12 using namespace lldb_private;
13 
14 namespace {
15 struct NoDefault {
16   int x;
17 
18   NoDefault(int x) : x(x) {}
19   NoDefault() = delete;
20 
21   friend bool operator==(NoDefault lhs, NoDefault rhs) {
22     return lhs.x == rhs.x;
23   }
24 
25   friend llvm::raw_ostream &operator<<(llvm::raw_ostream &OS,
26                                        NoDefault x) {
27     return OS << "NoDefault{" << x.x << "}";
28   }
29 };
30 } // namespace
31 
32 TEST(UniqueCStringMap, NoDefaultConstructor) {
33   using MapT = UniqueCStringMap<NoDefault>;
34   using EntryT = MapT::Entry;
35 
36   MapT Map;
37   ConstString Foo("foo"), Bar("bar");
38 
39   Map.Append(Foo, NoDefault(42));
40   EXPECT_THAT(Map.Find(Foo, NoDefault(47)), NoDefault(42));
41   EXPECT_THAT(Map.Find(Bar, NoDefault(47)), NoDefault(47));
42   EXPECT_THAT(Map.FindFirstValueForName(Foo),
43               testing::Pointee(testing::Field(&EntryT::value, NoDefault(42))));
44   EXPECT_THAT(Map.FindFirstValueForName(Bar), nullptr);
45 
46   std::vector<NoDefault> Values;
47   EXPECT_THAT(Map.GetValues(Foo, Values), 1);
48   EXPECT_THAT(Values, testing::ElementsAre(NoDefault(42)));
49 
50   Values.clear();
51   EXPECT_THAT(Map.GetValues(Bar, Values), 0);
52   EXPECT_THAT(Values, testing::IsEmpty());
53 }
54