xref: /llvm-project/clang-tools-extra/clangd/unittests/support/ContextTests.cpp (revision ad97ccf6b26a29262c9cbf5b3e7f6e84c6dcf55f)
1 //===-- ContextTests.cpp - Context tests ------------------------*- 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 "support/Context.h"
10 
11 #include "gtest/gtest.h"
12 
13 namespace clang {
14 namespace clangd {
15 
TEST(ContextTests,Simple)16 TEST(ContextTests, Simple) {
17   Key<int> IntParam;
18   Key<int> ExtraIntParam;
19 
20   Context Ctx = Context::empty().derive(IntParam, 10).derive(ExtraIntParam, 20);
21 
22   EXPECT_EQ(*Ctx.get(IntParam), 10);
23   EXPECT_EQ(*Ctx.get(ExtraIntParam), 20);
24 }
25 
TEST(ContextTests,MoveOps)26 TEST(ContextTests, MoveOps) {
27   Key<std::unique_ptr<int>> Param;
28 
29   Context Ctx = Context::empty().derive(Param, std::make_unique<int>(10));
30   EXPECT_EQ(**Ctx.get(Param), 10);
31 
32   Context NewCtx = std::move(Ctx);
33   EXPECT_EQ(**NewCtx.get(Param), 10);
34 }
35 
TEST(ContextTests,Builders)36 TEST(ContextTests, Builders) {
37   Key<int> ParentParam;
38   Key<int> ParentAndChildParam;
39   Key<int> ChildParam;
40 
41   Context ParentCtx =
42       Context::empty().derive(ParentParam, 10).derive(ParentAndChildParam, 20);
43   Context ChildCtx =
44       ParentCtx.derive(ParentAndChildParam, 30).derive(ChildParam, 40);
45 
46   EXPECT_EQ(*ParentCtx.get(ParentParam), 10);
47   EXPECT_EQ(*ParentCtx.get(ParentAndChildParam), 20);
48   EXPECT_EQ(ParentCtx.get(ChildParam), nullptr);
49 
50   EXPECT_EQ(*ChildCtx.get(ParentParam), 10);
51   EXPECT_EQ(*ChildCtx.get(ParentAndChildParam), 30);
52   EXPECT_EQ(*ChildCtx.get(ChildParam), 40);
53 }
54 
55 } // namespace clangd
56 } // namespace clang
57