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
13namespace clang {
14namespace clangd {
15
16TEST(ContextTests, Simple) {
17 Key<int> IntParam;
18 Key<int> ExtraIntParam;
19
20 Context Ctx = Context::empty().derive(Key: IntParam, Value: 10).derive(Key: ExtraIntParam, Value: 20);
21
22 EXPECT_EQ(*Ctx.get(IntParam), 10);
23 EXPECT_EQ(*Ctx.get(ExtraIntParam), 20);
24}
25
26TEST(ContextTests, MoveOps) {
27 Key<std::unique_ptr<int>> Param;
28
29 Context Ctx = Context::empty().derive(Key: Param, Value: std::make_unique<int>(args: 10));
30 EXPECT_EQ(**Ctx.get(Param), 10);
31
32 Context NewCtx = std::move(Ctx);
33 EXPECT_EQ(**NewCtx.get(Param), 10);
34}
35
36TEST(ContextTests, Builders) {
37 Key<int> ParentParam;
38 Key<int> ParentAndChildParam;
39 Key<int> ChildParam;
40
41 Context ParentCtx =
42 Context::empty().derive(Key: ParentParam, Value: 10).derive(Key: ParentAndChildParam, Value: 20);
43 Context ChildCtx =
44 ParentCtx.derive(Key: ParentAndChildParam, Value: 30).derive(Key: ChildParam, Value: 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

source code of clang-tools-extra/clangd/unittests/support/ContextTests.cpp