llvm-project/clang-tools-extra/clangd/unittests/ContextTests.cpp

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//===-- ContextTests.cpp - Context tests ------------------------*- 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 "Context.h"
#include "gtest/gtest.h"
namespace clang {
namespace clangd {
TEST(ContextTests, Simple) {
Key<int> IntParam;
Key<int> ExtraIntParam;
Context Ctx = Context::empty().derive(IntParam, 10).derive(ExtraIntParam, 20);
EXPECT_EQ(*Ctx.get(IntParam), 10);
EXPECT_EQ(*Ctx.get(ExtraIntParam), 20);
}
TEST(ContextTests, MoveOps) {
Key<std::unique_ptr<int>> Param;
Context Ctx = Context::empty().derive(Param, llvm::make_unique<int>(10));
EXPECT_EQ(**Ctx.get(Param), 10);
Context NewCtx = std::move(Ctx);
EXPECT_EQ(**NewCtx.get(Param), 10);
}
TEST(ContextTests, Builders) {
Key<int> ParentParam;
Key<int> ParentAndChildParam;
Key<int> ChildParam;
Context ParentCtx =
Context::empty().derive(ParentParam, 10).derive(ParentAndChildParam, 20);
Context ChildCtx =
ParentCtx.derive(ParentAndChildParam, 30).derive(ChildParam, 40);
EXPECT_EQ(*ParentCtx.get(ParentParam), 10);
EXPECT_EQ(*ParentCtx.get(ParentAndChildParam), 20);
EXPECT_EQ(ParentCtx.get(ChildParam), nullptr);
EXPECT_EQ(*ChildCtx.get(ParentParam), 10);
EXPECT_EQ(*ChildCtx.get(ParentAndChildParam), 30);
EXPECT_EQ(*ChildCtx.get(ChildParam), 40);
}
} // namespace clangd
} // namespace clang