119 lines · cpp
1//===-- CompilerTests.cpp -------------------------------------------------===//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-exception6//7//===----------------------------------------------------------------------===//8 9#include "Compiler.h"10#include "TestTU.h"11#include "clang/Frontend/DependencyOutputOptions.h"12#include "clang/Frontend/FrontendOptions.h"13#include "clang/Lex/PreprocessorOptions.h"14#include "gmock/gmock.h"15#include "gtest/gtest.h"16 17namespace clang {18namespace clangd {19namespace {20 21using testing::IsEmpty;22 23TEST(BuildCompilerInvocation, DropsPCH) {24 MockFS FS;25 IgnoreDiagnostics Diags;26 TestTU TU;27 TU.AdditionalFiles["test.h.pch"] = "";28 29 TU.ExtraArgs = {"-include-pch", "test.h.pch"};30 EXPECT_THAT(buildCompilerInvocation(TU.inputs(FS), Diags)31 ->getPreprocessorOpts()32 .ImplicitPCHInclude,33 IsEmpty());34 35 // Transparent include translation36 TU.ExtraArgs = {"-include", "test.h"};37 EXPECT_THAT(buildCompilerInvocation(TU.inputs(FS), Diags)38 ->getPreprocessorOpts()39 .ImplicitPCHInclude,40 IsEmpty());41 42 // CL mode parsing.43 TU.AdditionalFiles["test.pch"] = "";44 TU.ExtraArgs = {"--driver-mode=cl"};45 TU.ExtraArgs.push_back("/Yutest.h");46 EXPECT_THAT(buildCompilerInvocation(TU.inputs(FS), Diags)47 ->getPreprocessorOpts()48 .ImplicitPCHInclude,49 IsEmpty());50 EXPECT_THAT(buildCompilerInvocation(TU.inputs(FS), Diags)51 ->getPreprocessorOpts()52 .PCHThroughHeader,53 IsEmpty());54}55 56TEST(BuildCompilerInvocation, PragmaDebugCrash) {57 TestTU TU = TestTU::withCode("#pragma clang __debug parser_crash");58 TU.build(); // no-crash59}60 61TEST(BuildCompilerInvocation, DropsShowIncludes) {62 MockFS FS;63 IgnoreDiagnostics Diags;64 TestTU TU;65 66 TU.ExtraArgs = {"-Xclang", "--show-includes"};67 EXPECT_THAT(buildCompilerInvocation(TU.inputs(FS), Diags)68 ->getDependencyOutputOpts()69 .ShowIncludesDest,70 ShowIncludesDestination::None);71 72 TU.ExtraArgs = {"/showIncludes", "--driver-mode=cl"};73 EXPECT_THAT(buildCompilerInvocation(TU.inputs(FS), Diags)74 ->getDependencyOutputOpts()75 .ShowIncludesDest,76 ShowIncludesDestination::None);77 78 TU.ExtraArgs = {"/showIncludes:user", "--driver-mode=cl"};79 EXPECT_THAT(buildCompilerInvocation(TU.inputs(FS), Diags)80 ->getDependencyOutputOpts()81 .ShowIncludesDest,82 ShowIncludesDestination::None);83}84 85TEST(BuildCompilerInvocation, DropsPlugins) {86 MockFS FS;87 IgnoreDiagnostics Diags;88 TestTU TU;89 90 TU.ExtraArgs = {"-Xclang", "-load",91 "-Xclang", "plugins.so",92 "-Xclang", "-plugin",93 "-Xclang", "my_plugin",94 "-Xclang", "-plugin-arg-my_plugin",95 "-Xclang", "foo=bar",96 "-Xclang", "-add-plugin",97 "-Xclang", "my_plugin2"};98 auto Opts = buildCompilerInvocation(TU.inputs(FS), Diags)->getFrontendOpts();99 EXPECT_THAT(Opts.Plugins, IsEmpty());100 EXPECT_THAT(Opts.PluginArgs, IsEmpty());101 EXPECT_THAT(Opts.AddPluginActions, IsEmpty());102 EXPECT_EQ(Opts.ProgramAction, frontend::ActionKind::ParseSyntaxOnly);103 EXPECT_TRUE(Opts.ActionName.empty());104}105 106TEST(BuildCompilerInvocation, EmptyArgs) {107 MockFS FS;108 IgnoreDiagnostics Diags;109 TestTU TU;110 auto Inputs = TU.inputs(FS);111 Inputs.CompileCommand.CommandLine.clear();112 113 // No crash.114 EXPECT_EQ(buildCompilerInvocation(Inputs, Diags), nullptr);115}116} // namespace117} // namespace clangd118} // namespace clang119