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64 lines
1.8 KiB
C++
64 lines
1.8 KiB
C++
//===- unittest/Tooling/HeaderAnalysisTest.cpp ----------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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#include "clang/Tooling/Inclusions/HeaderAnalysis.h"
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#include "clang/Lex/Preprocessor.h"
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#include "clang/Testing/TestAST.h"
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#include "gtest/gtest.h"
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namespace clang {
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namespace tooling {
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namespace {
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TEST(HeaderAnalysisTest, IsSelfContained) {
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TestInputs Inputs;
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Inputs.Code = R"cpp(
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#include "headerguard.h"
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#include "pragmaonce.h"
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#import "imported.h"
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#include "bad.h"
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#include "unguarded.h"
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)cpp";
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Inputs.ExtraFiles["headerguard.h"] = R"cpp(
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#ifndef HEADER_H
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#define HEADER_H
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#endif HEADER_H
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)cpp";
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Inputs.ExtraFiles["pragmaonce.h"] = R"cpp(
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#pragma once
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)cpp";
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Inputs.ExtraFiles["imported.h"] = "";
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Inputs.ExtraFiles["unguarded.h"] = "";
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Inputs.ExtraFiles["bad.h"] = R"cpp(
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#pragma once
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#if defined(INSIDE_H)
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#error "Only ... can be included directly"
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#endif
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)cpp";
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TestAST AST(Inputs);
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const auto &SM = AST.sourceManager();
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auto &FM = SM.getFileManager();
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auto &HI = AST.preprocessor().getHeaderSearchInfo();
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EXPECT_TRUE(isSelfContainedHeader(FM.getFile("headerguard.h").get(), SM, HI));
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EXPECT_TRUE(isSelfContainedHeader(FM.getFile("pragmaonce.h").get(), SM, HI));
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EXPECT_TRUE(isSelfContainedHeader(FM.getFile("imported.h").get(), SM, HI));
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EXPECT_FALSE(isSelfContainedHeader(FM.getFile("unguarded.h").get(), SM, HI));
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EXPECT_FALSE(isSelfContainedHeader(FM.getFile("bad.h").get(), SM, HI));
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}
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} // namespace
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} // namespace tooling
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} // namespace clang
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