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//===- unittests/Lex/HeaderSearchTest.cpp ------ HeaderSearch tests -------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "clang/Lex/HeaderSearch.h"
#include "clang/Basic/Diagnostic.h"
#include "clang/Basic/DiagnosticOptions.h"
#include "clang/Basic/FileManager.h"
#include "clang/Basic/LangOptions.h"
#include "clang/Basic/MemoryBufferCache.h"
#include "clang/Basic/SourceManager.h"
#include "clang/Basic/TargetInfo.h"
#include "clang/Basic/TargetOptions.h"
#include "clang/Lex/HeaderSearch.h"
#include "clang/Lex/HeaderSearchOptions.h"
#include "gtest/gtest.h"
namespace clang {
namespace {
// The test fixture.
class HeaderSearchTest : public ::testing::Test {
protected:
HeaderSearchTest()
: VFS(new llvm::vfs::InMemoryFileSystem), FileMgr(FileMgrOpts, VFS),
DiagID(new DiagnosticIDs()),
Diags(DiagID, new DiagnosticOptions, new IgnoringDiagConsumer()),
SourceMgr(Diags, FileMgr), TargetOpts(new TargetOptions),
Search(std::make_shared<HeaderSearchOptions>(), SourceMgr, Diags,
LangOpts, Target.get()) {
TargetOpts->Triple = "x86_64-apple-darwin11.1.0";
Target = TargetInfo::CreateTargetInfo(Diags, TargetOpts);
}
void addSearchDir(llvm::StringRef Dir) {
VFS->addFile(Dir, 0, llvm::MemoryBuffer::getMemBuffer(""), /*User=*/None,
/*Group=*/None, llvm::sys::fs::file_type::directory_file);
const DirectoryEntry *DE = FileMgr.getDirectory(Dir);
assert(DE);
auto DL = DirectoryLookup(DE, SrcMgr::C_User, /*isFramework=*/false);
Search.AddSearchPath(DL, /*isAngled=*/false);
}
IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> VFS;
FileSystemOptions FileMgrOpts;
FileManager FileMgr;
IntrusiveRefCntPtr<DiagnosticIDs> DiagID;
DiagnosticsEngine Diags;
SourceManager SourceMgr;
LangOptions LangOpts;
std::shared_ptr<TargetOptions> TargetOpts;
IntrusiveRefCntPtr<TargetInfo> Target;
HeaderSearch Search;
};
TEST_F(HeaderSearchTest, NoSearchDir) {
EXPECT_EQ(Search.search_dir_size(), 0u);
EXPECT_EQ(Search.suggestPathToFileForDiagnostics("/x/y/z", /*WorkingDir=*/""),
"/x/y/z");
}
TEST_F(HeaderSearchTest, SimpleShorten) {
addSearchDir("/x");
addSearchDir("/x/y");
EXPECT_EQ(Search.suggestPathToFileForDiagnostics("/x/y/z", /*WorkingDir=*/""),
"z");
addSearchDir("/a/b/");
EXPECT_EQ(Search.suggestPathToFileForDiagnostics("/a/b/c", /*WorkingDir=*/""),
"c");
}
TEST_F(HeaderSearchTest, ShortenWithWorkingDir) {
addSearchDir("x/y");
EXPECT_EQ(Search.suggestPathToFileForDiagnostics("/a/b/c/x/y/z",
/*WorkingDir=*/"/a/b/c"),
"z");
}
TEST_F(HeaderSearchTest, Dots) {
addSearchDir("/x/./y/");
EXPECT_EQ(Search.suggestPathToFileForDiagnostics("/x/y/./z",
/*WorkingDir=*/""),
"z");
addSearchDir("a/.././c/");
EXPECT_EQ(Search.suggestPathToFileForDiagnostics("/m/n/./c/z",
/*WorkingDir=*/"/m/n/"),
"z");
}
} // namespace
} // namespace clang
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