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author | Eric Liu <ioeric@google.com> | 2018-01-29 13:21:23 +0000 |
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committer | Eric Liu <ioeric@google.com> | 2018-01-29 13:21:23 +0000 |
commit | b286bfc45eee9cdb65f43545e8ae08bdf33ef859 (patch) | |
tree | 16c37e3bc100c64a79d48375f64ff769cdff2f3c /unittests/Lex | |
parent | 0c08d9830124a75675348b4eeb47256f3da6693d (diff) | |
download | clang-b286bfc45eee9cdb65f43545e8ae08bdf33ef859.tar.gz |
[Lexer] Support adding working directory to relative search dir for #include shortening in HeaderSearch.
Reviewers: bkramer
Subscribers: mgorny, hintonda, cfe-commits
Differential Revision: https://reviews.llvm.org/D42577
git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@323647 91177308-0d34-0410-b5e6-96231b3b80d8
Diffstat (limited to 'unittests/Lex')
-rw-r--r-- | unittests/Lex/CMakeLists.txt | 1 | ||||
-rw-r--r-- | unittests/Lex/HeaderSearchTest.cpp | 96 |
2 files changed, 97 insertions, 0 deletions
diff --git a/unittests/Lex/CMakeLists.txt b/unittests/Lex/CMakeLists.txt index ea6f9fd234..bb0f66d860 100644 --- a/unittests/Lex/CMakeLists.txt +++ b/unittests/Lex/CMakeLists.txt @@ -4,6 +4,7 @@ set(LLVM_LINK_COMPONENTS add_clang_unittest(LexTests HeaderMapTest.cpp + HeaderSearchTest.cpp LexerTest.cpp PPCallbacksTest.cpp PPConditionalDirectiveRecordTest.cpp diff --git a/unittests/Lex/HeaderSearchTest.cpp b/unittests/Lex/HeaderSearchTest.cpp new file mode 100644 index 0000000000..c2794f5e95 --- /dev/null +++ b/unittests/Lex/HeaderSearchTest.cpp @@ -0,0 +1,96 @@ +//===- 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 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<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 |