| 1 | //===-- CanonicalIncludesTests.cpp - --------------------------------------===// |
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| 2 | // |
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| 3 | // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. |
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| 4 | // See https://llvm.org/LICENSE.txt for license information. |
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| 5 | // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception |
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| 6 | // |
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| 7 | //===----------------------------------------------------------------------===// |
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| 8 | |
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| 9 | #include "index/CanonicalIncludes.h" |
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| 10 | #include "clang/Basic/FileEntry.h" |
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| 11 | #include "clang/Basic/FileManager.h" |
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| 12 | #include "clang/Basic/FileSystemOptions.h" |
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| 13 | #include "clang/Basic/LangOptions.h" |
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| 14 | #include "llvm/ADT/IntrusiveRefCntPtr.h" |
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| 15 | #include "llvm/ADT/StringRef.h" |
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| 16 | #include "llvm/Support/Error.h" |
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| 17 | #include "llvm/Support/VirtualFileSystem.h" |
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| 18 | #include "llvm/Testing/Support/Error.h" |
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| 19 | #include "gtest/gtest.h" |
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| 20 | |
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| 21 | namespace clang { |
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| 22 | namespace clangd { |
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| 23 | namespace { |
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| 24 | |
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| 25 | FileEntryRef addFile(llvm::vfs::InMemoryFileSystem &FS, FileManager &FM, |
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| 26 | llvm::StringRef Filename) { |
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| 27 | FS.addFile(Path: Filename, ModificationTime: 0, Buffer: llvm::MemoryBuffer::getMemBuffer(InputData: "" )); |
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| 28 | auto File = FM.getFileRef(Filename); |
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| 29 | EXPECT_THAT_EXPECTED(File, llvm::Succeeded()); |
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| 30 | return *File; |
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| 31 | } |
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| 32 | |
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| 33 | TEST(CanonicalIncludesTest, SystemHeaderMap) { |
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| 34 | auto InMemFS = llvm::makeIntrusiveRefCnt<llvm::vfs::InMemoryFileSystem>(); |
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| 35 | FileManager Files(FileSystemOptions(), InMemFS); |
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| 36 | |
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| 37 | CanonicalIncludes CI; |
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| 38 | LangOptions Language; |
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| 39 | Language.CPlusPlus = true; |
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| 40 | CI.addSystemHeadersMapping(Language); |
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| 41 | |
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| 42 | // We should have a path from 'bits/stl_vector.h' to '<vector>'. |
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| 43 | // FIXME: The Standrad Library map in CanonicalIncludes expects forward |
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| 44 | // slashes and Windows would use backward slashes instead, so the headers are |
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| 45 | // not matched appropriately. |
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| 46 | auto STLVectorFile = addFile(FS&: *InMemFS, FM&: Files, Filename: "bits/stl_vector.h" ); |
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| 47 | ASSERT_EQ("<vector>" , CI.mapHeader(STLVectorFile.getName())); |
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| 48 | } |
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| 49 | |
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| 50 | } // namespace |
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| 51 | } // namespace clangd |
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| 52 | } // namespace clang |
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| 53 | |
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