clang-tools-extra/clangd/unittests/tweaks/TweakTests.cpp

   1 //===-- TweakTests.cpp ------------------------------------------*- C++ -*-===//
   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-exception
   6 //
   7 //===----------------------------------------------------------------------===//
   8
   9 #include "TestFS.h"
  10 #include "refactor/Tweak.h"
  11 #include "clang/Basic/Diagnostic.h"
  12 #include "clang/Basic/DiagnosticIDs.h"
  13 #include "clang/Basic/DiagnosticOptions.h"
  14 #include "clang/Basic/FileManager.h"
  15 #include "clang/Basic/FileSystemOptions.h"
  16 #include "clang/Basic/LLVM.h"
  17 #include "clang/Basic/SourceLocation.h"
  18 #include "clang/Basic/SourceManager.h"
  19 #include "clang/Tooling/Core/Replacement.h"
  20 #include "llvm/ADT/IntrusiveRefCntPtr.h"
  21 #include "llvm/ADT/StringRef.h"
  22 #include "llvm/Support/Error.h"
  23 #include "llvm/Support/MemoryBuffer.h"
  24 #include "llvm/Support/VirtualFileSystem.h"
  25 #include "llvm/Testing/Support/Error.h"
  26 #include "gmock/gmock-matchers.h"
  27 #include "gmock/gmock.h"
  28 #include "gtest/gtest.h"
  29 #include <cassert>
  30 #include <string>
  31 #include <utility>
  32 #include <vector>
  33
  34 namespace clang {
  35 namespace clangd {
  36 namespace {
  37
  38 TEST(FileEdits, AbsolutePath) {
  39   auto RelPaths = {"a.h", "foo.cpp", "test/test.cpp"};
  40
  41   llvm::IntrusiveRefCntPtr<llvm::vfs::InMemoryFileSystem> MemFS(
  42       new llvm::vfs::InMemoryFileSystem);
  43   MemFS->setCurrentWorkingDirectory(testRoot());
  44   for (const auto *Path : RelPaths)
  45     MemFS->addFile(Path, 0, llvm::MemoryBuffer::getMemBuffer("", Path));
  46   FileManager FM(FileSystemOptions(), MemFS);
  47   DiagnosticsEngine DE(new DiagnosticIDs, new DiagnosticOptions);
  48   SourceManager SM(DE, FM);
  49
  50   for (const auto *Path : RelPaths) {
  51     auto FID = SM.createFileID(*FM.getOptionalFileRef(Path), SourceLocation(),
  52                                clang::SrcMgr::C_User);
  53     auto Res = Tweak::Effect::fileEdit(SM, FID, tooling::Replacements());
  54     ASSERT_THAT_EXPECTED(Res, llvm::Succeeded());
  55     EXPECT_EQ(Res->first, testPath(Path));
  56   }
  57 }
  58
  59 } // namespace
  60 } // namespace clangd
  61 } // namespace clang