1 2 #include "llvm/Testing/Support/SupportHelpers.h" 3 4 #include "llvm/ADT/SmallString.h" 5 #include "llvm/ADT/Twine.h" 6 #include "llvm/Support/FileSystem.h" 7 #include "llvm/Support/MemoryBuffer.h" 8 #include "llvm/Support/Path.h" 9 10 #include "gtest/gtest.h" 11 12 using namespace llvm; 13 using namespace llvm::unittest; 14 15 static std::pair<bool, SmallString<128>> findSrcDirMap(StringRef Argv0) { 16 SmallString<128> BaseDir = llvm::sys::path::parent_path(Argv0); 17 18 llvm::sys::fs::make_absolute(BaseDir); 19 20 SmallString<128> PathInSameDir = BaseDir; 21 llvm::sys::path::append(PathInSameDir, "llvm.srcdir.txt"); 22 23 if (llvm::sys::fs::is_regular_file(PathInSameDir)) 24 return std::make_pair(true, std::move(PathInSameDir)); 25 26 SmallString<128> PathInParentDir = llvm::sys::path::parent_path(BaseDir); 27 28 llvm::sys::path::append(PathInParentDir, "llvm.srcdir.txt"); 29 if (llvm::sys::fs::is_regular_file(PathInParentDir)) 30 return std::make_pair(true, std::move(PathInParentDir)); 31 32 return std::pair<bool, SmallString<128>>(false, {}); 33 } 34 35 SmallString<128> llvm::unittest::getInputFileDirectory(const char *Argv0) { 36 bool Found = false; 37 SmallString<128> InputFilePath; 38 std::tie(Found, InputFilePath) = findSrcDirMap(Argv0); 39 40 EXPECT_TRUE(Found) << "Unit test source directory file does not exist."; 41 42 auto File = MemoryBuffer::getFile(InputFilePath, /*IsText=*/true); 43 44 EXPECT_TRUE(static_cast<bool>(File)) 45 << "Could not open unit test source directory file."; 46 47 InputFilePath.clear(); 48 InputFilePath.append((*File)->getBuffer().trim()); 49 llvm::sys::path::append(InputFilePath, "Inputs"); 50 llvm::sys::path::native(InputFilePath); 51 return InputFilePath; 52 } 53