1343171Sdim 2343171Sdim#include "llvm/Testing/Support/SupportHelpers.h" 3343171Sdim 4343171Sdim#include "llvm/ADT/SmallString.h" 5343171Sdim#include "llvm/ADT/Twine.h" 6343171Sdim#include "llvm/Support/Error.h" 7343171Sdim#include "llvm/Support/FileSystem.h" 8343171Sdim#include "llvm/Support/MemoryBuffer.h" 9343171Sdim#include "llvm/Support/Path.h" 10343171Sdim 11343171Sdim#include "gtest/gtest.h" 12343171Sdim 13343171Sdimusing namespace llvm; 14343171Sdimusing namespace llvm::unittest; 15343171Sdim 16343171Sdimstatic std::pair<bool, SmallString<128>> findSrcDirMap(StringRef Argv0) { 17343171Sdim SmallString<128> BaseDir = llvm::sys::path::parent_path(Argv0); 18343171Sdim 19343171Sdim llvm::sys::fs::make_absolute(BaseDir); 20343171Sdim 21343171Sdim SmallString<128> PathInSameDir = BaseDir; 22343171Sdim llvm::sys::path::append(PathInSameDir, "llvm.srcdir.txt"); 23343171Sdim 24343171Sdim if (llvm::sys::fs::is_regular_file(PathInSameDir)) 25343171Sdim return std::make_pair(true, std::move(PathInSameDir)); 26343171Sdim 27343171Sdim SmallString<128> PathInParentDir = llvm::sys::path::parent_path(BaseDir); 28343171Sdim 29343171Sdim llvm::sys::path::append(PathInParentDir, "llvm.srcdir.txt"); 30343171Sdim if (llvm::sys::fs::is_regular_file(PathInParentDir)) 31343171Sdim return std::make_pair(true, std::move(PathInParentDir)); 32343171Sdim 33343171Sdim return std::pair<bool, SmallString<128>>(false, {}); 34343171Sdim} 35343171Sdim 36343171SdimSmallString<128> llvm::unittest::getInputFileDirectory(const char *Argv0) { 37343171Sdim bool Found = false; 38343171Sdim SmallString<128> InputFilePath; 39343171Sdim std::tie(Found, InputFilePath) = findSrcDirMap(Argv0); 40343171Sdim 41343171Sdim EXPECT_TRUE(Found) << "Unit test source directory file does not exist."; 42343171Sdim 43343171Sdim auto File = MemoryBuffer::getFile(InputFilePath); 44343171Sdim 45343171Sdim EXPECT_TRUE(static_cast<bool>(File)) 46343171Sdim << "Could not open unit test source directory file."; 47343171Sdim 48343171Sdim InputFilePath.clear(); 49343171Sdim InputFilePath.append((*File)->getBuffer().trim()); 50343171Sdim llvm::sys::path::append(InputFilePath, "Inputs"); 51343171Sdim llvm::sys::path::native(InputFilePath); 52343171Sdim return InputFilePath; 53343171Sdim} 54