53 lines · cpp
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 12using namespace llvm;13using namespace llvm::unittest;14 15static 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 35SmallString<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