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/Error.h"
7 #include "llvm/Support/FileSystem.h"
8 #include "llvm/Support/MemoryBuffer.h"
9 #include "llvm/Support/Path.h"
10
11 #include "gtest/gtest.h"
12
13 using namespace llvm;
14 using namespace llvm::unittest;
15
findSrcDirMap(StringRef Argv0)16 static std::pair<bool, SmallString<128>> findSrcDirMap(StringRef Argv0) {
17 SmallString<128> BaseDir = llvm::sys::path::parent_path(Argv0);
18
19 llvm::sys::fs::make_absolute(BaseDir);
20
21 SmallString<128> PathInSameDir = BaseDir;
22 llvm::sys::path::append(PathInSameDir, "llvm.srcdir.txt");
23
24 if (llvm::sys::fs::is_regular_file(PathInSameDir))
25 return std::make_pair(true, std::move(PathInSameDir));
26
27 SmallString<128> PathInParentDir = llvm::sys::path::parent_path(BaseDir);
28
29 llvm::sys::path::append(PathInParentDir, "llvm.srcdir.txt");
30 if (llvm::sys::fs::is_regular_file(PathInParentDir))
31 return std::make_pair(true, std::move(PathInParentDir));
32
33 return std::pair<bool, SmallString<128>>(false, {});
34 }
35
getInputFileDirectory(const char * Argv0)36 SmallString<128> llvm::unittest::getInputFileDirectory(const char *Argv0) {
37 bool Found = false;
38 SmallString<128> InputFilePath;
39 std::tie(Found, InputFilePath) = findSrcDirMap(Argv0);
40
41 EXPECT_TRUE(Found) << "Unit test source directory file does not exist.";
42
43 auto File = MemoryBuffer::getFile(InputFilePath, /*IsText=*/true);
44
45 EXPECT_TRUE(static_cast<bool>(File))
46 << "Could not open unit test source directory file.";
47
48 InputFilePath.clear();
49 InputFilePath.append((*File)->getBuffer().trim());
50 llvm::sys::path::append(InputFilePath, "Inputs");
51 llvm::sys::path::native(InputFilePath);
52 return InputFilePath;
53 }
54