llvm-project/clang-tools-extra/unittests/cpp11-migrate/UniqueHeaderNameTest.cpp

62 lines
2.2 KiB
C++

//===- unittests/cpp11-migrate/UniqueHeaderNameTest.cpp -------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// Test for the generateReplacementsFileName() in FileOverrides.h
//
//===----------------------------------------------------------------------===//
#include "gtest/gtest.h"
#include "Core/FileOverrides.h"
#include "llvm/Support/FileSystem.h"
#include "llvm/Support/Path.h"
#include "llvm/Support/Regex.h"
#include "llvm/Support/system_error.h"
TEST(UniqueHeaderName, testUniqueHeaderName) {
using namespace llvm::sys::path;
llvm::SmallString<32> TmpDir;
system_temp_directory(true, TmpDir);
llvm::SmallString<128> SourceFile(TmpDir);
append(SourceFile, "project/lib/feature.cpp");
native(SourceFile.str().str(), SourceFile);
llvm::SmallString<128> HeaderFile(TmpDir);
append(HeaderFile, "project/include/feature.h");
native(HeaderFile.str().str(), HeaderFile);
llvm::SmallString<128> ExpectedName("^feature.cpp_feature.h_[0-9a-f]{2}_[0-9a-f]{2}_[0-9a-f]{2}_[0-9a-f]{2}_[0-9a-f]{2}_[0-9a-f]{2}.yaml$");
llvm::SmallString<128> ActualName;
llvm::SmallString<128> Error;
bool Result =
generateReplacementsFileName(SourceFile, HeaderFile, ActualName, Error);
ASSERT_TRUE(Result);
EXPECT_TRUE(Error.empty());
// We need to check the directory name and filename separately since on
// Windows, the path separator is '\' which is a regex escape character.
llvm::SmallString<128> ExpectedHeaderPath =
llvm::sys::path::parent_path(HeaderFile);
llvm::SmallString<128> ActualHeaderPath =
llvm::sys::path::parent_path(ActualName);
llvm::SmallString<128> ActualHeaderName =
llvm::sys::path::filename(ActualName);
EXPECT_STREQ(ExpectedHeaderPath.c_str(), ActualHeaderPath.c_str());
llvm::Regex R(ExpectedName);
ASSERT_TRUE(R.match(ActualHeaderName))
<< "ExpectedName: " << ExpectedName.c_str()
<< "\nActualName: " << ActualName.c_str();
ASSERT_TRUE(Error.empty()) << "Error: " << Error.c_str();
}