ClangParserTest.cpp
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//===-- ClangParserTest.cpp -----------------------------------------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "clang/Basic/Version.h"
#include "Plugins/ExpressionParser/Clang/ClangHost.h"
#include "TestingSupport/SubsystemRAII.h"
#include "TestingSupport/TestUtilities.h"
#include "lldb/Host/Config.h"
#include "lldb/Host/FileSystem.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Utility/FileSpec.h"
#include "lldb/lldb-defines.h"
#include "gtest/gtest.h"
using namespace lldb_private;
namespace {
struct ClangHostTest : public testing::Test {
SubsystemRAII<FileSystem, HostInfo> subsystems;
};
} // namespace
static std::string ComputeClangResourceDir(std::string lldb_shlib_path,
bool verify = false) {
FileSpec clang_dir;
FileSpec lldb_shlib_spec(lldb_shlib_path);
ComputeClangResourceDirectory(lldb_shlib_spec, clang_dir, verify);
return clang_dir.GetPath();
}
TEST_F(ClangHostTest, ComputeClangResourceDirectory) {
#if !defined(_WIN32)
std::string path_to_liblldb = "/foo/bar/lib/";
std::string path_to_clang_dir = "/foo/bar/lib" LLDB_LIBDIR_SUFFIX "/clang/" CLANG_VERSION_STRING;
#else
std::string path_to_liblldb = "C:\\foo\\bar\\lib";
std::string path_to_clang_dir = "C:\\foo\\bar\\lib\\clang\\" CLANG_VERSION_STRING;
#endif
EXPECT_EQ(ComputeClangResourceDir(path_to_liblldb), path_to_clang_dir);
// The path doesn't really exist, so setting verify to true should make
// ComputeClangResourceDir not give you path_to_clang_dir.
EXPECT_NE(ComputeClangResourceDir(path_to_liblldb, true), path_to_clang_dir);
}
#if defined(__APPLE__)
TEST_F(ClangHostTest, MacOSX) {
// This returns whatever the POSIX fallback returns.
std::string posix = "/usr/lib/liblldb.dylib";
EXPECT_FALSE(ComputeClangResourceDir(posix).empty());
std::string build =
"/lldb-macosx-x86_64/Library/Frameworks/LLDB.framework/Versions/A";
std::string build_clang =
"/lldb-macosx-x86_64/Library/Frameworks/LLDB.framework/Resources/Clang";
EXPECT_EQ(ComputeClangResourceDir(build), build_clang);
std::string xcode = "/Applications/Xcode.app/Contents/SharedFrameworks/"
"LLDB.framework/Versions/A";
std::string xcode_clang =
"/Applications/Xcode.app/Contents/Developer/Toolchains/"
"XcodeDefault.xctoolchain/usr/lib/swift/clang";
EXPECT_EQ(ComputeClangResourceDir(xcode), xcode_clang);
std::string toolchain =
"/Applications/Xcode.app/Contents/Developer/Toolchains/"
"Swift-4.1-development-snapshot.xctoolchain/System/Library/"
"PrivateFrameworks/LLDB.framework";
std::string toolchain_clang =
"/Applications/Xcode.app/Contents/Developer/Toolchains/"
"Swift-4.1-development-snapshot.xctoolchain/usr/lib/swift/clang";
EXPECT_EQ(ComputeClangResourceDir(toolchain), toolchain_clang);
std::string cltools = "/Library/Developer/CommandLineTools/Library/"
"PrivateFrameworks/LLDB.framework";
std::string cltools_clang =
"/Library/Developer/CommandLineTools/Library/PrivateFrameworks/"
"LLDB.framework/Resources/Clang";
EXPECT_EQ(ComputeClangResourceDir(cltools), cltools_clang);
// Test that a bogus path is detected.
EXPECT_NE(ComputeClangResourceDir(GetInputFilePath(xcode), true),
ComputeClangResourceDir(GetInputFilePath(xcode)));
}
#endif // __APPLE__