104 lines · cpp
1//===-- ClangParserTest.cpp -----------------------------------------------===//2//3// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.4// See https://llvm.org/LICENSE.txt for license information.5// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception6//7//===----------------------------------------------------------------------===//8 9#include "clang/Basic/Version.h"10#include "clang/Config/config.h"11#include "clang/Options/OptionUtils.h"12 13#include "Plugins/ExpressionParser/Clang/ClangHost.h"14#include "TestingSupport/SubsystemRAII.h"15#include "TestingSupport/TestUtilities.h"16#include "lldb/Host/Config.h"17#include "lldb/Host/FileSystem.h"18#include "lldb/Host/HostInfo.h"19#include "lldb/Utility/FileSpec.h"20#include "lldb/lldb-defines.h"21#include "gtest/gtest.h"22 23using namespace lldb_private;24 25namespace {26struct ClangHostTest : public testing::Test {27 SubsystemRAII<FileSystem, HostInfo> subsystems;28};29} // namespace30 31static std::string ComputeClangResourceDir(std::string lldb_shlib_path,32 bool verify = false) {33 FileSpec clang_dir;34 FileSpec lldb_shlib_spec(lldb_shlib_path);35 ComputeClangResourceDirectory(lldb_shlib_spec, clang_dir, verify);36 return clang_dir.GetPath();37}38 39TEST_F(ClangHostTest, ComputeClangResourceDirectory) {40#if !defined(_WIN32)41 std::string path_to_liblldb = "/foo/bar/lib/";42#else43 std::string path_to_liblldb = "C:\\foo\\bar\\lib\\";44#endif45 std::string path_to_clang_dir =46 clang::GetResourcesPath(path_to_liblldb + "liblldb");47 llvm::SmallString<256> path_to_clang_lib_dir_real;48 llvm::sys::fs::real_path(path_to_clang_dir, path_to_clang_lib_dir_real);49 50 std::string computed_path = ComputeClangResourceDir(path_to_liblldb);51 llvm::SmallString<256> computed_path_real;52 llvm::sys::fs::real_path(computed_path, computed_path_real);53 54 // When CLANG_RESOURCE_DIR is set, both the functions we use here behave in55 // such a way that leads to one path being lib/ and the other bin/. Check that56 // they are equivalent after any ".." have been resolved.57 EXPECT_EQ(path_to_clang_lib_dir_real, computed_path_real);58 59 // The path doesn't really exist, so setting verify to true should make60 // ComputeClangResourceDir not give you path_to_clang_dir.61 EXPECT_NE(ComputeClangResourceDir(path_to_liblldb, true), path_to_clang_dir);62}63 64#if defined(__APPLE__)65TEST_F(ClangHostTest, MacOSX) {66 // This returns whatever the POSIX fallback returns.67 std::string posix = "/usr/lib/liblldb.dylib";68 EXPECT_FALSE(ComputeClangResourceDir(posix).empty());69 70 std::string build =71 "/lldb-macosx-x86_64/Library/Frameworks/LLDB.framework/Versions/A";72 std::string build_clang =73 "/lldb-macosx-x86_64/Library/Frameworks/LLDB.framework/Resources/Clang";74 EXPECT_EQ(ComputeClangResourceDir(build), build_clang);75 76 std::string xcode = "/Applications/Xcode.app/Contents/SharedFrameworks/"77 "LLDB.framework/Versions/A";78 std::string xcode_clang =79 "/Applications/Xcode.app/Contents/Developer/Toolchains/"80 "XcodeDefault.xctoolchain/usr/lib/swift/clang";81 EXPECT_EQ(ComputeClangResourceDir(xcode), xcode_clang);82 83 std::string toolchain =84 "/Applications/Xcode.app/Contents/Developer/Toolchains/"85 "Swift-4.1-development-snapshot.xctoolchain/System/Library/"86 "PrivateFrameworks/LLDB.framework";87 std::string toolchain_clang =88 "/Applications/Xcode.app/Contents/Developer/Toolchains/"89 "Swift-4.1-development-snapshot.xctoolchain/usr/lib/swift/clang";90 EXPECT_EQ(ComputeClangResourceDir(toolchain), toolchain_clang);91 92 std::string cltools = "/Library/Developer/CommandLineTools/Library/"93 "PrivateFrameworks/LLDB.framework";94 std::string cltools_clang =95 "/Library/Developer/CommandLineTools/Library/PrivateFrameworks/"96 "LLDB.framework/Resources/Clang";97 EXPECT_EQ(ComputeClangResourceDir(cltools), cltools_clang);98 99 // Test that a bogus path is detected.100 EXPECT_NE(ComputeClangResourceDir(GetInputFilePath(xcode), true),101 ComputeClangResourceDir(GetInputFilePath(xcode)));102}103#endif // __APPLE__104