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-exception
6 //
7 //===----------------------------------------------------------------------===//
8
9 #include "clang/Basic/Version.h"
10
11 #include "Plugins/ExpressionParser/Clang/ClangHost.h"
12 #include "TestingSupport/SubsystemRAII.h"
13 #include "TestingSupport/TestUtilities.h"
14 #include "lldb/Host/Config.h"
15 #include "lldb/Host/FileSystem.h"
16 #include "lldb/Host/HostInfo.h"
17 #include "lldb/Utility/FileSpec.h"
18 #include "lldb/lldb-defines.h"
19 #include "gtest/gtest.h"
20
21 using namespace lldb_private;
22
23 namespace {
24 struct ClangHostTest : public testing::Test {
25 SubsystemRAII<FileSystem, HostInfo> subsystems;
26 };
27 } // namespace
28
ComputeClangResourceDir(std::string lldb_shlib_path,bool verify=false)29 static std::string ComputeClangResourceDir(std::string lldb_shlib_path,
30 bool verify = false) {
31 FileSpec clang_dir;
32 FileSpec lldb_shlib_spec(lldb_shlib_path);
33 ComputeClangResourceDirectory(lldb_shlib_spec, clang_dir, verify);
34 return clang_dir.GetPath();
35 }
36
TEST_F(ClangHostTest,ComputeClangResourceDirectory)37 TEST_F(ClangHostTest, ComputeClangResourceDirectory) {
38 #if !defined(_WIN32)
39 std::string path_to_liblldb = "/foo/bar/lib/";
40 std::string path_to_clang_dir = "/foo/bar/lib" LLDB_LIBDIR_SUFFIX "/clang/" CLANG_VERSION_STRING;
41 #else
42 std::string path_to_liblldb = "C:\\foo\\bar\\lib";
43 std::string path_to_clang_dir = "C:\\foo\\bar\\lib\\clang\\" CLANG_VERSION_STRING;
44 #endif
45 EXPECT_EQ(ComputeClangResourceDir(path_to_liblldb), path_to_clang_dir);
46
47 // The path doesn't really exist, so setting verify to true should make
48 // ComputeClangResourceDir not give you path_to_clang_dir.
49 EXPECT_NE(ComputeClangResourceDir(path_to_liblldb, true), path_to_clang_dir);
50 }
51
52 #if defined(__APPLE__)
TEST_F(ClangHostTest,MacOSX)53 TEST_F(ClangHostTest, MacOSX) {
54 // This returns whatever the POSIX fallback returns.
55 std::string posix = "/usr/lib/liblldb.dylib";
56 EXPECT_FALSE(ComputeClangResourceDir(posix).empty());
57
58 std::string build =
59 "/lldb-macosx-x86_64/Library/Frameworks/LLDB.framework/Versions/A";
60 std::string build_clang =
61 "/lldb-macosx-x86_64/Library/Frameworks/LLDB.framework/Resources/Clang";
62 EXPECT_EQ(ComputeClangResourceDir(build), build_clang);
63
64 std::string xcode = "/Applications/Xcode.app/Contents/SharedFrameworks/"
65 "LLDB.framework/Versions/A";
66 std::string xcode_clang =
67 "/Applications/Xcode.app/Contents/Developer/Toolchains/"
68 "XcodeDefault.xctoolchain/usr/lib/swift/clang";
69 EXPECT_EQ(ComputeClangResourceDir(xcode), xcode_clang);
70
71 std::string toolchain =
72 "/Applications/Xcode.app/Contents/Developer/Toolchains/"
73 "Swift-4.1-development-snapshot.xctoolchain/System/Library/"
74 "PrivateFrameworks/LLDB.framework";
75 std::string toolchain_clang =
76 "/Applications/Xcode.app/Contents/Developer/Toolchains/"
77 "Swift-4.1-development-snapshot.xctoolchain/usr/lib/swift/clang";
78 EXPECT_EQ(ComputeClangResourceDir(toolchain), toolchain_clang);
79
80 std::string cltools = "/Library/Developer/CommandLineTools/Library/"
81 "PrivateFrameworks/LLDB.framework";
82 std::string cltools_clang =
83 "/Library/Developer/CommandLineTools/Library/PrivateFrameworks/"
84 "LLDB.framework/Resources/Clang";
85 EXPECT_EQ(ComputeClangResourceDir(cltools), cltools_clang);
86
87 // Test that a bogus path is detected.
88 EXPECT_NE(ComputeClangResourceDir(GetInputFilePath(xcode), true),
89 ComputeClangResourceDir(GetInputFilePath(xcode)));
90 }
91 #endif // __APPLE__
92