lldb/unittests/Expression/ClangParserTest.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-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
  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
  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__)
  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__