lldb/unittests/Target/StackFrameRecognizerTest.cpp

   1 //===-- StackFrameRecognizerTest.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 "lldb/Target/StackFrameRecognizer.h"
  10 #include "Plugins/Platform/Linux/PlatformLinux.h"
  11 #include "lldb/Core/Debugger.h"
  12 #include "lldb/Host/FileSystem.h"
  13 #include "lldb/Host/HostInfo.h"
  14 #include "lldb/lldb-enumerations.h"
  15 #include "lldb/lldb-forward.h"
  16 #include "lldb/lldb-private-enumerations.h"
  17 #include "lldb/lldb-private.h"
  18 #include "llvm/Support/FormatVariadic.h"
  19 #include "gtest/gtest.h"
  20
  21 using namespace lldb_private;
  22 using namespace lldb_private::repro;
  23 using namespace lldb;
  24
  25 namespace {
  26 class StackFrameRecognizerTest : public ::testing::Test {
  27 public:
  28   void SetUp() override {
  29     FileSystem::Initialize();
  30     HostInfo::Initialize();
  31
  32     // Pretend Linux is the host platform.
  33     platform_linux::PlatformLinux::Initialize();
  34     ArchSpec arch("powerpc64-pc-linux");
  35     Platform::SetHostPlatform(
  36         platform_linux::PlatformLinux::CreateInstance(true, &arch));
  37   }
  38
  39   void TearDown() override {
  40     platform_linux::PlatformLinux::Terminate();
  41     HostInfo::Terminate();
  42     FileSystem::Terminate();
  43   }
  44 };
  45
  46 class DummyStackFrameRecognizer : public StackFrameRecognizer {
  47 public:
  48   std::string GetName() override { return "Dummy StackFrame Recognizer"; }
  49 };
  50
  51 void RegisterDummyStackFrameRecognizer(StackFrameRecognizerManager &manager) {
  52   RegularExpressionSP module_regex_sp = nullptr;
  53   RegularExpressionSP symbol_regex_sp(new RegularExpression("boom"));
  54
  55   StackFrameRecognizerSP dummy_recognizer_sp(new DummyStackFrameRecognizer());
  56
  57   manager.AddRecognizer(dummy_recognizer_sp, module_regex_sp, symbol_regex_sp,
  58                         Mangled::NamePreference::ePreferDemangled, false);
  59 }
  60
  61 } // namespace
  62
  63 TEST_F(StackFrameRecognizerTest, NullModuleRegex) {
  64   DebuggerSP debugger_sp = Debugger::CreateInstance();
  65   ASSERT_TRUE(debugger_sp);
  66
  67   StackFrameRecognizerManager manager;
  68
  69   RegisterDummyStackFrameRecognizer(manager);
  70
  71   bool any_printed = false;
  72   manager.ForEach([&any_printed](uint32_t recognizer_id, bool enabled,
  73                                  std::string name, std::string function,
  74                                  llvm::ArrayRef<ConstString> symbols,
  75                                  Mangled::NamePreference symbol_mangling,
  76                                  bool regexp) { any_printed = true; });
  77
  78   EXPECT_TRUE(any_printed);
  79 }