llvm-project/lldb/unittests/Target/StackFrameRecognizerTest.cpp

84 lines
2.6 KiB
C++

//===-- StackFrameRecognizerTest.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 "lldb/Target/StackFrameRecognizer.h"
#include "Plugins/Platform/Linux/PlatformLinux.h"
#include "lldb/Core/Debugger.h"
#include "lldb/Host/FileSystem.h"
#include "lldb/Host/HostInfo.h"
#include "lldb/Utility/Reproducer.h"
#include "lldb/lldb-enumerations.h"
#include "lldb/lldb-forward.h"
#include "lldb/lldb-private-enumerations.h"
#include "lldb/lldb-private.h"
#include "llvm/Support/FormatVariadic.h"
#include "gtest/gtest.h"
using namespace lldb_private;
using namespace lldb_private::repro;
using namespace lldb;
namespace {
class StackFrameRecognizerTest : public ::testing::Test {
public:
void SetUp() override {
llvm::cantFail(Reproducer::Initialize(ReproducerMode::Off, llvm::None));
FileSystem::Initialize();
HostInfo::Initialize();
// Pretend Linux is the host platform.
platform_linux::PlatformLinux::Initialize();
ArchSpec arch("powerpc64-pc-linux");
Platform::SetHostPlatform(
platform_linux::PlatformLinux::CreateInstance(true, &arch));
}
void TearDown() override {
platform_linux::PlatformLinux::Terminate();
HostInfo::Terminate();
FileSystem::Terminate();
Reproducer::Terminate();
}
};
class DummyStackFrameRecognizer : public StackFrameRecognizer {
public:
std::string GetName() override { return "Dummy StackFrame Recognizer"; }
};
void RegisterDummyStackFrameRecognizer() {
static llvm::once_flag g_once_flag;
llvm::call_once(g_once_flag, []() {
RegularExpressionSP module_regex_sp = nullptr;
RegularExpressionSP symbol_regex_sp(new RegularExpression("boom"));
StackFrameRecognizerSP dummy_recognizer_sp(new DummyStackFrameRecognizer());
StackFrameRecognizerManager::AddRecognizer(
dummy_recognizer_sp, module_regex_sp, symbol_regex_sp, false);
});
}
} // namespace
TEST_F(StackFrameRecognizerTest, NullModuleRegex) {
DebuggerSP debugger_sp = Debugger::CreateInstance();
ASSERT_TRUE(debugger_sp);
RegisterDummyStackFrameRecognizer();
bool any_printed = false;
StackFrameRecognizerManager::ForEach(
[&any_printed](uint32_t recognizer_id, std::string name,
std::string function, llvm::ArrayRef<ConstString> symbols,
bool regexp) { any_printed = true; });
EXPECT_TRUE(any_printed);
}