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
21using namespace lldb_private;
22using namespace lldb_private::repro;
23using namespace lldb;
24
25namespace {
26class StackFrameRecognizerTest : public ::testing::Test {
27public:
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(force: true, arch: &arch));
37 }
38
39 void TearDown() override {
40 platform_linux::PlatformLinux::Terminate();
41 HostInfo::Terminate();
42 FileSystem::Terminate();
43 }
44};
45
46class DummyStackFrameRecognizer : public StackFrameRecognizer {
47public:
48 std::string GetName() override { return "Dummy StackFrame Recognizer"; }
49};
50
51void 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(recognizer: dummy_recognizer_sp, module: module_regex_sp, symbol: symbol_regex_sp,
58 first_instruction_only: false);
59}
60
61} // namespace
62
63TEST_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(callback: [&any_printed](uint32_t recognizer_id, std::string name,
73 std::string function,
74 llvm::ArrayRef<ConstString> symbols,
75 bool regexp) { any_printed = true; });
76
77 EXPECT_TRUE(any_printed);
78}
79

source code of lldb/unittests/Target/StackFrameRecognizerTest.cpp