The Tor Browser: comparison toolkit/crashreporter/google-breakpad/src/processor/stackwalker_unittest

--1:000000000000
+:3cf63a0f13d3
+// -*- mode: C++ -*-
+// Copyright (c) 2010, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+// Original author: Jim Blandy <jimb@mozilla.com> <jimb@red-bean.com>
+// Mock classes for writing stackwalker tests, shared amongst architectures.
+#ifndef PROCESSOR_STACKWALKER_UNITTEST_UTILS_H_
+#define PROCESSOR_STACKWALKER_UNITTEST_UTILS_H_
+#include <stdlib.h>
+#include <string>
+#include <vector>
+#include "common/using_std_string.h"
+#include "google_breakpad/common/breakpad_types.h"
+#include "google_breakpad/processor/code_module.h"
+#include "google_breakpad/processor/code_modules.h"
+#include "google_breakpad/processor/memory_region.h"
+#include "google_breakpad/processor/symbol_supplier.h"
+#include "google_breakpad/processor/system_info.h"
+class MockMemoryRegion: public google_breakpad::MemoryRegion {
+public:
+MockMemoryRegion(): base_address_(0) { }
+// Set this region's address and contents. If we have placed an
+// instance of this class in a test fixture class, individual tests
+// can use this to provide the region's contents.
+void Init(uint64_t base_address, const string &contents) {
+base_address_ = base_address;
+contents_ = contents;
+}
+uint64_t GetBase() const { return base_address_; }
+uint32_t GetSize() const { return contents_.size(); }
+bool GetMemoryAtAddress(uint64_t address, uint8_t  *value) const {
+return GetMemoryLittleEndian(address, value);
+}
+bool GetMemoryAtAddress(uint64_t address, uint16_t *value) const {
+return GetMemoryLittleEndian(address, value);
+}
+bool GetMemoryAtAddress(uint64_t address, uint32_t *value) const {
+return GetMemoryLittleEndian(address, value);
+}
+bool GetMemoryAtAddress(uint64_t address, uint64_t *value) const {
+return GetMemoryLittleEndian(address, value);
+}
+private:
+// Fetch a little-endian value from ADDRESS in contents_ whose size
+// is BYTES, and store it in *VALUE. Return true on success.
+template<typename ValueType>
+bool GetMemoryLittleEndian(uint64_t address, ValueType *value) const {
+if (address < base_address_ ||
+address - base_address_ + sizeof(ValueType) > contents_.size())
+return false;
+ValueType v = 0;
+int start = address - base_address_;
+// The loop condition is odd, but it's correct for size_t.
+for (size_t i = sizeof(ValueType) - 1; i < sizeof(ValueType); i--)
+v = (v << 8) | static_cast<unsigned char>(contents_[start + i]);
+*value = v;
+return true;
+}
+uint64_t base_address_;
+string contents_;
+};
+class MockCodeModule: public google_breakpad::CodeModule {
+public:
+MockCodeModule(uint64_t base_address, uint64_t size,
+const string &code_file, const string &version)
+: base_address_(base_address), size_(size), code_file_(code_file) { }
+uint64_t base_address()       const { return base_address_; }
+uint64_t size()               const { return size_; }
+string code_file()        const { return code_file_; }
+string code_identifier()  const { return code_file_; }
+string debug_file()       const { return code_file_; }
+string debug_identifier() const { return code_file_; }
+string version()          const { return version_; }
+const google_breakpad::CodeModule *Copy() const {
+abort(); // Tests won't use this.
+}
+private:
+uint64_t base_address_;
+uint64_t size_;
+string code_file_;
+string version_;
+};
+class MockCodeModules: public google_breakpad::CodeModules {
+public:
+typedef google_breakpad::CodeModule CodeModule;
+typedef google_breakpad::CodeModules CodeModules;
+void Add(const MockCodeModule *module) {
+modules_.push_back(module);
+}
+unsigned int module_count() const { return modules_.size(); }
+const CodeModule *GetModuleForAddress(uint64_t address) const {
+for (ModuleVector::const_iterator i = modules_.begin();
+i != modules_.end(); i++) {
+const MockCodeModule *module = *i;
+if (module->base_address() <= address &&
+address - module->base_address() < module->size())
+return module;
+}
+return NULL;
+};
+const CodeModule *GetMainModule() const { return modules_[0]; }
+const CodeModule *GetModuleAtSequence(unsigned int sequence) const {
+return modules_.at(sequence);
+}
+const CodeModule *GetModuleAtIndex(unsigned int index) const {
+return modules_.at(index);
+}
+const CodeModules *Copy() const { abort(); } // Tests won't use this.
+private:
+typedef std::vector<const MockCodeModule *> ModuleVector;
+ModuleVector modules_;
+};
+class MockSymbolSupplier: public google_breakpad::SymbolSupplier {
+public:
+typedef google_breakpad::CodeModule CodeModule;
+typedef google_breakpad::SystemInfo SystemInfo;
+MOCK_METHOD3(GetSymbolFile, SymbolResult(const CodeModule *module,
+const SystemInfo *system_info,
+string *symbol_file));
+MOCK_METHOD4(GetSymbolFile, SymbolResult(const CodeModule *module,
+const SystemInfo *system_info,
+string *symbol_file,
+string *symbol_data));
+MOCK_METHOD4(GetCStringSymbolData, SymbolResult(const CodeModule *module,
+const SystemInfo *system_info,
+string *symbol_file,
+char **symbol_data));
+MOCK_METHOD1(FreeSymbolData, void(const CodeModule *module));
+// Copies the passed string contents into a newly allocated buffer.
+// The newly allocated buffer will be freed during destruction.
+char* CopySymbolDataAndOwnTheCopy(const std::string &info) {
+unsigned int buffer_size = info.size() + 1;
+char *symbol_data = new char [buffer_size];
+strcpy(symbol_data, info.c_str());
+symbol_data_to_free_.push_back(symbol_data);
+return symbol_data;
+}
+virtual ~MockSymbolSupplier() {
+for (SymbolDataVector::const_iterator i = symbol_data_to_free_.begin();
+i != symbol_data_to_free_.end(); i++) {
+char* symbol_data = *i;
+delete [] symbol_data;
+}
+}
+private:
+// List of symbol data to be freed upon destruction
+typedef std::vector<char*> SymbolDataVector;
+SymbolDataVector symbol_data_to_free_;
+};
+#endif // PROCESSOR_STACKWALKER_UNITTEST_UTILS_H_

The Tor Browser / file comparison

comparison: toolkit/crashreporter/google-breakpad/src/processor/stackwalker_unittest_utils.h

toolkit/crashreporter/google-breakpad/src/processor/stackwalker_unittest_utils.h