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// Copyright 2020 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifdef UNSAFE_BUFFERS_BUILD
// TODO(crbug.com/40285824): Remove this and convert code to safer constructs.
#pragma allow_unsafe_buffers
#endif
#include "remoting/host/win/event_trace_data.h"
#include "base/check.h"
#include "base/logging.h"
#include "base/logging_win.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace remoting {
namespace {
constexpr int kProcessId = 12345;
constexpr int kThreadId = 54321;
constexpr DWORD kStackDepth = 5;
constexpr int32_t kLineNumber = 42;
constexpr char kFilePath[] = "//remoting/host/win/awesome_stuff.cc\0";
constexpr char kFileName[] = "awesome_stuff.cc\0";
constexpr char kTestLogMessage[] = "BlerghityBlah!\0";
constexpr char kWarning[] = "WARNING";
} // namespace
class EventTraceDataTest : public ::testing::Test {
protected:
void InitForLogMessage();
void InitForLogMessageFull();
size_t ReserveBufferSpace(size_t space_needed);
FILETIME time_ = {};
EVENT_TRACE event_trace_ = {};
std::vector<uint8_t> buffer_;
private:
void InitSharedFields(uint8_t type);
};
void EventTraceDataTest::InitSharedFields(uint8_t type) {
event_trace_.Header.Class.Type = type;
event_trace_.Header.Class.Level = TRACE_LEVEL_WARNING;
event_trace_.Header.ProcessId = kProcessId;
event_trace_.Header.ThreadId = kThreadId;
GetSystemTimeAsFileTime(&time_);
event_trace_.Header.TimeStamp.LowPart = time_.dwLowDateTime;
event_trace_.Header.TimeStamp.HighPart = time_.dwHighDateTime;
buffer_.clear();
}
void EventTraceDataTest::InitForLogMessage() {
InitSharedFields(static_cast<uint8_t>(logging::LOG_MESSAGE));
size_t message_length = strlen(kTestLogMessage) + 1;
buffer_.resize(message_length);
memcpy(buffer_.data(), kTestLogMessage, message_length);
event_trace_.MofData = buffer_.data();
event_trace_.MofLength = buffer_.size();
}
void EventTraceDataTest::InitForLogMessageFull() {
InitSharedFields(static_cast<uint8_t>(logging::LOG_MESSAGE_FULL));
// Set up the stack trace info.
size_t data_size = sizeof(DWORD);
size_t offset = ReserveBufferSpace(data_size);
memcpy(buffer_.data() + offset, &kStackDepth, data_size);
// Allocate space for the 'stack trace' info.
data_size = kStackDepth * sizeof(intptr_t);
offset = ReserveBufferSpace(data_size);
memset(buffer_.data() + offset, 0, data_size);
// Set the line number.
data_size = sizeof(DWORD);
offset = ReserveBufferSpace(data_size);
memcpy(buffer_.data() + offset, &kLineNumber, data_size);
// Set the file path.
data_size = strlen(kFilePath) + 1;
offset = ReserveBufferSpace(data_size);
memcpy(buffer_.data() + offset, &kFilePath, data_size);
// Set the log message.
data_size = strlen(kTestLogMessage) + 1;
offset = ReserveBufferSpace(data_size);
memcpy(buffer_.data() + offset, &kTestLogMessage, data_size);
event_trace_.MofData = buffer_.data();
event_trace_.MofLength = buffer_.size();
}
size_t EventTraceDataTest::ReserveBufferSpace(size_t space_needed) {
size_t original_size = buffer_.size();
buffer_.resize(original_size + space_needed);
return original_size;
}
TEST_F(EventTraceDataTest, LogMessage) {
InitForLogMessage();
EventTraceData data = EventTraceData::Create(&event_trace_);
EXPECT_EQ(logging::LOG_MESSAGE, data.event_type);
EXPECT_EQ(logging::LOGGING_WARNING, data.severity);
EXPECT_EQ(kProcessId, data.process_id);
EXPECT_EQ(kThreadId, data.thread_id);
EXPECT_STREQ(kTestLogMessage, data.message.c_str());
// File and line data should not be filled in for this log message type.
EXPECT_EQ(std::string(), data.file_name);
EXPECT_EQ(0, data.line);
}
TEST_F(EventTraceDataTest, LogFullMessage) {
InitForLogMessageFull();
EventTraceData data = EventTraceData::Create(&event_trace_);
EXPECT_EQ(logging::LOG_MESSAGE_FULL, data.event_type);
EXPECT_EQ(logging::LOGGING_WARNING, data.severity);
EXPECT_EQ(kWarning, EventTraceData::SeverityToString(data.severity));
EXPECT_EQ(kProcessId, data.process_id);
EXPECT_EQ(kThreadId, data.thread_id);
EXPECT_EQ(kLineNumber, data.line);
EXPECT_STREQ(kFileName, data.file_name.c_str());
EXPECT_STREQ(kTestLogMessage, data.message.c_str());
}
} // namespace remoting
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