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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ash/system/input_device_settings/input_device_settings_logging.h"
#include <stddef.h>
#include "ash/constants/ash_features.h"
#include "base/no_destructor.h"
#include "base/test/scoped_feature_list.h"
#include "testing/gtest/include/gtest/gtest.h"
namespace ash {
namespace {
const char kLog1[] = "This string should exist in the log";
const char kLog2[] = "This string should not exist in the log";
// Called for every log message added to the standard logging system. The new
// log is saved in |standard_logs| and consumed so it does not flood stdout.
std::vector<std::string>& GetStandardLogs() {
static base::NoDestructor<std::vector<std::string>> standard_logs;
return *standard_logs;
}
bool HandleStandardLogMessage(int severity,
const char* file,
int line,
size_t message_start,
const std::string& str) {
GetStandardLogs().push_back(str);
return true;
}
} // namespace
class InputDeviceSettingsLoggingTest : public testing::Test {
public:
InputDeviceSettingsLoggingTest() = default;
void SetUp() override {
GetStandardLogs().clear();
previous_handler_ = logging::GetLogMessageHandler();
logging::SetLogMessageHandler(&HandleStandardLogMessage);
}
void TearDown() override { logging::SetLogMessageHandler(previous_handler_); }
protected:
base::test::ScopedFeatureList scoped_feature_list_;
private:
logging::LogMessageHandlerFunction previous_handler_{nullptr};
};
TEST_F(InputDeviceSettingsLoggingTest, EnableFeatureFlag) {
scoped_feature_list_.InitWithFeatures({features::kEnablePeripheralsLogging},
{});
PR_LOG(INFO, Feature::IDS) << kLog1;
ASSERT_EQ(1u, GetStandardLogs().size());
EXPECT_NE(std::string::npos, GetStandardLogs()[0].find(kLog1));
}
TEST_F(InputDeviceSettingsLoggingTest, DisableFeatureFlag) {
scoped_feature_list_.InitAndDisableFeature(
{features::kEnablePeripheralsLogging});
PR_LOG(INFO, Feature::IDS) << kLog2;
ASSERT_EQ(0u, GetStandardLogs().size());
}
} // namespace ash
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