Files
nearby/internal/platform/cancelable_alarm_test.cc
2025-07-24 18:17:27 -07:00

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2.6 KiB
C++

// Copyright 2020 Google LLC
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// https://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "internal/platform/cancelable_alarm.h"
#include "gtest/gtest.h"
#include "absl/time/time.h"
#include "internal/platform/atomic_boolean.h"
#include "internal/platform/atomic_reference.h"
#include "internal/platform/implementation/system_clock.h"
#include "internal/platform/scheduled_executor.h"
namespace nearby {
namespace {
TEST(CancelableAlarmTest, CanCreateDefault) { CancelableAlarm alarm; }
TEST(CancelableAlarmTest, CancelDefaultFails) {
CancelableAlarm alarm;
EXPECT_FALSE(alarm.Cancel());
}
TEST(CancelableAlarmTest, CanCreateAndFireAlarm) {
ScheduledExecutor alarm_executor;
AtomicBoolean done{false};
CancelableAlarm alarm(
"test_alarm", [&done]() { done.Set(true); }, absl::Milliseconds(100),
&alarm_executor);
SystemClock::Sleep(absl::Milliseconds(1000));
EXPECT_TRUE(done.Get());
}
TEST(CancelableAlarmTest, CanCreateAndCancelAlarm) {
ScheduledExecutor alarm_executor;
AtomicBoolean done{false};
CancelableAlarm alarm(
"test_alarm", [&done]() { done.Set(true); }, absl::Milliseconds(100),
&alarm_executor);
EXPECT_TRUE(alarm.Cancel());
SystemClock::Sleep(absl::Milliseconds(1000));
EXPECT_FALSE(done.Get());
}
TEST(CancelableAlarmTest, CancelExpiredAlarmFails) {
ScheduledExecutor alarm_executor;
AtomicBoolean done{false};
CancelableAlarm alarm(
"test_alarm", [&done]() { done.Set(true); }, absl::Milliseconds(100),
&alarm_executor);
SystemClock::Sleep(absl::Milliseconds(1000));
EXPECT_TRUE(done.Get());
EXPECT_FALSE(alarm.Cancel());
}
TEST(CancelableAlarmTest, CanCreateRecurringAlarm) {
ScheduledExecutor alarm_executor;
AtomicReference<int> count(0);
CancelableAlarm alarm(
"test_alarm", [&count]() { count.Set(count.Get() + 1); },
absl::Milliseconds(1000), &alarm_executor, /*is_recurring=*/true);
// Wait for 2 rounds (>1000ms * 2) and expect the `count` = 2.
SystemClock::Sleep(absl::Milliseconds(2800));
alarm.Cancel();
EXPECT_EQ(count.Get(), 2);
}
} // namespace
} // namespace nearby