diff options
Diffstat (limited to 'src/com/android/launcher3/util/RaceConditionTracker.java')
-rw-r--r-- | src/com/android/launcher3/util/RaceConditionTracker.java | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/src/com/android/launcher3/util/RaceConditionTracker.java b/src/com/android/launcher3/util/RaceConditionTracker.java new file mode 100644 index 000000000..8eafb551d --- /dev/null +++ b/src/com/android/launcher3/util/RaceConditionTracker.java @@ -0,0 +1,38 @@ +/* + * Copyright (C) 2018 The Android Open Source Project + * + * 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 + * + * http://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. + */ + +package com.android.launcher3.util; + +/** + * Event tracker for reliably reproducing race conditions in tests. + * The app should call onEvent() for events that the test will try to reproduce in all possible + * orders. + */ +public class RaceConditionTracker { + public interface EventProcessor { + void onEvent(String eventName); + } + + private static EventProcessor sEventProcessor; + + static void setEventProcessor(EventProcessor eventProcessor) { + sEventProcessor = eventProcessor; + } + + public static void onEvent(String eventName) { + if (sEventProcessor != null) sEventProcessor.onEvent(eventName); + } +} |