| /* |
| * Copyright (C) 2016 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.systemui.util; |
| |
| import android.os.Looper; |
| |
| import androidx.annotation.VisibleForTesting; |
| |
| /** |
| * Helper providing common assertions. |
| */ |
| public class Assert { |
| |
| @VisibleForTesting |
| public static Looper sMainLooper = Looper.getMainLooper(); |
| |
| public static void isMainThread() { |
| if (!sMainLooper.isCurrentThread()) { |
| throw new IllegalStateException("should be called from the main thread." |
| + " sMainLooper.threadName=" + sMainLooper.getThread().getName() |
| + " Thread.currentThread()=" + Thread.currentThread().getName()); |
| } |
| } |
| |
| public static void isNotMainThread() { |
| if (sMainLooper.isCurrentThread()) { |
| throw new IllegalStateException("should not be called from the main thread."); |
| } |
| } |
| } |