1 /* 2 * Copyright (C) 2016 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License 15 */ 16 17 18 package com.android.phone; 19 20 import android.os.Looper; 21 22 /** 23 * Assertions which will result in program termination. 24 */ 25 public class Assert { 26 27 private static Boolean sIsMainThreadForTest; 28 isTrue(boolean condition)29 public static void isTrue(boolean condition) { 30 if (!condition) { 31 throw new AssertionError("Expected condition to be true"); 32 } 33 } 34 isMainThread()35 public static void isMainThread() { 36 if (sIsMainThreadForTest != null) { 37 isTrue(sIsMainThreadForTest); 38 return; 39 } 40 isTrue(Looper.getMainLooper().equals(Looper.myLooper())); 41 } 42 isNotMainThread()43 public static void isNotMainThread() { 44 if (sIsMainThreadForTest != null) { 45 isTrue(!sIsMainThreadForTest); 46 return; 47 } 48 isTrue(!Looper.getMainLooper().equals(Looper.myLooper())); 49 } 50 fail()51 public static void fail() { 52 fail("Fail"); 53 } 54 fail(String reason)55 public static void fail(String reason) { 56 throw new AssertionError(reason); 57 } 58 59 /** 60 * Override the main thread status for tests. Set to null to revert to normal behavior 61 */ 62 @NeededForTesting setIsMainThreadForTesting(Boolean isMainThread)63 public static void setIsMainThreadForTesting(Boolean isMainThread) { 64 sIsMainThreadForTest = isMainThread; 65 } 66 } 67