1 /* 2 * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26 package com.sun.javafx.application; 27 28 import java.util.concurrent.CountDownLatch; 29 import java.util.concurrent.TimeUnit; 30 import java.util.concurrent.atomic.AtomicInteger; 31 import javafx.application.Application; 32 import javafx.application.Platform; 33 import javafx.stage.Stage; 34 import junit.framework.AssertionFailedError; 35 import org.junit.AfterClass; 36 import org.junit.BeforeClass; 37 import org.junit.Test; 38 import util.Util; 39 40 import static org.junit.Assert.*; 41 import static util.Util.TIMEOUT; 42 43 /** 44 * Unit tests for Platform runLater. 45 */ 46 public class RunLaterTest { 47 48 // Used to launch the application before running any test 49 private static final CountDownLatch launchLatch = new CountDownLatch(1); 50 51 // Application class. An instance is created and initialized before running 52 // the first test, and it lives through the execution of all tests. 53 public static class MyApp extends Application { 54 @Override public void start(Stage primaryStage) throws Exception { 55 Platform.setImplicitExit(false); 56 launchLatch.countDown(); 57 } 58 } 59 60 61 @BeforeClass 62 public static void setupOnce() { 63 // Start the Application 64 new Thread(() -> Application.launch(MyApp.class, (String[])null)).start(); 65 66 try { 67 if (!launchLatch.await(TIMEOUT, TimeUnit.MILLISECONDS)) { 68 throw new AssertionFailedError("Timeout waiting for Application to launch"); 69 } 70 } catch (InterruptedException ex) { 71 AssertionFailedError err = new AssertionFailedError("Unexpected exception"); 72 err.initCause(ex); 73 throw err; 74 } 75 } 76 77 @AfterClass 78 public static void teardownOnce() { 79 Platform.exit(); 80 } 81 82 private AtomicInteger seqNum = new AtomicInteger(0); 83 84 protected void doTestRunLater(final int numRunnables) { 85 final boolean DELAY = true; 86 87 Runnable[] runnables = new Runnable[numRunnables]; 88 for (int i = 0; i < numRunnables; i++) { 89 final int idx = i; 90 runnables[idx] = () -> { 91 if (idx == 0) { 92 Util.sleep(100); 93 } 94 int seq = seqNum.getAndIncrement(); 95 assertEquals(idx, seq); 96 }; 97 } 98 Util.runAndWait(DELAY, runnables); 99 assertEquals(numRunnables, seqNum.get()); 100 } 101 102 @Test 103 public void testRunLater1() { 104 doTestRunLater(1); 105 } 106 107 @Test 108 public void testRunLater2() { 109 doTestRunLater(2); 110 } 111 112 @Test 113 public void testRunLater10() { 114 doTestRunLater(10); 115 } 116 117 @Test 118 public void testRunLater100() { 119 doTestRunLater(100); 120 } 121 122 @Test 123 public void testRunLater1000() { 124 doTestRunLater(1000); 125 } 126 127 @Test 128 public void testRunLater10000() { 129 doTestRunLater(10000); 130 } 131 132 @Test 133 public void testRunLater15000() { 134 doTestRunLater(15000); 135 } 136 137 @Test 138 public void testRunLater20000() { 139 doTestRunLater(20000); 140 } 141 142 }