Make the test more robust by counting down the latch only when the then to be tested property is set
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43 package net.java.html.boot.fx;
46 import java.util.concurrent.CountDownLatch;
47 import javafx.application.Application;
48 import javafx.application.Platform;
49 import javafx.scene.Scene;
50 import javafx.scene.layout.BorderPane;
51 import javafx.scene.web.WebView;
52 import javafx.stage.Stage;
53 import net.java.html.js.JavaScriptBody;
54 import static org.testng.Assert.*;
55 import org.testng.annotations.BeforeClass;
56 import org.testng.annotations.Test;
60 * @author Jaroslav Tulach
62 public class FXBrowsersTest {
63 private static CountDownLatch PROPERTY_SET;
65 public FXBrowsersTest() {
68 @BeforeClass public void initFX() throws Throwable {
69 new Thread("initFX") {
72 if (Platform.isFxApplicationThread()) {
73 new App().start(new Stage());
76 App.launch(App.class);
77 } catch (IllegalStateException ex) {
78 Platform.runLater(this);
87 public void behaviorOfTwoWebViewsAtOnce() throws Throwable {
88 class R implements Runnable {
95 } catch (Throwable ex) {
100 private void doTest() throws Throwable {
101 URL u = FXBrowsersTest.class.getResource("/org/netbeans/html/boot/fx/empty.html");
102 assertNotNull(u, "URL found");
103 FXBrowsers.load(App.getV1(), u, OnPages.class, "first");
107 PROPERTY_SET = new CountDownLatch(2);
108 Platform.runLater(run);
109 PROPERTY_SET.await();
111 assertEquals(Integer.getInteger("finalFirst"), Integer.valueOf(3), "Three times in view one");
112 assertEquals(Integer.getInteger("finalSecond"), Integer.valueOf(2), "Two times in view one");
114 final CountDownLatch finish = new CountDownLatch(1);
115 final Object[] three = { 0 };
116 assertFalse(Platform.isFxApplicationThread());
117 FXBrowsers.runInBrowser(App.getV1(), new Runnable() {
120 assertTrue(Platform.isFxApplicationThread());
121 three[0] = App.getV1().getEngine().executeScript("window.cntBrwsr");
127 assertEquals(three[0], Integer.valueOf(3));
130 public static class OnPages {
131 static Class<?> first;
132 static Object firstWindow;
134 public static void first() {
135 first = OnPages.class;
136 firstWindow = window();
137 assertNotNull(firstWindow, "First window found");
139 assertEquals(increment(), 1, "Now it is one");
141 URL u = FXBrowsersTest.class.getResource("/org/netbeans/html/boot/fx/empty.html");
142 assertNotNull(u, "URL found");
143 FXBrowsers.load(App.getV2(), u, new Runnable() {
146 OnPages.second("Hello");
150 assertEquals(increment(), 2, "Now it is two and not influenced by second view");
151 System.setProperty("finalFirst", "" + increment());
152 PROPERTY_SET.countDown();
155 public static void second(String... args) {
156 assertEquals(args.length, 1, "One string argument");
157 assertEquals(args[0], "Hello", "It is hello");
158 assertEquals(first, OnPages.class, "Both views share the same classloader");
160 Object window = window();
161 assertNotNull(window, "Some window found");
162 assertNotNull(firstWindow, "First window is known");
163 assertNotSame(firstWindow, window, "The window objects should be different");
165 assertEquals(increment(), 1, "Counting starts from zero");
166 System.setProperty("finalSecond", "" + increment());
167 PROPERTY_SET.countDown();
170 @JavaScriptBody(args = {}, body = "return window;")
171 private static native Object window();
173 @JavaScriptBody(args = {}, body = ""
174 + "if (window.cntBrwsr) return ++window.cntBrwsr;"
175 + "return window.cntBrwsr = 1;"
177 private static native int increment();
180 public static class App extends Application {
181 static final CountDownLatch CDL = new CountDownLatch(1);
182 private static BorderPane pane;
187 static WebView getV1() {
188 return (WebView)System.getProperties().get("v1");
194 static WebView getV2() {
195 return (WebView)System.getProperties().get("v2");
199 public void start(Stage stage) {
200 pane= new BorderPane();
201 Scene scene = new Scene(pane, 800, 600);
202 stage.setScene(scene);
204 System.getProperties().put("v1", new WebView());
205 System.getProperties().put("v2", new WebView());
207 pane.setCenter(getV1());
208 pane.setBottom(getV2());