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8255031: Update java/util/prefs/AddNodeChangeListener.java to report more failure info

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Reviewed-by: bpb
This commit is contained in:
Brent Christian 2020-10-22 21:45:43 +00:00
parent 0aa3c92577
commit 8afdcaee1c
1 changed files with 53 additions and 19 deletions
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72
test/jdk/java/util/prefs/AddNodeChangeListener.java
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@ -1,5 +1,5 @@
/* /*
* Copyright (c) 2012, 2013, Oracle and/or its affiliates. All rights reserved. * Copyright (c) 2012, 2020, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
* *
* This code is free software; you can redistribute it and/or modify it * This code is free software; you can redistribute it and/or modify it
@ -23,6 +23,7 @@
/* @test /* @test
* @bug 7160252 7197662 * @bug 7160252 7197662
* @key intermittent
* @summary Checks if events are delivered to a listener * @summary Checks if events are delivered to a listener
* when a child node is added or removed * when a child node is added or removed
* @run main/othervm -Djava.util.prefs.userRoot=. AddNodeChangeListener * @run main/othervm -Djava.util.prefs.userRoot=. AddNodeChangeListener
@ -30,15 +31,15 @@
import java.util.prefs.*; import java.util.prefs.*;
public class AddNodeChangeListener { public class AddNodeChangeListener {
private static boolean failed = false; private static final int SLEEP_ITRS = 10;
private static Preferences userRoot, N2; private static boolean failed = false;
private static NodeChangeListenerAdd ncla; private static Preferences userRoot, N2;
private static NodeChangeListenerAdd ncla;
public static void main(String[] args) public static void main(String[] args)
throws BackingStoreException, InterruptedException throws BackingStoreException, InterruptedException {
{
userRoot = Preferences.userRoot(); userRoot = Preferences.userRoot();
ncla = new NodeChangeListenerAdd(); ncla = new NodeChangeListenerAdd();
userRoot.addNodeChangeListener(ncla); userRoot.addNodeChangeListener(ncla);
@ -49,28 +50,61 @@ import java.util.prefs.*;
//Should initate a child removed event //Should initate a child removed event
removeNode(); removeNode();
if (failed) if (failed) {
throw new RuntimeException("Failed"); throw new RuntimeException("Failed");
}
} }
private static void addNode() private static void addNode()
throws BackingStoreException, InterruptedException throws BackingStoreException, InterruptedException {
{
N2 = userRoot.node("N2"); N2 = userRoot.node("N2");
userRoot.flush(); userRoot.flush();
Thread.sleep(3000); int passItr = -1;
if (ncla.getAddNumber() != 1)
failed = true; for (int i = 0; i < SLEEP_ITRS; i++) {
System.out.print("addNode sleep iteration " + i + "...");
Thread.sleep(3000);
System.out.println("done.");
if (ncla.getAddNumber() == 1) {
passItr = i;
break;
}
}
checkPassItr(passItr, "addNode()");
} }
private static void removeNode() private static void removeNode()
throws BackingStoreException, InterruptedException throws BackingStoreException, InterruptedException {
{
N2.removeNode(); N2.removeNode();
userRoot.flush(); userRoot.flush();
Thread.sleep(3000); int passItr = -1;
if (ncla.getAddNumber() != 0)
for (int i = 0; i < SLEEP_ITRS; i++) {
System.out.print("removeNode sleep iteration " + i + "...");
Thread.sleep(3000);
System.out.println("done.");
if (ncla.getAddNumber() == 0) {
passItr = i;
break;
}
}
checkPassItr(passItr, "removeNode()");
}
/* If the listener wasn't notified on iteration 0, throw a RuntimeException
* with some contextual information
*/
private static void checkPassItr(int itr, String methodName) {
if (itr == 0) {
System.out.println(methodName + " test passed");
} else {
failed = true; failed = true;
if (itr == -1) {
throw new RuntimeException("Failed in " + methodName + " - change listener never notified");
} else {
throw new RuntimeException("Failed in " + methodName + " - listener notified on iteration " + itr);
}
}
} }
private static class NodeChangeListenerAdd implements NodeChangeListener { private static class NodeChangeListenerAdd implements NodeChangeListener {
@ -90,4 +124,4 @@ import java.util.prefs.*;
return totalNode; return totalNode;
} }
} }
} }