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Groovy example source code file (ClosureListenerTest.groovy)
The Groovy ClosureListenerTest.groovy source code/* * Copyright 2003-2010 the original author or authors. * * 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 groovy import javax.swing.JButton /** * @version $Revision: 20570 $ */ class ClosureListenerTest extends GroovySwingTestCase { void testAddingAndRemovingAClosureListener() { testInEDT { def b = new JButton("foo") b.actionPerformed = { println("Found ${it}") } def size = b.actionListeners.size() assert size == 1 def l = b.actionListeners[0] def code = l.hashCode() println("listener: ${l} with hashCode code ${code}") assert l.toString() != "null" assert !l.equals(b) assert l.equals(l) assert l.hashCode() != 0 b.removeActionListener(l) println(b.actionListeners) size = b.actionListeners.size() assert size == 0 } } void testGettingAListenerProperty() { testInEDT { def b = new JButton("foo") def foo = b.actionPerformed assert foo == null } } void testNonStandardListener() { testInEDT { def myWhat = null def myWhere = null def strangeBean = new StrangeBean() strangeBean.somethingStrangeHappened = { what, where -> myWhat = what; myWhere = where} strangeBean.somethingStrangeHappened('?', '!') assert myWhat == '?' assert myWhere == '!' } } } Other Groovy examples (source code examples)Here is a short list of links related to this Groovy ClosureListenerTest.groovy source code file: |
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