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Groovy example source code file (Groovy4720Bug.groovy)
The Groovy Groovy4720Bug.groovy source code/* * Copyright 2003-2011 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.bugs /** * Groovy-4720: Method overriding with ExpandoMetaClass is partially broken * * @author Graeme Rocher * @author Guillaume Laforge */ class Groovy4720Bug extends GroovyTestCase { void testBug() { def instanceMethods = [DummyApi1.getMethod('test', java.io.Serializable), DummyApi2.getMethod('test', java.io.Serializable)] Dummy.metaClass { for (method in instanceMethods) { def apiInstance = method.getDeclaringClass().newInstance() def methodName = method.name def parameterTypes = method.parameterTypes if (parameterTypes) { "$methodName"(new Closure(this) { def call(Object[] args) { apiInstance."$methodName"(* args) } Class[] getParameterTypes() { parameterTypes } }) } } } assert new Dummy().test(1) == "overrided" } } class Dummy {} class DummyApi1 { def test(Serializable id) { "original" } } class DummyApi2 { def test(Serializable id) { "overrided" } } Other Groovy examples (source code examples)Here is a short list of links related to this Groovy Groovy4720Bug.groovy source code file: |
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