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Groovy example source code file (CallClosureFieldAsMethodTest.groovy)

This example Groovy source code file (CallClosureFieldAsMethodTest.groovy) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Java - Groovy tags/keywords

callclosurefieldasmethodtest, callclosurefieldasmethodtest, dummy, dummy, groovytestcase, guillaume, guillaume, hello, hello, string

The Groovy CallClosureFieldAsMethodTest.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 org.codehaus.groovy.classgen

/**
 * @author Guillaume Laforge
 */
class CallClosureFieldAsMethodTest extends GroovyTestCase {

    String firstname = "Guillaume"
    def closureMethod = { greeting-> "${greeting} ${firstname}" }
    public static staticClosureMethod = {it}

    /**
     * Check that we can call a closure defined as a field as if it were a normal method
     */
    void testCallToClosureAsMethod() {
        def obj = new CallClosureFieldAsMethodTest()
        assert obj.closureMethod("Hello") == "Hello Guillaume"
    }
    
    void testCallToClosureAsMethodFromStaticField() {
        assert CallClosureFieldAsMethodTest.staticClosureMethod("Hello") == "Hello"
    }
    
    void testEnsureCallMethodIsUsed() {
      assertScript """
        class Dummy {
            def call(Object arguments) {"1"}
        }
        def c = new Dummy()
        assert c(2) == "1"      
      """    
    }

}

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