src/test/org/codehaus/groovy/classgen/CallClosureFieldAsMethodTest.groovy

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 *  distributed with this work for additional information
 *  regarding copyright ownership.  The ASF licenses this file
 *  to you 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
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 */
package org.codehaus.groovy.classgen

import groovy.test.GroovyTestCase

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"      
        """
    }

}