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Groovy example source code file (GenericsWithExtendsStubTest.groovy)

This example Groovy source code file (GenericsWithExtendsStubTest.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

charsequence, charsequence, client, client, genericswithextendsstubtest, groovyinterface4650, groovyinterface4650, list, list, map, string, stringsourcesstubtestcase

The Groovy GenericsWithExtendsStubTest.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.tools.stubgenerator

/**
 * Test that Generics information appears correctly in stub return types.
 *
 * @author Paul King
 */
class GenericsWithExtendsStubTest extends StringSourcesStubTestCase {

    Map<String, String> provideSources() {
        [
                'Client.java': '''
                    import java.util.*;

                    public class Client {
                        {
                            new GroovyInterface4650() {
                                public List<? extends CharSequence> getThings1() { return null; }
                                public List<?> getThings2() { return null; }
                                public List<? super CharSequence> getThings3() { return null; }
                            };
                        }
                    }
                ''',
                'GroovyInterface4650.groovy': '''
                    public interface GroovyInterface4650 {
                        List<? extends CharSequence> getThings1()
                        List<?> getThings2()
                        List<? super CharSequence> getThings3()
                    }
            '''
        ]
    }

    void verifyStubs() {
        def stubSource = stubJavaSourceFor('GroovyInterface4650')
        assert stubSource.contains('java.util.List<? extends java.lang.CharSequence> getThings1()')
        assert stubSource.contains('java.util.List<?> getThings2()')
        assert stubSource.contains('java.util.List<? super java.lang.CharSequence> getThings3()')
    }
}

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