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Groovy example source code file (NestedCategoryTest.groovy)

This example Groovy source code file (NestedCategoryTest.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

categorytwo, greeter, greeter, groovy, groovy, groovytestcase, hello, hello, i, nestedcategorytest, one, string, string, two

The Groovy NestedCategoryTest.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 org.codehaus.groovy.runtime

class NestedCategoryTest extends GroovyTestCase {
    void testGreeter_plain() {
        def greeter = new Greeter()
        assertEquals "Hello Groovy!", greeter.greet()
    }

    void testGreeter_withOne() {
        def greeter = new Greeter()
        assertEquals "Hello Groovy!", greeter.greet()
        use(CategoryOne.class) {
            assertEquals "Hello from One", greeter.greet()
        }
        assertEquals "Hello Groovy!", greeter.greet()
    }

    void testGreeter_withTwo() {
        def greeter = new Greeter();
        assertEquals "Hello Groovy!", greeter.greet();
        use(CategoryTwo.class) {
            assertEquals "Hello from Two", greeter.greet();
        }
        assertEquals "Hello Groovy!", greeter.greet();
    }

    void testGreeter_withOneAndTwo_nested() {
        // fails!
        def greeter = new Greeter()
        assertEquals "Hello Groovy!", greeter.greet()
        use(CategoryOne) {
            assertEquals "Hello from One", greeter.greet()
            use(CategoryTwo) {
                assertEquals "Hello from Two", greeter.greet()
            }
            assertEquals "Hello from One", greeter.greet()
        }
        assertEquals "Hello Groovy!", greeter.greet()
    }
}

class Greeter {
    String greet() {
        return "Hello Groovy!"
    }

    String say(String s) {
        return "I say: " + s
    }
}

class CategoryOne {
    static String greet(Greeter self) {
        return "Hello from One"
    }
}

class CategoryTwo {
    static String greet(Greeter self) {
        return "Hello from Two"
    }
}

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