Groovy example source code file (ReturnTest.groovy)

This example Groovy source code file (ReturnTest.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

groovytestcase, groovytestcase, returntest, returntest

The Groovy ReturnTest.groovy source code

package groovy

/** 
 * Tests the use of returns in Groovy
 * 
 * @author <a href="mailto:james@coredevelopers.net">James Strachan
 * @version $Revision: 4996 $
 */
class ReturnTest extends GroovyTestCase {
    void testIntegerReturnValues() {
        def value = foo(5)
        assert value == 10
    }

    void testBooleanReturnValues() {
        def value = bar(6)
        assert value
    }

    def foo(x) {
        return ( x * 2 )
    }

    def bar(x) {
        return x > 5
    }
    
    void testVoidReturn() {
        explicitVoidReturn()
        implicitVoidReturn()
        explicitVoidReturnWithoutFinalReturn()
        implicitVoidReturnWithoutFinalReturn()
    }

    void explicitVoidReturn() {
        return
    }

    def implicitVoidReturn() {
        return
    }

    void explicitVoidReturnWithoutFinalReturn() {
        def x = 4;
        if (x == 3) {
            return;
        } else {
            try {
                x = 3;
                return;
            } finally {
                //do nothing
            }
        }
    }

    def implicitVoidReturnWithoutFinalReturn() {
        def x = 4;
        if (x == 3) {
            return;
        } else {
            try {
                x = 3;
                return;
            } finally {
                //do nothing
            }
        }
    } 
}