Groovy example source code file (ClosureSugarTest.groovy)

This example Groovy source code file (ClosureSugarTest.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

closure, closure, closuresugartest, closuresugartest, groovytestcase, groovytestcase

The Groovy ClosureSugarTest.groovy source code

package groovy

class ClosureSugarTest extends GroovyTestCase {

    def count;

    void testClosureSugar() {
        count = 11;

        sugar {
             count = 20;
        }

        assert count == 20;
    }

    void testMixedClosureSugar() {
        def count = 11;

        mixedSugar (5){a->
             count = count + a;
        }

        assert count == 16;

    }

    def mixedSugar(incrBy, Closure closure) {
        closure.call( incrBy ); 
    }

    def sugar(Closure closure) {
        closure.call();
    }
}