大名鼎鼎的java动态脚本语言。已经通过了sun的认证

				package groovy.mock								import groovy.mock.GroovyMock				import junit.framework.AssertionFailedError								class MockTest extends GroovyTestCase {								    def mock								    void setUp() {				        mock = GroovyMock.newInstance()				    }								    void testASimpleExpectationCanBeSetAndMet() {				        // expectation				        mock.doSomething("hello")								        // execute				        mock.instance.doSomething("hello")								        // verify				        mock.verify()				    }								    void testASimpleExpectationCanBeSetAndFailed() {				        // expectation				        mock.doSomething("hello")								        // execute				        try {				            mock.instance.doSomething("goodbye")				            fail("expected exception")				        }				        catch (RuntimeException goodException) {				        }								    }								    void testASimpleExpectationCanBeSetButNeverCalledSoVerifyFails() {				        // expectation				        mock.doSomething("hello")								        // execute				        // don't call it								        // verify				        try {				            mock.verify()				            fail("should not have verified")				        }				        catch (AssertionFailedError goodException) {				        }				    }								    void testAnExpectationWithAClosureGivesErrorIFCalledAndClosureFails() {				        mock.doSomething( {arg -> assert arg=="poo" } )								        // verify				        try {				            mock.instance.doSomething("hello")				            fail("Expected verify to fail");				        }				        catch (RuntimeException ex) {				            //expected				        }				    }								    /*				     * was GROOVY-76				     */				    void testAnExpectationwithAClosurePassesIfClosurePasses() {				        mock.doSomething {arg -> assert arg=="hello" }								        // execute				        mock.instance.doSomething("hello")								        //verify				        mock.verify()				    }								    void testAnExpectationWithAClosureGivesErrorIFNotCalled() {				        mock.doSomething( {arg -> assert arg=="poo" } )				        // verify				        try {				            mock.verify()				            fail("Expected verify to fail");				        }				        catch (AssertionFailedError ex) {				            //expected				        }				    }								}