Groovy动态语言 运行在JVM中的动态语言 可以方便的处理业务逻辑变化大的业务

				package gls
				
				import org.codehaus.groovy.control.CompilationFailedException;
				import groovy.util.GroovyTestCase;
				
				public class CompilableTestSupport extends GroovyTestCase {
					protected void shouldNotCompile(String script) {
					  try {
				        GroovyShell shell = new GroovyShell()
				        shell.parse(script, getTestClassName())
				      } catch (CompilationFailedException cfe) {
				        assert true
				        return
				      }
				      fail("the compilation succeeded but should have failed")
					}
					
					protected void shouldCompile(String script) {
				      GroovyShell shell = new GroovyShell()
				      shell.parse(script, getTestClassName())
				      assert true
					}
				}