unsafenavigationtest.groovy

来自「大名鼎鼎的java动态脚本语言。已经通过了sun的认证」· GROOVY 代码 · 共 15 行

class UnsafeNavigationTest extends GroovyTestCase {

    void testUnsafePropertyNavigations() {
        def x = null
        
        try {
            def y = x.foo
            fail("should fail")
        }
        catch (NullPointerException e) {
            assert e != null
        }
    }
}