diff -r 843d3b191773 -r 01c9d4161882 test/tools/javac/lambda/methodReference/MethodRef4.java --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/test/tools/javac/lambda/methodReference/MethodRef4.java Sat Nov 17 19:01:03 2012 +0000 @@ -0,0 +1,79 @@ +/* + * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved. + * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. + * + * This code is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 only, as + * published by the Free Software Foundation. + * + * This code is distributed in the hope that it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * version 2 for more details (a copy is included in the LICENSE file that + * accompanied this code). + * + * You should have received a copy of the GNU General Public License version + * 2 along with this work; if not, write to the Free Software Foundation, + * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. + * + * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA + * or visit www.oracle.com if you need additional information or have any + * questions. + */ + +/** + * @test + * @bug 8003280 + * @summary Add lambda tests + * Test constructor reference + * @compile MethodRef4.java + * @run main MethodRef4 + */ + +public class MethodRef4 { + + static interface A {Fee m();} + + static interface B {Fee m(String s);} + + static interface C {Object m();} + + static class Fee { + + private T t; + + public Fee() { + System.out.println("Fee instantiated"); + } + + public Fee(T t) { + this.t = t; + System.out.println("Fee instantiated: " + t); + } + + public void make() { + System.out.println(this + ": make()"); + } + } + + private static void assertTrue(boolean cond) { + if (!cond) + throw new AssertionError(); + } + + public static void main(String[] args) { + + A a = Fee::new; //constructor reference to Fee() + a.m().make(); + + B b = Fee::new; //constructor reference to Fee(String) + b.m("hi").make(); + + C c = MethodRef4::new; //constructor reference to MethodRef4() + assertTrue( c.m() instanceof MethodRef4 ); + c = MethodRef4::new; //constructor reference to MethodRef4() + assertTrue( c.m() instanceof MethodRef4 ); + c = Fee::new; //constructor reference to Fee() + assertTrue( c.m() instanceof Fee ); + } +}