aoqi@0: /*
aoqi@0:  * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: /**
aoqi@0:  * @test
aoqi@0:  * @bug 8003280
aoqi@0:  * @summary Add lambda tests
aoqi@0:  *   Test that parameter types are inferred from SAM descriptor when method parameters are elided,
aoqi@0:              with different types of method references
aoqi@0:  * @compile MethodRef7.java
aoqi@0:  * @run main MethodRef7
aoqi@0:  */
aoqi@0: 
aoqi@0: public class MethodRef7 {
aoqi@0: 
aoqi@0:     static interface A {void m();}
aoqi@0: 
aoqi@0:     static interface A2 {void m(int n);}
aoqi@0: 
aoqi@0:     static interface B {String m();}
aoqi@0: 
aoqi@0:     static interface B2 {String m(int n);}
aoqi@0: 
aoqi@0:     static interface C {String m(MethodRef7 mr);}
aoqi@0: 
aoqi@0:     static interface C2 {String m(MethodRef7 mr, int n);}
aoqi@0: 
aoqi@0:     static interface D {Fee<String> m();}
aoqi@0: 
aoqi@0:     static interface D2 {Fee<String> m(String s);}
aoqi@0: 
aoqi@0:     static class Fee<T> {
aoqi@0: 
aoqi@0:         public Fee() {
aoqi@0:             System.out.println("Fee<T> instantiated");
aoqi@0:         }
aoqi@0: 
aoqi@0:         public Fee(String s) {
aoqi@0:             System.out.println("Fee<T> instantiated: " + s);
aoqi@0:         }
aoqi@0:     }
aoqi@0: 
aoqi@0:     private static void assertTrue(boolean cond) {
aoqi@0:         if (!cond)
aoqi@0:             throw new AssertionError();
aoqi@0:     }
aoqi@0: 
aoqi@0:     static void bar() {
aoqi@0:         System.out.println("MethodRef_neg1.bar()");
aoqi@0:     }
aoqi@0: 
aoqi@0:     static void bar(int x) {
aoqi@0:         System.out.println("MethodRef_neg1.bar(int) " + x);
aoqi@0:     }
aoqi@0: 
aoqi@0:     String wahoo() {
aoqi@0:         return "wahoo";
aoqi@0:     }
aoqi@0: 
aoqi@0:     String wahoo(int x) {
aoqi@0:         return "wahoo " + x;
aoqi@0:     }
aoqi@0: 
aoqi@0:     public static void main(String[] args) {
aoqi@0: 
aoqi@0:         A a = MethodRef7::bar; //static reference to bar()
aoqi@0:         a.m();
aoqi@0:         A2 a2 = MethodRef7::bar; //static reference to bar(int x)
aoqi@0:         a2.m(10);
aoqi@0: 
aoqi@0:         MethodRef7 mr = new MethodRef7();
aoqi@0:         B b = mr::wahoo; //instance reference to wahoo()
aoqi@0:         assertTrue(b.m().equals("wahoo"));
aoqi@0:         B2 b2 = mr::wahoo; //instance reference to wahoo(int x)
aoqi@0:         assertTrue(b2.m(1).equals("wahoo 1"));
aoqi@0: 
aoqi@0:         C c = MethodRef7::wahoo; //unbound reference to wahoo()
aoqi@0:         assertTrue(c.m(mr).equals("wahoo"));
aoqi@0:         C2 c2 = MethodRef7::wahoo; //unbound reference to wahoo(int x)
aoqi@0:         assertTrue(c2.m(mr, 2).equals("wahoo 2"));
aoqi@0: 
aoqi@0:         D d = Fee<String>::new; //constructor reference to Fee()
aoqi@0:         D2 d2 = Fee<String>::new; //constructor reference to Fee(String s)
aoqi@0:     }
aoqi@0: }