| /* |
| * Copyright (c) 2011, 2013, 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. |
| */ |
| |
| import java.util.*; |
| |
| /** |
| * @test |
| * @bug 8003280 |
| * @summary Add lambda tests |
| * Parameter types inferred from target type in generics with wildcard |
| * @compile InferenceTest2b.java |
| * @run main InferenceTest2b |
| */ |
| |
| public class InferenceTest2b { |
| |
| private static void assertTrue(boolean cond) { |
| if (!cond) |
| throw new AssertionError(); |
| } |
| |
| public static void main(String[] args) { |
| |
| InferenceTest2b test = new InferenceTest2b(); |
| |
| test.m1((a, b) -> {return a;}); |
| test.m2((a, b) -> {return a;}); |
| test.m3((a, b) -> a); |
| } |
| |
| interface SAM6<T> { |
| T m6(T a, T b); |
| } |
| |
| void m1(SAM6<? super List<?>> s) { |
| System.out.println("m1()"); |
| Stack<String> a = new Stack<String>(); |
| ArrayList<String> b = new ArrayList<String>(); |
| assertTrue(s.m6(a, b) == a); |
| |
| Vector<?> c = null; |
| assertTrue(s.m6(c, b) == c); |
| } |
| |
| void m2(SAM6<? super Integer> s) { |
| System.out.println("m2()"); |
| assertTrue(s.m6(1, 2).equals(Integer.valueOf(1))); |
| } |
| |
| void m3(SAM6<? super Calendar> s) { |
| System.out.println("m3()"); |
| Calendar gc = Calendar.getInstance(); |
| GregorianCalendar gc2 = new GregorianCalendar(); |
| assertTrue(s.m6(gc, gc2) == gc); |
| } |
| } |