| /* |
| * 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 |
| * Interface inheritance, sub-interface resolves the type of the super interface. |
| * @compile InferenceTest3.java |
| * @run main InferenceTest3 |
| */ |
| |
| import java.io.File; |
| import java.io.Serializable; |
| import java.util.Date; |
| import java.util.Calendar; |
| import java.util.TimeZone; |
| |
| public class InferenceTest3 { |
| |
| private static void assertTrue(boolean cond) { |
| if (!cond) |
| throw new AssertionError(); |
| } |
| |
| public static void main(String[] args) { |
| InferenceTest3 test = new InferenceTest3(); |
| test.m1(a -> a.getTime()); |
| test.m2(a -> a.toString()); |
| |
| C<String, Integer> c = a -> a.length(); |
| assertTrue(c.m("lambda") == 6); |
| |
| E<Double, String> e = a -> Double.toHexString(a); |
| assertTrue(e.m(Double.MAX_VALUE).equals("0x1.fffffffffffffp1023")); |
| assertTrue(e.m(Double.MIN_VALUE).equals("0x0.0000000000001p-1022")); |
| assertTrue(e.m(1.0).equals("0x1.0p0")); |
| } |
| |
| private void m1(C<Date, Long> c) { |
| Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT")); |
| cal.set(1970, 0, 1, 0, 0, 0); |
| cal.set(Calendar.MILLISECOND, 0); |
| Date date = cal.getTime(); |
| assertTrue(c.m(date) == 0L); |
| } |
| |
| private void m2(E<Integer, String> e) { |
| assertTrue(e.m(2).equals("2")); |
| } |
| |
| interface A<T extends Serializable, U> { |
| U m(T t); |
| } |
| |
| interface C<X extends Serializable, Y extends Number> extends A<X,Y> {} |
| |
| interface E<X extends Serializable, Y extends String> extends A<X,Y> {} |
| } |