test/tools/javac/lambda/typeInference/InferenceTest789.java

Mon, 21 Jan 2013 20:13:56 +0000

author
mcimadamore
date
Mon, 21 Jan 2013 20:13:56 +0000
changeset 1510
7873d37f5b37
parent 0
959103a6100f
permissions
-rw-r--r--

8005244: Implement overload resolution as per latest spec EDR
Summary: Add support for stuck expressions and provisional applicability
Reviewed-by: jjg

aoqi@0 1 /*
aoqi@0 2 * Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
aoqi@0 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0 4 *
aoqi@0 5 * This code is free software; you can redistribute it and/or modify it
aoqi@0 6 * under the terms of the GNU General Public License version 2 only, as
aoqi@0 7 * published by the Free Software Foundation.
aoqi@0 8 *
aoqi@0 9 * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
aoqi@0 12 * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0 13 * accompanied this code).
aoqi@0 14 *
aoqi@0 15 * You should have received a copy of the GNU General Public License version
aoqi@0 16 * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0 18 *
aoqi@0 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0 20 * or visit www.oracle.com if you need additional information or have any
aoqi@0 21 * questions.
aoqi@0 22 */
aoqi@0 23
aoqi@0 24 import java.io.Serializable;
aoqi@0 25 import java.util.Calendar;
aoqi@0 26
aoqi@0 27 /**
aoqi@0 28 * @test
aoqi@0 29 * @bug 8003280
aoqi@0 30 * @summary Add lambda tests
aoqi@0 31 * This test is for when lambda return type is inferred from target type
aoqi@0 32 * @compile InferenceTest789.java
aoqi@0 33 * @run main InferenceTest789
aoqi@0 34 */
aoqi@0 35
aoqi@0 36 public class InferenceTest789 {
aoqi@0 37
aoqi@0 38 private static void assertTrue(boolean b) {
aoqi@0 39 if(!b)
aoqi@0 40 throw new AssertionError();
aoqi@0 41 }
aoqi@0 42
aoqi@0 43 public static void main(String[] args) {
aoqi@0 44 InferenceTest789 test = new InferenceTest789();
aoqi@0 45 test.method1(() -> 1);
aoqi@0 46 SAM1<? extends Number> sam1 = () -> 1.0;
aoqi@0 47 SAM1<? extends Serializable> sam1_2 = () -> "a";
aoqi@0 48 SAM1<? extends Comparable<?>> sam1_3 = () -> Calendar.getInstance();
aoqi@0 49 SAM1<?> sam1_4 = () -> 1.5f;
aoqi@0 50
aoqi@0 51 SAM2<Number> sam2 = a -> 1;
aoqi@0 52 SAM2<? extends Serializable> sam2_2 = a -> 1;
aoqi@0 53 }
aoqi@0 54
aoqi@0 55 void method1(SAM1<?> s) {
aoqi@0 56 System.out.println("s.m1()=" + s.m1() + " s.m1().getClass()=" + s.m1().getClass());
aoqi@0 57 assertTrue(s.m1().equals(new Integer(1)));
aoqi@0 58 }
aoqi@0 59
aoqi@0 60 interface SAM1<T> {
aoqi@0 61 T m1();
aoqi@0 62 }
aoqi@0 63
aoqi@0 64 interface SAM2<T extends Serializable> {
aoqi@0 65 T m2(T t);
aoqi@0 66 }
aoqi@0 67 }

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