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test/tools/javac/lambda/typeInference/InferenceTest3.java@7873d37f5b37 (annotated)

test/tools/javac/lambda/typeInference/InferenceTest3.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	/**
aoqi@0	25	* @test
aoqi@0	26	* @bug 8003280
aoqi@0	27	* @summary Add lambda tests
aoqi@0	28	* Interface inheritance, sub-interface resolves the type of the super interface.
aoqi@0	29	* @compile InferenceTest3.java
aoqi@0	30	* @run main InferenceTest3
aoqi@0	31	*/
aoqi@0	32
aoqi@0	33	import java.io.File;
aoqi@0	34	import java.io.Serializable;
aoqi@0	35	import java.util.Date;
aoqi@0	36	import java.util.Calendar;
aoqi@0	37	import java.util.TimeZone;
aoqi@0	38
aoqi@0	39	public class InferenceTest3 {
aoqi@0	40
aoqi@0	41	private static void assertTrue(boolean cond) {
aoqi@0	42	if (!cond)
aoqi@0	43	throw new AssertionError();
aoqi@0	44	}
aoqi@0	45
aoqi@0	46	public static void main(String[] args) {
aoqi@0	47	InferenceTest3 test = new InferenceTest3();
aoqi@0	48	test.m1(a -> a.getTime());
aoqi@0	49	test.m2(a -> a.toString());
aoqi@0	50
aoqi@0	51	C<String, Integer> c = a -> a.length();
aoqi@0	52	assertTrue(c.m("lambda") == 6);
aoqi@0	53
aoqi@0	54	E<Double, String> e = a -> Double.toHexString(a);
aoqi@0	55	assertTrue(e.m(Double.MAX_VALUE).equals("0x1.fffffffffffffp1023"));
aoqi@0	56	assertTrue(e.m(Double.MIN_VALUE).equals("0x0.0000000000001p-1022"));
aoqi@0	57	assertTrue(e.m(1.0).equals("0x1.0p0"));
aoqi@0	58	}
aoqi@0	59
aoqi@0	60	private void m1(C<Date, Long> c) {
aoqi@0	61	Calendar cal = Calendar.getInstance(TimeZone.getTimeZone("GMT"));
aoqi@0	62	cal.set(1970, 0, 1, 0, 0, 0);
aoqi@0	63	cal.set(Calendar.MILLISECOND, 0);
aoqi@0	64	Date date = cal.getTime();
aoqi@0	65	assertTrue(c.m(date) == 0L);
aoqi@0	66	}
aoqi@0	67
aoqi@0	68	private void m2(E<Integer, String> e) {
aoqi@0	69	assertTrue(e.m(2).equals("2"));
aoqi@0	70	}
aoqi@0	71
aoqi@0	72	interface A<T extends Serializable, U> {
aoqi@0	73	U m(T t);
aoqi@0	74	}
aoqi@0	75
aoqi@0	76	interface C<X extends Serializable, Y extends Number> extends A<X,Y> {}
aoqi@0	77
aoqi@0	78	interface E<X extends Serializable, Y extends String> extends A<X,Y> {}
aoqi@0	79	}