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test/tools/javac/lambda/LambdaConv03.java@5ddecb91d843 (annotated)

test/tools/javac/lambda/LambdaConv03.java

Tue, 12 Mar 2013 16:02:43 +0000

author

mcimadamore

date

Tue, 12 Mar 2013 16:02:43 +0000

changeset 1628

5ddecb91d843

parent 0

959103a6100f

permissions

-rw-r--r--

8009545: Graph inference: dependencies between inference variables should be set during incorporation
Summary: Move all transitivity checks into the incorporation round
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	* SAM types and method type inference
aoqi@0	29	* @author Brian Goetz
aoqi@0	30	* @author Maurizio Cimadamore
aoqi@0	31	* @run main LambdaConv03
aoqi@0	32	*/
aoqi@0	33
aoqi@0	34	public class LambdaConv03 {
aoqi@0	35
aoqi@0	36	static int assertionCount = 0;
aoqi@0	37
aoqi@0	38	static void assertTrue(boolean cond) {
aoqi@0	39	assertionCount++;
aoqi@0	40	if (!cond)
aoqi@0	41	throw new AssertionError();
aoqi@0	42	}
aoqi@0	43
aoqi@0	44	interface TU<T, U> {
aoqi@0	45	public T foo(U u);
aoqi@0	46	}
aoqi@0	47
aoqi@0	48	public static <T, U> T exec(TU<T, U> lambda, U x) {
aoqi@0	49	return lambda.foo(x);
aoqi@0	50	}
aoqi@0	51
aoqi@0	52	static {
aoqi@0	53	//Covariant returns:
aoqi@0	54	int i1 = exec((Integer x) -> { return x; }, 3);
aoqi@0	55	assertTrue(3 == i1);
aoqi@0	56	//Method resolution with boxing:
aoqi@0	57	int i2 = exec((Integer x) -> { return x; }, 3);
aoqi@0	58	assertTrue(3 == i2);
aoqi@0	59	//Runtime exception transparency:
aoqi@0	60	try {
aoqi@0	61	exec((Object x) -> { return x.hashCode(); }, null);
aoqi@0	62	}
aoqi@0	63	catch (RuntimeException e) {
aoqi@0	64	assertTrue(true);
aoqi@0	65	}
aoqi@0	66	}
aoqi@0	67
aoqi@0	68	{
aoqi@0	69	//Covariant returns:
aoqi@0	70	int i1 = exec((Integer x) -> { return x; }, 3);
aoqi@0	71	assertTrue(3 == i1);
aoqi@0	72	//Method resolution with boxing:
aoqi@0	73	int i2 = exec((Integer x) -> { return x; }, 3);
aoqi@0	74	assertTrue(3 == i2);
aoqi@0	75	//Runtime exception transparency:
aoqi@0	76	try {
aoqi@0	77	exec((Object x) -> { return x.hashCode(); }, null);
aoqi@0	78	}
aoqi@0	79	catch (RuntimeException e) {
aoqi@0	80	assertTrue(true);
aoqi@0	81	}
aoqi@0	82	}
aoqi@0	83
aoqi@0	84	public static void test1() {
aoqi@0	85	//Covariant returns:
aoqi@0	86	int i1 = exec((Integer x) -> { return x; }, 3);
aoqi@0	87	assertTrue(3 == i1);
aoqi@0	88	//Method resolution with boxing:
aoqi@0	89	int i2 = exec((Integer x) -> { return x; }, 3);
aoqi@0	90	assertTrue(3 == i2);
aoqi@0	91	//Runtime exception transparency:
aoqi@0	92	try {
aoqi@0	93	exec((Object x) -> { return x.hashCode(); }, null);
aoqi@0	94	}
aoqi@0	95	catch (RuntimeException e) {
aoqi@0	96	assertTrue(true);
aoqi@0	97	}
aoqi@0	98	}
aoqi@0	99
aoqi@0	100	public void test2() {
aoqi@0	101	//Covariant returns:
aoqi@0	102	int i1 = exec((Integer x) -> { return x; }, 3);
aoqi@0	103	assertTrue(3 == i1);
aoqi@0	104	//Method resolution with boxing:
aoqi@0	105	int i2 = exec((Integer x) -> { return x; }, 3);
aoqi@0	106	assertTrue(3 == i2);
aoqi@0	107	//Runtime exception transparency:
aoqi@0	108	try {
aoqi@0	109	exec((Object x) -> { return x.hashCode(); }, null);
aoqi@0	110	}
aoqi@0	111	catch (RuntimeException e) {
aoqi@0	112	assertTrue(true);
aoqi@0	113	}
aoqi@0	114	}
aoqi@0	115
aoqi@0	116	public static void main(String[] args) {
aoqi@0	117	test1();
aoqi@0	118	new LambdaConv03().test2();
aoqi@0	119	assertTrue(assertionCount == 12);
aoqi@0	120	}
aoqi@0	121	}