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test/tools/javac/multicatch/Pos02.java@a6f2911a7c55 (annotated)

test/tools/javac/multicatch/Pos02.java

Mon, 03 May 2010 17:12:59 -0700

author

mcimadamore

date

Mon, 03 May 2010 17:12:59 -0700

changeset 550

a6f2911a7c55

child 554

9d9f26857129

permissions

-rw-r--r--

6943289: Project Coin: Improved Exception Handling for Java (aka 'multicatch')
Reviewed-by: jjg, darcy

mcimadamore@550	1	/*
mcimadamore@550	2	* Copyright 2010 Sun Microsystems, Inc. All Rights Reserved.
mcimadamore@550	3	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
mcimadamore@550	4	*
mcimadamore@550	5	* This code is free software; you can redistribute it and/or modify it
mcimadamore@550	6	* under the terms of the GNU General Public License version 2 only, as
mcimadamore@550	7	* published by the Free Software Foundation.
mcimadamore@550	8	*
mcimadamore@550	9	* This code is distributed in the hope that it will be useful, but WITHOUT
mcimadamore@550	10	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
mcimadamore@550	11	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
mcimadamore@550	12	* version 2 for more details (a copy is included in the LICENSE file that
mcimadamore@550	13	* accompanied this code).
mcimadamore@550	14	*
mcimadamore@550	15	* You should have received a copy of the GNU General Public License version
mcimadamore@550	16	* 2 along with this work; if not, write to the Free Software Foundation,
mcimadamore@550	17	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
mcimadamore@550	18	*
mcimadamore@550	19	* Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
mcimadamore@550	20	* CA 95054 USA or visit www.sun.com if you need additional information or
mcimadamore@550	21	* have any questions.
mcimadamore@550	22	*/
mcimadamore@550	23
mcimadamore@550	24	/*
mcimadamore@550	25	* @test
mcimadamore@550	26	* @bug 6943289
mcimadamore@550	27	* @summary Project Coin: Improved Exception Handling for Java (aka 'multicatch')
mcimadamore@550	28	*
mcimadamore@550	29	*/
mcimadamore@550	30
mcimadamore@550	31	public class Pos02 {
mcimadamore@550	32
mcimadamore@550	33	static class A extends Exception {}
mcimadamore@550	34	static class B extends Exception {}
mcimadamore@550	35	static class C extends Exception {}
mcimadamore@550	36	static class C1 extends C {}
mcimadamore@550	37	static class C2 extends C {}
mcimadamore@550	38
mcimadamore@550	39	enum ExceptionKind {
mcimadamore@550	40	A,
mcimadamore@550	41	B,
mcimadamore@550	42	C1,
mcimadamore@550	43	C2
mcimadamore@550	44	}
mcimadamore@550	45
mcimadamore@550	46	static int caughtExceptions = 0;
mcimadamore@550	47	static int caughtRethrownExceptions = 0;
mcimadamore@550	48
mcimadamore@550	49	static void test(ExceptionKind ekind) throws A, C1 {
mcimadamore@550	50	try {
mcimadamore@550	51	switch (ekind) {
mcimadamore@550	52	case A : throw new A();
mcimadamore@550	53	case B : throw new B();
mcimadamore@550	54	case C1: throw new C1();
mcimadamore@550	55	case C2 : throw new C2();
mcimadamore@550	56	}
mcimadamore@550	57	}
mcimadamore@550	58	catch (final C2 | B ex) {
mcimadamore@550	59	caughtExceptions++;
mcimadamore@550	60	}
mcimadamore@550	61	catch (final C | A ex) {
mcimadamore@550	62	caughtExceptions++;
mcimadamore@550	63	throw ex;
mcimadamore@550	64	}
mcimadamore@550	65	}
mcimadamore@550	66
mcimadamore@550	67	public static void main(String[] args) {
mcimadamore@550	68	for (ExceptionKind ekind : ExceptionKind.values()) {
mcimadamore@550	69	try {
mcimadamore@550	70	test(ekind);
mcimadamore@550	71	}
mcimadamore@550	72	catch (final C1 | A ex) {
mcimadamore@550	73	caughtRethrownExceptions++;
mcimadamore@550	74	}
mcimadamore@550	75	}
mcimadamore@550	76	if (caughtExceptions != 4 && caughtRethrownExceptions == 2) {
mcimadamore@550	77	throw new AssertionError("Exception handler called " + caughtExceptions + "times" +
mcimadamore@550	78	" rethrown handler called " + caughtRethrownExceptions + "times");
mcimadamore@550	79	}
mcimadamore@550	80	}
mcimadamore@550	81	}