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/*
* Copyright (c) 2010, 2013, 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 8013163
* @author sogoel
* @summary Test multiple nested multi-catch blocks with Exception hierarchies
* @run main Pos11
*/
/*
* For this test, exception hierarchy used:
*
* Throwable
* / \
* Exception Error
* | | |
* A B D
* |
* C
* |
* E
* As an exception is thrown within a nested try-catch block, outer catch blocks
* will catch an exception or its child exceptions, so the same exception can
* be caught and rethrown multiple times.
*/
public class Pos11 {
public static String results = "";
public static String sExpected = "-AB:A-AB:B-CD:C-AB:C-CD:D-Throwable:D-CD:E" +
"-AB:E-Exception:Exception-Throwable:Exception";
enum TestExceptions {
A("A"),
B("B"),
C("C"),
D("D"),
E("E"),
U("U");
String exType;
TestExceptions(String type) {
this.exType = type;
}
}
public static void main(String... args) {
Pos11 pos11 = new Pos11();
for(TestExceptions t : TestExceptions.values()) {
pos11.rethrower(t.exType);
}
if (results.compareTo(sExpected) != 0)
throw new RuntimeException("FAIL: final strings did not match:\n"
+ results + "!=\n" + sExpected);
System.out.println("PASS");
}
void rethrower(String T) {
try { /* try1 */
try { /* try2 */
try { /* try3 */
try { /* try4 */
switch (T) {
case "A":
throw new A();
case "B":
throw new B();
case "C":
throw new C();
case "D":
throw new D();
case "E":
throw new E();
default:
throw new Exception(
new Throwable());
}
} catch ( final C|D cd) {
results=results.concat("-CD:" + cd.getClass().getSimpleName());
throw cd;
}
} catch (final A|B ab) {
results=results.concat("-AB:" + ab.getClass().getSimpleName());
}
} catch (final Exception e ) {
results=results.concat("-Exception:" + e.getClass().getSimpleName());
throw e;
}
} catch (Throwable t) {
results=results.concat("-Throwable:" + t.getClass().getSimpleName());
}
}
// Test Exception
static class A extends Exception {}
// Test Exception
static class B extends Exception {}
// Test Exception
static class C extends B {}
// Not a descendant of Exception
static class D extends Error {}
// Test Exception
static class E extends C {}
}
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