eaa80ad08c
8300545: Compiler Implementation for Record Patterns Co-authored-by: Aggelos Biboudis <abimpoudis@openjdk.org> Reviewed-by: vromero, mcimadamore
83 lines
3.0 KiB
Java
83 lines
3.0 KiB
Java
/*
|
|
* Copyright (c) 2017, 2023, 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 8206986 8243548
|
|
* @summary Verify that an switch expression over enum can be exhaustive without default.
|
|
* @compile --release 20 ExhaustiveEnumSwitch.java
|
|
* @compile ExhaustiveEnumSwitchExtra.java
|
|
* @run main ExhaustiveEnumSwitch IncompatibleClassChangeError
|
|
* @compile ExhaustiveEnumSwitch.java
|
|
* @compile ExhaustiveEnumSwitchExtra.java
|
|
* @run main ExhaustiveEnumSwitch MatchException
|
|
*/
|
|
|
|
public class ExhaustiveEnumSwitch {
|
|
public static void main(String... args) throws ClassNotFoundException {
|
|
boolean matchException = "MatchException".equals(args[0]);
|
|
new ExhaustiveEnumSwitch().run(matchException);
|
|
}
|
|
|
|
private void run(boolean matchException) throws ClassNotFoundException {
|
|
ExhaustiveEnumSwitchEnum v = ExhaustiveEnumSwitchEnum.valueOf("F");
|
|
|
|
try {
|
|
print(v);
|
|
throw new AssertionError("Expected exception did not occur.");
|
|
} catch (IncompatibleClassChangeError err) {
|
|
if (matchException) {
|
|
throw new AssertionError("Expected IncompatibleClassChangeError, but got MatchException!");
|
|
}
|
|
} catch (Exception ex) {
|
|
//cannot refer to MatchException directly, as it used to be preview API in JDK 20:
|
|
if (ex.getClass() == Class.forName("java.lang.MatchException")) {
|
|
if (!matchException) {
|
|
throw new AssertionError("Expected MatchException, but got IncompatibleClassChangeError!");
|
|
}
|
|
} else {
|
|
throw ex;
|
|
}
|
|
}
|
|
}
|
|
|
|
private String print(ExhaustiveEnumSwitchEnum t) {
|
|
return switch (t) {
|
|
case A -> "A";
|
|
case B -> "B";
|
|
};
|
|
}
|
|
|
|
}
|
|
enum ExhaustiveEnumSwitchEnum {
|
|
A, B;
|
|
class NestedClass {}
|
|
enum NestedEnum {}
|
|
interface NestedInterface {}
|
|
@interface NestedAnnotation {}
|
|
void nestedMethod() {}
|
|
static void nestedStaticMethod() {}
|
|
int nestedField;
|
|
static int nestedStaticField;
|
|
}
|