jdk-24/test/langtools/tools/javac/switchexpr/BlockExpression.java
Jan Lahoda b3b644438e 8206986: Compiler support for Switch Expressions (Preview)
8207405: Compiler Tree API support for Switch Expressions (Preview)

Support for switch expression, switch with rules and multiple constants for cases.

Reviewed-by: jjg, mcimadamore, vromero
2018-08-29 09:36:17 +02:00

53 lines
1.7 KiB
Java

/*
* Copyright (c) 2017, 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
* @summary Verify rule cases with expression statements and throw statements work.
* @compile --enable-preview -source 12 BlockExpression.java
* @run main/othervm --enable-preview BlockExpression
*/
public class BlockExpression {
public static void main(String... args) {
T t = T.B;
try {
int ii = switch (t) {
case A -> 0;
default -> throw new IllegalStateException();
};
throw new AssertionError("Expected exception not thrown.");
} catch (IllegalStateException ex) {
//OK
}
}
enum T {
A, B;
}
}