87 lines
2.6 KiB
Java
87 lines
2.6 KiB
Java
/*
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* Copyright (c) 2018, 2019, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/**
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* @test
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* @bug 8214113
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* @summary Verify the switch expression's type does not have a constant attached,
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* and so the switch expression is not elided.
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* @compile SwitchExpressionIsNotAConstant.java
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* @run main SwitchExpressionIsNotAConstant
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*/
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public class SwitchExpressionIsNotAConstant {
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public static void main(String[] args) {
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int i = 0;
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{
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i = 0;
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int dummy = 1 + switch (i) {
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default -> {
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i++;
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yield 1;
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}
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};
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if (i != 1) {
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throw new IllegalStateException("Side effects missing.");
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}
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}
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{
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i = 0;
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int dummy = 1 + switch (i) {
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case -1 -> 1;
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default -> {
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i++;
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yield 1;
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}
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};
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if (i != 1) {
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throw new IllegalStateException("Side effects missing.");
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}
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}
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{
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i = 0;
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int dummy = 1 + switch (i) {
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default :
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i++;
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yield 1;
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};
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if (i != 1) {
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throw new IllegalStateException("Side effects missing.");
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}
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}
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{
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i = 0;
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int dummy = 1 + switch (i) {
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case -1: yield 1;
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default:
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i++;
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yield 1;
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};
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if (i != 1) {
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throw new IllegalStateException("Side effects missing.");
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}
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}
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}
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}
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