76 lines
2.5 KiB
Java
76 lines
2.5 KiB
Java
/*
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* Copyright (c) 2017, 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 8206986
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* @summary Check fall through in switch expressions.
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* @compile ExpressionSwitchFallThrough1.java
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* @run main ExpressionSwitchFallThrough1
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*/
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import java.util.Objects;
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public class ExpressionSwitchFallThrough1 {
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public static void main(String... args) {
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new ExpressionSwitchFallThrough1().test();
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}
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private void test() {
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assertEquals("01", printExprFallThrough(0));
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assertEquals("1", printExprFallThrough(1));
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assertEquals("other", printExprFallThrough(3));
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assertEquals("01", printStatementFallThrough(0));
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assertEquals("1", printStatementFallThrough(1));
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assertEquals("other", printStatementFallThrough(3));
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}
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private String printExprFallThrough(Integer p) {
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String result = "";
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return switch (p) {
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case 0: result += "0";
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case 1: result += "1";
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yield result;
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default: yield "other";
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};
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}
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private String printStatementFallThrough(Integer p) {
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String result = "";
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switch (p) {
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case 0: result += "0";
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case 1: result += "1";
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break;
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default: result = "other";
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break;
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}
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return result;
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}
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private static void assertEquals(Object expected, Object actual) {
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if (!Objects.equals(actual, expected)) {
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throw new AssertionError("Unexpected result: " + actual + ", expected: " + expected);
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}
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}
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}
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