/* * Copyright (c) 2018, 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 behavior when an intersection type is inferred for switch expression. * @compile --enable-preview -source 13 ExpressionSwitchIntersectionTypes.java * @run main/othervm --enable-preview ExpressionSwitchIntersectionTypes */ public class ExpressionSwitchIntersectionTypes { void test1(int i, X x) { Runnable r1 = switch (i) { default -> x; }; r1.run(); } void test2(int i, X x) { (switch (i) { default -> x; }).run(); } public static void main(String[] args) { ExpressionSwitchIntersectionTypes t = new ExpressionSwitchIntersectionTypes(); try { t.test1(0, ""); throw new AssertionError("Expected exception didn't occur."); } catch (ClassCastException ex) { //good } try { t.test2(0, ""); throw new AssertionError("Expected exception didn't occur."); } catch (ClassCastException ex) { //good } } }