1 /* 2 * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. 8 * 9 * This code is distributed in the hope that it will be useful, but WITHOUT 10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 11 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 12 * version 2 for more details (a copy is included in the LICENSE file that 13 * accompanied this code). 14 * 15 * You should have received a copy of the GNU General Public License version 16 * 2 along with this work; if not, write to the Free Software Foundation, 17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 18 * 19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 20 * or visit www.oracle.com if you need additional information or have any 21 * questions. 22 */ 23 24 /** 25 * @test 26 * @bug 8206986 27 * @compile --enable-preview -source 12 ExpressionSwitchIntersectionTypes.java 28 * @run main/othervm --enable-preview ExpressionSwitchIntersectionTypes 29 */ 30 31 public class ExpressionSwitchIntersectionTypes<X extends java.io.Serializable & Runnable> { 32 33 void test1(int i, X x) { 34 Runnable r1 = switch (i) { 35 default -> x; 36 }; 37 r1.run(); 38 } 39 40 void test2(int i, X x) { 41 (switch (i) { 42 default -> x; 43 }).run(); 44 } 45 46 public static void main(String[] args) { 47 ExpressionSwitchIntersectionTypes t = new ExpressionSwitchIntersectionTypes(); 48 try { 49 t.test1(0, ""); 50 throw new AssertionError("Expected exception didn't occur."); 51 } catch (ClassCastException ex) { 52 //good 53 } 54 try { 55 t.test2(0, ""); 56 throw new AssertionError("Expected exception didn't occur."); 57 } catch (ClassCastException ex) { 58 //good 59 } 60 } 61 62 }