157 lines
4.2 KiB
Java
157 lines
4.2 KiB
Java
/*
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* Copyright (c) 2024, 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 8326404
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* @summary Assertion error when trying to compile switch with fallthrough with pattern
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* @compile T8326404.java
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* @run main T8326404
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*/
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public class T8326404 {
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private static final record R<T>(T a) {}
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public static void main(String[] args) {
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assertEquals(4, run1(""));
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assertEquals(3, run1(new R("")));
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assertEquals(2, run1(new R(42)));
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assertEquals(2, run1_break1(""));
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assertEquals(1, run1_break1(new R("")));
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assertEquals(2, run1_break1(new R(42)));
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assertEquals(3, run2(""));
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assertEquals(4, run2(new R("")));
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assertEquals(2, run2(new R(42)));
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assertEquals(1, run2_break1(""));
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assertEquals(2, run2_break1(new R("")));
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assertEquals(2, run2_break1(new R(42)));
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assertEquals(2, run3(""));
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assertEquals(4, run3(new R("")));
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assertEquals(3, run3(new R(42)));
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assertEquals(2, run3_break1(""));
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assertEquals(2, run3_break1(new R("")));
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assertEquals(1, run3_break1(new R(42)));
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}
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private static int run1(Object o) {
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int i = 0;
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switch (o) {
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case String _:
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i++;
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case R(String _):
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i++;
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case R(Integer _):
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i++;
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default:
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i++;
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}
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return i;
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}
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private static int run1_break1(Object o) {
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int i = 0;
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switch (o) {
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case String s:
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i++;
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case R(String _):
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i++;
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break;
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case R(Integer _):
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i++;
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default:
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i++;
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}
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return i;
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}
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private static int run2(Object o) {
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int i = 0;
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switch (o) {
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case R(String _):
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i++;
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case String _:
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i++;
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case R(Integer _):
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i++;
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default:
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i++;
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}
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return i;
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}
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private static int run2_break1(Object o) {
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int i = 0;
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switch (o) {
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case R(String _):
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i++;
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case String _:
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i++;
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break;
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case R(Integer _):
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i++;
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default:
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i++;
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}
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return i;
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}
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private static int run3(Object o) {
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int i = 0;
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switch (o) {
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case R(String _):
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i++;
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case R(Integer _):
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i++;
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case String _:
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i++;
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default:
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i++;
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}
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return i;
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}
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private static int run3_break1(Object o) {
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int i = 0;
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switch (o) {
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case R(String _):
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i++;
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case R(Integer _):
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i++;
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break;
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case String _:
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i++;
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default:
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i++;
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}
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return i;
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}
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static void assertEquals(int expected, int actual) {
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if (expected != actual) {
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throw new AssertionError("Expected: " + expected + ", but got: " + actual);
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}
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}
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} |