| /* |
| * Copyright (c) 2015, 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 |
| * @summary Subscribe tests |
| * @build KullaTesting TestingInputStream |
| * @run testng SnippetStatusListenerTest |
| */ |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.List; |
| import java.util.function.Consumer; |
| |
| import jdk.jshell.DeclarationSnippet; |
| import jdk.jshell.JShell.Subscription; |
| import jdk.jshell.SnippetEvent; |
| import jdk.jshell.TypeDeclSnippet; |
| import org.testng.annotations.Test; |
| |
| import static jdk.jshell.Snippet.Status.*; |
| import static org.testng.Assert.assertEquals; |
| |
| @Test |
| public class SnippetStatusListenerTest extends KullaTesting { |
| |
| public void testTwoSnippetEventListeners() { |
| SnippetListener listener1 = new SnippetListener(); |
| SnippetListener listener2 = new SnippetListener(); |
| |
| Subscription subscription1 = getState().onSnippetEvent(listener1); |
| getState().onSnippetEvent(listener2); |
| |
| TypeDeclSnippet a = classKey(assertEval("class A {}")); |
| assertEval("interface A {}", |
| ste(MAIN_SNIPPET, VALID, VALID, true, null), |
| ste(a, VALID, OVERWRITTEN, false, null)); |
| DeclarationSnippet f = (DeclarationSnippet) assertDeclareFail("double f() { }", "compiler.err.missing.ret.stmt"); |
| assertEvalException("throw new RuntimeException();"); |
| assertEval("int a = 0;"); |
| |
| List<SnippetEvent> events1 = Collections.unmodifiableList(listener1.getEvents()); |
| assertEquals(events1, listener2.getEvents(), "Checking got events"); |
| getState().unsubscribe(subscription1); |
| |
| assertDrop(f, DiagCheck.DIAG_IGNORE, DiagCheck.DIAG_IGNORE, ste(f, REJECTED, DROPPED, false, null)); |
| assertEval("void f() { }", ste(MAIN_SNIPPET, DROPPED, VALID, true, null)); |
| assertEvalException("throw new RuntimeException();"); |
| assertEquals(listener1.getEvents(), events1, "Checking that unsubscribed listener does not get events"); |
| |
| List<SnippetEvent> events2 = new ArrayList<>(listener2.getEvents()); |
| events2.removeAll(events1); |
| |
| assertEquals(events2.size(), 3, "The second listener got events"); |
| } |
| |
| @Test(expectedExceptions = NullPointerException.class) |
| public void testNullCallback() { |
| getState().onSnippetEvent(null); |
| } |
| |
| @Test(expectedExceptions = IllegalStateException.class) |
| public void testSubscriptionAfterClose() { |
| getState().close(); |
| getState().onSnippetEvent(e -> {}); |
| } |
| |
| @Test(expectedExceptions = IllegalStateException.class, |
| enabled = false) //TODO 8139873 |
| public void testSubscriptionAfterShutdown() { |
| assertEval("System.exit(0);"); |
| getState().onSnippetEvent(e -> {}); |
| } |
| |
| public void testSubscriptionToAnotherState() { |
| SnippetListener listener = new SnippetListener(); |
| Subscription subscription = getState().onSnippetEvent(listener); |
| tearDown(); |
| setUp(); |
| assertEval("int x;"); |
| assertEquals(Collections.emptyList(), listener.getEvents(), "No events"); |
| getState().unsubscribe(subscription); |
| } |
| |
| private static class SnippetListener implements Consumer<SnippetEvent> { |
| private final List<SnippetEvent> events = new ArrayList<>(); |
| |
| @Override |
| public void accept(SnippetEvent event) { |
| events.add(event); |
| } |
| |
| public List<SnippetEvent> getEvents() { |
| return events; |
| } |
| } |
| } |