langtools/test/jdk/jshell/ShutdownTest.java
changeset 33362 65ec6de1d6b4
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/langtools/test/jdk/jshell/ShutdownTest.java	Mon Oct 19 19:15:16 2015 +0200
@@ -0,0 +1,133 @@
+/*
+ * 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 Shutdown tests
+ * @build KullaTesting TestingInputStream
+ * @run testng ShutdownTest
+ */
+
+import java.util.function.Consumer;
+
+import jdk.jshell.JShell;
+import jdk.jshell.JShell.Subscription;
+import org.testng.annotations.Test;
+
+import static org.testng.Assert.assertEquals;
+
+@Test
+public class ShutdownTest extends KullaTesting {
+
+    int shutdownCount;
+
+    void shutdownCounter(JShell state) {
+        ++shutdownCount;
+    }
+
+    @Test(enabled = false) //TODO 8139873
+    public void testExit() {
+        shutdownCount = 0;
+        getState().onShutdown(this::shutdownCounter);
+        assertEval("System.exit(1);");
+        assertEquals(shutdownCount, 1);
+    }
+
+    public void testCloseCallback() {
+        shutdownCount = 0;
+        getState().onShutdown(this::shutdownCounter);
+        getState().close();
+        assertEquals(shutdownCount, 1);
+    }
+
+    public void testCloseUnsubscribe() {
+        shutdownCount = 0;
+        Subscription token = getState().onShutdown(this::shutdownCounter);
+        getState().unsubscribe(token);
+        getState().close();
+        assertEquals(shutdownCount, 0);
+    }
+
+    public void testTwoShutdownListeners() {
+        ShutdownListener listener1 = new ShutdownListener();
+        ShutdownListener listener2 = new ShutdownListener();
+        Subscription subscription1 = getState().onShutdown(listener1);
+        Subscription subscription2 = getState().onShutdown(listener2);
+        getState().unsubscribe(subscription1);
+        getState().close();
+
+        assertEquals(listener1.getEvents(), 0, "Checking got events");
+        assertEquals(listener2.getEvents(), 1, "Checking got events");
+
+        getState().close();
+
+        assertEquals(listener1.getEvents(), 0, "Checking got events");
+        assertEquals(listener2.getEvents(), 1, "Checking got events");
+
+        getState().unsubscribe(subscription2);
+    }
+
+    @Test(expectedExceptions = IllegalStateException.class)
+    public void testCloseException() {
+        getState().close();
+        getState().eval("45");
+    }
+
+    @Test(expectedExceptions = IllegalStateException.class,
+          enabled = false) //TODO 8139873
+    public void testShutdownException() {
+        assertEval("System.exit(0);");
+        getState().eval("45");
+    }
+
+    @Test(expectedExceptions = NullPointerException.class)
+    public void testNullCallback() {
+        getState().onShutdown(null);
+    }
+
+    @Test(expectedExceptions = IllegalStateException.class)
+    public void testSubscriptionAfterClose() {
+        getState().close();
+        getState().onShutdown(e -> {});
+    }
+
+    @Test(expectedExceptions = IllegalStateException.class,
+          enabled = false) //TODO 8139873
+    public void testSubscriptionAfterShutdown() {
+        assertEval("System.exit(0);");
+        getState().onShutdown(e -> {});
+    }
+
+    private static class ShutdownListener implements Consumer<JShell> {
+        private int count;
+
+        @Override
+        public void accept(JShell shell) {
+            ++count;
+        }
+
+        public int getEvents() {
+            return count;
+        }
+    }
+}