jdk/test/java/util/Timer/Args.java
changeset 2 90ce3da70b43
child 5506 202f599c92aa
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jdk/test/java/util/Timer/Args.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,144 @@
+/*
+ * Copyright 2007 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ */
+
+/*
+ * @test
+ * @bug 6571655 6571881 6574585 6571297
+ * @summary Test various args to task scheduling methods
+ */
+
+import java.util.*;
+import java.util.concurrent.*;
+
+public class Args {
+    void schedule(final Timer t, final TimerTask task, final Date d) {
+        t.schedule(task, d);
+        THROWS(IllegalStateException.class,
+               new F(){void f(){ t.schedule(task, d); }});
+    }
+
+    void schedule(final Timer t, final TimerTask task, final Date d, final long period) {
+        t.schedule(task, d, period);
+        THROWS(IllegalStateException.class,
+               new F(){void f(){ t.schedule(task, d, period); }});
+    }
+
+    void scheduleAtFixedRate(final Timer t, final TimerTask task, final Date d, final long period) {
+        t.scheduleAtFixedRate(task, d, period);
+        THROWS(IllegalStateException.class,
+               new F(){void f(){ t.scheduleAtFixedRate(task, d, period); }});
+    }
+
+    TimerTask counter(final CountDownLatch latch) {
+        return new TimerTask() { public void run() {
+            check(latch.getCount() > 0);
+            latch.countDown();
+        }};
+    }
+
+    void test(String[] args) throws Throwable {
+        final Timer t = new Timer();
+        final TimerTask x = new TimerTask() { public void run() {}};
+        THROWS(IllegalArgumentException.class,
+               new F(){void f(){ t.schedule(x, -42); }},
+               new F(){void f(){ t.schedule(x, new Date(-42)); }},
+
+               new F(){void f(){ t.schedule(x, Long.MAX_VALUE); }},
+               new F(){void f(){ t.schedule(x, -42, 42); }},
+               new F(){void f(){ t.schedule(x, new Date(-42), 42); }},
+               new F(){void f(){ t.schedule(x, Long.MAX_VALUE, 42); }},
+               new F(){void f(){ t.schedule(x, 42, 0); }},
+               new F(){void f(){ t.schedule(x, new Date(42), 0); }},
+               new F(){void f(){ t.schedule(x, 42, -42); }},
+               new F(){void f(){ t.schedule(x, new Date(42), -42); }},
+
+               new F(){void f(){ t.scheduleAtFixedRate(x, -42, 42); }},
+               new F(){void f(){ t.scheduleAtFixedRate(x, new Date(-42), 42); }},
+               new F(){void f(){ t.scheduleAtFixedRate(x, Long.MAX_VALUE, 42); }},
+               new F(){void f(){ t.scheduleAtFixedRate(x, 42, 0); }},
+               new F(){void f(){ t.scheduleAtFixedRate(x, new Date(42), 0); }},
+               new F(){void f(){ t.scheduleAtFixedRate(x, 42, -42); }},
+               new F(){void f(){ t.scheduleAtFixedRate(x, new Date(42), -42); }}
+               );
+
+        THROWS(NullPointerException.class,
+               new F(){void f(){ t.schedule(null, 42); }},
+               new F(){void f(){ t.schedule(x, (Date)null); }},
+
+               new F(){void f(){ t.schedule(null, 42, 42); }},
+               new F(){void f(){ t.schedule(x, (Date)null, 42); }},
+
+               new F(){void f(){ t.scheduleAtFixedRate(null, 42, 42); }},
+               new F(){void f(){ t.scheduleAtFixedRate(x, (Date)null, 42); }}
+               );
+
+        final long start = System.currentTimeMillis();
+        final Date past = new Date(start - 10500);
+        final CountDownLatch y1 = new CountDownLatch(1);
+        final CountDownLatch y2 = new CountDownLatch(1);
+        final CountDownLatch y3 = new CountDownLatch(11);
+        schedule(           t, counter(y1), past);
+        schedule(           t, counter(y2), past, 1000);
+        scheduleAtFixedRate(t, counter(y3), past, 1000);
+        y3.await();
+        y1.await();
+        y2.await();
+        System.out.printf("elapsed=%d%n", System.currentTimeMillis() - start);
+        check(System.currentTimeMillis() - start < 500);
+
+        t.cancel();
+
+        THROWS(IllegalStateException.class,
+               new F(){void f(){ t.schedule(x, 42); }},
+               new F(){void f(){ t.schedule(x, past); }},
+               new F(){void f(){ t.schedule(x, 42, 42); }},
+               new F(){void f(){ t.schedule(x, past, 42); }},
+               new F(){void f(){ t.scheduleAtFixedRate(x, 42, 42); }},
+               new F(){void f(){ t.scheduleAtFixedRate(x, past, 42); }});
+
+    }
+
+    //--------------------- Infrastructure ---------------------------
+    volatile int passed = 0, failed = 0;
+    void pass() {passed++;}
+    void fail() {failed++; Thread.dumpStack();}
+    void fail(String msg) {System.err.println(msg); fail();}
+    void unexpected(Throwable t) {failed++; t.printStackTrace();}
+    void check(boolean cond) {if (cond) pass(); else fail();}
+    void equal(Object x, Object y) {
+        if (x == null ? y == null : x.equals(y)) pass();
+        else fail(x + " not equal to " + y);}
+    public static void main(String[] args) throws Throwable {
+        new Args().instanceMain(args);}
+    void instanceMain(String[] args) throws Throwable {
+        try {test(args);} catch (Throwable t) {unexpected(t);}
+        System.out.printf("%nPassed = %d, failed = %d%n%n", passed, failed);
+        if (failed > 0) throw new AssertionError("Some tests failed");}
+    abstract class F {abstract void f() throws Throwable;}
+    void THROWS(Class<? extends Throwable> k, F... fs) {
+        for (F f : fs)
+            try {f.f(); fail("Expected " + k.getName() + " not thrown");}
+            catch (Throwable t) {
+                if (k.isAssignableFrom(t.getClass())) pass();
+                else unexpected(t);}}
+}