1 files changed, 89 insertions, 0 deletions
diff --git a/harmony-tests/src/test/java/org/apache/harmony/tests/java/nio/channels/SelectableChannelTest.java b/harmony-tests/src/test/java/org/apache/harmony/tests/java/nio/channels/SelectableChannelTest.java
new file mode 100644
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--- /dev/null
+++ b/harmony-tests/src/test/java/org/apache/harmony/tests/java/nio/channels/SelectableChannelTest.java
@@ -0,0 +1,89 @@
+/* Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.apache.harmony.tests.java.nio.channels;
+
+import java.io.IOException;
+import java.nio.channels.ClosedChannelException;
+import java.nio.channels.SelectableChannel;
+import java.nio.channels.SelectionKey;
+import java.nio.channels.Selector;
+import java.nio.channels.spi.SelectorProvider;
+import junit.framework.TestCase;
+
+/*
+ * Tests for SelectableChannel
+ */
+public class SelectableChannelTest extends TestCase {
+
+    /**
+     * @tests SelectableChannel#register(Selector, int)
+     */
+    public void test_register_LSelectorI() throws IOException {
+        MockSelectableChannel msc = new MockSelectableChannel();
+        // Verify that calling register(Selector, int) leads to the method
+        // register(Selector, int, Object) being called with a null value 
+        // for the third argument.
+        msc.register(Selector.open(), SelectionKey.OP_ACCEPT);
+        assertTrue(msc.isCalled);
+    }
+
+    private class MockSelectableChannel extends SelectableChannel {
+
+        private boolean isCalled = false;
+
+        public Object blockingLock() {
+            return null;
+        }
+
+        public SelectableChannel configureBlocking(boolean block)
+                throws IOException {
+            return null;
+        }
+
+        public boolean isBlocking() {
+            return false;
+        }
+
+        public boolean isRegistered() {
+            return false;
+        }
+
+        public SelectionKey keyFor(Selector sel) {
+            return null;
+        }
+
+        public SelectorProvider provider() {
+            return null;
+        }
+
+        public SelectionKey register(Selector sel, int ops, Object att)
+                throws ClosedChannelException {
+            if (null == att) {
+                isCalled = true;
+            }
+            return null;
+        }
+
+        public int validOps() {
+            return 0;
+        }
+
+        protected void implCloseChannel() throws IOException {
+            // empty
+        }
+    }
+}