--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/tests/gov/nasa/jpf/util/SplitOutputStreamTest.java	Fri Jan 23 10:14:01 2015 -0800
@@ -0,0 +1,156 @@
+/*
+ * Copyright (C) 2014, United States Government, as represented by the
+ * Administrator of the National Aeronautics and Space Administration.
+ * All rights reserved.
+ *
+ * The Java Pathfinder core (jpf-core) platform is licensed 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 gov.nasa.jpf.util;
+
+import gov.nasa.jpf.util.test.TestJPF;
+import java.io.IOException;
+import java.io.OutputStream;
+import java.io.PipedInputStream;
+import java.io.PipedOutputStream;
+import java.util.Arrays;
+
+import org.junit.After;
+import org.junit.Before;
+import org.junit.Test;
+
+public class SplitOutputStreamTest extends TestJPF {
+
+  private PipedInputStream m_sinks[];
+  private SplitOutputStream m_fixture;
+
+  @Before
+  public void before() throws IOException {
+    PipedOutputStream output[];
+    int i;
+
+    m_sinks = new PipedInputStream[2];
+    output = new PipedOutputStream[2];
+
+    for (i = m_sinks.length; --i >= 0;) {
+      m_sinks[i] = new PipedInputStream();
+      output[i] = new PipedOutputStream(m_sinks[i]);
+    }
+
+    m_fixture = new SplitOutputStream(output);
+
+    Arrays.fill(output, null);   // Force SplitOutputStream to make a copy of output
+  }
+
+  @After
+  public void after() throws IOException {
+    int i, length, offset, delta;
+    byte expect[], actual[];
+
+    m_fixture.flush();
+    m_fixture.close();
+
+    expect = new byte[128];
+    actual = new byte[128];
+
+    while (true) {
+      length = m_sinks[0].read(expect);
+
+      if (length < 0) {
+        break;
+      }
+
+      for (i = m_sinks.length; --i > 0;) {
+        assertTrue(m_sinks[i].available() >= length);
+
+        for (offset = 0; offset < length; offset += delta) {
+          delta = m_sinks[i].read(actual, offset, length - offset);
+
+          assertTrue(delta >= 0);
+        }
+
+        assertArrayEquals(actual, expect);
+      }
+    }
+
+    for (i = m_sinks.length; --i > 0;) {
+      assertEquals(-1, m_sinks[i].read());
+    }
+  }
+
+  @Test(expected = NullPointerException.class)
+  public void passNullPointerToConstructor() throws IOException {
+    OutputStream sinks[];
+
+    sinks = null;
+
+    new SplitOutputStream(sinks);
+  }
+
+  @Test(expected = IllegalArgumentException.class)
+  public void passNoArgsToConstructor() throws IOException {
+    new SplitOutputStream();
+  }
+
+  @Test(expected = NullPointerException.class)
+  public void passNullArgsToConstructor() throws IOException {
+    OutputStream sink;
+
+    sink = null;
+
+    new SplitOutputStream(sink);
+  }
+
+  @Test
+  public void writeByte() throws IOException {
+    m_fixture.write(123);
+  }
+
+  @Test
+  public void modifyAfterConstructor() {
+
+  }
+
+  @Test(expected = NullPointerException.class)
+  public void writeNullBuffer() throws IOException {
+    m_fixture.write(null, 0, 1);
+  }
+
+  @Test(expected = IndexOutOfBoundsException.class)
+  public void writeIndexNegOne() throws IOException {
+    m_fixture.write(new byte[0], -1, 0);
+  }
+
+  @Test(expected = IndexOutOfBoundsException.class)
+  public void writeLengthNegOne() throws IOException {
+    m_fixture.write(new byte[0], 0, -1);
+  }
+
+  @Test(expected = IndexOutOfBoundsException.class)
+  public void writeBeyondEnd() throws IOException {
+    m_fixture.write(new byte[16], 8, 9);
+  }
+
+  @Test
+  public void writeLengthZero() throws IOException {
+    m_fixture.write(new byte[1], 0, 0);
+  }
+
+  @Test
+  public void writeArray() throws IOException {
+    byte buffer[];
+
+    buffer = new byte[]{2, 3, 5, 7, 11, 13};
+
+    m_fixture.write(buffer);
+  }
+}