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From t...@apache.org
Subject svn commit: r1359349 - /hadoop/common/branches/branch-1/src/test/org/apache/hadoop/io/TestIOUtils.java
Date Mon, 09 Jul 2012 19:21:21 GMT
Author: tucu
Date: Mon Jul  9 19:21:21 2012
New Revision: 1359349

URL: http://svn.apache.org/viewvc?rev=1359349&view=rev
Log:
MAPREDUCE-3993. Adding missing file from previous commit

Added:
    hadoop/common/branches/branch-1/src/test/org/apache/hadoop/io/TestIOUtils.java

Added: hadoop/common/branches/branch-1/src/test/org/apache/hadoop/io/TestIOUtils.java
URL: http://svn.apache.org/viewvc/hadoop/common/branches/branch-1/src/test/org/apache/hadoop/io/TestIOUtils.java?rev=1359349&view=auto
==============================================================================
--- hadoop/common/branches/branch-1/src/test/org/apache/hadoop/io/TestIOUtils.java (added)
+++ hadoop/common/branches/branch-1/src/test/org/apache/hadoop/io/TestIOUtils.java Mon Jul
 9 19:21:21 2012
@@ -0,0 +1,54 @@
+/**
+ * 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.hadoop.io;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertTrue;
+import static org.junit.Assert.fail;
+
+import java.io.IOException;
+import java.io.InputStream;
+
+import org.junit.Test;
+import org.mockito.Mockito;
+
+public class TestIOUtils {
+
+  @Test
+  public void testWrappedReadForCompressedData() throws IOException {
+    byte[] buf = new byte[2];
+    InputStream mockStream = Mockito.mock(InputStream.class);
+    Mockito.when(mockStream.read(buf, 0, 1)).thenReturn(1);
+    Mockito.when(mockStream.read(buf, 0, 2)).thenThrow(
+        new java.lang.InternalError());
+
+    try {
+      assertEquals("Check expected value", 1,
+          IOUtils.wrappedReadForCompressedData(mockStream, buf, 0, 1));
+    } catch (IOException ioe) {
+      fail("Unexpected error while reading");
+    }
+    try {
+      IOUtils.wrappedReadForCompressedData(mockStream, buf, 0, 2);
+    } catch (IOException ioe) {
+      assertTrue("Unexpected exception caught",
+          ioe.getMessage().contains("Error while reading compressed data"));
+    }
+  }
+}



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