svn commit: r802754 - /jackrabbit/trunk/jackrabbit-jcr-commons/src/test/java/org/apache/jackrabbit/util/Base64Test.java

[st...@apache.org]

Author: stefan
Date: Mon Aug 10 11:46:33 2009
New Revision: 802754

URL: http://svn.apache.org/viewvc?rev=802754&view=rev
Log:
JCR-2250: Base64 bug - last buffer not flushed

Added:
    jackrabbit/trunk/jackrabbit-jcr-commons/src/test/java/org/apache/jackrabbit/util/Base64Test.java

Added: jackrabbit/trunk/jackrabbit-jcr-commons/src/test/java/org/apache/jackrabbit/util/Base64Test.java
URL: http://svn.apache.org/viewvc/jackrabbit/trunk/jackrabbit-jcr-commons/src/test/java/org/apache/jackrabbit/util/Base64Test.java?rev=802754&view=auto
==============================================================================
--- jackrabbit/trunk/jackrabbit-jcr-commons/src/test/java/org/apache/jackrabbit/util/Base64Test.java (added)
+++ jackrabbit/trunk/jackrabbit-jcr-commons/src/test/java/org/apache/jackrabbit/util/Base64Test.java Mon Aug 10 11:46:33 2009
@@ -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.jackrabbit.util;
+
+import junit.framework.TestCase;
+
+import java.io.StringWriter;
+import java.io.ByteArrayOutputStream;
+import java.io.ByteArrayInputStream;
+import java.util.Random;
+import java.util.Arrays;
+
+/**
+ * Test cases for Base64 encode / decode.
+ */
+public class Base64Test extends TestCase {
+
+    private Random _random = new Random();
+
+    /**
+     * @return Returns the _random.
+     */
+    protected Random getRandom() {
+        return this._random;
+    }
+
+    /**
+     * Tests that base 64 encoding/decoding round trips are lossless.
+     */
+    public void testBase64() throws Exception {
+        base64RoundTrip(new byte[0]);
+
+        for (int i = 0; i < 10000; i++) {
+            base64RoundTrip();
+        }
+    }
+
+    public void testBase64Streaming() throws Exception {
+        byte[] data = new byte[0x100000];
+        getRandom().nextBytes(data);
+
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        Base64.encode(new ByteArrayInputStream(data), baos);
+        byte[] encData = baos.toByteArray();
+
+        baos = new ByteArrayOutputStream();
+        Base64.decode(new ByteArrayInputStream(encData), baos);
+        byte[] decData = baos.toByteArray();
+        assertTrue(Arrays.equals(data, decData));       
+    }
+
+    private void base64RoundTrip() throws Exception {
+        int len = getRandom().nextInt(0x1000);
+        byte[] b1 = new byte[len];
+        getRandom().nextBytes(b1);
+
+        base64RoundTrip(b1);
+    }
+
+    private void base64RoundTrip(byte[] ba) throws Exception {
+        StringWriter sw = new StringWriter();
+        Base64.encode(ba, 0, ba.length, sw);
+        String s = sw.toString();
+
+        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+        Base64.decode(s, baos);
+        byte[] ba2 = baos.toByteArray();
+        assertNotNull(ba2);
+        assertEquals(ba.length, ba2.length);
+
+        for (int i = 0; i < ba.length; i++) {
+            assertEquals(ba[i], ba2[i]);
+        }
+    }
+}
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