Author: j16sdiz
Date: 2009-04-24 04:28:49 +0000 (Fri, 24 Apr 2009)
New Revision: 27280
Added:
trunk/freenet/test/freenet/support/ShortBufferTest.java
Modified:
trunk/freenet/test/freenet/support/BufferTest.java
Log:
New ShortBufferTest based on BufferTest
Modified: trunk/freenet/test/freenet/support/BufferTest.java
===================================================================
--- trunk/freenet/test/freenet/support/BufferTest.java 2009-04-24 04:17:44 UTC
(rev 27279)
+++ trunk/freenet/test/freenet/support/BufferTest.java 2009-04-24 04:28:49 UTC
(rev 27280)
@@ -112,14 +112,6 @@
String longString = buffer.toString();
assertEquals("Buffer {" + buffer.getLength() + "}", longString);
}
-
- public void testShortBufferToString() {
- String shortString = "feep";
- Buffer shortBuffer = new Buffer(shortString.getBytes());
-
- String outString = shortBuffer.toString();
- assertEquals(outString, "{4:102 101 101 112 "); // FIXME: final
brace?
- }
public void testEquals() {
Copied: trunk/freenet/test/freenet/support/ShortBufferTest.java (from rev
27279, trunk/freenet/test/freenet/support/BufferTest.java)
===================================================================
--- trunk/freenet/test/freenet/support/ShortBufferTest.java
(rev 0)
+++ trunk/freenet/test/freenet/support/ShortBufferTest.java 2009-04-24
04:28:49 UTC (rev 27280)
@@ -0,0 +1,163 @@
+/*
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program 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 for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+package freenet.support;
+
+import java.io.ByteArrayInputStream;
+import java.io.DataInputStream;
+import java.io.IOException;
+import java.util.HashMap;
+import java.util.Map;
+
+import junit.framework.TestCase;
+
+/**
+ * Test case for {...@link freenet.support.ShortBuffer} class.
+ *
+ * @author stuart martin <[email protected]>
+ * @author Daniel Cheng <[email protected]>
+ */
+public class ShortBufferTest extends TestCase {
+
+ private static final String DATA_STRING_1 =
"asldkjaskjdsakdhasdhaskjdhaskjhbkasbhdjkasbduiwbxgdoudgboewuydxbybuewyxbuewyuwe"
+
+
"dasdkljasndijwnodhnqweoidhnaouidhbnwoduihwnxodiuhnwuioxdhnwqiouhnxwqoiushdnxwqoiudhxnwqoiudhxni";
+
+ public void testByteArrayShortBuffer() {
+
+ byte[] data = DATA_STRING_1.getBytes();
+
+ ShortBuffer buffer = new ShortBuffer(data);
+
+ assertEquals(data, buffer.getData());
+
+ doTestShortBuffer(data, buffer);
+ }
+
+ public void testByteArrayIndexShortBuffer() {
+
+ // get content
+ byte[] data = DATA_STRING_1.getBytes();
+
+ byte[] dataSub = new byte[5];
+
+ // prepare 'substring'
+ System.arraycopy(data, 4, dataSub, 0, 5);
+
+ ShortBuffer buffer = new ShortBuffer(data, 4, 5);
+
+ assertFalse(dataSub.equals(buffer.getData()));
+
+ doTestShortBuffer(dataSub, buffer);
+ }
+
+
+ public void testDataInputStreamShortBuffer() {
+
+ byte[] data = DATA_STRING_1.getBytes(); // get some content
+
+ byte[] data2 = new byte[data.length + 2]; // make room for 4
byte length indicator
+
+ int length = DATA_STRING_1.getBytes().length;
+
+ // populate length as first 4 bytes
+ data2[0] = (byte)((length & 0xff00) >> 8);
+ data2[1] = (byte)((length & 0xff) );
+
+ System.arraycopy(data, 0, data2, 2, data.length); // populate
rest of content
+
+ DataInputStream dis = new DataInputStream(new
ByteArrayInputStream(data2));
+ ShortBuffer buffer = null;
+
+ try {
+ buffer = new ShortBuffer(dis);
+ } catch (IOException e) {
+ fail("unexpected exception: " + e.getMessage());
+ }
+ // perform rest of test with the *original* array because
ShortBuffer(DataInputStream) chomps first 4 bytes
+ doTestShortBuffer(data, buffer);
+ }
+
+ private void doTestShortBuffer(byte[] data, ShortBuffer buffer) {
+ assertEquals(data.length, buffer.getLength());
+
+ for(int i = 0; i < buffer.getLength(); i++) {
+ assertEquals(data[i], buffer.byteAt(i));
+ }
+
+ try{
+ buffer.byteAt(data.length + 1); // expect exception
+ fail();
+ }
+ catch(ArrayIndexOutOfBoundsException e) {
+ // expect this
+ }
+ }
+
+ public void testShortBufferToString() {
+ String shortString = "feep";
+ ShortBuffer shortShortBuffer = new
ShortBuffer(shortString.getBytes());
+
+ String outString = shortShortBuffer.toString();
+ assertEquals(outString, "{4:102 101 101 112 "); // FIXME: final
brace?
+ }
+
+ public void testEquals() {
+ ShortBuffer b1 = new ShortBuffer("ShortBuffer1".getBytes());
+ ShortBuffer b2 = new ShortBuffer("ShortBuffer2".getBytes());
+ ShortBuffer b3 = new ShortBuffer("ShortBuffer1".getBytes());
+
+ assertFalse(b1.equals(b2));
+ assertTrue(b1.equals(b3));
+ assertFalse(b2.equals(b3));
+ assertTrue(b1.equals(b1));
+ assertTrue(b2.equals(b2));
+ assertTrue(b3.equals(b1));
+ }
+
+ public void testHashcode() {
+
+ ShortBuffer b1 = new ShortBuffer("ShortBuffer1".getBytes());
+ ShortBuffer b2 = new ShortBuffer("ShortBuffer2".getBytes());
+ ShortBuffer b3 = new ShortBuffer("ShortBuffer1".getBytes());
+
+ Map<ShortBuffer, ShortBuffer> hashMap = new
HashMap<ShortBuffer, ShortBuffer>();
+
+ hashMap.put(b1, b1);
+ hashMap.put(b2, b2);
+ hashMap.put(b3, b3); // should clobber b1 due to content
+
+ // see if b3 survived
+ Object o = hashMap.get(b3);
+ assertFalse(o == b1);
+ assertTrue(o == b3);
+
+ // see if b1 survived
+ o = hashMap.get(b1);
+ assertFalse(o == b1);
+ assertTrue(o == b3);
+ }
+
+ public void testCopy() {
+ byte[] oldBuf = DATA_STRING_1.getBytes();
+ ShortBuffer b = new ShortBuffer(oldBuf);
+
+ byte[] newBuf = new byte[b.getLength()];
+ b.copyTo(newBuf, 0);
+
+ for(int i = 0; i < oldBuf.length; i++) {
+ assertEquals(newBuf[i], oldBuf[i]);
+ }
+ }
+}
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