svn commit: r760738 - /commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/archivers/tar/TarUtilsTest.java

[se...@apache.org]

Author: sebb
Date: Tue Mar 31 23:49:45 2009
New Revision: 760738

URL: http://svn.apache.org/viewvc?rev=760738&view=rev
Log:
Some test cases for TarUtils

Added:
    commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/archivers/tar/TarUtilsTest.java   (with props)

Added: commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/archivers/tar/TarUtilsTest.java
URL: http://svn.apache.org/viewvc/commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/archivers/tar/TarUtilsTest.java?rev=760738&view=auto
==============================================================================
--- commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/archivers/tar/TarUtilsTest.java (added)
+++ commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/archivers/tar/TarUtilsTest.java Tue Mar 31 23:49:45 2009
@@ -0,0 +1,99 @@
+/*
+ * 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.commons.compress.archivers.tar;
+
+import junit.framework.TestCase;
+
+public class TarUtilsTest extends TestCase {
+
+    
+    public void testName(){
+        byte [] buff = new byte[20];
+        StringBuffer sb1 = new StringBuffer("abcdefghijklmnopqrstuvwxyz");
+        int off = TarUtils.getNameBytes(sb1, buff, 1, buff.length-1);
+        assertEquals(off, 20);
+        StringBuffer sb2 = TarUtils.parseName(buff, 1, 10);
+        assertEquals(sb2.toString(),sb1.substring(0,10));
+        sb2 = TarUtils.parseName(buff, 1, 19);
+        assertEquals(sb2.toString(),sb1.substring(0,19));
+        buff = new byte[30];
+        off = TarUtils.getNameBytes(sb1, buff, 1, buff.length-1);
+        assertEquals(off, 30);
+        sb2 = TarUtils.parseName(buff, 1, buff.length-1);
+        assertEquals(sb1.toString(), sb2.toString());
+    }
+    
+    private void fillBuff(byte []buffer, String input){
+        for(int i=0; i<buffer.length;i++){
+            buffer[i]=0;
+        }
+        System.arraycopy(input.getBytes(),0,buffer,0,Math.min(buffer.length,input.length()));        
+    }
+
+    public void testParseOctal(){
+        byte [] buffer = new byte[20];
+        fillBuff(buffer,"777777777777 ");
+        long value; 
+        value = TarUtils.parseOctal(buffer,0, 11);
+        assertEquals(077777777777L, value);
+        value = TarUtils.parseOctal(buffer,0, 12);
+        assertEquals(0777777777777L, value);
+        buffer[11]=' ';
+        value = TarUtils.parseOctal(buffer,0, 11);
+        assertEquals(077777777777L, value);
+        buffer[11]=0;
+        value = TarUtils.parseOctal(buffer,0, 11);
+        assertEquals(077777777777L, value);
+        fillBuff(buffer, "abcdef"); // Invalid input
+        value = TarUtils.parseOctal(buffer,0, 11);
+//        assertEquals(0, value); // Or perhaps an Exception?
+    }
+    
+    private void checkRoundTripOctal(final long value) {
+        byte [] buffer = new byte[12];
+        long parseValue;
+        TarUtils.getLongOctalBytes(value, buffer, 0, buffer.length);
+        parseValue = TarUtils.parseOctal(buffer,0, buffer.length);
+        assertEquals(value,parseValue);
+    }
+    
+    public void testRoundTripOctal() {
+        checkRoundTripOctal(0);
+        checkRoundTripOctal(1);
+//        checkRoundTripOctal(-1); // TODO What should this do?
+        checkRoundTripOctal(077777777777L);
+//        checkRoundTripOctal(0100000000000L); // TODO What should this do?
+    }
+    
+    // Check correct trailing bytes are generated
+    public void testTrailers() {
+        byte [] buffer = new byte[12];
+        TarUtils.getLongOctalBytes(123, buffer, 0, buffer.length);
+        assertEquals(' ', buffer[buffer.length-1]);
+        assertEquals('3', buffer[buffer.length-2]); // end of number
+        TarUtils.getOctalBytes(123, buffer, 0, buffer.length);
+        assertEquals(0  , buffer[buffer.length-1]);
+        assertEquals(' ', buffer[buffer.length-2]);
+        assertEquals('3', buffer[buffer.length-3]); // end of number
+        TarUtils.getCheckSumOctalBytes(123, buffer, 0, buffer.length);
+        assertEquals(' ', buffer[buffer.length-1]);
+        assertEquals(0  , buffer[buffer.length-2]);
+        assertEquals('3', buffer[buffer.length-3]); // end of number
+    }
+}

Propchange: commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/archivers/tar/TarUtilsTest.java
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Propchange: commons/proper/compress/trunk/src/test/java/org/apache/commons/compress/archivers/tar/TarUtilsTest.java
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