PR: Bugzilla Bug 31161
	  	URLCodec.decode() corrupts characters > 127 in unencoded strings
Obtained from: Bugzilla Bug 31161
Submitted by:	Oleg Kalnichevski
Reviewed by:	Gary Gregory


git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/codec/trunk@130422 13f79535-47bb-0310-9956-ffa450edef68

Author: garydgregory

src/test/org/apache/commons/codec/net/URLCodecTest.java

@@ -16,6 +16,8 @@
 
 package org.apache.commons.codec.net;
 
+import java.io.UnsupportedEncodingException;
+
 import junit.framework.TestCase;
 
 import org.apache.commons.codec.DecoderException;
@@ -143,6 +145,18 @@ public void testDecodeInvalid() throws Exception {
         this.validateState(urlCodec);
     }
 
+    public void testDecodeInvalidContent() throws UnsupportedEncodingException, DecoderException {
+        String ch_msg = constructString(SWISS_GERMAN_STUFF_UNICODE); 
+        URLCodec urlCodec = new URLCodec();
+        byte[] input = ch_msg.getBytes("ISO-8859-1");
+        byte[] output = urlCodec.decode(input);
+        assertEquals(input.length, output.length);
+        for (int i = 0; i < input.length; i++) {
+            assertEquals(input[i], output[i]);
+        }
+        this.validateState(urlCodec);
+    }
+
     public void testEncodeNull() throws Exception {
         URLCodec urlCodec = new URLCodec();
         byte[] plain = null;