/*
* 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 libcore.io;
import java.util.Arrays;
import junit.framework.TestCase;
public final class Base64Test extends TestCase {
public void testDecodeEmpty() throws Exception {
assertEquals("[]", Arrays.toString(Base64.decode(new byte[0])));
}
public void testEncode() throws Exception {
assertEncoded("");
assertEncoded("Eg==", 0x12);
assertEncoded("EjQ=", 0x12, 0x34 );
assertEncoded("EjRW", 0x12, 0x34, 0x56);
assertEncoded("EjRWeA==", 0x12, 0x34, 0x56, 0x78);
assertEncoded("EjRWeJo=", 0x12, 0x34, 0x56, 0x78, 0x9A);
assertEncoded("EjRWeJq8", 0x12, 0x34, 0x56, 0x78, 0x9a, 0xbc);
}
public void testEncodeDoesNotWrap() {
int[] data = new int[61];
Arrays.fill(data, 0xff);
String expected = "///////////////////////////////////////////////////////////////////////"
+ "//////////w=="; // 84 chars
assertEncoded(expected, data);
}
public void assertEncoded(String expected , int... data) {
byte[] dataBytes = new byte[data.length];
for (int i = 0; i < data.length; i++) {
dataBytes[i] = (byte) data[i];
}
assertEquals(expected, Base64.encode(dataBytes));
}
}