/**
* 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.waveprotocol.communication;
import static org.waveprotocol.wave.communication.Codec.decode;
import static org.waveprotocol.wave.communication.Codec.encode;
import junit.framework.TestCase;
import java.util.Random;
/**
* Tests the byte array to/from char array converter.
*/
public final class CodecTest extends TestCase {
private static void assertEquals(byte[] expected, byte[] actual) {
assertEquals(expected.length, actual.length);
for (int i = 0; i < expected.length; i++) {
assertEquals(expected[i], actual[i]);
}
}
public void testExpectedKindOfArray() {
byte[] data = new byte[32];
new Random(23).nextBytes(data);
assertEquals(data, decode(encode(data)));
}
public void testEmptyArray() {
byte[] data = {};
assertEquals(data, decode(encode(data)));
}
public void testArrayWithZeroesNegativesAndExtremals() {
byte[] data = {0, 0, 1, -1, Byte.MIN_VALUE, Byte.MAX_VALUE, 0};
assertEquals(data, decode(encode(data)));
}
public void testDecodeOfBadStringFails() {
try {
decode("Not hex");
fail();
} catch (IllegalArgumentException expected) {
}
}
}