/**
* Copyright 2011 Google Inc.
*
* Licensed 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) {
}
}
}