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/**
* Copyright (c) 2008, SnakeYAML
*
* 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 biz.source_code.base64Coder;
import java.io.UnsupportedEncodingException;
import java.nio.charset.StandardCharsets;
import junit.framework.TestCase;
import org.yaml.snakeyaml.external.biz.base64Coder.Base64Coder;
public class Base64CoderTest extends TestCase {
public void testDecode() throws UnsupportedEncodingException {
check("Aladdin:open sesame", "QWxhZGRpbjpvcGVuIHNlc2FtZQ==");
check("a", "YQ==");
check("aa", "YWE=");
check("a=", "YT0=");
check("", "");
}
public void testFailure1() throws UnsupportedEncodingException {
try {
Base64Coder.decode("YQ=".toCharArray());
fail();
} catch (Exception e) {
assertEquals("Length of Base64 encoded input string is not a multiple of 4.", e.getMessage());
}
}
public void testFailure2() throws UnsupportedEncodingException {
checkInvalid("\tWE=");
checkInvalid("Y\tE=");
checkInvalid("YW\t=");
checkInvalid("YWE\t");
//
checkInvalid("©WE=");
checkInvalid("Y©E=");
checkInvalid("YW©=");
checkInvalid("YWE©");
}
private void checkInvalid(String encoded) {
try {
Base64Coder.decode(encoded.toCharArray());
fail("Illegal chanracter.");
} catch (Exception e) {
assertEquals("Illegal character in Base64 encoded data.", e.getMessage());
}
}
private void check(String text, String encoded) throws UnsupportedEncodingException {
char[] s1 = Base64Coder.encode(text.getBytes(StandardCharsets.UTF_8));
String t1 = new String(s1);
assertEquals(encoded, t1);
byte[] s2 = Base64Coder.decode(encoded.toCharArray());
String t2 = new String(s2, StandardCharsets.UTF_8);
assertEquals(text, t2);
}
}
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