1234567891011121314151617181920212223242526272829303132333435363738394041424344454647484950515253545556575859606162636465666768697071727374 |
- /*
- * 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.
- */
-
- /* $Id$ */
-
- package org.apache.fop.util;
-
- import org.junit.Test;
-
- import static org.junit.Assert.assertEquals;
-
- /**
- * Test case for the conversion of characters into hex-encoded strings.
- */
- public class HexEncoderTestCase {
-
- /**
- * Tests that characters are properly encoded into hex strings.
- */
- @Test
- public void testEncodeChar() {
- char[] digits = new char[] {'0', '0', '0', '0'};
- for (int c = 0; c <= 0xFFFF; c++) {
- assertEquals(new String(digits), HexEncoder.encode((char) c));
- increment(digits);
- }
- }
-
-
- /**
- * Tests that codepoints are properly encoded into hex strings.
- */
- @Test
- public void testEncodeCodepoints() {
- char[] digits = new char[] {'0', '1', '0', '0', '0', '0'};
- for (int c = 0x10000; c <= 0x1FFFF; c++) {
- assertEquals(new String(digits), HexEncoder.encode(c));
- increment(digits);
- }
- }
-
- private static void increment(char[] digits) {
- int d = digits.length;
- do {
- d--;
- digits[d] = successor(digits[d]);
- } while (digits[d] == '0' && d > 0);
- }
-
- private static char successor(char d) {
- if (d == '9') {
- return 'A';
- } else if (d == 'F') {
- return '0';
- } else {
- return (char) (d + 1);
- }
- }
-
- }
|