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- /*
- * 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;
- import static org.junit.Assert.assertFalse;
- import static org.junit.Assert.assertTrue;
-
-
- public class CharUtilitiesTestCase {
-
- @Test
- public void testIsBmpCodePoint() {
- for (int i = 0; i < 0x10FFFF; i++) {
- assertEquals(i <= 0xFFFF, CharUtilities.isBmpCodePoint(i));
- }
- }
-
- @Test
- public void testIncrementIfNonBMP() {
- for (int i = 0; i < 0x10FFFF; i++) {
- if (i <= 0xFFFF) {
- assertEquals(0, CharUtilities.incrementIfNonBMP(i));
- } else {
- assertEquals(1, CharUtilities.incrementIfNonBMP(i));
- }
- }
- }
-
- @Test
- public void testIsSurrogatePair() {
- for (char i = 0; i < 0xFFFF; i++) {
- if (i < 0xD800 || i > 0xDFFF) {
- assertFalse(CharUtilities.isSurrogatePair(i));
- } else {
- assertTrue(CharUtilities.isSurrogatePair(i));
- }
- }
- }
-
- @Test
- public void testContainsSurrogatePairAt() {
- String withSurrogatePair = "012\uD83D\uDCA94";
-
- assertTrue(CharUtilities.containsSurrogatePairAt(withSurrogatePair, 3));
- }
-
- @Test(expected = IllegalArgumentException.class)
- public void testContainsSurrogatePairAtWithMalformedUTF8Sequence() {
- String malformedUTF8Sequence = "012\uD83D4";
-
- CharUtilities.containsSurrogatePairAt(malformedUTF8Sequence, 3);
- }
- }
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