/* * Copyright (c) 1998, 2016, Oracle and/or its affiliates. All rights reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA * or visit www.oracle.com if you need additional information or have any * questions. */ /* @test * @bug 4139771 * @summary test all aspects of AttributedString class */ import java.text.Annotation; import java.text.AttributedCharacterIterator; import java.text.AttributedCharacterIterator.Attribute; import java.text.AttributedString; import java.text.CharacterIterator; import java.util.HashSet; import java.util.Iterator; import java.util.Locale; import java.util.Map; import java.util.Map.Entry; import java.util.Set; public class AttributedStringTest { private static final String text = "Hello, world!"; private static final Annotation hi = new Annotation("hi"); private static final int[] array5_13 = {5, 13}; private static final int[] array3_9_13 = {3, 9, 13}; private static final int[] array5_9_13 = {5, 9, 13}; private static final int[] array3_5_9_13 = {3, 5, 9, 13}; private static final Attribute[] arrayLanguage = {Attribute.LANGUAGE}; private static final Attribute[] arrayLanguageReading = {Attribute.LANGUAGE, Attribute.READING}; private static final Set setLanguageReading = new HashSet(); static { setLanguageReading.add(Attribute.LANGUAGE); setLanguageReading.add(Attribute.READING); } public static final void main(String argv[]) throws Exception { AttributedString string; AttributedCharacterIterator iterator; // create a string with text, but no attributes string = new AttributedString(text); iterator = string.getIterator(); // make sure the text is there and attributes aren't checkIteratorText(iterator, text); if (!iterator.getAllAttributeKeys().isEmpty()) { throwException(iterator, "iterator provides attributes where none are defined"); } // add an attribute to a subrange string.addAttribute(Attribute.LANGUAGE, Locale.ENGLISH, 3, 9); iterator = string.getIterator(); // make sure the attribute is defined, and it's on the correct subrange checkIteratorAttributeKeys(iterator, arrayLanguage); checkIteratorSubranges(iterator, array3_9_13); checkIteratorAttribute(iterator, 0, Attribute.LANGUAGE, null); checkIteratorAttribute(iterator, 3, Attribute.LANGUAGE, Locale.ENGLISH); checkIteratorAttribute(iterator, 9, Attribute.LANGUAGE, null); // add an attribute to a subrange string.addAttribute(Attribute.READING, hi, 0, 5); iterator = string.getIterator(); // make sure the attribute is defined, and it's on the correct subrange checkIteratorAttributeKeys(iterator, arrayLanguageReading); checkIteratorSubranges(iterator, array3_5_9_13); checkIteratorAttribute(iterator, 0, Attribute.READING, hi); checkIteratorAttribute(iterator, 3, Attribute.READING, hi); checkIteratorAttribute(iterator, 5, Attribute.READING, null); checkIteratorAttribute(iterator, 9, Attribute.READING, null); // make sure the first attribute wasn't adversely affected // in particular, we shouldn't see separate subranges (3,5) and (5,9). checkIteratorSubranges(iterator, Attribute.LANGUAGE, array3_9_13); checkIteratorAttribute(iterator, 0, Attribute.LANGUAGE, null); checkIteratorAttribute(iterator, 3, Attribute.LANGUAGE, Locale.ENGLISH); checkIteratorAttribute(iterator, 5, Attribute.LANGUAGE, Locale.ENGLISH); checkIteratorAttribute(iterator, 9, Attribute.LANGUAGE, null); // for the entire set of attributes, we expect four subranges checkIteratorSubranges(iterator, setLanguageReading, array3_5_9_13); // redefine the language attribute so that both language and reading are continuous from 0 to 5 string.addAttribute(Attribute.LANGUAGE, Locale.US, 0, 5); iterator = string.getIterator(); // make sure attributes got changed and merged correctly checkIteratorAttributeKeys(iterator, arrayLanguageReading); checkIteratorSubranges(iterator, array3_5_9_13); checkIteratorSubranges(iterator, Attribute.LANGUAGE, array5_9_13); checkIteratorSubranges(iterator, Attribute.READING, array5_13); checkIteratorSubranges(iterator, setLanguageReading, array5_9_13); checkIteratorAttribute(iterator, 0, Attribute.LANGUAGE, Locale.US); checkIteratorAttribute(iterator, 3, Attribute.LANGUAGE, Locale.US); checkIteratorAttribute(iterator, 5, Attribute.LANGUAGE, Locale.ENGLISH); checkIteratorAttribute(iterator, 9, Attribute.LANGUAGE, null); // make sure an annotation is only returned if its range is contained in the iterator's range iterator = string.getIterator(null, 3, 5); checkIteratorAttribute(iterator, 3, Attribute.READING, null); checkIteratorAttribute(iterator, 5, Attribute.READING, null); iterator = string.getIterator(null, 0, 4); checkIteratorAttribute(iterator, 0, Attribute.READING, null); checkIteratorAttribute(iterator, 3, Attribute.READING, null); iterator = string.getIterator(null, 0, 5); checkIteratorAttribute(iterator, 0, Attribute.READING, hi); checkIteratorAttribute(iterator, 4, Attribute.READING, hi); checkIteratorAttribute(iterator, 5, Attribute.READING, null); } private static final void checkIteratorText(AttributedCharacterIterator iterator, String expectedText) throws Exception { if (iterator.getEndIndex() - iterator.getBeginIndex() != expectedText.length()) { throwException(iterator, "text length doesn't match between original text and iterator"); } char c = iterator.first(); for (int i = 0; i < expectedText.length(); i++) { if (c != expectedText.charAt(i)) { throwException(iterator, "text content doesn't match between original text and iterator"); } c = iterator.next(); } if (c != CharacterIterator.DONE) { throwException(iterator, "iterator text doesn't end with DONE"); } } private static final void checkIteratorAttributeKeys(AttributedCharacterIterator iterator, Attribute[] expectedKeys) throws Exception { Set iteratorKeys = iterator.getAllAttributeKeys(); if (iteratorKeys.size() != expectedKeys.length) { throwException(iterator, "number of keys returned by iterator doesn't match expectation"); } for (int i = 0; i < expectedKeys.length; i++) { if (!iteratorKeys.contains(expectedKeys[i])) { throwException(iterator, "expected key wasn't found in iterator's key set"); } } } private static final void checkIteratorSubranges(AttributedCharacterIterator iterator, int[] expectedLimits) throws Exception { int previous = 0; char c = iterator.first(); for (int i = 0; i < expectedLimits.length; i++) { if (iterator.getRunStart() != previous || iterator.getRunLimit() != expectedLimits[i]) { throwException(iterator, "run boundaries are not as expected: " + iterator.getRunStart() + ", " + iterator.getRunLimit()); } previous = expectedLimits[i]; c = iterator.setIndex(previous); } if (c != CharacterIterator.DONE) { throwException(iterator, "iterator's run sequence doesn't end with DONE"); } } private static final void checkIteratorSubranges(AttributedCharacterIterator iterator, Attribute key, int[] expectedLimits) throws Exception { int previous = 0; char c = iterator.first(); for (int i = 0; i < expectedLimits.length; i++) { if (iterator.getRunStart(key) != previous || iterator.getRunLimit(key) != expectedLimits[i]) { throwException(iterator, "run boundaries are not as expected: " + iterator.getRunStart(key) + ", " + iterator.getRunLimit(key) + " for key " + key); } previous = expectedLimits[i]; c = iterator.setIndex(previous); } if (c != CharacterIterator.DONE) { throwException(iterator, "iterator's run sequence doesn't end with DONE"); } } private static final void checkIteratorSubranges(AttributedCharacterIterator iterator, Set keys, int[] expectedLimits) throws Exception { int previous = 0; char c = iterator.first(); for (int i = 0; i < expectedLimits.length; i++) { if (iterator.getRunStart(keys) != previous || iterator.getRunLimit(keys) != expectedLimits[i]) { throwException(iterator, "run boundaries are not as expected: " + iterator.getRunStart(keys) + ", " + iterator.getRunLimit(keys) + " for keys " + keys); } previous = expectedLimits[i]; c = iterator.setIndex(previous); } if (c != CharacterIterator.DONE) { throwException(iterator, "iterator's run sequence doesn't end with DONE"); } } private static final void checkIteratorAttribute(AttributedCharacterIterator iterator, int index, Attribute key, Object expectedValue) throws Exception { iterator.setIndex(index); Object value = iterator.getAttribute(key); if (!((expectedValue == null && value == null) || (expectedValue != null && expectedValue.equals(value)))) { throwException(iterator, "iterator returns wrong attribute value - " + value + " instead of " + expectedValue); } value = iterator.getAttributes().get(key); if (!((expectedValue == null && value == null) || (expectedValue != null && expectedValue.equals(value)))) { throwException(iterator, "iterator's map returns wrong attribute value - " + value + " instead of " + expectedValue); } } private static final void throwException(AttributedCharacterIterator iterator, String details) throws Exception { dumpIterator(iterator); throw new Exception(details); } private static final void dumpIterator(AttributedCharacterIterator iterator) { Set attributeKeys = iterator.getAllAttributeKeys(); System.out.print("All attributes: "); Iterator keyIterator = attributeKeys.iterator(); while (keyIterator.hasNext()) { Attribute key = (Attribute) keyIterator.next(); System.out.print(key); } for(char c = iterator.first(); c != CharacterIterator.DONE; c = iterator.next()) { if (iterator.getIndex() == iterator.getBeginIndex() || iterator.getIndex() == iterator.getRunStart()) { System.out.println(); Map attributes = iterator.getAttributes(); Set entries = attributes.entrySet(); Iterator attributeIterator = entries.iterator(); while (attributeIterator.hasNext()) { Map.Entry entry = (Map.Entry) attributeIterator.next(); System.out.print("<" + entry.getKey() + ": " + entry.getValue() + ">"); } } System.out.print(" "); System.out.print(c); } System.out.println(); System.out.println("done"); System.out.println(); } }