test/jdk/java/text/AttributedString/AttributedStringTest.java - platform/libcore - Git at Google

 /*
  * 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();
     }

 }
	/*
	* 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();
	}

	}