/* * Copyright (c) 1997, 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 * @library /java/text/testlib * @summary test for Character Iterator */ /* * * * (C) Copyright Taligent, Inc. 1996, 1997 - All Rights Reserved * (C) Copyright IBM Corp. 1996 - 1998 - All Rights Reserved * * Portions copyright (c) 2007 Sun Microsystems, Inc. * All Rights Reserved. * * The original version of this source code and documentation * is copyrighted and owned by Taligent, Inc., a wholly-owned * subsidiary of IBM. These materials are provided under terms * of a License Agreement between Taligent and Sun. This technology * is protected by multiple US and International patents. * * This notice and attribution to Taligent may not be removed. * Taligent is a registered trademark of Taligent, Inc. * * Permission to use, copy, modify, and distribute this software * and its documentation for NON-COMMERCIAL purposes and without * fee is hereby granted provided that this copyright notice * appears in all copies. Please refer to the file "copyright.html" * for further important copyright and licensing information. * * SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF * THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED * TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A * PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR * ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR * DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. * */ import java.text.*; public class CharacterIteratorTest extends IntlTest { public static void main(String[] args) throws Exception { new CharacterIteratorTest().run(args); } public CharacterIteratorTest() { } public void TestConstructionAndEquality() { String testText = "Now is the time for all good men to come to the aid of their country."; String testText2 = "Don't bother using this string."; CharacterIterator test1 = new StringCharacterIterator(testText); CharacterIterator test2 = new StringCharacterIterator(testText, 5); CharacterIterator test3 = new StringCharacterIterator(testText, 2, 20, 5); CharacterIterator test4 = new StringCharacterIterator(testText2); CharacterIterator test5 = (CharacterIterator)test1.clone(); if (test1.equals(test2) || test1.equals(test3) || test1.equals(test4)) errln("Construation or equals() failed: Two unequal iterators tested equal"); if (!test1.equals(test5)) errln("clone() or equals() failed: Two clones tested unequal"); if (test1.hashCode() == test2.hashCode() || test1.hashCode() == test3.hashCode() || test1.hashCode() == test4.hashCode()) errln("hash() failed: different objects have same hash code"); if (test1.hashCode() != test5.hashCode()) errln("hash() failed: identical objects have different hash codes"); test1.setIndex(5); if (!test1.equals(test2) || test1.equals(test5)) errln("setIndex() failed"); } public void TestIteration() { String text = "Now is the time for all good men to come to the aid of their country."; CharacterIterator iter = new StringCharacterIterator(text, 5); if (iter.current() != text.charAt(5)) errln("Iterator didn't start out in the right place."); char c = iter.first(); int i = 0; if (iter.getBeginIndex() != 0 || iter.getEndIndex() != text.length()) errln("getBeginIndex() or getEndIndex() failed"); logln("Testing forward iteration..."); do { if (c == CharacterIterator.DONE && i != text.length()) errln("Iterator reached end prematurely"); else if (c != text.charAt(i)) errln("Character mismatch at position " + i + ", iterator has " + c + ", string has " + text.charAt(c)); if (iter.current() != c) errln("current() isn't working right"); if (iter.getIndex() != i) errln("getIndex() isn't working right"); if (c != CharacterIterator.DONE) { c = iter.next(); i++; } } while (c != CharacterIterator.DONE); c = iter.last(); i = text.length() - 1; logln("Testing backward iteration..."); do { if (c == CharacterIterator.DONE && i >= 0) errln("Iterator reached end prematurely"); else if (c != text.charAt(i)) errln("Character mismatch at position " + i + ", iterator has " + c + ", string has " + text.charAt(c)); if (iter.current() != c) errln("current() isn't working right"); if (iter.getIndex() != i) errln("getIndex() isn't working right"); if (c != CharacterIterator.DONE) { c = iter.previous(); i--; } } while (c != CharacterIterator.DONE); iter = new StringCharacterIterator(text, 5, 15, 10); if (iter.getBeginIndex() != 5 || iter.getEndIndex() != 15) errln("creation of a restricted-range iterator failed"); if (iter.getIndex() != 10 || iter.current() != text.charAt(10)) errln("starting the iterator in the middle didn't work"); c = iter.first(); i = 5; logln("Testing forward iteration over a range..."); do { if (c == CharacterIterator.DONE && i != 15) errln("Iterator reached end prematurely"); else if (c != text.charAt(i)) errln("Character mismatch at position " + i + ", iterator has " + c + ", string has " + text.charAt(c)); if (iter.current() != c) errln("current() isn't working right"); if (iter.getIndex() != i) errln("getIndex() isn't working right"); if (c != CharacterIterator.DONE) { c = iter.next(); i++; } } while (c != CharacterIterator.DONE); c = iter.last(); i = 14; logln("Testing backward iteration over a range..."); do { if (c == CharacterIterator.DONE && i >= 5) errln("Iterator reached end prematurely"); else if (c != text.charAt(i)) errln("Character mismatch at position " + i + ", iterator has " + c + ", string has " + text.charAt(c)); if (iter.current() != c) errln("current() isn't working right"); if (iter.getIndex() != i) errln("getIndex() isn't working right"); if (c != CharacterIterator.DONE) { c = iter.previous(); i--; } } while (c != CharacterIterator.DONE); } /** * @bug 4082050 4078261 4078255 */ public void TestPathologicalCases() { String text = "This is only a test."; /* This test is commented out until API-change approval for bug #4082050 goes through. // test for bug #4082050 (don't get an error if begin == end, even though all // operations on the iterator will cause exceptions) // [I actually fixed this so that you CAN create an iterator with begin == end, // but all operations on it return DONE.] CharacterIterator iter = new StringCharacterIterator(text, 5, 5, 5); if (iter.first() != CharacterIterator.DONE || iter.next() != CharacterIterator.DONE || iter.last() != CharacterIterator.DONE || iter.previous() != CharacterIterator.DONE || iter.current() != CharacterIterator.DONE || iter.getIndex() != 5) errln("Got something other than DONE when performing operations on an empty StringCharacterIterator"); */ CharacterIterator iter = null; // if we try to construct a StringCharacterIterator with an endIndex that's off // the end of the String under iterator, we're supposed to get an // IllegalArgumentException boolean gotException = false; try { iter = new StringCharacterIterator(text, 5, 100, 5); } catch (IllegalArgumentException e) { gotException = true; } if (!gotException) errln("StringCharacterIterator didn't throw an exception when given an invalid substring range."); // test for bug #4078255 (getting wrong value from next() when we're at the end // of the string) iter = new StringCharacterIterator(text); int expectedIndex = iter.getEndIndex(); int actualIndex; iter.last(); actualIndex = iter.getIndex(); if (actualIndex != expectedIndex - 1) errln("last() failed: expected " + (expectedIndex - 1) + ", got " + actualIndex); iter.next(); actualIndex = iter.getIndex(); if (actualIndex != expectedIndex) errln("next() after last() failed: expected " + expectedIndex + ", got " + actualIndex); iter.next(); actualIndex = iter.getIndex(); if (actualIndex != expectedIndex) errln("second next() after last() failed: expected " + expectedIndex + ", got " + actualIndex); } /* * @bug 4123771 4051073 * #4123771 is actually a duplicate of bug #4051073, which was fixed some time ago, but * no one ever added a regression test for it. */ public void TestBug4123771() { String text = "Some string for testing"; StringCharacterIterator iter = new StringCharacterIterator(text); int index = iter.getEndIndex(); try { char c = iter.setIndex(index); } catch (Exception e) { System.out.println("method setIndex(int position) throws unexpected exception " + e); System.out.println(" position: " + index); System.out.println(" getEndIndex(): " + iter.getEndIndex()); System.out.println(" text.length(): " + text.length()); errln(""); // re-throw the exception through our test framework } } }