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286 lines
11 KiB
286 lines
11 KiB
/* |
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* Copyright (c) 1997, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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* @test |
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* @library /java/text/testlib |
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* @summary test for Character Iterator |
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*/ |
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/* |
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* |
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* |
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* (C) Copyright Taligent, Inc. 1996, 1997 - All Rights Reserved |
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* (C) Copyright IBM Corp. 1996 - 1998 - All Rights Reserved |
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* |
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* Portions copyright (c) 2007 Sun Microsystems, Inc. |
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* All Rights Reserved. |
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* |
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* The original version of this source code and documentation |
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* is copyrighted and owned by Taligent, Inc., a wholly-owned |
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* subsidiary of IBM. These materials are provided under terms |
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* of a License Agreement between Taligent and Sun. This technology |
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* is protected by multiple US and International patents. |
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* |
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* This notice and attribution to Taligent may not be removed. |
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* Taligent is a registered trademark of Taligent, Inc. |
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* |
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* Permission to use, copy, modify, and distribute this software |
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* and its documentation for NON-COMMERCIAL purposes and without |
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* fee is hereby granted provided that this copyright notice |
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* appears in all copies. Please refer to the file "copyright.html" |
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* for further important copyright and licensing information. |
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* |
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* SUN MAKES NO REPRESENTATIONS OR WARRANTIES ABOUT THE SUITABILITY OF |
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* THE SOFTWARE, EITHER EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED |
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* TO THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A |
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* PARTICULAR PURPOSE, OR NON-INFRINGEMENT. SUN SHALL NOT BE LIABLE FOR |
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* ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF USING, MODIFYING OR |
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* DISTRIBUTING THIS SOFTWARE OR ITS DERIVATIVES. |
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* |
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*/ |
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import java.text.*; |
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public class CharacterIteratorTest extends IntlTest { |
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public static void main(String[] args) throws Exception { |
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new CharacterIteratorTest().run(args); |
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} |
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public CharacterIteratorTest() { |
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} |
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public void TestConstructionAndEquality() { |
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String testText = "Now is the time for all good men to come to the aid of their country."; |
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String testText2 = "Don't bother using this string."; |
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CharacterIterator test1 = new StringCharacterIterator(testText); |
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CharacterIterator test2 = new StringCharacterIterator(testText, 5); |
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CharacterIterator test3 = new StringCharacterIterator(testText, 2, 20, 5); |
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CharacterIterator test4 = new StringCharacterIterator(testText2); |
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CharacterIterator test5 = (CharacterIterator)test1.clone(); |
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if (test1.equals(test2) || test1.equals(test3) || test1.equals(test4)) |
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errln("Construation or equals() failed: Two unequal iterators tested equal"); |
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if (!test1.equals(test5)) |
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errln("clone() or equals() failed: Two clones tested unequal"); |
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if (test1.hashCode() == test2.hashCode() || test1.hashCode() == test3.hashCode() |
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|| test1.hashCode() == test4.hashCode()) |
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errln("hash() failed: different objects have same hash code"); |
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if (test1.hashCode() != test5.hashCode()) |
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errln("hash() failed: identical objects have different hash codes"); |
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test1.setIndex(5); |
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if (!test1.equals(test2) || test1.equals(test5)) |
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errln("setIndex() failed"); |
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} |
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public void TestIteration() { |
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String text = "Now is the time for all good men to come to the aid of their country."; |
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CharacterIterator iter = new StringCharacterIterator(text, 5); |
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if (iter.current() != text.charAt(5)) |
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errln("Iterator didn't start out in the right place."); |
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char c = iter.first(); |
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int i = 0; |
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if (iter.getBeginIndex() != 0 || iter.getEndIndex() != text.length()) |
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errln("getBeginIndex() or getEndIndex() failed"); |
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logln("Testing forward iteration..."); |
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do { |
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if (c == CharacterIterator.DONE && i != text.length()) |
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errln("Iterator reached end prematurely"); |
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else if (c != text.charAt(i)) |
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errln("Character mismatch at position " + i + ", iterator has " + c + |
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", string has " + text.charAt(c)); |
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if (iter.current() != c) |
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errln("current() isn't working right"); |
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if (iter.getIndex() != i) |
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errln("getIndex() isn't working right"); |
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if (c != CharacterIterator.DONE) { |
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c = iter.next(); |
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i++; |
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} |
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} while (c != CharacterIterator.DONE); |
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c = iter.last(); |
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i = text.length() - 1; |
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logln("Testing backward iteration..."); |
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do { |
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if (c == CharacterIterator.DONE && i >= 0) |
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errln("Iterator reached end prematurely"); |
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else if (c != text.charAt(i)) |
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errln("Character mismatch at position " + i + ", iterator has " + c + |
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", string has " + text.charAt(c)); |
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if (iter.current() != c) |
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errln("current() isn't working right"); |
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if (iter.getIndex() != i) |
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errln("getIndex() isn't working right"); |
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if (c != CharacterIterator.DONE) { |
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c = iter.previous(); |
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i--; |
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} |
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} while (c != CharacterIterator.DONE); |
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iter = new StringCharacterIterator(text, 5, 15, 10); |
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if (iter.getBeginIndex() != 5 || iter.getEndIndex() != 15) |
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errln("creation of a restricted-range iterator failed"); |
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if (iter.getIndex() != 10 || iter.current() != text.charAt(10)) |
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errln("starting the iterator in the middle didn't work"); |
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c = iter.first(); |
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i = 5; |
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logln("Testing forward iteration over a range..."); |
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do { |
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if (c == CharacterIterator.DONE && i != 15) |
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errln("Iterator reached end prematurely"); |
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else if (c != text.charAt(i)) |
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errln("Character mismatch at position " + i + ", iterator has " + c + |
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", string has " + text.charAt(c)); |
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if (iter.current() != c) |
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errln("current() isn't working right"); |
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if (iter.getIndex() != i) |
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errln("getIndex() isn't working right"); |
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if (c != CharacterIterator.DONE) { |
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c = iter.next(); |
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i++; |
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} |
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} while (c != CharacterIterator.DONE); |
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c = iter.last(); |
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i = 14; |
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logln("Testing backward iteration over a range..."); |
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do { |
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if (c == CharacterIterator.DONE && i >= 5) |
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errln("Iterator reached end prematurely"); |
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else if (c != text.charAt(i)) |
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errln("Character mismatch at position " + i + ", iterator has " + c + |
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", string has " + text.charAt(c)); |
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if (iter.current() != c) |
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errln("current() isn't working right"); |
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if (iter.getIndex() != i) |
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errln("getIndex() isn't working right"); |
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if (c != CharacterIterator.DONE) { |
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c = iter.previous(); |
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i--; |
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} |
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} while (c != CharacterIterator.DONE); |
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} |
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/** |
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* @bug 4082050 4078261 4078255 |
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*/ |
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public void TestPathologicalCases() { |
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String text = "This is only a test."; |
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/* |
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This test is commented out until API-change approval for bug #4082050 goes through. |
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// test for bug #4082050 (don't get an error if begin == end, even though all |
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// operations on the iterator will cause exceptions) |
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// [I actually fixed this so that you CAN create an iterator with begin == end, |
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// but all operations on it return DONE.] |
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CharacterIterator iter = new StringCharacterIterator(text, 5, 5, 5); |
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if (iter.first() != CharacterIterator.DONE |
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|| iter.next() != CharacterIterator.DONE |
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|| iter.last() != CharacterIterator.DONE |
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|| iter.previous() != CharacterIterator.DONE |
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|| iter.current() != CharacterIterator.DONE |
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|| iter.getIndex() != 5) |
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errln("Got something other than DONE when performing operations on an empty StringCharacterIterator"); |
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*/ |
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CharacterIterator iter = null; |
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// if we try to construct a StringCharacterIterator with an endIndex that's off |
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// the end of the String under iterator, we're supposed to get an |
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// IllegalArgumentException |
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boolean gotException = false; |
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try { |
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iter = new StringCharacterIterator(text, 5, 100, 5); |
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} |
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catch (IllegalArgumentException e) { |
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gotException = true; |
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} |
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if (!gotException) |
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errln("StringCharacterIterator didn't throw an exception when given an invalid substring range."); |
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// test for bug #4078255 (getting wrong value from next() when we're at the end |
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// of the string) |
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iter = new StringCharacterIterator(text); |
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int expectedIndex = iter.getEndIndex(); |
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int actualIndex; |
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iter.last(); |
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actualIndex = iter.getIndex(); |
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if (actualIndex != expectedIndex - 1) |
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errln("last() failed: expected " + (expectedIndex - 1) + ", got " + actualIndex); |
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iter.next(); |
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actualIndex = iter.getIndex(); |
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if (actualIndex != expectedIndex) |
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errln("next() after last() failed: expected " + expectedIndex + ", got " + actualIndex); |
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iter.next(); |
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actualIndex = iter.getIndex(); |
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if (actualIndex != expectedIndex) |
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errln("second next() after last() failed: expected " + expectedIndex + ", got " + actualIndex); |
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} |
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/* |
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* @bug 4123771 4051073 |
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* #4123771 is actually a duplicate of bug #4051073, which was fixed some time ago, but |
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* no one ever added a regression test for it. |
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*/ |
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public void TestBug4123771() { |
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String text = "Some string for testing"; |
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StringCharacterIterator iter = new StringCharacterIterator(text); |
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int index = iter.getEndIndex(); |
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try { |
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char c = iter.setIndex(index); |
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} |
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catch (Exception e) { |
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System.out.println("method setIndex(int position) throws unexpected exception " + e); |
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System.out.println(" position: " + index); |
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System.out.println(" getEndIndex(): " + iter.getEndIndex()); |
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System.out.println(" text.length(): " + text.length()); |
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errln(""); // re-throw the exception through our test framework |
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} |
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} |
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}
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