| /* |
| * Copyright (c) 2005, 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 4092330 6246348 |
| * @summary Tests for rounding mode in NumberFormat |
| */ |
| |
| import java.math.*; |
| import java.text.*; |
| |
| public class NumberFormatRounding { |
| |
| static final String AE = "ArithmeticException"; |
| |
| static final double src[] = {5.5, 2.5, 1.6, 1.1, 1.0, -1.0, -1.1, -1.6, -2.5, -5.5, |
| 5.501, -5.501, 5.500, -5.500, 1.001, -1.001, 4.501, -4.501, 4.500, -4.500}; |
| static final String up[] = {"6", "3", "2", "2", "1", "-1", "-2", "-2", "-3", "-6", |
| "6", "-6", "6", "-6", "2", "-2", "5", "-5", "5", "-5"}; |
| static final String down[] = {"5", "2", "1", "1", "1", "-1", "-1", "-1", "-2", "-5", |
| "5", "-5", "5", "-5", "1", "-1", "4", "-4", "4", "-4"}; |
| static final String ceiling[] = {"6", "3", "2", "2", "1", "-1", "-1", "-1", "-2", "-5", |
| "6", "-5", "6", "-5", "2", "-1", "5", "-4", "5", "-4"}; |
| static final String floor[] = {"5", "2", "1", "1", "1", "-1", "-2", "-2", "-3", "-6", |
| "5", "-6", "5", "-6", "1", "-2", "4", "-5", "4", "-5"}; |
| static final String half_up[] = {"6", "3", "2", "1", "1", "-1", "-1", "-2", "-3", "-6", |
| "6", "-6", "6", "-6", "1", "-1", "5", "-5", "5", "-5"}; |
| static final String half_down[] = {"5", "2", "2", "1", "1", "-1", "-1", "-2", "-2", "-5", |
| "6", "-6", "5", "-5", "1", "-1", "5", "-5", "4", "-4"}; |
| static final String half_even[] = {"6", "2", "2", "1", "1", "-1", "-1", "-2", "-2", "-6", |
| "6", "-6", "6", "-6", "1", "-1", "5", "-5", "4", "-4"}; |
| static final String unnecessary[] = {AE, AE, AE, AE, "1", "-1", AE, AE, AE, AE, |
| AE, AE, AE, AE, AE, AE, AE, AE, AE, AE}; |
| |
| public static void main(String[] args) { |
| basicTest(); |
| |
| roundTest(RoundingMode.UP, up); |
| roundTest(RoundingMode.DOWN, down); |
| roundTest(RoundingMode.CEILING, ceiling); |
| roundTest(RoundingMode.FLOOR, floor); |
| roundTest(RoundingMode.HALF_UP, half_up); |
| roundTest(RoundingMode.HALF_DOWN, half_down); |
| roundTest(RoundingMode.HALF_EVEN, half_even); |
| roundTest(RoundingMode.UNNECESSARY, unnecessary); |
| } |
| |
| static void basicTest() { |
| NumberFormat nf = NumberFormat.getIntegerInstance(); |
| |
| if (nf.getRoundingMode() != RoundingMode.HALF_EVEN) { |
| throw new RuntimeException("default rounding is not HALF_EVEN"); |
| } |
| |
| try { |
| nf.setRoundingMode(null); |
| throw new RuntimeException( |
| "NullPointerException is not thrown by calling setRoundingMode(null)"); |
| } catch (NullPointerException npe) { |
| // continue testing |
| } |
| |
| ChoiceFormat cf = new ChoiceFormat(""); |
| |
| try { |
| cf.setRoundingMode(RoundingMode.HALF_EVEN); |
| throw new RuntimeException( |
| "UnsupportedOperationException is not thrown by calling setRoundingMode()"); |
| } catch (UnsupportedOperationException uoe) { |
| // continue testing |
| } |
| |
| try { |
| cf.getRoundingMode(); |
| throw new RuntimeException( |
| "UnsupportedOperationException is not thrown by calling getRoundingMode()"); |
| } catch (UnsupportedOperationException uoe) { |
| // continue testing |
| } |
| } |
| |
| static void roundTest(RoundingMode rm, String[] expected) { |
| NumberFormat nf = NumberFormat.getIntegerInstance(); |
| nf.setRoundingMode(rm); |
| |
| if (nf.getRoundingMode() != rm) { |
| throw new RuntimeException("set rounding mode is not returned by get method"); |
| } |
| |
| for (int i = 0; i < src.length; i ++) { |
| String result = null; |
| try { |
| result = nf.parse(nf.format(src[i])).toString(); |
| if (!result.equals(expected[i])) { |
| throw new RuntimeException("rounding test #"+i+" failed. mode: "+rm+" src: "+src[i]+" expected: "+expected[i]+" result: "+result); |
| } |
| } catch (ArithmeticException ae) { |
| if (expected[i].equals(AE)) { |
| continue; |
| } else { |
| result = AE; |
| throw new RuntimeException("rounding test #"+i+" failed. mode: "+rm+" src: "+src[i]+" expected: "+expected[i]+" result: "+result); |
| } |
| } catch (ParseException pe) { |
| throw new RuntimeException("ParseException ocurred.", pe); |
| } |
| } |
| } |
| } |