| /* |
| * Copyright 2008 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); you may not |
| * use this file except in compliance with the License. You may obtain a copy of |
| * the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
| * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
| * License for the specific language governing permissions and limitations under |
| * the License. |
| */ |
| |
| package com.google.gwt.i18n.client; |
| |
| import com.google.gwt.junit.client.GWTTestCase; |
| |
| /** |
| * GWT JUnit tests must extend GWTTestCase. |
| */ |
| public class NumberParse_en_Test extends GWTTestCase { |
| |
| /** |
| * Must refer to a valid module that inherits from com.google.gwt.junit.JUnit. |
| */ |
| @Override |
| public String getModuleName() { |
| return "com.google.gwt.i18n.I18NTest_en"; |
| } |
| |
| private static Number numberParse(String pattern, String toParse) { |
| NumberFormat fmt = NumberFormat.getFormat(pattern); |
| return new Double(fmt.parse(toParse)); |
| } |
| |
| public void testBasicParse() { |
| Number value; |
| |
| value = numberParse("0.0000", "123.4579"); |
| assertTrue(value.doubleValue() == 123.4579); |
| |
| value = numberParse("0.0000", "+123.4579"); |
| assertTrue(value.doubleValue() == 123.4579); |
| |
| value = numberParse("0.0000", "-123.4579"); |
| assertTrue(value.doubleValue() == -123.4579); |
| |
| try { |
| NumberFormat.getDecimalFormat().parse("-1-1--1"); |
| fail("Expecting NumberFormatException to be thrown"); |
| } catch (NumberFormatException e) { |
| } |
| } |
| |
| public void testExponentParse() { |
| Number value; |
| |
| value = numberParse("#E0", "1.234E3"); |
| assertTrue(value.doubleValue() == 1.234E+3); |
| |
| value = numberParse("0.###E0", "1.234E3"); |
| assertTrue(value.doubleValue() == 1.234E+3); |
| |
| value = numberParse("#E0", "1.2345E4"); |
| assertTrue(value.doubleValue() == 12345.0); |
| |
| value = numberParse("0E0", "1.2345E4"); |
| assertTrue(value.doubleValue() == 12345.0); |
| |
| value = numberParse("0E0", "1.2345E+4"); |
| assertTrue(value.doubleValue() == 12345.0); |
| } |
| |
| public void testGroupingParse() { |
| Number value; |
| |
| value = numberParse("#,###", "1,234,567,890"); |
| assertTrue(value.doubleValue() == 1234567890); |
| value = numberParse("#,####", "12,3456,7890"); |
| assertTrue(value.doubleValue() == 1234567890); |
| |
| value = numberParse("#", "1234567890"); |
| assertTrue(value.doubleValue() == 1234567890); |
| } |
| |
| public void testInfinityParse() { |
| Number value; |
| |
| // gwt need to add those symbols first |
| value = numberParse("0.0;(0.0)", "\u221E"); |
| assertTrue(value.doubleValue() == Double.POSITIVE_INFINITY); |
| |
| value = numberParse("0.0;(0.0)", "(\u221E)"); |
| assertTrue(value.doubleValue() == Double.NEGATIVE_INFINITY); |
| } |
| |
| public void testNaNParse() { |
| Number value; |
| |
| // gwt need to add those symbols first |
| value = numberParse("0.0;(0.0)", "NaN"); |
| assertTrue(Double.isNaN(value.doubleValue())); |
| } |
| |
| public void testPrecentParse() { |
| Number value; |
| |
| value = numberParse("0.0;(0.0)", "123.4579%"); |
| assertTrue(value.doubleValue() == (123.4579 / 100)); |
| |
| value = numberParse("0.0;(0.0)", "(%123.4579)"); |
| assertTrue(value.doubleValue() == (-123.4579 / 100)); |
| |
| value = numberParse("0.0;(0.0)", "123.4579\u2030"); |
| assertTrue(value.doubleValue() == (123.4579 / 1000)); |
| |
| value = numberParse("0.0;(0.0)", "(\u2030123.4579)"); |
| assertTrue(value.doubleValue() == (-123.4579 / 1000)); |
| } |
| |
| public void testPrefixParse() { |
| Number value; |
| |
| value = numberParse("0.0;(0.0)", "123.4579"); |
| assertTrue(value.doubleValue() == 123.4579); |
| |
| value = numberParse("0.0;(0.0)", "(123.4579)"); |
| assertTrue(value.doubleValue() == -123.4579); |
| } |
| } |