1 /*
   2  * Copyright (c) 2018, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 import java.math.BigDecimal;
  25 import java.text.NumberFormat;
  26 import java.text.ParseException;
  27 import java.text.ParsePosition;
  28 import static org.testng.Assert.*;
  29 
  30 class CompactFormatAndParseHelper {
  31 
  32     static void testFormat(NumberFormat cnf, Object number,
  33             String expected) {
  34         String result = cnf.format(number);
  35         assertEquals(result, expected, "Incorrect formatting of the number '"
  36                 + number + "'");
  37     }
  38 
  39     static void testParse(NumberFormat cnf, String parseString,
  40             Number expected, ParsePosition position, Class<? extends Number> returnType) throws ParseException {
  41 
  42         Number number;
  43         if (position == null) {
  44             number = cnf.parse(parseString);
  45         } else {
  46             number = cnf.parse(parseString, position);
  47         }
  48 
  49         if (returnType != null) {
  50             assertEquals(number.getClass(), returnType, "Incorrect return type for string" + parseString);
  51         }
  52 
  53         if (number instanceof Double) {
  54             assertEquals(number.doubleValue(), (double) expected,
  55                     "Incorrect parsing of the string '" + parseString + "'");
  56         } else if (number instanceof Long) {
  57             assertEquals(number.longValue(), (long) expected,
  58                     "Incorrect parsing of the string '" + parseString + "'");
  59         } else if (number instanceof BigDecimal) {
  60             BigDecimal num = (BigDecimal) number;
  61             assertEquals(num, (BigDecimal) expected,
  62                     "Incorrect parsing of the string '" + parseString + "'");
  63         } else {
  64             assertEquals(number, expected, "Incorrect parsing of the string '"
  65                     + parseString + "'");
  66         }
  67     }
  68 }