1/*
2 *  Licensed to the Apache Software Foundation (ASF) under one or more
3 *  contributor license agreements.  See the NOTICE file distributed with
4 *  this work for additional information regarding copyright ownership.
5 *  The ASF licenses this file to You under the Apache License, Version 2.0
6 *  (the "License"); you may not use this file except in compliance with
7 *  the License.  You may obtain a copy of the License at
8 *
9 *     http://www.apache.org/licenses/LICENSE-2.0
10 *
11 *  Unless required by applicable law or agreed to in writing, software
12 *  distributed under the License is distributed on an "AS IS" BASIS,
13 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14 *  See the License for the specific language governing permissions and
15 *  limitations under the License.
16 */
17/**
18 * @author Elena Semukhina
19 * @version $Revision$
20 */
21
22package libcore.java.math;
23
24import java.math.BigDecimal;
25import java.math.BigInteger;
26import java.math.MathContext;
27import java.math.RoundingMode;
28import junit.framework.TestCase;
29
30public class OldBigDecimalCompareTest extends TestCase {
31
32    public void testAbsMathContextNeg() {
33        String a = "-123809648392384754573567356745735.63567890295784902768787678287E+21";
34        BigDecimal aNumber = new BigDecimal(a);
35        MathContext mc = new MathContext(34, RoundingMode.UP);
36        assertEquals("incorrect value", "1.238096483923847545735673567457357E+53", aNumber.abs(mc).toString());
37
38        mc = new MathContext(34, RoundingMode.DOWN);
39        assertEquals("incorrect value", "1.238096483923847545735673567457356E+53", aNumber.abs(mc).toString());
40
41        mc = new MathContext(34, RoundingMode.FLOOR);
42        assertEquals("incorrect value", "1.238096483923847545735673567457356E+53", aNumber.abs(mc).toString());
43
44        mc = new MathContext(34, RoundingMode.CEILING);
45        assertEquals("incorrect value", "1.238096483923847545735673567457357E+53", aNumber.abs(mc).toString());
46
47        mc = new MathContext(34, RoundingMode.UNNECESSARY);
48        try {
49            aNumber.abs(mc);
50            fail("No ArithmeticException for RoundingMode.UNNECESSARY");
51        } catch (ArithmeticException expected) {
52        }
53    }
54
55    public void testNegateMathContextPositive() {
56       String a = "92948782094488478231212478987482988429808779810457634781384756794987";
57       MathContext mc = new MathContext(37, RoundingMode.FLOOR);
58       BigDecimal aNumber = new BigDecimal(new BigInteger(a), 41);
59       BigDecimal res = aNumber.negate(mc);
60       assertEquals("incorrect value", "-929487820944884782312124789.8748298843", res.toString());
61       assertEquals("incorrect scale", 10, res.scale());
62    }
63}
64