| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| /** |
| * @author Elena Semukhina |
| * @version $Revision$ |
| */ |
| |
| package libcore.java.math; |
| |
| import java.math.BigDecimal; |
| import java.math.BigInteger; |
| import java.math.MathContext; |
| import java.math.RoundingMode; |
| import junit.framework.TestCase; |
| |
| public class OldBigDecimalCompareTest extends TestCase { |
| |
| public void testAbsMathContextNeg() { |
| String a = "-123809648392384754573567356745735.63567890295784902768787678287E+21"; |
| BigDecimal aNumber = new BigDecimal(a); |
| MathContext mc = new MathContext(34, RoundingMode.UP); |
| assertEquals("incorrect value", "1.238096483923847545735673567457357E+53", aNumber.abs(mc).toString()); |
| |
| mc = new MathContext(34, RoundingMode.DOWN); |
| assertEquals("incorrect value", "1.238096483923847545735673567457356E+53", aNumber.abs(mc).toString()); |
| |
| mc = new MathContext(34, RoundingMode.FLOOR); |
| assertEquals("incorrect value", "1.238096483923847545735673567457356E+53", aNumber.abs(mc).toString()); |
| |
| mc = new MathContext(34, RoundingMode.CEILING); |
| assertEquals("incorrect value", "1.238096483923847545735673567457357E+53", aNumber.abs(mc).toString()); |
| |
| mc = new MathContext(34, RoundingMode.UNNECESSARY); |
| try { |
| aNumber.abs(mc); |
| fail("No ArithmeticException for RoundingMode.UNNECESSARY"); |
| } catch (ArithmeticException expected) { |
| } |
| } |
| |
| public void testNegateMathContextPositive() { |
| String a = "92948782094488478231212478987482988429808779810457634781384756794987"; |
| MathContext mc = new MathContext(37, RoundingMode.FLOOR); |
| BigDecimal aNumber = new BigDecimal(new BigInteger(a), 41); |
| BigDecimal res = aNumber.negate(mc); |
| assertEquals("incorrect value", "-929487820944884782312124789.8748298843", res.toString()); |
| assertEquals("incorrect scale", 10, res.scale()); |
| } |
| } |