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/*
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* Copyright (c) 2003, 2018, Oracle and/or its affiliates. All rights reserved.
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9272
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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/*
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* @test
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* @bug 7036582
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* @summary Some new tests for the add method and constructor with MathContext.
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* @run main RangeTests
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49483
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* @run main/othervm -XX:+IgnoreUnrecognizedVMOptions -XX:+EliminateAutoBox -XX:AutoBoxCacheMax=20000 RangeTests
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9272
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* @author Sergey V. Kuksenko
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*/
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import java.math.BigDecimal;
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import java.math.BigInteger;
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import java.math.MathContext;
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public class RangeTests {
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private static int addTest(BigDecimal arg1, BigDecimal arg2, BigDecimal expectedResult) {
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int failures = 0;
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BigDecimal result = arg1.add(arg2);
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if (!result.equals(expectedResult)) {
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System.out.println("Sum:" +
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arg1 + " + " +
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arg2 + " == " +
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result + "; expected " +
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expectedResult
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);
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failures++;
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}
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result = arg2.add(arg1);
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if (!result.equals(expectedResult)) {
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System.out.println("Sum:" +
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arg2 + " + " +
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arg1 + " == " +
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result + "; expected " +
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expectedResult
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);
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failures++;
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}
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return failures;
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}
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/*
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* Test BigDecimal.add(BigDecimal) when values are withing different ranges:
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* 1. within 32 bits
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* 2. within 64 bits
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* 3. outside 64 bits.
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*/
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private static int addBoundaryTest() {
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int failures = 0;
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failures += addTest(
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new BigDecimal("85070591730234615847396907784232501249"),
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BigDecimal.valueOf(0),
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new BigDecimal("85070591730234615847396907784232501249") );
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failures += addTest(
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new BigDecimal("-85070591730234615847396907784232501249"),
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BigDecimal.valueOf(0),
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new BigDecimal("-85070591730234615847396907784232501249") );
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failures += addTest(
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new BigDecimal("85070591730234615847396907784232501249"),
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BigDecimal.valueOf(1),
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new BigDecimal("85070591730234615847396907784232501250") );
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failures += addTest(
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new BigDecimal("85070591730234615847396907784232501249"),
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BigDecimal.valueOf(-1),
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new BigDecimal("85070591730234615847396907784232501248") );
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failures += addTest(
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new BigDecimal("-85070591730234615847396907784232501250"),
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BigDecimal.valueOf(-1),
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new BigDecimal("-85070591730234615847396907784232501251") );
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failures += addTest(
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new BigDecimal("-85070591730234615847396907784232501249"),
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BigDecimal.valueOf(1),
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new BigDecimal("-85070591730234615847396907784232501248") );
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failures += addTest(
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new BigDecimal("147573952589676412927"),
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BigDecimal.valueOf(Integer.MAX_VALUE),
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new BigDecimal("147573952591823896574") );
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failures += addTest(
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new BigDecimal("-147573952589676412927"),
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BigDecimal.valueOf(Integer.MAX_VALUE),
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new BigDecimal("-147573952587528929280") );
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failures += addTest(
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new BigDecimal("79228162514264337593543950335"),
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BigDecimal.valueOf(999),
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new BigDecimal("79228162514264337593543951334") );
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failures += addTest(
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new BigDecimal("79228162514264337593543950335"),
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BigDecimal.valueOf(Integer.MAX_VALUE/2),
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new BigDecimal("79228162514264337594617692158") );
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failures += addTest(
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new BigDecimal("79228162514264337593543950335"),
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BigDecimal.valueOf(Integer.MIN_VALUE/2),
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new BigDecimal("79228162514264337592470208511") );
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failures += addTest(
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new BigDecimal("-79228162514264337593543950335"),
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BigDecimal.valueOf(Integer.MAX_VALUE/2),
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new BigDecimal("-79228162514264337592470208512") );
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failures += addTest(
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new BigDecimal("79228162514264337593543950335"),
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BigDecimal.valueOf(-(Integer.MIN_VALUE/2)),
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new BigDecimal("79228162514264337594617692159") );
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failures += addTest(
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new BigDecimal("79228162514264337593543950335"),
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BigDecimal.valueOf(Long.MAX_VALUE/2),
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new BigDecimal("79228162518876023611971338238") );
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failures += addTest(
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new BigDecimal("79228162514264337593543950335"),
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BigDecimal.valueOf(Long.MIN_VALUE/2),
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new BigDecimal("79228162509652651575116562431") );
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failures += addTest(
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new BigDecimal("-79228162514264337593543950335"),
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BigDecimal.valueOf(Long.MAX_VALUE/2),
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new BigDecimal("-79228162509652651575116562432") );
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failures += addTest(
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new BigDecimal("79228162514264337593543950335"),
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BigDecimal.valueOf(-(Long.MIN_VALUE/2)),
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new BigDecimal("79228162518876023611971338239") );
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failures += addTest(
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new BigDecimal("-9223372036854775808"),
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BigDecimal.valueOf(1),
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new BigDecimal("-9223372036854775807") );
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failures += addTest(
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new BigDecimal("-9223372036854775808"),
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BigDecimal.valueOf(Long.MAX_VALUE/2),
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new BigDecimal("-4611686018427387905") );
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failures += addTest(
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new BigDecimal("9223372036854775808"),
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BigDecimal.valueOf(-1),
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new BigDecimal("9223372036854775807") );
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failures += addTest(
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new BigDecimal("9223372036854775808"),
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BigDecimal.valueOf(-Long.MAX_VALUE/2),
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new BigDecimal("4611686018427387905") );
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return failures;
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}
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private static int testRoundingFromBigInteger(BigInteger bi, int scale, MathContext mc) {
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int failures = 0;
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BigDecimal bd1 = new BigDecimal(bi,scale, mc);
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BigDecimal bd2 = (new BigDecimal(bi,scale)).round(mc);
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if (!bd1.equals(bd2)) {
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System.out.println("new BigDecimal(BigInteger,int,MathContext):" +
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"BigInteger == " +
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bi + "; scale == " + scale + "; result == " +
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bd1 + "; expected == " +
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bd2
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);
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failures++;
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}
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return failures;
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}
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private static int roundingConstructorTest() {
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int failures = 0;
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failures += testRoundingFromBigInteger(
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new BigInteger("85070591730234615847396907784232501249"),
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7, MathContext.DECIMAL64);
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failures += testRoundingFromBigInteger(
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new BigInteger("85070591730234615847396907784232501249"),
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0, MathContext.DECIMAL64);
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failures += testRoundingFromBigInteger(
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new BigInteger("85070591730234615847396907784232501249"),
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-7, MathContext.DECIMAL64);
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failures += testRoundingFromBigInteger(
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new BigInteger("85070591730234615847396907784232501249"),
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7, MathContext.DECIMAL128);
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failures += testRoundingFromBigInteger(
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new BigInteger("85070591730234615847396907784232501249"),
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177, MathContext.DECIMAL128);
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failures += testRoundingFromBigInteger(
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new BigInteger("85070591730234615847396907784232501249"),
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177, MathContext.DECIMAL32);
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failures += testRoundingFromBigInteger(
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new BigInteger("85070591730234615847396907784232501249"),
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177, MathContext.UNLIMITED);
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failures += testRoundingFromBigInteger(
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new BigInteger("85070591730234615847396907784232501249"),
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0, MathContext.UNLIMITED);
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return failures;
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}
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private static int minLongConstructorTest(MathContext mc) {
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int failures = 0;
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BigDecimal bd1 = new BigDecimal(Long.MIN_VALUE,mc);
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BigDecimal bd2 = new BigDecimal(Long.MIN_VALUE).round(mc);
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if (!bd1.equals(bd2)) {
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System.out.println("new BigDecimal(long,MathContext):" +
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"long == " +
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Long.MIN_VALUE + "; result == " +
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bd1 + "; expected == " +
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bd2
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);
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failures++;
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}
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return failures;
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}
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private static int minLongConstructorTest() {
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int failures = 0;
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failures+=minLongConstructorTest(MathContext.UNLIMITED);
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failures+=minLongConstructorTest(MathContext.DECIMAL32);
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failures+=minLongConstructorTest(MathContext.DECIMAL64);
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failures+=minLongConstructorTest(MathContext.DECIMAL128);
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return failures;
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}
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public static void main(String argv[]) {
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int failures = 0;
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failures += addBoundaryTest();
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failures += roundingConstructorTest();
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failures += minLongConstructorTest();
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if (failures > 0) {
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throw new RuntimeException("Incurred " + failures +
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" failures while testing.");
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}
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}
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}
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