/*
* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 only, as
* published by the Free Software Foundation.
*
* This code is distributed in the hope that it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
* accompanied this code).
*
* You should have received a copy of the GNU General Public License version
* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
*
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
* or visit www.oracle.com if you need additional information or have any
* questions.
*/
/*
* @test
* @bug 7036582
* @summary Some new tests for the add method and constructor with MathContext.
* @run main RangeTests
* @run main/othervm -XX:+AggressiveOpts RangeTests
* @author Sergey V. Kuksenko
*/
import java.math.BigDecimal;
import java.math.BigInteger;
import java.math.MathContext;
public class RangeTests {
private static int addTest(BigDecimal arg1, BigDecimal arg2, BigDecimal expectedResult) {
int failures = 0;
BigDecimal result = arg1.add(arg2);
if (!result.equals(expectedResult)) {
System.out.println("Sum:" +
arg1 + " + " +
arg2 + " == " +
result + "; expected " +
expectedResult
);
failures++;
}
result = arg2.add(arg1);
if (!result.equals(expectedResult)) {
System.out.println("Sum:" +
arg2 + " + " +
arg1 + " == " +
result + "; expected " +
expectedResult
);
failures++;
}
return failures;
}
/*
* Test BigDecimal.add(BigDecimal) when values are withing different ranges:
* 1. within 32 bits
* 2. within 64 bits
* 3. outside 64 bits.
*/
private static int addBoundaryTest() {
int failures = 0;
failures += addTest(
new BigDecimal("85070591730234615847396907784232501249"),
BigDecimal.valueOf(0),
new BigDecimal("85070591730234615847396907784232501249") );
failures += addTest(
new BigDecimal("-85070591730234615847396907784232501249"),
BigDecimal.valueOf(0),
new BigDecimal("-85070591730234615847396907784232501249") );
failures += addTest(
new BigDecimal("85070591730234615847396907784232501249"),
BigDecimal.valueOf(1),
new BigDecimal("85070591730234615847396907784232501250") );
failures += addTest(
new BigDecimal("85070591730234615847396907784232501249"),
BigDecimal.valueOf(-1),
new BigDecimal("85070591730234615847396907784232501248") );
failures += addTest(
new BigDecimal("-85070591730234615847396907784232501250"),
BigDecimal.valueOf(-1),
new BigDecimal("-85070591730234615847396907784232501251") );
failures += addTest(
new BigDecimal("-85070591730234615847396907784232501249"),
BigDecimal.valueOf(1),
new BigDecimal("-85070591730234615847396907784232501248") );
failures += addTest(
new BigDecimal("147573952589676412927"),
BigDecimal.valueOf(Integer.MAX_VALUE),
new BigDecimal("147573952591823896574") );
failures += addTest(
new BigDecimal("-147573952589676412927"),
BigDecimal.valueOf(Integer.MAX_VALUE),
new BigDecimal("-147573952587528929280") );
failures += addTest(
new BigDecimal("79228162514264337593543950335"),
BigDecimal.valueOf(999),
new BigDecimal("79228162514264337593543951334") );
failures += addTest(
new BigDecimal("79228162514264337593543950335"),
BigDecimal.valueOf(Integer.MAX_VALUE/2),
new BigDecimal("79228162514264337594617692158") );
failures += addTest(
new BigDecimal("79228162514264337593543950335"),
BigDecimal.valueOf(Integer.MIN_VALUE/2),
new BigDecimal("79228162514264337592470208511") );
failures += addTest(
new BigDecimal("-79228162514264337593543950335"),
BigDecimal.valueOf(Integer.MAX_VALUE/2),
new BigDecimal("-79228162514264337592470208512") );
failures += addTest(
new BigDecimal("79228162514264337593543950335"),
BigDecimal.valueOf(-(Integer.MIN_VALUE/2)),
new BigDecimal("79228162514264337594617692159") );
failures += addTest(
new BigDecimal("79228162514264337593543950335"),
BigDecimal.valueOf(Long.MAX_VALUE/2),
new BigDecimal("79228162518876023611971338238") );
failures += addTest(
new BigDecimal("79228162514264337593543950335"),
BigDecimal.valueOf(Long.MIN_VALUE/2),
new BigDecimal("79228162509652651575116562431") );
failures += addTest(
new BigDecimal("-79228162514264337593543950335"),
BigDecimal.valueOf(Long.MAX_VALUE/2),
new BigDecimal("-79228162509652651575116562432") );
failures += addTest(
new BigDecimal("79228162514264337593543950335"),
BigDecimal.valueOf(-(Long.MIN_VALUE/2)),
new BigDecimal("79228162518876023611971338239") );
failures += addTest(
new BigDecimal("-9223372036854775808"),
BigDecimal.valueOf(1),
new BigDecimal("-9223372036854775807") );
failures += addTest(
new BigDecimal("-9223372036854775808"),
BigDecimal.valueOf(Long.MAX_VALUE/2),
new BigDecimal("-4611686018427387905") );
failures += addTest(
new BigDecimal("9223372036854775808"),
BigDecimal.valueOf(-1),
new BigDecimal("9223372036854775807") );
failures += addTest(
new BigDecimal("9223372036854775808"),
BigDecimal.valueOf(-Long.MAX_VALUE/2),
new BigDecimal("4611686018427387905") );
return failures;
}
private static int testRoundingFromBigInteger(BigInteger bi, int scale, MathContext mc) {
int failures = 0;
BigDecimal bd1 = new BigDecimal(bi,scale, mc);
BigDecimal bd2 = (new BigDecimal(bi,scale)).round(mc);
if (!bd1.equals(bd2)) {
System.out.println("new BigDecimal(BigInteger,int,MathContext):" +
"BigInteger == " +
bi + "; scale == " + scale + "; result == " +
bd1 + "; expected == " +
bd2
);
failures++;
}
return failures;
}
private static int roundingConstructorTest() {
int failures = 0;
failures += testRoundingFromBigInteger(
new BigInteger("85070591730234615847396907784232501249"),
7, MathContext.DECIMAL64);
failures += testRoundingFromBigInteger(
new BigInteger("85070591730234615847396907784232501249"),
0, MathContext.DECIMAL64);
failures += testRoundingFromBigInteger(
new BigInteger("85070591730234615847396907784232501249"),
-7, MathContext.DECIMAL64);
failures += testRoundingFromBigInteger(
new BigInteger("85070591730234615847396907784232501249"),
7, MathContext.DECIMAL128);
failures += testRoundingFromBigInteger(
new BigInteger("85070591730234615847396907784232501249"),
177, MathContext.DECIMAL128);
failures += testRoundingFromBigInteger(
new BigInteger("85070591730234615847396907784232501249"),
177, MathContext.DECIMAL32);
failures += testRoundingFromBigInteger(
new BigInteger("85070591730234615847396907784232501249"),
177, MathContext.UNLIMITED);
failures += testRoundingFromBigInteger(
new BigInteger("85070591730234615847396907784232501249"),
0, MathContext.UNLIMITED);
return failures;
}
private static int minLongConstructorTest(MathContext mc) {
int failures = 0;
BigDecimal bd1 = new BigDecimal(Long.MIN_VALUE,mc);
BigDecimal bd2 = new BigDecimal(Long.MIN_VALUE).round(mc);
if (!bd1.equals(bd2)) {
System.out.println("new BigDecimal(long,MathContext):" +
"long == " +
Long.MIN_VALUE + "; result == " +
bd1 + "; expected == " +
bd2
);
failures++;
}
return failures;
}
private static int minLongConstructorTest() {
int failures = 0;
failures+=minLongConstructorTest(MathContext.UNLIMITED);
failures+=minLongConstructorTest(MathContext.DECIMAL32);
failures+=minLongConstructorTest(MathContext.DECIMAL64);
failures+=minLongConstructorTest(MathContext.DECIMAL128);
return failures;
}
public static void main(String argv[]) {
int failures = 0;
failures += addBoundaryTest();
failures += roundingConstructorTest();
failures += minLongConstructorTest();
if (failures > 0) {
throw new RuntimeException("Incurred " + failures +
" failures while testing.");
}
}
}