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// Test of the method BigDecimal.negate()
// Copyright 2012 Red Hat, Inc.
// Written by Pavel Tisnovsky <ptisnovs@redhat.com>
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published
// by the Free Software Foundation, either version 2 of the License, or
// (at your option) any later version.
//
// This program 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 for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307 USA
//
// Tags: JDK1.5
package gnu.testlet.java.math.BigDecimal;
import java.math.BigDecimal;
import java.math.MathContext;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
/**
* Check for method BigDecimal.negate()
*/
public class negate implements Testlet
{
/**
* Entry point to this test.
*/
public void test(TestHarness harness)
{
test1(harness);
test2(harness, new MathContext(0));
test2(harness, new MathContext(1));
test2(harness, new MathContext(2));
test3(harness);
}
/**
* Basic tests
*/
private void test1(TestHarness harness)
{
harness.check(((new BigDecimal("2")).negate().toString()).equals("-2"));
harness.check(((new BigDecimal("-2")).negate().toString()).equals("2"));
harness.check(((new BigDecimal("+0.000")).negate().toString()).equals("0.000"));
harness.check(((new BigDecimal("00.000")).negate().toString()).equals("0.000"));
harness.check(((new BigDecimal("-0.000")).negate().toString()).equals("0.000"));
harness.check(((new BigDecimal("-2000000")).negate().toString()).equals("2000000"));
harness.check(((new BigDecimal("0.2")).negate().toString()).equals("-0.2"));
harness.check(((new BigDecimal("-0.2")).negate().toString()).equals("0.2"));
harness.check(((new BigDecimal("0.01")).negate().toString()).equals("-0.01"));
harness.check(((new BigDecimal("-0.01")).negate().toString()).equals("0.01"));
}
/**
* Tests using MathContext
*/
private void test2(TestHarness harness, MathContext mathContext)
{
harness.check(((new BigDecimal("2")).negate(mathContext).toString()).equals("-2"));
harness.check(((new BigDecimal("-2")).negate(mathContext).toString()).equals("2"));
harness.check(((new BigDecimal("+0.000")).negate(mathContext).toString()).equals("0.000"));
harness.check(((new BigDecimal("00.000")).negate(mathContext).toString()).equals("0.000"));
harness.check(((new BigDecimal("-0.000")).negate(mathContext).toString()).equals("0.000"));
harness.check(((new BigDecimal("0.2")).negate(mathContext).toString()).equals("-0.2"));
harness.check(((new BigDecimal("-0.2")).negate(mathContext).toString()).equals("0.2"));
harness.check(((new BigDecimal("0.01")).negate(mathContext).toString()).equals("-0.01"));
harness.check(((new BigDecimal("-0.01")).negate(mathContext).toString()).equals("0.01"));
}
/**
* Various MathContext usage
*/
private void test3(TestHarness harness)
{
harness.check(((new BigDecimal("-2000000")).negate(new MathContext(0)).toString()).equals("2000000"));
harness.check(((new BigDecimal("-2000000")).negate(new MathContext(1)).toString()).equals("2E+6"));
harness.check(((new BigDecimal("-2000000")).negate(new MathContext(2)).toString()).equals("2.0E+6"));
harness.check(((new BigDecimal("-2000000")).negate(new MathContext(3)).toString()).equals("2.00E+6"));
harness.check(((new BigDecimal("2000000")).negate(new MathContext(0)).toString()).equals("-2000000"));
harness.check(((new BigDecimal("2000000")).negate(new MathContext(1)).toString()).equals("-2E+6"));
harness.check(((new BigDecimal("2000000")).negate(new MathContext(2)).toString()).equals("-2.0E+6"));
harness.check(((new BigDecimal("2000000")).negate(new MathContext(3)).toString()).equals("-2.00E+6"));
}
}
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