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// Test of BigDecimal constructors.
// 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;
/**
* Test if instance of BigDecimal class could be created
* directly from a double value.
*/
public class constructorDouble implements Testlet
{
/**
* Double values used as a parameter passed to constructors.
*/
private static final double DOUBLE_VALUE_1 = .0;
private static final double DOUBLE_VALUE_2 = -.0;
private static final double DOUBLE_VALUE_3 = 10.0;
private static final double DOUBLE_VALUE_4 = -10.0;
private static final double DOUBLE_VALUE_5 = 10000000000.0;
private static final double DOUBLE_VALUE_6 = -10000000000.0;
/**
* Converting following values should cause NumberFormatException to be thrown.
*/
private static final double DOUBLE_VALUE_NAN = Double.NaN;
/**
* Entry point to this test.
*/
public void test(TestHarness harness)
{
test1(harness);
test2(harness);
}
/**
* Constructor BigDecimal(double)
*/
public void test1(TestHarness harness)
{
harness.checkPoint("constructor BigDecimal(double)");
try {
harness.check(new BigDecimal(DOUBLE_VALUE_1).toString (), "0");
harness.check(new BigDecimal(DOUBLE_VALUE_2).toString (), "0");
harness.check(new BigDecimal(DOUBLE_VALUE_3).toString (), "10");
harness.check(new BigDecimal(DOUBLE_VALUE_4).toString (), "-10");
harness.check(new BigDecimal(DOUBLE_VALUE_5).toString (), "10000000000");
harness.check(new BigDecimal(DOUBLE_VALUE_6).toString (), "-10000000000");
}
catch (Exception e) {
harness.fail("Exception should not be thrown here." + e);
}
try {
harness.check(new BigDecimal(DOUBLE_VALUE_NAN).toString(), "");
harness.fail("NumberFormatException not thrown as expected");
}
catch (NumberFormatException e) {
// ok, we assume that this exception occured here
}
}
/**
* Constructor BigDecimal(double, MathContext)
*/
public void test2(TestHarness harness)
{
harness.checkPoint("constructor BigDecimal(double, MathContext)");
try {
harness.check(new BigDecimal(DOUBLE_VALUE_1, MathContext.UNLIMITED).toString (), "0");
harness.check(new BigDecimal(DOUBLE_VALUE_2, MathContext.UNLIMITED).toString (), "0");
harness.check(new BigDecimal(DOUBLE_VALUE_3, MathContext.UNLIMITED).toString (), "10");
harness.check(new BigDecimal(DOUBLE_VALUE_4, MathContext.UNLIMITED).toString (), "-10");
harness.check(new BigDecimal(DOUBLE_VALUE_5, MathContext.UNLIMITED).toString (), "10000000000");
harness.check(new BigDecimal(DOUBLE_VALUE_6, MathContext.UNLIMITED).toString (), "-10000000000");
}
catch (Exception e) {
harness.fail("Exception should not be thrown here." + e);
}
try {
harness.check(new BigDecimal(DOUBLE_VALUE_NAN, MathContext.UNLIMITED).toString(), "");
harness.fail("NumberFormatException not thrown as expected");
}
catch (NumberFormatException e) {
// ok, we assume that this exception occured here
}
}
}
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