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// Test the conversion between double and int.
// 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
package gnu.testlet.java.lang.Double;
import gnu.testlet.Testlet;
import gnu.testlet.TestHarness;
/**
* Test the conversion between double and int.
*/
public class doubleToInt implements Testlet
{
/**
* Entry point to this test.
*/
public void test(TestHarness harness)
{
testZero(harness);
testPositiveValue(harness);
testNegativeValue(harness);
testNaN(harness);
testPositiveInfinity(harness);
testNegativeInfinity(harness);
}
public void testZero(TestHarness harness)
{
double value = 0.0D;
boolean result = (int)value == 0;
harness.check(result);
}
public void testPositiveValue(TestHarness harness)
{
double value = 123.456D;
boolean result = (int)value == 123;
harness.check(result);
value = 456.789D;
result = (int)value == 456;
harness.check(result);
}
public void testNegativeValue(TestHarness harness)
{
double value = -123.456D;
boolean result = (int)value == -123;
harness.check(result);
value = -456.789D;
result = (int)value == -456;
harness.check(result);
}
public void testNaN(TestHarness harness)
{
double value = 0.0D / 0.0D;
boolean result = (int)value == 0;
harness.check(result);
}
public void testPositiveInfinity(TestHarness harness)
{
double value = 100.0D / 0.0D;
boolean result = (int)value == 0x7fffffff;
harness.check(result);
}
public void testNegativeInfinity(TestHarness harness)
{
double value = -100.0D / 0.0D;
boolean result = (int)value == 0x80000000;
harness.check(result);
}
}
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