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/*******************************************************************************
* Copyright (c) 2006, 2018 IBM Corporation.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* IBM Corporation - Jeff Briggs, Henry Hughes, Ryan Morse
*******************************************************************************/
package org.eclipse.linuxtools.systemtap.graphing.core.tests.structures;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import org.eclipse.linuxtools.systemtap.graphing.core.structures.NumberType;
import org.junit.Test;
public class NumberTypeTest {
@Test
public void testGetNumber() {
Number n = NumberType.getNumber(3, 3.2);
assertTrue(n instanceof Integer);
assertEquals(3, n.intValue());
n = NumberType.getNumber(3d, 3.2);
assertTrue(n instanceof Double);
assertEquals(3.2, n.doubleValue(), 0.0);
n = NumberType.getNumber(3f, 3.2);
assertTrue(n instanceof Float);
assertEquals(3.2, n.floatValue(), 0.0001);
n = NumberType.getNumber(3L, 3.2);
assertTrue(n instanceof Long);
assertEquals(3, n.longValue());
n = NumberType.getNumber((byte)3, 3.2);
assertTrue(n instanceof Byte);
assertEquals(3, n.byteValue());
n = NumberType.getNumber((short)3, 3.2);
assertTrue(n instanceof Short);
assertEquals(3, n.shortValue());
}
@Test
public void testObj2num() {
Object[] obj = new Object[] {3, 2.3d, 4.2f};
Number[] num = NumberType.obj2num(obj);
assertEquals(0, NumberType.obj2num("a").intValue());
assertEquals(3, num.length);
assertTrue(num[0] instanceof Integer);
assertTrue(num[1] instanceof Double);
assertTrue(num[2] instanceof Float);
assertEquals(3, num[0].intValue());
assertEquals(2.3, num[1].doubleValue(), 0.00001);
assertEquals(4.2, num[2].doubleValue(), 0.00001);
}
@Test
public void testCleanObj2Num() {
assertEquals(3, NumberType.cleanObj2Num("3").intValue());
assertEquals(3.2, NumberType.cleanObj2Num("3.2").doubleValue(), 0.00001);
assertEquals(3, NumberType.cleanObj2Num(3).intValue());
}
}
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