blob: 92fa6f2ecdc2933d6ac0c1743e94b9fe7ad77564 [file] [log] [blame]
package org.apache.commons.lang;
/* ====================================================================
* The Apache Software License, Version 1.1
*
* Copyright (c) 2002 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Commons", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
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* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
import java.lang.reflect.Method;
import java.math.BigDecimal;
import java.math.BigInteger;
import junit.framework.Test;
import junit.framework.TestCase;
import junit.framework.TestSuite;
/**
* Unit tests {@link org.apache.commons.lang.NumberUtils}.
*
* @author <a href="mailto:rand_mcneely@yahoo.com">Rand McNeely</a>
* @author <a href="mailto:ridesmet@users.sourceforge.net">Ringo De Smet</a>
* @version $Id: NumberUtilsTest.java,v 1.2.2.1 2002/11/22 23:29:24 bayard Exp $
*/
public class NumberUtilsTest extends TestCase {
public NumberUtilsTest(String name) {
super(name);
}
public static Test suite() {
TestSuite suite = new TestSuite(NumberUtilsTest.class);
suite.setName("NumberUtils Tests");
return suite;
}
//---------------------------------------------------------------------
/**
* Test for int stringToInt(String)
*/
public void testStringToIntString() {
assertTrue("stringToInt(String) 1 failed", NumberUtils.stringToInt("12345") == 12345);
assertTrue("stringToInt(String) 2 failed", NumberUtils.stringToInt("abc") == 0);
}
/**
* Test for int stringToInt(String, int)
*/
public void testStringToIntStringI() {
assertTrue("stringToInt(String,int) 1 failed", NumberUtils.stringToInt("12345", 5) == 12345);
assertTrue("stringToInt(String,int) 2 failed", NumberUtils.stringToInt("1234.5", 5) == 5);
}
public void testCreateNumber() {
//a lot of things can go wrong
assertEquals("createNumber(String) 1 failed", new Float("1234.5"), NumberUtils.createNumber("1234.5"));
assertEquals("createNumber(String) 2 failed", new Integer("12345"), NumberUtils.createNumber("12345"));
assertEquals("createNumber(String) 3 failed", new Double("1234.5"), NumberUtils.createNumber("1234.5D"));
assertEquals("createNumber(String) 4 failed", new Float("1234.5"), NumberUtils.createNumber("1234.5F"));
assertEquals("createNumber(String) 5 failed", new Long(Integer.MAX_VALUE + 1L), NumberUtils.createNumber("" + (Integer.MAX_VALUE + 1L)));
assertEquals("createNumber(String) 6 failed", new Long(12345), NumberUtils.createNumber("12345L"));
assertEquals("createNumber(String) 7 failed", new Float("-1234.5"), NumberUtils.createNumber("-1234.5"));
assertEquals("createNumber(String) 8 failed", new Integer("-12345"), NumberUtils.createNumber("-12345"));
assertTrue("createNumber(String) 9 failed", 0xFADE == NumberUtils.createNumber("0xFADE").intValue());
assertTrue("createNumber(String) 10 failed", -0xFADE == NumberUtils.createNumber("-0xFADE").intValue());
assertEquals("createNumber(String) 11 failed", new Double("1.1E200"), NumberUtils.createNumber("1.1E200"));
assertEquals("createNumber(String) 12 failed", new Float("1.1E20"), NumberUtils.createNumber("1.1E20"));
assertEquals("createNumber(String) 13 failed", new Double("-1.1E200"), NumberUtils.createNumber("-1.1E200"));
assertEquals("createNumber(String) 14 failed", new Double("1.1E-200"), NumberUtils.createNumber("1.1E-200"));
// jdk 1.2 doesn't support this. unsure about jdk 1.2.2
if(SystemUtils.isJavaVersionAtLeast(1.3f)) {
assertEquals("createNumber(String) 15 failed", new BigDecimal("1.1E-700"), NumberUtils.createNumber("1.1E-700F"));
}
assertEquals(
"createNumber(String) 16 failed",
new Long("10" + Integer.MAX_VALUE),
NumberUtils.createNumber("10" + Integer.MAX_VALUE + "L"));
assertEquals(
"createNumber(String) 17 failed",
new Long("10" + Integer.MAX_VALUE),
NumberUtils.createNumber("10" + Integer.MAX_VALUE));
assertEquals(
"createNumber(String) 18 failed",
new BigInteger("10" + Long.MAX_VALUE),
NumberUtils.createNumber("10" + Long.MAX_VALUE));
}
public void testCreateFloat() {
assertEquals("createFloat(String) failed", new Float("1234.5"), NumberUtils.createFloat("1234.5"));
}
public void testCreateDouble() {
assertEquals("createDouble(String) failed", new Double("1234.5"), NumberUtils.createDouble("1234.5"));
}
public void testCreateInteger() {
assertEquals("createInteger(String) failed", new Integer("12345"), NumberUtils.createInteger("12345"));
}
public void testCreateLong() {
assertEquals("createInteger(String) failed", new Long("12345"), NumberUtils.createLong("12345"));
}
public void testCreateBigInteger() {
assertEquals("createBigInteger(String) failed", new BigInteger("12345"), NumberUtils.createBigInteger("12345"));
}
public void testCreateBigDecimal() {
assertEquals("createBigDecimal(String) failed", new BigDecimal("1234.5"), NumberUtils.createBigDecimal("1234.5"));
}
public void testMinimumLong() {
assertEquals("minimum(long,long,long) 1 failed", 12345L, NumberUtils.minimum(12345L, 12345L + 1L, 12345L + 2L));
assertEquals("minimum(long,long,long) 2 failed", 12345L, NumberUtils.minimum(12345L + 1L, 12345L, 12345 + 2L));
assertEquals("minimum(long,long,long) 3 failed", 12345L, NumberUtils.minimum(12345L + 1L, 12345L + 2L, 12345L));
assertEquals("minimum(long,long,long) 4 failed", 12345L, NumberUtils.minimum(12345L + 1L, 12345L, 12345L));
assertEquals("minimum(long,long,long) 5 failed", 12345L, NumberUtils.minimum(12345L, 12345L, 12345L));
}
public void testMinimumInt() {
assertEquals("minimum(int,int,int) 1 failed", 12345, NumberUtils.minimum(12345, 12345 + 1, 12345 + 2));
assertEquals("minimum(int,int,int) 2 failed", 12345, NumberUtils.minimum(12345 + 1, 12345, 12345 + 2));
assertEquals("minimum(int,int,int) 3 failed", 12345, NumberUtils.minimum(12345 + 1, 12345 + 2, 12345));
assertEquals("minimum(int,int,int) 4 failed", 12345, NumberUtils.minimum(12345 + 1, 12345, 12345));
assertEquals("minimum(int,int,int) 5 failed", 12345, NumberUtils.minimum(12345, 12345, 12345));
}
public void testMaximumLong() {
assertEquals("maximum(long,long,long) 1 failed", 12345L, NumberUtils.maximum(12345L, 12345L - 1L, 12345L - 2L));
assertEquals("maximum(long,long,long) 2 failed", 12345L, NumberUtils.maximum(12345L - 1L, 12345L, 12345L - 2L));
assertEquals("maximum(long,long,long) 3 failed", 12345L, NumberUtils.maximum(12345L - 1L, 12345L - 2L, 12345L));
assertEquals("maximum(long,long,long) 4 failed", 12345L, NumberUtils.maximum(12345L - 1L, 12345L, 12345L));
assertEquals("maximum(long,long,long) 5 failed", 12345L, NumberUtils.maximum(12345L, 12345L, 12345L));
}
public void testMaximumInt() {
assertEquals("maximum(int,int,int) 1 failed", 12345, NumberUtils.maximum(12345, 12345 - 1, 12345 - 2));
assertEquals("maximum(int,int,int) 2 failed", 12345, NumberUtils.maximum(12345 - 1, 12345, 12345 - 2));
assertEquals("maximum(int,int,int) 3 failed", 12345, NumberUtils.maximum(12345 - 1, 12345 - 2, 12345));
assertEquals("maximum(int,int,int) 4 failed", 12345, NumberUtils.maximum(12345 - 1, 12345, 12345));
assertEquals("maximum(int,int,int) 5 failed", 12345, NumberUtils.maximum(12345, 12345, 12345));
}
public void testCompareDouble() {
assertTrue(NumberUtils.compare(Double.NaN, Double.NaN) == 0);
assertTrue(NumberUtils.compare(Double.NaN, Double.POSITIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(Double.NaN, Double.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(Double.NaN, 1.2d) == +1);
assertTrue(NumberUtils.compare(Double.NaN, 0.0d) == +1);
assertTrue(NumberUtils.compare(Double.NaN, -0.0d) == +1);
assertTrue(NumberUtils.compare(Double.NaN, -1.2d) == +1);
assertTrue(NumberUtils.compare(Double.NaN, -Double.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(Double.NaN, Double.NEGATIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(Double.POSITIVE_INFINITY, Double.NaN) == -1);
assertTrue(NumberUtils.compare(Double.POSITIVE_INFINITY, Double.POSITIVE_INFINITY) == 0);
assertTrue(NumberUtils.compare(Double.POSITIVE_INFINITY, Double.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(Double.POSITIVE_INFINITY, 1.2d) == +1);
assertTrue(NumberUtils.compare(Double.POSITIVE_INFINITY, 0.0d) == +1);
assertTrue(NumberUtils.compare(Double.POSITIVE_INFINITY, -0.0d) == +1);
assertTrue(NumberUtils.compare(Double.POSITIVE_INFINITY, -1.2d) == +1);
assertTrue(NumberUtils.compare(Double.POSITIVE_INFINITY, -Double.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(Double.POSITIVE_INFINITY, Double.NEGATIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(Double.MAX_VALUE, Double.NaN) == -1);
assertTrue(NumberUtils.compare(Double.MAX_VALUE, Double.POSITIVE_INFINITY) == -1);
assertTrue(NumberUtils.compare(Double.MAX_VALUE, Double.MAX_VALUE) == 0);
assertTrue(NumberUtils.compare(Double.MAX_VALUE, 1.2d) == +1);
assertTrue(NumberUtils.compare(Double.MAX_VALUE, 0.0d) == +1);
assertTrue(NumberUtils.compare(Double.MAX_VALUE, -0.0d) == +1);
assertTrue(NumberUtils.compare(Double.MAX_VALUE, -1.2d) == +1);
assertTrue(NumberUtils.compare(Double.MAX_VALUE, -Double.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(Double.MAX_VALUE, Double.NEGATIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(1.2d, Double.NaN) == -1);
assertTrue(NumberUtils.compare(1.2d, Double.POSITIVE_INFINITY) == -1);
assertTrue(NumberUtils.compare(1.2d, Double.MAX_VALUE) == -1);
assertTrue(NumberUtils.compare(1.2d, 1.2d) == 0);
assertTrue(NumberUtils.compare(1.2d, 0.0d) == +1);
assertTrue(NumberUtils.compare(1.2d, -0.0d) == +1);
assertTrue(NumberUtils.compare(1.2d, -1.2d) == +1);
assertTrue(NumberUtils.compare(1.2d, -Double.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(1.2d, Double.NEGATIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(0.0d, Double.NaN) == -1);
assertTrue(NumberUtils.compare(0.0d, Double.POSITIVE_INFINITY) == -1);
assertTrue(NumberUtils.compare(0.0d, Double.MAX_VALUE) == -1);
assertTrue(NumberUtils.compare(0.0d, 1.2d) == -1);
assertTrue(NumberUtils.compare(0.0d, 0.0d) == 0);
assertTrue(NumberUtils.compare(0.0d, -0.0d) == +1);
assertTrue(NumberUtils.compare(0.0d, -1.2d) == +1);
assertTrue(NumberUtils.compare(0.0d, -Double.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(0.0d, Double.NEGATIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(-0.0d, Double.NaN) == -1);
assertTrue(NumberUtils.compare(-0.0d, Double.POSITIVE_INFINITY) == -1);
assertTrue(NumberUtils.compare(-0.0d, Double.MAX_VALUE) == -1);
assertTrue(NumberUtils.compare(-0.0d, 1.2d) == -1);
assertTrue(NumberUtils.compare(-0.0d, 0.0d) == -1);
assertTrue(NumberUtils.compare(-0.0d, -0.0d) == 0);
assertTrue(NumberUtils.compare(-0.0d, -1.2d) == +1);
assertTrue(NumberUtils.compare(-0.0d, -Double.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(-0.0d, Double.NEGATIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(-1.2d, Double.NaN) == -1);
assertTrue(NumberUtils.compare(-1.2d, Double.POSITIVE_INFINITY) == -1);
assertTrue(NumberUtils.compare(-1.2d, Double.MAX_VALUE) == -1);
assertTrue(NumberUtils.compare(-1.2d, 1.2d) == -1);
assertTrue(NumberUtils.compare(-1.2d, 0.0d) == -1);
assertTrue(NumberUtils.compare(-1.2d, -0.0d) == -1);
assertTrue(NumberUtils.compare(-1.2d, -1.2d) == 0);
assertTrue(NumberUtils.compare(-1.2d, -Double.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(-1.2d, Double.NEGATIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(-Double.MAX_VALUE, Double.NaN) == -1);
assertTrue(NumberUtils.compare(-Double.MAX_VALUE, Double.POSITIVE_INFINITY) == -1);
assertTrue(NumberUtils.compare(-Double.MAX_VALUE, Double.MAX_VALUE) == -1);
assertTrue(NumberUtils.compare(-Double.MAX_VALUE, 1.2d) == -1);
assertTrue(NumberUtils.compare(-Double.MAX_VALUE, 0.0d) == -1);
assertTrue(NumberUtils.compare(-Double.MAX_VALUE, -0.0d) == -1);
assertTrue(NumberUtils.compare(-Double.MAX_VALUE, -1.2d) == -1);
assertTrue(NumberUtils.compare(-Double.MAX_VALUE, -Double.MAX_VALUE) == 0);
assertTrue(NumberUtils.compare(-Double.MAX_VALUE, Double.NEGATIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(Double.NEGATIVE_INFINITY, Double.NaN) == -1);
assertTrue(NumberUtils.compare(Double.NEGATIVE_INFINITY, Double.POSITIVE_INFINITY) == -1);
assertTrue(NumberUtils.compare(Double.NEGATIVE_INFINITY, Double.MAX_VALUE) == -1);
assertTrue(NumberUtils.compare(Double.NEGATIVE_INFINITY, 1.2d) == -1);
assertTrue(NumberUtils.compare(Double.NEGATIVE_INFINITY, 0.0d) == -1);
assertTrue(NumberUtils.compare(Double.NEGATIVE_INFINITY, -0.0d) == -1);
assertTrue(NumberUtils.compare(Double.NEGATIVE_INFINITY, -1.2d) == -1);
assertTrue(NumberUtils.compare(Double.NEGATIVE_INFINITY, -Double.MAX_VALUE) == -1);
assertTrue(NumberUtils.compare(Double.NEGATIVE_INFINITY, Double.NEGATIVE_INFINITY) == 0);
}
public void testCompareFloat() {
assertTrue(NumberUtils.compare(Float.NaN, Float.NaN) == 0);
assertTrue(NumberUtils.compare(Float.NaN, Float.POSITIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(Float.NaN, Float.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(Float.NaN, 1.2f) == +1);
assertTrue(NumberUtils.compare(Float.NaN, 0.0f) == +1);
assertTrue(NumberUtils.compare(Float.NaN, -0.0f) == +1);
assertTrue(NumberUtils.compare(Float.NaN, -1.2f) == +1);
assertTrue(NumberUtils.compare(Float.NaN, -Float.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(Float.NaN, Float.NEGATIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(Float.POSITIVE_INFINITY, Float.NaN) == -1);
assertTrue(NumberUtils.compare(Float.POSITIVE_INFINITY, Float.POSITIVE_INFINITY) == 0);
assertTrue(NumberUtils.compare(Float.POSITIVE_INFINITY, Float.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(Float.POSITIVE_INFINITY, 1.2f) == +1);
assertTrue(NumberUtils.compare(Float.POSITIVE_INFINITY, 0.0f) == +1);
assertTrue(NumberUtils.compare(Float.POSITIVE_INFINITY, -0.0f) == +1);
assertTrue(NumberUtils.compare(Float.POSITIVE_INFINITY, -1.2f) == +1);
assertTrue(NumberUtils.compare(Float.POSITIVE_INFINITY, -Float.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(Float.POSITIVE_INFINITY, Float.NEGATIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(Float.MAX_VALUE, Float.NaN) == -1);
assertTrue(NumberUtils.compare(Float.MAX_VALUE, Float.POSITIVE_INFINITY) == -1);
assertTrue(NumberUtils.compare(Float.MAX_VALUE, Float.MAX_VALUE) == 0);
assertTrue(NumberUtils.compare(Float.MAX_VALUE, 1.2f) == +1);
assertTrue(NumberUtils.compare(Float.MAX_VALUE, 0.0f) == +1);
assertTrue(NumberUtils.compare(Float.MAX_VALUE, -0.0f) == +1);
assertTrue(NumberUtils.compare(Float.MAX_VALUE, -1.2f) == +1);
assertTrue(NumberUtils.compare(Float.MAX_VALUE, -Float.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(Float.MAX_VALUE, Float.NEGATIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(1.2f, Float.NaN) == -1);
assertTrue(NumberUtils.compare(1.2f, Float.POSITIVE_INFINITY) == -1);
assertTrue(NumberUtils.compare(1.2f, Float.MAX_VALUE) == -1);
assertTrue(NumberUtils.compare(1.2f, 1.2f) == 0);
assertTrue(NumberUtils.compare(1.2f, 0.0f) == +1);
assertTrue(NumberUtils.compare(1.2f, -0.0f) == +1);
assertTrue(NumberUtils.compare(1.2f, -1.2f) == +1);
assertTrue(NumberUtils.compare(1.2f, -Float.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(1.2f, Float.NEGATIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(0.0f, Float.NaN) == -1);
assertTrue(NumberUtils.compare(0.0f, Float.POSITIVE_INFINITY) == -1);
assertTrue(NumberUtils.compare(0.0f, Float.MAX_VALUE) == -1);
assertTrue(NumberUtils.compare(0.0f, 1.2f) == -1);
assertTrue(NumberUtils.compare(0.0f, 0.0f) == 0);
assertTrue(NumberUtils.compare(0.0f, -0.0f) == +1);
assertTrue(NumberUtils.compare(0.0f, -1.2f) == +1);
assertTrue(NumberUtils.compare(0.0f, -Float.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(0.0f, Float.NEGATIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(-0.0f, Float.NaN) == -1);
assertTrue(NumberUtils.compare(-0.0f, Float.POSITIVE_INFINITY) == -1);
assertTrue(NumberUtils.compare(-0.0f, Float.MAX_VALUE) == -1);
assertTrue(NumberUtils.compare(-0.0f, 1.2f) == -1);
assertTrue(NumberUtils.compare(-0.0f, 0.0f) == -1);
assertTrue(NumberUtils.compare(-0.0f, -0.0f) == 0);
assertTrue(NumberUtils.compare(-0.0f, -1.2f) == +1);
assertTrue(NumberUtils.compare(-0.0f, -Float.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(-0.0f, Float.NEGATIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(-1.2f, Float.NaN) == -1);
assertTrue(NumberUtils.compare(-1.2f, Float.POSITIVE_INFINITY) == -1);
assertTrue(NumberUtils.compare(-1.2f, Float.MAX_VALUE) == -1);
assertTrue(NumberUtils.compare(-1.2f, 1.2f) == -1);
assertTrue(NumberUtils.compare(-1.2f, 0.0f) == -1);
assertTrue(NumberUtils.compare(-1.2f, -0.0f) == -1);
assertTrue(NumberUtils.compare(-1.2f, -1.2f) == 0);
assertTrue(NumberUtils.compare(-1.2f, -Float.MAX_VALUE) == +1);
assertTrue(NumberUtils.compare(-1.2f, Float.NEGATIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(-Float.MAX_VALUE, Float.NaN) == -1);
assertTrue(NumberUtils.compare(-Float.MAX_VALUE, Float.POSITIVE_INFINITY) == -1);
assertTrue(NumberUtils.compare(-Float.MAX_VALUE, Float.MAX_VALUE) == -1);
assertTrue(NumberUtils.compare(-Float.MAX_VALUE, 1.2f) == -1);
assertTrue(NumberUtils.compare(-Float.MAX_VALUE, 0.0f) == -1);
assertTrue(NumberUtils.compare(-Float.MAX_VALUE, -0.0f) == -1);
assertTrue(NumberUtils.compare(-Float.MAX_VALUE, -1.2f) == -1);
assertTrue(NumberUtils.compare(-Float.MAX_VALUE, -Float.MAX_VALUE) == 0);
assertTrue(NumberUtils.compare(-Float.MAX_VALUE, Float.NEGATIVE_INFINITY) == +1);
assertTrue(NumberUtils.compare(Float.NEGATIVE_INFINITY, Float.NaN) == -1);
assertTrue(NumberUtils.compare(Float.NEGATIVE_INFINITY, Float.POSITIVE_INFINITY) == -1);
assertTrue(NumberUtils.compare(Float.NEGATIVE_INFINITY, Float.MAX_VALUE) == -1);
assertTrue(NumberUtils.compare(Float.NEGATIVE_INFINITY, 1.2f) == -1);
assertTrue(NumberUtils.compare(Float.NEGATIVE_INFINITY, 0.0f) == -1);
assertTrue(NumberUtils.compare(Float.NEGATIVE_INFINITY, -0.0f) == -1);
assertTrue(NumberUtils.compare(Float.NEGATIVE_INFINITY, -1.2f) == -1);
assertTrue(NumberUtils.compare(Float.NEGATIVE_INFINITY, -Float.MAX_VALUE) == -1);
assertTrue(NumberUtils.compare(Float.NEGATIVE_INFINITY, Float.NEGATIVE_INFINITY) == 0);
}
public void testIsDigits() {
assertEquals("isDigits(null) failed", false, NumberUtils.isDigits(null));
assertEquals("isDigits('') failed", false, NumberUtils.isDigits(""));
assertEquals("isDigits(String) failed", true, NumberUtils.isDigits("12345"));
assertEquals("isDigits(String) neg 1 failed", false, NumberUtils.isDigits("1234.5"));
assertEquals("isDigits(String) neg 3 failed", false, NumberUtils.isDigits("1ab"));
assertEquals("isDigits(String) neg 4 failed", false, NumberUtils.isDigits("abc"));
}
/**
* Tests isNumber(String) and tests that createNumber(String) returns
* a valid number iff isNumber(String) returns false.
*/
public void testIsNumber() {
String val = "12345";
assertTrue("isNumber(String) 1 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 1 failed", checkCreateNumber(val));
val = "1234.5";
assertTrue("isNumber(String) 2 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 2 failed", checkCreateNumber(val));
val = ".12345";
assertTrue("isNumber(String) 3 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 3 failed", checkCreateNumber(val));
val = "1234E5";
assertTrue("isNumber(String) 4 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 4 failed", checkCreateNumber(val));
val = "1234E+5";
assertTrue("isNumber(String) 5 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 5 failed", checkCreateNumber(val));
val = "1234E-5";
assertTrue("isNumber(String) 6 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 6 failed", checkCreateNumber(val));
val = "123.4E5";
assertTrue("isNumber(String) 7 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 7 failed", checkCreateNumber(val));
val = "-1234";
assertTrue("isNumber(String) 8 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 8 failed", checkCreateNumber(val));
val = "-1234.5";
assertTrue("isNumber(String) 9 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 9 failed", checkCreateNumber(val));
val = "-.12345";
assertTrue("isNumber(String) 10 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 10 failed", checkCreateNumber(val));
val = "-1234E5";
assertTrue("isNumber(String) 11 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 11 failed", checkCreateNumber(val));
val = "0";
assertTrue("isNumber(String) 12 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 12 failed", checkCreateNumber(val));
val = "-0";
assertTrue("isNumber(String) 13 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 13 failed", checkCreateNumber(val));
val = "01234";
assertTrue("isNumber(String) 14 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 14 failed", checkCreateNumber(val));
val = "-01234";
assertTrue("isNumber(String) 15 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 15 failed", checkCreateNumber(val));
val = "0xABC123";
assertTrue("isNumber(String) 16 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 16 failed", checkCreateNumber(val));
val = "0x0";
assertTrue("isNumber(String) 17 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 17 failed", checkCreateNumber(val));
val = "123.4E21D";
assertTrue("isNumber(String) 19 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 19 failed", checkCreateNumber(val));
val = "-221.23F";
assertTrue("isNumber(String) 20 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 20 failed", checkCreateNumber(val));
val = "22338L";
assertTrue("isNumber(String) 21 failed", NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 21 failed", checkCreateNumber(val));
val = null;
assertTrue("isNumber(String) 1 Neg failed", !NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 1 Neg failed", !checkCreateNumber(val));
val = "";
assertTrue("isNumber(String) 2 Neg failed", !NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 2 Neg failed", !checkCreateNumber(val));
val = "--2.3";
assertTrue("isNumber(String) 3 Neg failed", !NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 3 Neg failed", !checkCreateNumber(val));
val = ".12.3";
assertTrue("isNumber(String) 4 Neg failed", !NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 4 Neg failed", !checkCreateNumber(val));
val = "-123E";
assertTrue("isNumber(String) 5 Neg failed", !NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 5 Neg failed", !checkCreateNumber(val));
val = "-123E+-212";
assertTrue("isNumber(String) 6 Neg failed", !NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 6 Neg failed", !checkCreateNumber(val));
val = "-123E2.12";
assertTrue("isNumber(String) 7 Neg failed", !NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 7 Neg failed", !checkCreateNumber(val));
val = "0xGF";
assertTrue("isNumber(String) 8 Neg failed", !NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 8 Neg failed", !checkCreateNumber(val));
val = "0xFAE-1";
assertTrue("isNumber(String) 9 Neg failed", !NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 9 Neg failed", !checkCreateNumber(val));
val = ".";
assertTrue("isNumber(String) 10 Neg failed", !NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 10 Neg failed", !checkCreateNumber(val));
val = "-0ABC123";
assertTrue("isNumber(String) 11 Neg failed", !NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 11 Neg failed", !checkCreateNumber(val));
val = "123.4E-D";
assertTrue("isNumber(String) 12 Neg failed", !NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 12 Neg failed", !checkCreateNumber(val));
val = "123.4ED";
assertTrue("isNumber(String) 13 Neg failed", !NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 13 Neg failed", !checkCreateNumber(val));
val = "1234E5l";
assertTrue("isNumber(String) 14 Neg failed", !NumberUtils.isNumber(val));
assertTrue("isNumber(String)/createNumber(String) 14 Neg failed", !checkCreateNumber(val));
}
private boolean checkCreateNumber(String val) {
try {
Object obj = NumberUtils.createNumber(val);
if(obj == null) {
return false;
}
return true;
} catch (NumberFormatException e) {
return false;
} catch (NullPointerException e) {
return false;
}
}
}