| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You under the Apache License, Version 2.0 |
| * (the "License"); you may not use this file except in compliance with |
| * the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package org.apache.commons.lang; |
| |
| 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> |
| * @author Eric Pugh |
| * @author Phil Steitz |
| * @author Stephen Colebourne |
| * @version $Id$ |
| */ |
| 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 BigInteger(Long.MAX_VALUE + "0"), NumberUtils.createNumber(Long.MAX_VALUE + "0L")); |
| assertEquals("createNumber(String) 7 failed", new Long(12345), NumberUtils.createNumber("12345L")); |
| assertEquals("createNumber(String) 8 failed", new Float("-1234.5"), NumberUtils.createNumber("-1234.5")); |
| assertEquals("createNumber(String) 9 failed", new Integer("-12345"), NumberUtils.createNumber("-12345")); |
| assertTrue("createNumber(String) 10 failed", 0xFADE == NumberUtils.createNumber("0xFADE").intValue()); |
| assertTrue("createNumber(String) 11 failed", -0xFADE == NumberUtils.createNumber("-0xFADE").intValue()); |
| assertEquals("createNumber(String) 12 failed", new Double("1.1E200"), NumberUtils.createNumber("1.1E200")); |
| assertEquals("createNumber(String) 13 failed", new Float("1.1E20"), NumberUtils.createNumber("1.1E20")); |
| assertEquals("createNumber(String) 14 failed", new Double("-1.1E200"), NumberUtils.createNumber("-1.1E200")); |
| assertEquals("createNumber(String) 15 failed", new Double("1.1E-200"), NumberUtils.createNumber("1.1E-200")); |
| assertEquals("createNumber(String) 16 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)); |
| val = "11a"; |
| assertTrue("isNumber(String) 15 Neg failed", !NumberUtils.isNumber(val)); |
| assertTrue("isNumber(String)/createNumber(String) 15 Neg failed", !checkCreateNumber(val)); |
| val = "1a"; |
| assertTrue("isNumber(String) 16 Neg failed", !NumberUtils.isNumber(val)); |
| assertTrue("isNumber(String)/createNumber(String) 16 Neg failed", !checkCreateNumber(val)); |
| val = "a"; |
| assertTrue("isNumber(String) 17 Neg failed", !NumberUtils.isNumber(val)); |
| assertTrue("isNumber(String)/createNumber(String) 17 Neg failed", !checkCreateNumber(val)); |
| val = "11g"; |
| assertTrue("isNumber(String) 18 Neg failed", !NumberUtils.isNumber(val)); |
| assertTrue("isNumber(String)/createNumber(String) 18 Neg failed", !checkCreateNumber(val)); |
| val = "11z"; |
| assertTrue("isNumber(String) 19 Neg failed", !NumberUtils.isNumber(val)); |
| assertTrue("isNumber(String)/createNumber(String) 19 Neg failed", !checkCreateNumber(val)); |
| val = "11def"; |
| assertTrue("isNumber(String) 20 Neg failed", !NumberUtils.isNumber(val)); |
| assertTrue("isNumber(String)/createNumber(String) 20 Neg failed", !checkCreateNumber(val)); |
| val = "11d11"; |
| assertTrue("isNumber(String) 21 Neg failed", !NumberUtils.isNumber(val)); |
| assertTrue("isNumber(String)/createNumber(String) 21 Neg failed", !checkCreateNumber(val)); |
| |
| } |
| |
| public void testIsNumberInvalidInput() { |
| String val = "0x"; |
| assertEquals("isNumber() with 0x wasn't false", false, NumberUtils.isNumber(val)); |
| val = "0x3x3"; |
| assertEquals("isNumber() with 0x3x3 wasn't false", false, NumberUtils.isNumber(val)); |
| val = "20EE-3"; |
| assertEquals("isNumber() with 20EE-3 wasn't false", false, NumberUtils.isNumber(val)); |
| val = "2435q"; |
| assertEquals("isNumber() with 2435q wasn't false", false, NumberUtils.isNumber(val)); |
| val = "."; |
| assertEquals("isNumber() with . wasn't false", false, NumberUtils.isNumber(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; |
| } |
| } |
| |
| public void testPublicNoArgConstructor() { |
| try { |
| NumberUtils nu = new NumberUtils(); |
| } catch( Exception e ) { |
| fail( "Error calling public no-arg constructor" ); |
| } |
| } |
| |
| } |
