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junit4ify NumberUtilstest
git-svn-id: https://svn.apache.org/repos/asf/commons/proper/lang/trunk@1147528 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Matthew Jason Benson
parent
b46f9adc0b
commit
2b0b97178b
@ -17,28 +17,26 @@
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package org.apache.commons.lang3.math;
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import static org.apache.commons.lang3.JavaVersion.JAVA_1_3;
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import static org.junit.Assert.*;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.Modifier;
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import java.math.BigDecimal;
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import java.math.BigInteger;
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import junit.framework.TestCase;
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import org.apache.commons.lang3.SystemUtils;
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import org.junit.Test;
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/**
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* Unit tests {@link org.apache.commons.lang3.math.NumberUtils}.
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*
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* @version $Id$
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*/
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public class NumberUtilsTest extends TestCase {
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public NumberUtilsTest(String name) {
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super(name);
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}
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public class NumberUtilsTest {
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//-----------------------------------------------------------------------
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@Test
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public void testConstructor() {
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assertNotNull(new NumberUtils());
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Constructor<?>[] cons = NumberUtils.class.getDeclaredConstructors();
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@ -53,6 +51,7 @@ public void testConstructor() {
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/**
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* Test for {@link NumberUtils#toInt(String)}.
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*/
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@Test
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public void testToIntString() {
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assertTrue("toInt(String) 1 failed", NumberUtils.toInt("12345") == 12345);
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assertTrue("toInt(String) 2 failed", NumberUtils.toInt("abc") == 0);
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@ -63,6 +62,7 @@ public void testToIntString() {
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/**
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* Test for {@link NumberUtils#toInt(String, int)}.
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*/
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@Test
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public void testToIntStringI() {
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assertTrue("toInt(String,int) 1 failed", NumberUtils.toInt("12345", 5) == 12345);
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assertTrue("toInt(String,int) 2 failed", NumberUtils.toInt("1234.5", 5) == 5);
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@ -71,6 +71,7 @@ public void testToIntStringI() {
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/**
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* Test for {@link NumberUtils#toLong(String)}.
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*/
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@Test
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public void testToLongString() {
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assertTrue("toLong(String) 1 failed", NumberUtils.toLong("12345") == 12345l);
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assertTrue("toLong(String) 2 failed", NumberUtils.toLong("abc") == 0l);
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@ -85,6 +86,7 @@ public void testToLongString() {
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/**
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* Test for {@link NumberUtils#toLong(String, long)}.
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*/
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@Test
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public void testToLongStringL() {
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assertTrue("toLong(String,long) 1 failed", NumberUtils.toLong("12345", 5l) == 12345l);
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assertTrue("toLong(String,long) 2 failed", NumberUtils.toLong("1234.5", 5l) == 5l);
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@ -93,6 +95,7 @@ public void testToLongStringL() {
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/**
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* Test for {@link NumberUtils#toFloat(String)}.
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*/
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@Test
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public void testToFloatString() {
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assertTrue("toFloat(String) 1 failed", NumberUtils.toFloat("-1.2345") == -1.2345f);
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assertTrue("toFloat(String) 2 failed", NumberUtils.toFloat("1.2345") == 1.2345f);
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@ -106,6 +109,7 @@ public void testToFloatString() {
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/**
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* Test for {@link NumberUtils#toFloat(String, float)}.
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*/
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@Test
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public void testToFloatStringF() {
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assertTrue("toFloat(String,int) 1 failed", NumberUtils.toFloat("1.2345", 5.1f) == 1.2345f);
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assertTrue("toFloat(String,int) 2 failed", NumberUtils.toFloat("a", 5.0f) == 5.0f);
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@ -114,6 +118,7 @@ public void testToFloatStringF() {
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/**
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* Test for {@link NumberUtils#toDouble(String)}.
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*/
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@Test
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public void testStringToDoubleString() {
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assertTrue("toDouble(String) 1 failed", NumberUtils.toDouble("-1.2345") == -1.2345d);
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assertTrue("toDouble(String) 2 failed", NumberUtils.toDouble("1.2345") == 1.2345d);
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@ -127,6 +132,7 @@ public void testStringToDoubleString() {
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/**
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* Test for {@link NumberUtils#toDouble(String, double)}.
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*/
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@Test
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public void testStringToDoubleStringD() {
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assertTrue("toDouble(String,int) 1 failed", NumberUtils.toDouble("1.2345", 5.1d) == 1.2345d);
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assertTrue("toDouble(String,int) 2 failed", NumberUtils.toDouble("a", 5.0d) == 5.0d);
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@ -135,6 +141,7 @@ public void testStringToDoubleStringD() {
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/**
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* Test for {@link NumberUtils#toByte(String)}.
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*/
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@Test
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public void testToByteString() {
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assertTrue("toByte(String) 1 failed", NumberUtils.toByte("123") == 123);
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assertTrue("toByte(String) 2 failed", NumberUtils.toByte("abc") == 0);
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@ -145,6 +152,7 @@ public void testToByteString() {
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/**
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* Test for {@link NumberUtils#toByte(String, byte)}.
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*/
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@Test
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public void testToByteStringI() {
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assertTrue("toByte(String,byte) 1 failed", NumberUtils.toByte("123", (byte) 5) == 123);
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assertTrue("toByte(String,byte) 2 failed", NumberUtils.toByte("12.3", (byte) 5) == 5);
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@ -153,6 +161,7 @@ public void testToByteStringI() {
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/**
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* Test for {@link NumberUtils#toShort(String)}.
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*/
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@Test
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public void testToShortString() {
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assertTrue("toShort(String) 1 failed", NumberUtils.toShort("12345") == 12345);
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assertTrue("toShort(String) 2 failed", NumberUtils.toShort("abc") == 0);
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@ -163,11 +172,13 @@ public void testToShortString() {
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/**
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* Test for {@link NumberUtils#toShort(String, short)}.
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*/
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@Test
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public void testToShortStringI() {
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assertTrue("toShort(String,short) 1 failed", NumberUtils.toShort("12345", (short) 5) == 12345);
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assertTrue("toShort(String,short) 2 failed", NumberUtils.toShort("1234.5", (short) 5) == 5);
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}
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@Test
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public void testCreateNumber() {
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// a lot of things can go wrong
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assertEquals("createNumber(String) 1 failed", new Float("1234.5"), NumberUtils.createNumber("1234.5"));
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@ -215,6 +226,7 @@ public void testCreateNumber() {
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.createNumber("" + Double.MAX_VALUE));
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}
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@Test
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public void testCreateFloat() {
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assertEquals("createFloat(String) failed", new Float("1234.5"), NumberUtils.createFloat("1234.5"));
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assertEquals("createFloat(null) failed", null, NumberUtils.createFloat(null));
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@ -234,6 +246,7 @@ protected void testCreateFloatFailure(String str) {
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}
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}
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@Test
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public void testCreateDouble() {
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assertEquals("createDouble(String) failed", new Double("1234.5"), NumberUtils.createDouble("1234.5"));
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assertEquals("createDouble(null) failed", null, NumberUtils.createDouble(null));
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@ -253,6 +266,7 @@ protected void testCreateDoubleFailure(String str) {
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}
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}
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@Test
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public void testCreateInteger() {
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assertEquals("createInteger(String) failed", new Integer("12345"), NumberUtils.createInteger("12345"));
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assertEquals("createInteger(null) failed", null, NumberUtils.createInteger(null));
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@ -272,6 +286,7 @@ protected void testCreateIntegerFailure(String str) {
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}
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}
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@Test
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public void testCreateLong() {
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assertEquals("createLong(String) failed", new Long("12345"), NumberUtils.createLong("12345"));
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assertEquals("createLong(null) failed", null, NumberUtils.createLong(null));
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@ -291,6 +306,7 @@ protected void testCreateLongFailure(String str) {
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}
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}
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@Test
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public void testCreateBigInteger() {
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assertEquals("createBigInteger(String) failed", new BigInteger("12345"), NumberUtils.createBigInteger("12345"));
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assertEquals("createBigInteger(null) failed", null, NumberUtils.createBigInteger(null));
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@ -310,6 +326,7 @@ protected void testCreateBigIntegerFailure(String str) {
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}
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}
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@Test
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public void testCreateBigDecimal() {
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assertEquals("createBigDecimal(String) failed", new BigDecimal("1234.5"), NumberUtils.createBigDecimal("1234.5"));
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assertEquals("createBigDecimal(null) failed", null, NumberUtils.createBigDecimal(null));
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@ -331,6 +348,7 @@ protected void testCreateBigDecimalFailure(String str) {
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// min/max tests
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// ----------------------------------------------------------------------
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@Test
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public void testMinLong() {
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final long[] l = null;
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try {
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@ -357,6 +375,7 @@ public void testMinLong() {
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assertEquals(-10, NumberUtils.min(new long[] { -5, 0, -10, 5, 10 }));
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}
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@Test
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public void testMinInt() {
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final int[] i = null;
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try {
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@ -383,6 +402,7 @@ public void testMinInt() {
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assertEquals(-10, NumberUtils.min(new int[] { -5, 0, -10, 5, 10 }));
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}
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@Test
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public void testMinShort() {
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final short[] s = null;
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try {
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@ -409,6 +429,7 @@ public void testMinShort() {
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assertEquals(-10, NumberUtils.min(new short[] { -5, 0, -10, 5, 10 }));
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}
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@Test
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public void testMinByte() {
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final byte[] b = null;
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try {
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@ -435,6 +456,7 @@ public void testMinByte() {
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assertEquals(-10, NumberUtils.min(new byte[] { -5, 0, -10, 5, 10 }));
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}
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@Test
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public void testMinDouble() {
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final double[] d = null;
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try {
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@ -468,6 +490,7 @@ public void testMinDouble() {
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assertEquals(-10, NumberUtils.min(new double[] { -5, 0, -10, 5, 10 }), 0.0001);
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}
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@Test
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public void testMinFloat() {
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final float[] f = null;
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try {
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@ -501,6 +524,7 @@ public void testMinFloat() {
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assertEquals(-10, NumberUtils.min(new float[] { -5, 0, -10, 5, 10 }), 0.0001f);
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}
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@Test
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public void testMaxLong() {
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final long[] l = null;
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try {
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@ -531,6 +555,7 @@ public void testMaxLong() {
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assertEquals(10, NumberUtils.max(new long[] { -5, 0, 10, 5, -10 }));
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}
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@Test
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public void testMaxInt() {
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final int[] i = null;
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try {
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@ -561,6 +586,7 @@ public void testMaxInt() {
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assertEquals(10, NumberUtils.max(new int[] { -5, 0, 10, 5, -10 }));
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}
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@Test
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public void testMaxShort() {
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final short[] s = null;
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try {
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@ -591,6 +617,7 @@ public void testMaxShort() {
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assertEquals(10, NumberUtils.max(new short[] { -5, 0, 10, 5, -10 }));
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}
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@Test
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public void testMaxByte() {
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final byte[] b = null;
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try {
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@ -621,6 +648,7 @@ public void testMaxByte() {
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assertEquals(10, NumberUtils.max(new byte[] { -5, 0, 10, 5, -10 }));
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}
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@Test
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public void testMaxDouble() {
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final double[] d = null;
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try {
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@ -654,6 +682,7 @@ public void testMaxDouble() {
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assertEquals(10, NumberUtils.max(new double[] { -5, 0, 10, 5, -10 }), 0.0001);
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}
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@Test
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public void testMaxFloat() {
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final float[] f = null;
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try {
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@ -687,6 +716,7 @@ public void testMaxFloat() {
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assertEquals(10, NumberUtils.max(new float[] { -5, 0, 10, 5, -10 }), 0.0001f);
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}
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@Test
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public void testMinimumLong() {
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assertEquals("minimum(long,long,long) 1 failed", 12345L, NumberUtils.min(12345L, 12345L + 1L, 12345L + 2L));
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assertEquals("minimum(long,long,long) 2 failed", 12345L, NumberUtils.min(12345L + 1L, 12345L, 12345 + 2L));
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@ -695,6 +725,7 @@ public void testMinimumLong() {
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assertEquals("minimum(long,long,long) 5 failed", 12345L, NumberUtils.min(12345L, 12345L, 12345L));
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}
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@Test
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public void testMinimumInt() {
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assertEquals("minimum(int,int,int) 1 failed", 12345, NumberUtils.min(12345, 12345 + 1, 12345 + 2));
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assertEquals("minimum(int,int,int) 2 failed", 12345, NumberUtils.min(12345 + 1, 12345, 12345 + 2));
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@ -703,6 +734,7 @@ public void testMinimumInt() {
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assertEquals("minimum(int,int,int) 5 failed", 12345, NumberUtils.min(12345, 12345, 12345));
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}
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@Test
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public void testMinimumShort() {
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short low = 1234;
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short mid = 1234 + 1;
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@ -713,6 +745,7 @@ public void testMinimumShort() {
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assertEquals("minimum(short,short,short) 1 failed", low, NumberUtils.min(low, mid, low));
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}
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@Test
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public void testMinimumByte() {
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byte low = 123;
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byte mid = 123 + 1;
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@ -723,6 +756,7 @@ public void testMinimumByte() {
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assertEquals("minimum(byte,byte,byte) 1 failed", low, NumberUtils.min(low, mid, low));
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}
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@Test
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public void testMinimumDouble() {
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double low = 12.3;
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double mid = 12.3 + 1;
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@ -734,6 +768,7 @@ public void testMinimumDouble() {
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assertEquals(mid, NumberUtils.min(high, mid, high), 0.0001);
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}
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@Test
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public void testMinimumFloat() {
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float low = 12.3f;
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float mid = 12.3f + 1;
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@ -745,6 +780,7 @@ public void testMinimumFloat() {
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assertEquals(mid, NumberUtils.min(high, mid, high), 0.0001f);
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}
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@Test
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public void testMaximumLong() {
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assertEquals("maximum(long,long,long) 1 failed", 12345L, NumberUtils.max(12345L, 12345L - 1L, 12345L - 2L));
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assertEquals("maximum(long,long,long) 2 failed", 12345L, NumberUtils.max(12345L - 1L, 12345L, 12345L - 2L));
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@ -753,6 +789,7 @@ public void testMaximumLong() {
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assertEquals("maximum(long,long,long) 5 failed", 12345L, NumberUtils.max(12345L, 12345L, 12345L));
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}
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@Test
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public void testMaximumInt() {
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assertEquals("maximum(int,int,int) 1 failed", 12345, NumberUtils.max(12345, 12345 - 1, 12345 - 2));
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assertEquals("maximum(int,int,int) 2 failed", 12345, NumberUtils.max(12345 - 1, 12345, 12345 - 2));
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@ -761,6 +798,7 @@ public void testMaximumInt() {
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assertEquals("maximum(int,int,int) 5 failed", 12345, NumberUtils.max(12345, 12345, 12345));
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}
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@Test
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public void testMaximumShort() {
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short low = 1234;
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short mid = 1234 + 1;
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@ -771,6 +809,7 @@ public void testMaximumShort() {
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assertEquals("maximum(short,short,short) 1 failed", high, NumberUtils.max(high, mid, high));
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}
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@Test
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public void testMaximumByte() {
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byte low = 123;
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byte mid = 123 + 1;
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@ -781,6 +820,7 @@ public void testMaximumByte() {
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assertEquals("maximum(byte,byte,byte) 1 failed", high, NumberUtils.max(high, mid, high));
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}
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@Test
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public void testMaximumDouble() {
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double low = 12.3;
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double mid = 12.3 + 1;
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@ -792,6 +832,7 @@ public void testMaximumDouble() {
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assertEquals(high, NumberUtils.max(high, mid, high), 0.0001);
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}
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@Test
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public void testMaximumFloat() {
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float low = 12.3f;
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float mid = 12.3f + 1;
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@ -804,6 +845,7 @@ public void testMaximumFloat() {
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}
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// Testing JDK against old Lang functionality
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@Test
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public void testCompareDouble() {
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assertTrue(Double.compare(Double.NaN, Double.NaN) == 0);
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assertTrue(Double.compare(Double.NaN, Double.POSITIVE_INFINITY) == +1);
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@ -896,6 +938,7 @@ public void testCompareDouble() {
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assertTrue(Double.compare(Double.NEGATIVE_INFINITY, Double.NEGATIVE_INFINITY) == 0);
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}
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@Test
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public void testCompareFloat() {
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assertTrue(Float.compare(Float.NaN, Float.NaN) == 0);
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assertTrue(Float.compare(Float.NaN, Float.POSITIVE_INFINITY) == +1);
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@ -988,6 +1031,7 @@ public void testCompareFloat() {
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assertTrue(Float.compare(Float.NEGATIVE_INFINITY, Float.NEGATIVE_INFINITY) == 0);
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}
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@Test
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public void testIsDigits() {
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assertEquals("isDigits(null) failed", false, NumberUtils.isDigits(null));
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assertEquals("isDigits('') failed", false, NumberUtils.isDigits(""));
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@ -1001,6 +1045,7 @@ public void testIsDigits() {
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* Tests isNumber(String) and tests that createNumber(String) returns
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* a valid number iff isNumber(String) returns false.
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*/
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@Test
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public void testIsNumber() {
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String val = "12345";
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assertTrue("isNumber(String) 1 failed", NumberUtils.isNumber(val));
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@ -1157,6 +1202,7 @@ private boolean checkCreateNumber(String val) {
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}
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@SuppressWarnings("cast") // suppress instanceof warning check
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@Test
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public void testConstants() {
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assertTrue(NumberUtils.LONG_ZERO instanceof Long);
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assertTrue(NumberUtils.LONG_ONE instanceof Long);
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@ -1197,12 +1243,14 @@ public void testConstants() {
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assertTrue(NumberUtils.FLOAT_MINUS_ONE.floatValue() == -1.0f);
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}
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@Test
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public void testLang300() {
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NumberUtils.createNumber("-1l");
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NumberUtils.createNumber("01l");
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NumberUtils.createNumber("1l");
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}
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@Test
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public void testLang381() {
|
||||
assertTrue(Double.isNaN(NumberUtils.min(1.2, 2.5, Double.NaN)));
|
||||
assertTrue(Double.isNaN(NumberUtils.max(1.2, 2.5, Double.NaN)));
|
||||
|
||||
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Block a user