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Added tests for the creation of BigInteger from a String, and for catching

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bad input to isNumber.


git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/lang/trunk@137684 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Tim O'Brien 2003-10-11 21:20:24 +00:00
parent 7e81d9ca76
commit 25027ea901
1 changed files with 34 additions and 10 deletions
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44
src/test/org/apache/commons/lang/NumberUtilsTest.java
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@ -68,7 +68,7 @@
* @author Eric Pugh * @author Eric Pugh
* @author Phil Steitz * @author Phil Steitz
* @author Stephen Colebourne * @author Stephen Colebourne
* @version $Id: NumberUtilsTest.java,v 1.9 2003/08/18 02:22:25 bayard Exp $ * @version $Id: NumberUtilsTest.java,v 1.10 2003/10/11 21:20:24 tobrien Exp $
*/ */
public class NumberUtilsTest extends TestCase { public class NumberUtilsTest extends TestCase {
@ -107,15 +107,17 @@ public void testCreateNumber() {
assertEquals("createNumber(String) 3 failed", new Double("1234.5"), NumberUtils.createNumber("1234.5D")); 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) 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) 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) 6 failed", new BigInteger(Long.MAX_VALUE + "0"), NumberUtils.createNumber(Long.MAX_VALUE + "0L"));
assertEquals("createNumber(String) 7 failed", new Float("-1234.5"), NumberUtils.createNumber("-1234.5")); assertEquals("createNumber(String) 7 failed", new Long(12345), NumberUtils.createNumber("12345L"));
assertEquals("createNumber(String) 8 failed", new Integer("-12345"), NumberUtils.createNumber("-12345")); assertEquals("createNumber(String) 8 failed", new Float("-1234.5"), NumberUtils.createNumber("-1234.5"));
assertTrue("createNumber(String) 9 failed", 0xFADE == NumberUtils.createNumber("0xFADE").intValue()); assertEquals("createNumber(String) 9 failed", new Integer("-12345"), NumberUtils.createNumber("-12345"));
assertTrue("createNumber(String) 10 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")); assertTrue("createNumber(String) 11 failed", -0xFADE == NumberUtils.createNumber("-0xFADE").intValue());
assertEquals("createNumber(String) 12 failed", new Float("1.1E20"), NumberUtils.createNumber("1.1E20")); assertEquals("createNumber(String) 12 failed", new Double("1.1E200"), NumberUtils.createNumber("1.1E200"));
assertEquals("createNumber(String) 13 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("1.1E-200"), NumberUtils.createNumber("1.1E-200")); 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 // jdk 1.2 doesn't support this. unsure about jdk 1.2.2
if(SystemUtils.isJavaVersionAtLeast(1.3f)) { if(SystemUtils.isJavaVersionAtLeast(1.3f)) {
@ -519,6 +521,20 @@ public void testIsNumber() {
assertTrue("isNumber(String)/createNumber(String) 21 Neg failed", !checkCreateNumber(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) { private boolean checkCreateNumber(String val) {
try { try {
@ -534,4 +550,12 @@ private boolean checkCreateNumber(String val) {
} }
} }
public void testPublicNoArgConstructor() {
try {
NumberUtils nu = new NumberUtils();
} catch( Exception e ) {
fail( "Error calling public no-arg constructor" );
}
}
} }