Author: erans
Date: Thu Dec 1 15:25:19 2011
New Revision: 1209119
URL: http://svn.apache.org/viewvc?rev=1209119&view=rev
Log:
Added a few unit tests.
Modified:
commons/proper/math/trunk/src/test/java/org/apache/commons/math/fraction/FractionFormatTest.java
Modified:
commons/proper/math/trunk/src/test/java/org/apache/commons/math/fraction/FractionFormatTest.java
URL:
http://svn.apache.org/viewvc/commons/proper/math/trunk/src/test/java/org/apache/commons/math/fraction/FractionFormatTest.java?rev=1209119&r1=1209118&r2=1209119&view=diff
==============================================================================
---
commons/proper/math/trunk/src/test/java/org/apache/commons/math/fraction/FractionFormatTest.java
(original)
+++
commons/proper/math/trunk/src/test/java/org/apache/commons/math/fraction/FractionFormatTest.java
Thu Dec 1 15:25:19 2011
@@ -137,6 +137,44 @@ public class FractionFormatTest {
}
@Test
+ public void testParseOne1() {
+ String source = "1 / 1";
+ Fraction c = properFormat.parse(source);
+ Assert.assertNotNull(c);
+ Assert.assertEquals(1, c.getNumerator());
+ Assert.assertEquals(1, c.getDenominator());
+ }
+
+ @Test
+ public void testParseOne2() {
+ String source = "10 / 10";
+ Fraction c = properFormat.parse(source);
+ Assert.assertNotNull(c);
+ Assert.assertEquals(1, c.getNumerator());
+ Assert.assertEquals(1, c.getDenominator());
+ }
+
+ @Test
+ public void testParseZero1() {
+ String source = "0 / 1";
+ Fraction c = properFormat.parse(source);
+ Assert.assertNotNull(c);
+ Assert.assertEquals(0, c.getNumerator());
+ Assert.assertEquals(1, c.getDenominator());
+ }
+
+ @Test
+ public void testParseZero2() {
+ String source = "-0 / 1";
+ Fraction c = properFormat.parse(source);
+ Assert.assertNotNull(c);
+ Assert.assertEquals(0, c.getNumerator());
+ Assert.assertEquals(1, c.getDenominator());
+ // This test shows that the sign is not preserved.
+ Assert.assertEquals(Double.POSITIVE_INFINITY, 1d / c.doubleValue(), 0);
+ }
+
+ @Test
public void testParseInvalid() {
String source = "a";
String msg = "should not be able to parse '10 / a'.";