Author: psteitz
Date: Mon Aug 29 20:28:42 2005
New Revision: 264689
URL: http://svn.apache.org/viewcvs?rev=264689&view=rev
Log:
Added tests for fraction equals and reduced fraction.
Modified:
jakarta/commons/proper/math/branches/MATH_1_1/src/test/org/apache/commons/math/fraction/FractionTest.java
Modified:
jakarta/commons/proper/math/branches/MATH_1_1/src/test/org/apache/commons/math/fraction/FractionTest.java
URL:
http://svn.apache.org/viewcvs/jakarta/commons/proper/math/branches/MATH_1_1/src/test/org/apache/commons/math/fraction/FractionTest.java?rev=264689&r1=264688&r2=264689&view=diff
==============================================================================
---
jakarta/commons/proper/math/branches/MATH_1_1/src/test/org/apache/commons/math/fraction/FractionTest.java
(original)
+++
jakarta/commons/proper/math/branches/MATH_1_1/src/test/org/apache/commons/math/fraction/FractionTest.java
Mon Aug 29 20:28:42 2005
@@ -412,4 +412,34 @@
fail("expecting ArithmeticException but got: " + f.toString());
} catch (ArithmeticException ex) {}
}
+
+ public void testEqualsAndHashCode() {
+ Fraction zero = new Fraction(0,1);
+ Fraction nullFraction = null;
+ int zeroHash = zero.hashCode();
+ assertTrue( zero.equals(zero));
+ assertFalse(zero.equals(nullFraction));
+ assertFalse(zero.equals(new Double(0)));
+ Fraction zero2 = new Fraction(0,2);
+ assertTrue(zero.equals(zero2));
+ assertEquals(zero.hashCode(), zero2.hashCode());
+ Fraction one = new Fraction(1,1);
+ assertFalse((one.equals(zero) ||zero.equals(one)));
+ }
+
+ public void testGetReducedFraction() {
+ Fraction threeFourths = new Fraction(3, 4);
+ assertTrue(threeFourths.equals(Fraction.getReducedFraction(6, 8)));
+ assertTrue(Fraction.ZERO.equals(Fraction.getReducedFraction(0, -1)));
+ try {
+ Fraction f = Fraction.getReducedFraction(1, 0);
+ fail("expecting ArithmeticException");
+ } catch (ArithmeticException ex) {
+ // expected
+ }
+ assertEquals(Fraction.getReducedFraction
+ (2, Integer.MIN_VALUE).getNumerator(),-1);
+ assertEquals(Fraction.getReducedFraction
+ (1, -1).getNumerator(), -1);
+ }
}
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