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Posted to commits@commons.apache.org by ba...@apache.org on 2009/11/06 12:45:39 UTC
svn commit: r833358 - in /commons/proper/lang/trunk/src:
java/org/apache/commons/lang/Range.java
test/org/apache/commons/lang/RangeTest.java
Author: bayard
Date: Fri Nov 6 11:45:38 2009
New Revision: 833358
URL: http://svn.apache.org/viewvc?rev=833358&view=rev
Log:
Adding more tests, plus a rename of lessThan to elementBefore; greaterThan to elementAfter and bugfix so the new code works - LANG-551
Modified:
commons/proper/lang/trunk/src/java/org/apache/commons/lang/Range.java
commons/proper/lang/trunk/src/test/org/apache/commons/lang/RangeTest.java
Modified: commons/proper/lang/trunk/src/java/org/apache/commons/lang/Range.java
URL: http://svn.apache.org/viewvc/commons/proper/lang/trunk/src/java/org/apache/commons/lang/Range.java?rev=833358&r1=833357&r2=833358&view=diff
==============================================================================
--- commons/proper/lang/trunk/src/java/org/apache/commons/lang/Range.java (original)
+++ commons/proper/lang/trunk/src/java/org/apache/commons/lang/Range.java Fri Nov 6 11:45:38 2009
@@ -160,7 +160,6 @@
*
* @param element the element to test, may be <code>null</code>
* @return <code>true</code> if the specified element occurs within this range
- * @throws IllegalArgumentException if the <code>Number</code> cannot be compared
*/
public boolean contains(T element) {
if(element == null) {
@@ -169,20 +168,32 @@
return (comparator.compare(element, getMinimum()) > -1) && (comparator.compare(element, getMaximum()) < 1);
}
- public boolean lessThan(T element) {
+ /**
+ * <p>Tests whether the specified element occurs before this range.</p>
+ *
+ * @param element the element to test
+ * @return <code>true</code> if the specified element occurs before this range
+ */
+ public boolean elementBefore(T element) {
if (element == null) {
- return false;
+ return false; // ??
}
- return this.comparator.compare(getMinimum(), element) < 1;
+ return this.comparator.compare(element, getMinimum()) < 0;
}
- public boolean greaterThan(T element) {
+ /**
+ * <p>Tests whether the specified element occurs after this range.</p>
+ *
+ * @param element the element to test
+ * @return <code>true</code> if the specified element occurs after this range
+ */
+ public boolean elementAfter(T element) {
if (element == null) {
- return false;
+ return false; // ??
}
- return this.comparator.compare(getMaximum(), element) > -1;
+ return this.comparator.compare(element, getMaximum()) > 0;
}
// Range tests
Modified: commons/proper/lang/trunk/src/test/org/apache/commons/lang/RangeTest.java
URL: http://svn.apache.org/viewvc/commons/proper/lang/trunk/src/test/org/apache/commons/lang/RangeTest.java?rev=833358&r1=833357&r2=833358&view=diff
==============================================================================
--- commons/proper/lang/trunk/src/test/org/apache/commons/lang/RangeTest.java (original)
+++ commons/proper/lang/trunk/src/test/org/apache/commons/lang/RangeTest.java Fri Nov 6 11:45:38 2009
@@ -51,9 +51,6 @@
doubleRange = new Range<Double>((double) 10, (double) 20);
}
- /**
- * Test method for 'org.apache.commons.lang.Range.equals(Object)'
- */
public void testEqualsObject() {
assertEquals(byteRange, byteRange);
assertEquals(byteRange, byteRange2);
@@ -66,22 +63,25 @@
assertFalse(byteRange2.equals("Ni!"));
}
- /**
- * Test method for 'org.apache.commons.lang.Range.hashCode()'
- */
public void testHashCode() {
assertEquals(byteRange.hashCode(), byteRange2.hashCode());
assertFalse(byteRange.hashCode() == byteRange3.hashCode());
+
+ assertEquals(intRange.hashCode(), intRange.hashCode());
+ assertTrue(intRange.hashCode() != 0);
}
- /**
- * Test method for 'org.apache.commons.lang.Range.toString()'
- */
public void testToString() {
assertNotNull(byteRange.toString());
+
+ String str = intRange.toString();
+ assertEquals("Range[10,20]", str);
+// assertSame(str, intRange.toString()); // no longer passes - does it matter?
+ assertEquals("Range[-20,-10]", new Range<Integer>(-20, -10).toString());
}
// --------------------------------------------------------------------------
+
public void testGetMinimum() {
assertEquals(10, (int) intRange.getMinimum());
assertEquals(10L, (long) longRange.getMinimum());
@@ -106,6 +106,28 @@
assertFalse(intRange.contains(25));
}
+ public void testElementBefore() {
+ assertFalse(intRange.elementBefore(null));
+
+ assertTrue(intRange.elementBefore(5));
+ assertFalse(intRange.elementBefore(10));
+ assertFalse(intRange.elementBefore(15));
+ assertFalse(intRange.elementBefore(20));
+ assertFalse(intRange.elementBefore(25));
+ }
+
+ public void testElementAfter() {
+ assertFalse(intRange.elementAfter(null));
+
+ assertFalse(intRange.elementAfter(5));
+ assertFalse(intRange.elementAfter(10));
+ assertFalse(intRange.elementAfter(15));
+ assertFalse(intRange.elementAfter(20));
+ assertTrue(intRange.elementAfter(25));
+ }
+
+ // --------------------------------------------------------------------------
+
public void testContainsRange() {
// null handling
@@ -138,4 +160,36 @@
}
+ public void testOverlapsRange() {
+
+ // null handling
+ assertFalse(intRange.overlapsRange(null));
+
+ // easy inside range
+ assertTrue(intRange.overlapsRange(new Range(12, 18)));
+
+ // outside range on each side
+ assertFalse(intRange.overlapsRange(new Range(32, 45)));
+ assertFalse(intRange.overlapsRange(new Range(2, 8)));
+
+ // equals range
+ assertTrue(intRange.overlapsRange(new Range(10, 20)));
+
+ // overlaps
+ assertTrue(intRange.overlapsRange(new Range(9, 14)));
+ assertTrue(intRange.overlapsRange(new Range(16, 21)));
+
+ // touches lower boundary
+ assertTrue(intRange.overlapsRange(new Range(10, 19)));
+ assertTrue(intRange.overlapsRange(new Range(10, 21)));
+
+ // touches upper boundary
+ assertTrue(intRange.overlapsRange(new Range(11, 20)));
+ assertTrue(intRange.overlapsRange(new Range(9, 20)));
+
+ // negative
+ assertFalse(intRange.overlapsRange(new Range(-11, -18)));
+
+ }
+
}