psteitz 2004/03/06 16:57:11
Modified: math/src/test/org/apache/commons/math/stat
FrequencyTest.java
Log:
Added test cases corresponding to examples in the User Guide.
Revision Changes Path
1.12 +25 -3
jakarta-commons/math/src/test/org/apache/commons/math/stat/FrequencyTest.java
Index: FrequencyTest.java
===================================================================
RCS file:
/home/cvs/jakarta-commons/math/src/test/org/apache/commons/math/stat/FrequencyTest.java,v
retrieving revision 1.11
retrieving revision 1.12
diff -u -r1.11 -r1.12
--- FrequencyTest.java 21 Feb 2004 21:35:17 -0000 1.11
+++ FrequencyTest.java 7 Mar 2004 00:57:11 -0000 1.12
@@ -69,10 +69,32 @@
assertEquals("zero cumulative frequency", 0, f.getCumFreq(0));
assertEquals("one cumulative frequency", 3, f.getCumFreq(1));
assertEquals("two cumulative frequency", 4, f.getCumFreq(2));
- assertEquals("two cumulative frequency", 4, f.getCumFreq(5));
- assertEquals("two cumulative frequency", 0, f.getCumFreq("foo"));
+ assertEquals("five cumulative frequency", 4, f.getCumFreq(5));
+ assertEquals("foo cumulative frequency", 0, f.getCumFreq("foo"));
+
f.clear();
assertEquals("total count",0,f.getSumFreq());
+
+ // userguide examples
-------------------------------------------------------------------
+ f.addValue("one");
+ f.addValue("One");
+ f.addValue("oNe");
+ f.addValue("Z");
+ assertEquals("one cumulative frequency", 1 , f.getCount("one"));
+ assertEquals("Z cumulative pct", 0.5, f.getCumPct("Z"), tolerance);
+ assertEquals("z cumulative pct", 1.0, f.getCumPct("z"), tolerance);
+ assertEquals("Ot cumulative pct", 0.25, f.getCumPct("Ot"), tolerance);
+ f.clear();
+
+ f = null;
+ f = new Frequency(String.CASE_INSENSITIVE_ORDER);
+ f.addValue("one");
+ f.addValue("One");
+ f.addValue("oNe");
+ f.addValue("Z");
+ assertEquals("one count", 3 , f.getCount("one"));
+ assertEquals("Z cumulative pct -- case insensitive", 1 , f.getCumPct("Z"),
tolerance);
+ assertEquals("z cumulative pct -- case insensitive", 1 , f.getCumPct("z"),
tolerance);
}
/** test pcts */
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