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Possible Duplicate:
JUnit: assertEquals for double values
Apparently the assertEquals(double expected, double actual) has been deprecated.
The javadocs for JUnit are surprisingly lacking, considerings its wide use. Can you show me how to use the new assertEquals(double expected, double actual, double epsilon)?
Epsilon is your “fuzz factor,” since doubles may not be exactly equal. Epsilon lets you describe how close they have to be.
If you were expecting 3.14159 but would take anywhere from 3.14059 to 3.14259 (that is, within 0.001), then you should write something like
(By the way, 22/7 comes out to 3.1428+, and would fail the assertion. This is a good thing.)