For asserting NaN we should do something like this: assertTrue(Double.isNaN((code to return NaN));
-Nathan > -----Original Message----- > From: Paulex Yang [mailto:[EMAIL PROTECTED] > Sent: Tuesday, September 12, 2006 4:50 AM > To: [email protected] > Subject: Re: [build] anybody seeing MathTest failure? > > Mikhail Loenko wrote: > > it works! thanks, Paulex > Welcome, thanks a lot for Spark's tips:). > > However, I consider it as a JUnit's bug, because it's > assertEquals(String, double, double, double) method has special handling > code for INFINITE but not for NaN[1], but seems it is intended behavior > as the comment shows, hmm... > > [1] snippet from junit.framework.Assert > static public void assertEquals(String message, double expected, > double actual, double delta) { > // handle infinity specially since subtracting to infinite > values gives NaN and the > // the following test fails > if (Double.isInfinite(expected)) { > if (!(expected == actual)) > failNotEquals(message, new Double(expected), new > Double(actual)); > } else if (!(Math.abs(expected-actual) <= delta)) // Because > comparison with NaN always returns false (<== Paulex: before this > line, seems should check the NaN at first) > failNotEquals(message, new Double(expected), new > Double(actual)); > } > > > > 2006/9/12, Paulex Yang <[EMAIL PROTECTED]>: > >> Seems caused by r442438, I have recovered part of the update to make > the > >> test pass at revision r442527, please verify. > >> > > > > > > > -- > Paulex Yang > China Software Development Lab > IBM > > > > --------------------------------------------------------------------- > Terms of use : http://incubator.apache.org/harmony/mailing.html > To unsubscribe, e-mail: [EMAIL PROTECTED] > For additional commands, e-mail: [EMAIL PROTECTED] --------------------------------------------------------------------- Terms of use : http://incubator.apache.org/harmony/mailing.html To unsubscribe, e-mail: [EMAIL PROTECTED] For additional commands, e-mail: [EMAIL PROTECTED]
