atorFormat(org.apache.commons.math.fraction.FractionFormatTest) testFormatImproperNegative(org.apache.commons.math.fraction.FractionFormatTest) testFormatImproper(org.apache.commons.math.fraction.FractionFormatTest) testParseProper(org.apache.commons.math.fraction.FractionFormatTest) testParseProperNegative(org.apache.commons.math.fraction.FractionFormatTest) testParse(org.apache.commons.math.fraction.FractionFormatTest) test