Eric Polerecky » TDD http://eric.polerecky.com An outlet for my obsession with technology Wed, 08 Sep 2010 21:18:46 +0000 en hourly 1 http://wordpress.org/?v=3.0.1 Validating DataAnnotations http://eric.polerecky.com/archives/validating-dataannotations/ http://eric.polerecky.com/archives/validating-dataannotations/#comments Thu, 26 Nov 2009 16:51:00 +0000 Eric Polerecky http://eric.polerecky.com/archives/validating-dataannotations/ 
public static IList<String> GetClassLevelErrors(object instance){    return TypeDescriptor.GetAttributes(instance).OfType<ValidationAttribute>()        .Where(attribute => !attribute.IsValid(instance))        .Select(attribute => attribute.FormatErrorMessage(string.Empty))        .ToList();}

[TestMethod]public void TestMethod1(){    var prop = typeof (DataAnnotationsModelBinderSpike.Models.Contact).GetProperty("First");    var attrib = prop.GetCustomAttributes(true).Cast<RequiredAttribute>().FirstOrDefault();    Assert.IsNotNull(attrib);}

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]]> http://eric.polerecky.com/archives/validating-dataannotations/feed/ 0 TDD ROI Metrics http://eric.polerecky.com/archives/tdd-roi-metrics/ http://eric.polerecky.com/archives/tdd-roi-metrics/#comments Tue, 04 Aug 2009 19:02:00 +0000 Eric Polerecky http://eric.polerecky.com/archives/tdd-roi-metrics/ Case studies were conducted with three development teams at Microsoft and one at IBM that have adopted TDD. The results of the case studies indicate that the pre-release defect density of the four products decreased between 40% and 90% relative to similar projects that did not use the TDD practice. Subjectively, the teams experienced a 15–35% increase in initial development time after adopting TDD.

http://www.springerlink.com/content/q91566748q234325/?p=7fd98b01480f49e2925f36393c999a72&pi=3

http://blog.agiledad.com/2009/07/cost-of-bug.html

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