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POHow to use Specs2 with Scalacheck to automate testing of String arguments?
 

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  1. POHow to use Specs2 with Scalacheck to automate testing of String arguments?
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    <p>The rewritten <a href="http://etorreborre.github.com/specs2/">specs2</a> testing framework for Scala integrates automated testing with <a href="http://code.google.com/p/scalacheck/">scalacheck</a>. The examples given in the specs2 documentation on how to use scalacheck together with specs2 either <a href="http://etorreborre.github.com/specs2/guide/org.specs2.guide.SpecStructure.html#ScalaCheck+values">use integers</a> or more complicated custom generators as in <a href="http://etorreborre.blogspot.com/2011/02/scalacheck-generator-for-json.html">eric's json example</a>.</p> <p>While trying to get a slightly less complicated example working, I'm struggling because I don't know how one would use specs2 and scalacheck if I want to generate String arguments instead of Integers. How would this Quickstart example</p> <p><pre><code> import org.scalacheck._</p> <p>object StringSpecification extends Properties("String") { property("startsWith") = Prop.forAll((a: String, b: String) => (a+b).startsWith(a))</p> <p>property("endsWith") = Prop.forAll((a: String, b: String) => (a+b).endsWith(b))</p> <p>// Is this really always true? property("concat") = Prop.forAll((a: String, b: String) => (a+b).length > a.length &amp;&amp; (a+b).length > b.length )</p> <p>property("substring") = Prop.forAll((a: String, b: String) => (a+b).substring(a.length) == b )</p> <p>property("substring") = Prop.forAll((a: String, b: String, c: String) => (a+b+c).substring(a.length, a.length+b.length) == b ) } </pre></code></p> <p>taken from the <a href="http://code.google.com/p/scalacheck/">scalacheck homepage</a> look, if it was written as Specs2 specification using the scalacheck integration?</p>
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