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src/test/scala
README.markdown
build.sbt

README.markdown

A simple ScalaCheck sbt project

This is a minimal project with a single test that is meant to be used to quickly get started with ScalaCheck and sbt.

Setting up required software

The project can be built with sbt. Follow the instructions on [http://www.scala-sbt.org/release/docs/Getting-Started/Setup.html] to get started. sbt is easy to set up on Windows, Mac and Linux, and its only requirement is a working Java runtime installation of version 1.6 or later.

To install the latest Java runtime environment on your computer, follow the instructions on [http://java.com/en/download/manual.jsp]. There are installers available for all major operating systems.

Setting up the ScalaCheck example project

When you have installed sbt and made it available in your path, you should replicate this example project on your computer (the file build.sbt, and the complete src directory structure). You can do it by manually setting up the directory structure and file contents, or by downloading the complete ScalaCheck repository.

To then test the ScalaCheck properties with sbt, run the command sbt test in the root directory of the project (the directory where the file build.sbt is located):

examples/simple-sbt $ sbt test
Getting org.scala-sbt sbt 0.13.5 ...
...
[info] Done updating.
[info] Compiling 1 Scala source to .../scala-2.11/test-classes...
[info] + Demo.myprop: OK, passed 33 tests.
[info] Passed: Total 1, Failed 0, Errors 0, Passed 1
[success] Total time: 1 s, completed Aug 4, 2014 6:02:27 PM

sbt will automatically download all needed dependencies. The output from the above command might look differently if you already have some or all dependencies installed or cached.

The last three lines of the output is what you should look for in your own output. It tells us that the property Demo.myprop passed 33 evaluations, and then gives a summary of the results (in this case, there's only one property, so the summary is not that interesting). The number of evaluations is configured in build.sbt with -minSuccessfulTests parameter.

Now you can go ahead and experiment by modifying the existing property or adding new ones. sbt will pick up any Scala file that contains ScalaCheck properties, if it is located somewhere under src/test/scala. Look at the existing file src/test/scala/Demo.scala for inspiration.