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Scalatest example using FlatSpec and ShouldMatchers

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A simple Scala unit test example using FlatSpec and ShouldMachers in scalatest

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  1. package scalaunittest
  2.  
  3. import org.scalatest.FlatSpec
  4. import org.scalatest.matchers.ShouldMatchers
  5.  
  6. class ListFlatSpec extends FlatSpec with ShouldMatchers {
  7. 	val xs = List(1, 2, 3)
  8.  
  9. 	"A List" should "have length as count of elements in it" in {
  10. 	    xs.length should be (3)
  11. 	}
  12.  
  13. 	it should "contains elements passed in the factory method" in {
  14. 	    xs.contains(1) should be (true)
  15. 	    xs.contains(2) should be (true)
  16. 	    xs.contains(3) should be (true)
  17. 	}
  18.  
  19. 	it should "throw IndexOutOfBounds exception when index is out of bounds" in {
  20. 	    evaluating {
  21. 	        xs(4)
  22. 	    } should produce [IndexOutOfBoundsException]
  23. 	}
  24. }

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