Merge pull request #150 from cvogt/chris2

various changes

1 files changed, 23 insertions, 0 deletions

diff --git a/examples/scalatest-example/src/test/scala/Test.scala b/examples/scalatest-example/src/test/scala/Test.scala
new file mode 100644
index 0000000..48b0a36
--- /dev/null
+++ b/examples/scalatest-example/src/test/scala/Test.scala
@@ -0,0 +1,23 @@
+import collection.mutable.Stack
+import org.scalatest._
+
+class Test extends FlatSpec with Matchers {
+  "square" should "return double" in {
+    Main.square(2) should be (4)
+  }
+
+  "A Stack" should "pop values in last-in-first-out order" in {
+    val stack = new Stack[Int]
+    stack.push(1)
+    stack.push(2)
+    stack.pop() should be (2)
+    stack.pop() should be (1)
+  }
+
+  it should "throw NoSuchElementException if an empty stack is popped" in {
+    val emptyStack = new Stack[Int]
+    a [NoSuchElementException] should be thrownBy {
+      emptyStack.pop()
+    }
+  }
+}
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