added a test for generators

test/generators.coffee

@@ -0,0 +1,35 @@
+# Generators
+# -----------------
+
+# * Generator Definition
+
+# ensure that these tests are only run if generators are available
+generatorsAreAvailable = ->
+  for execArg in process.execArgv
+    if execArg.match 'harmony'
+      return 1
+  return 0
+
+if generatorsAreAvailable()
+
+  # Using the keyword yield should not cause a syntax error.
+  -> yield 0
+
+  test "Generator Definition", ->
+    x = ->
+      yield 0
+      yield 1
+      yield 2
+    y = x()
+    z = y.next()
+    eq z.value, 0
+    eq z.done, false
+    z = y.next()
+    eq z.value, 1
+    eq z.done, false
+    z = y.next()
+    eq z.value, 2
+    eq z.done, false
+    z = y.next()
+    eq z.value, undefined
+    eq z.done, true