add runlen test

tests/test_runlen.py

@@ -0,0 +1,18 @@
+from __future__ import print_function
+import deepstate_base
+import logrun
+
+
+class RunlenTest(deepstate_base.DeepStateTestCase):
+  def run_deepstate(self, deepstate):
+    (r, output) = logrun.logrun([deepstate, "build/examples/Runlen"],
+                  "deepstate.out", 1800)
+    self.assertEqual(r, 0)
+
+    self.assertTrue("Passed: Runlength_EncodeDecode" in output)
+    foundCrashSave = False
+    for line in output.split("\n"):
+      if ("Saving input to" in line) and (".crash" in line):
+        foundCrashSave = True
+    self.assertTrue(foundCrashSave)
+