diff -r 42d63ea39161 -r 8b50f29a1992 src/HOL/Codegenerator_Test/Code_Test_PolyML.thy
--- a/src/HOL/Codegenerator_Test/Code_Test_PolyML.thy	Fri May 11 22:59:00 2018 +0200
+++ b/src/HOL/Codegenerator_Test/Code_Test_PolyML.thy	Sat May 12 11:24:11 2018 +0200
@@ -4,10 +4,12 @@
 Test case for test_code on PolyML
 *)
 
-theory Code_Test_PolyML imports  "HOL-Library.Code_Test" begin
+theory Code_Test_PolyML imports  "HOL-Library.Code_Test" Code_Lazy_Test begin
 
 test_code "14 + 7 * -12 = (140 div -2 :: integer)" in PolyML
 
 value [PolyML] "14 + 7 * -12 :: integer"
 
+test_code "stake 10 (cycle ''ab'') = ''ababababab''" in PolyML
+
 end