Add a test for string/length

This adds a test for the `string/length` instruction
2021-03-23 22:30:18 -05:00 · 2021-03-23 22:30:18 -05:00 · acdc225c71
commit acdc225c71
parent c270ce6c1a
1 changed files with 16 additions and 1 deletions
--- a/test/propeller/push/instructions/string_spec.clj
+++ b/test/propeller/push/instructions/string_spec.clj
@ -247,3 +247,18 @@
 (defspec last-spec 100
  (prop/for-all [str gen/string]
                (check-last str)))
+
+
+;; string/length
+
+(defn check-length
+  [value]
+  (let [start-state (state/push-to-stack state/empty-state :string value)
+        end-state ((:string_length @core/instruction-table) start-state)
+        expected-result (count value)]
+    (= expected-result
+       (state/peek-stack end-state :integer))))
+
+(defspec length-spec 100
+  (prop/for-all [str gen/string]
+                (check-length str)))