diff --git a/test/rustint/core_test.clj b/test/rustint/core_test.clj
index 7104399..c8c4ed8 100644
--- a/test/rustint/core_test.clj
+++ b/test/rustint/core_test.clj
@@ -731,3 +731,32 @@
     )
   )
 )
+
+(deftest test-restaurar-contexto-anterior-01
+  (testing "Test 01 restaurar-contexto-anterior"
+    (is (=
+        (restaurar-contexto-anterior
+          [
+            'EOF
+            ()
+            ['fn 'main (symbol "(") (symbol ")") (symbol "{") 'let 'x (symbol ":") 'i64 (symbol "=") 10 (symbol ";") 'let 'y (symbol ":") 'i64 (symbol "=") 20 (symbol ";") 'println! (symbol "(") "{}" (symbol ",") 'x '+ 'y (symbol ")") (symbol "}")]
+            8
+            [[0 1] [['main ['fn [() ()]] 2] ['x ['var-inmut 'i64] 0] ['y ['var-inmut 'i64] 1]]]
+            2
+            [['CAL 2] 'HLT ['PUSHFI 10] ['POP 0] ['PUSHFI 20] ['POP 1] ['PUSHFI "{}"] ['PUSHFM 0] ['PUSHFM 1] 'ADD ['PUSHFI 2] 'OUT 'NL]
+            [[2 ['i64 nil] ['i64 nil]]]
+          ]
+        )
+          [
+            'EOF
+            ()
+            ['fn 'main (symbol "(") (symbol ")") (symbol "{") 'let 'x (symbol ":") 'i64 (symbol "=") 10 (symbol ";") 'let 'y (symbol ":") 'i64 (symbol "=") 20 (symbol ";") 'println! (symbol "(") "{}" (symbol ",") 'x '+ 'y (symbol ")") (symbol "}")]
+            8
+            [[0 1] [['main ['fn [() ()]] 2] ['x ['var-inmut 'i64] 0] ['y ['var-inmut 'i64] 1]]]
+            2
+            [['CAL 2] 'HLT ['PUSHFI 10] ['POP 0] ['PUSHFI 20] ['POP 1] ['PUSHFI "{}"] ['PUSHFM 0] ['PUSHFM 1] 'ADD ['PUSHFI 2] 'OUT 'NL]
+            [[2 ['i64 nil] ['i64 nil]]]
+          ]
+    ))
+  )
+)