fix corner case in functions (#3367)

fixes #3366
2019-04-19 02:55:43 +08:00
parent e8a2c0b5bf
commit b55a2fd531
3 changed files with 36 additions and 3 deletions
--- a/test/sandbox.js
+++ b/test/sandbox.js
@@ -73,8 +73,10 @@ exports.run_code = function(code, reuse) {
        process.stdout.write = original_write;
        if (!reuse || code.indexOf(".prototype") >= 0) {
            context = null;
-        } else for (var key in context) {
-            delete context[key];
+        } else {
+            vm.runInContext(Object.keys(context).map(function(name) {
+                return "delete " + name;
+            }).join("\n"), context);
        }
    }
 };