Builtin objects accessor properties should be configurable (#3839)

http://www.ecma-international.org/ecma-262/6.0/#sec-ecmascript-standard-built-in-objects JerryScript-DCO-1.0-Signed-off-by: Csaba Osztrogonác oszi@inf.u-szeged.hu
2020-06-08 13:22:41 +02:00
parent 2058ea1286
commit a885664220
4 changed files with 56 additions and 8 deletions
@@ -0,0 +1,48 @@
+// Copyright JS Foundation and other contributors, http://js.foundation
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+var test_failed = false;
+
+function verifyConfigurableAccessor (obj, name, string) {
+  let prop = Object.getOwnPropertyDescriptor (obj, name);
+  if (prop.get && !prop.configurable) {
+    print (string + " should be configurable, but wasn't");
+    test_failed = true;
+  }
+}
+
+for (let builtin_name of Reflect.ownKeys (this)) {
+  let builtin_obj = this[builtin_name];
+  if (builtin_name[0] === builtin_name[0].toUpperCase () && typeof builtin_obj == "function") {
+    for (let prop of Reflect.ownKeys (builtin_obj)) {
+      verifyConfigurableAccessor (builtin_obj, prop, builtin_name + "." + prop.toString ());
+    }
+
+    let builtin_proto = builtin_obj.prototype;
+    if (builtin_proto) {
+      for (let prop of Reflect.ownKeys (builtin_proto)) {
+        verifyConfigurableAccessor (builtin_proto, prop, builtin_name + ".prototype." + prop.toString ());
+      }
+    }
+
+    builtin_proto = Reflect.getPrototypeOf (builtin_obj);
+    if (builtin_proto !== Function.prototype) {
+      for (let prop of Reflect.ownKeys (builtin_proto.prototype)) {
+        verifyConfigurableAccessor (builtin_proto.prototype, prop, builtin_name + ".[[Prototype]].prototype." + prop.toString ());
+      }
+    }
+  }
+}
+
+assert (!test_failed);