diff options
| -rw-r--r-- | Libraries/LibJS/Runtime/ObjectPrototype.cpp | 2 | ||||
| -rw-r--r-- | Libraries/LibJS/Tests/Object.prototype.hasOwnProperty.js | 6 |
2 files changed, 6 insertions, 2 deletions
diff --git a/Libraries/LibJS/Runtime/ObjectPrototype.cpp b/Libraries/LibJS/Runtime/ObjectPrototype.cpp index 53a3c4f518..f6d5aee272 100644 --- a/Libraries/LibJS/Runtime/ObjectPrototype.cpp +++ b/Libraries/LibJS/Runtime/ObjectPrototype.cpp @@ -57,8 +57,6 @@ Value ObjectPrototype::has_own_property(Interpreter& interpreter) auto* this_object = interpreter.this_value().to_object(interpreter.heap()); if (!this_object) return {}; - if (!interpreter.argument_count()) - return {}; return Value(this_object->has_own_property(interpreter.argument(0).to_string())); } diff --git a/Libraries/LibJS/Tests/Object.prototype.hasOwnProperty.js b/Libraries/LibJS/Tests/Object.prototype.hasOwnProperty.js index 0a12f2ee52..16dec1062c 100644 --- a/Libraries/LibJS/Tests/Object.prototype.hasOwnProperty.js +++ b/Libraries/LibJS/Tests/Object.prototype.hasOwnProperty.js @@ -5,6 +5,12 @@ try { o.foo = 1; assert(o.hasOwnProperty("foo") === true); assert(o.hasOwnProperty("bar") === false); + assert(o.hasOwnProperty() === false); + assert(o.hasOwnProperty(undefined) === false); + o.undefined = 2; + assert(o.hasOwnProperty() === true); + assert(o.hasOwnProperty(undefined) === true); + console.log("PASS"); } catch (e) { console.log("FAIL: " + e); |