From 947dc4cab273cc1e66e6d2b8085446bc4df3a1ad Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Zsolt=20Borb=C3=A9ly?= Date: Tue, 20 Oct 2015 16:26:51 +0200 Subject: [PATCH] Make the Function.prototype.length property non-writable. MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Fixes #642 JerryScript-DCO-1.0-Signed-off-by: Zsolt Borbély zsborbely.u-szeged@partner.samsung.com --- .../ecma-builtin-function-prototype.inc.h | 2 +- tests/jerry/regression-test-issue-642.js | 18 ++++++++++++++++++ 2 files changed, 19 insertions(+), 1 deletion(-) create mode 100644 tests/jerry/regression-test-issue-642.js diff --git a/jerry-core/ecma/builtin-objects/ecma-builtin-function-prototype.inc.h b/jerry-core/ecma/builtin-objects/ecma-builtin-function-prototype.inc.h index 701fa3feb..340003cc4 100644 --- a/jerry-core/ecma/builtin-objects/ecma-builtin-function-prototype.inc.h +++ b/jerry-core/ecma/builtin-objects/ecma-builtin-function-prototype.inc.h @@ -52,7 +52,7 @@ OBJECT_VALUE (LIT_MAGIC_STRING_CONSTRUCTOR, // 15.3.4 NUMBER_VALUE (LIT_MAGIC_STRING_LENGTH, 0, - ECMA_PROPERTY_WRITABLE, + ECMA_PROPERTY_NOT_WRITABLE, ECMA_PROPERTY_NOT_ENUMERABLE, ECMA_PROPERTY_NOT_CONFIGURABLE) diff --git a/tests/jerry/regression-test-issue-642.js b/tests/jerry/regression-test-issue-642.js new file mode 100644 index 000000000..5d95fb208 --- /dev/null +++ b/tests/jerry/regression-test-issue-642.js @@ -0,0 +1,18 @@ +// Copyright 2015 Samsung Electronics Co., Ltd. +// Copyright 2015 University of Szeged. +// +// 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. + +Function.prototype.length = function() {}; +Function.prototype.bind(0); +assert (Function.prototype.length === 0);