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3bf2bc50bc
ES2015 allows primitive arguments for most of the Object built-ins. This change implements handling for these arguments in affected methods. JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu
30 lines
1.1 KiB
JavaScript
30 lines
1.1 KiB
JavaScript
// Copyright JS Foundation and other contributors, http://js.foundation
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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// New objects are extensible.
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var empty = {};
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assert (Object.isExtensible(empty) === true);
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// ...but that can be changed.
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Object.preventExtensions(empty);
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assert(Object.isExtensible(empty) === false);
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// Sealed objects are by definition non-extensible.
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var sealed = Object.seal({});
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assert (Object.isExtensible(sealed) === false);
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// Frozen objects are also by definition non-extensible.
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var frozen = Object.freeze({});
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assert(Object.isExtensible(frozen) === false);
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