Hyukwoo Park
54e4de39ab
* length property has the attributes {[[Writable]]: false, [[Enumerable]]: false, [[Configurable]]: true} based on ECMA-262 v6, 19.2.4.1
JerryScript-DCO-1.0-Signed-off-by: HyukWoo Park hyukwoo.park@samsung.com
103 lines
2.7 KiB
JavaScript
103 lines
2.7 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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*/
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var builtin_objects = [
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Array,
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ArrayBuffer,
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Boolean,
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DataView,
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Date,
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Error,
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EvalError,
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Function,
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Map,
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Number,
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Object,
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Promise,
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RangeError,
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ReferenceError,
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RegExp,
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Set,
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String,
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Symbol,
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SyntaxError,
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TypeError,
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URIError,
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WeakMap,
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WeakSet,
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];
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var builtin_prototypes = [Function.prototype]
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var builtin_typedArrays = [
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Float32Array,
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Float64Array,
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Int16Array,
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Int32Array,
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Int8Array,
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Uint16Array,
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Uint32Array,
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Uint8Array,
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Uint8ClampedArray,
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];
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(function () {
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/* each length property is configurable */
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var desc;
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for (obj of builtin_objects) {
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desc = Object.getOwnPropertyDescriptor(obj, 'length');
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assert(desc.writable === false);
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assert(desc.enumerable === false);
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assert(desc.configurable === true);
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}
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for (proto of builtin_prototypes) {
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desc = Object.getOwnPropertyDescriptor(proto, 'length');
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assert(desc.writable === false);
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assert(desc.enumerable === false);
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assert(desc.configurable === true);
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}
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for (ta of builtin_typedArrays) {
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desc = Object.getOwnPropertyDescriptor(ta, 'length');
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assert(desc.writable === false);
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assert(desc.enumerable === false);
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assert(desc.configurable === true);
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}
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})();
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(function () {
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/* each length property can be deleted */
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for (obj of builtin_objects) {
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assert(obj.hasOwnProperty('length') === true);
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assert(delete obj.length);
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assert(obj.hasOwnProperty('length') === false);
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}
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for (proto of builtin_prototypes) {
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assert(proto.hasOwnProperty('length') === true);
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assert(delete proto.length);
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assert(proto.hasOwnProperty('length') === false);
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}
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for (ta of builtin_typedArrays) {
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assert(ta.hasOwnProperty('length') === true);
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assert(delete ta.length);
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assert(ta.hasOwnProperty('length') === false);
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}
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})();
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