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https://github.com/jerryscript-project/jerryscript.git
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d1860d0e34
This patch is the second milestone of the implementation of this new language element. Supported: - Single class inheritance - Functionality of 'super' keyword - Implicit constructor in class heritage - Specific behaviour while extending with the built-in 'Array' or '%TypedArray%' object - Abstract subclasses (Mix-ins) JerryScript-DCO-1.0-Signed-off-by: Robert Fancsik frobert@inf.u-szeged.hu
51 lines
1.2 KiB
JavaScript
51 lines
1.2 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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class A extends Array {
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constructor (a, b, c) {
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eval ("eval ('super (a, b, c)')");
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eval ("eval ('this.f = 5;')");
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assert (this.h ()()() === 5);
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return { o : 4 };
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}
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g () {
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return function () {
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return 5;
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}
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}
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}
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class B extends A {
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constructor (a, b, c) {
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eval ("eval ('super (a, b, c)')");
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assert (this.f === undefined)
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assert (this.o === 4)
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this.k = 5;
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return { o : 7 };
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}
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h () {
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return super["g"];
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}
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}
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var b = new B (1, 2, 3, 4);
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assert (b.k === undefined);
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assert (b.o === 7);
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assert (b.h === undefined);
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assert (b.g === undefined);
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