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25 lines
570 B
JavaScript
25 lines
570 B
JavaScript
// Copyright (C) 2016 Kevin Gibbons. All rights reserved.
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// This code is governed by the BSD license found in the LICENSE file.
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/*---
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esid: sec-runtime-semantics-classdefinitionevaluation
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description: A class which extends a constructor with null .prototype is a derived class.
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---*/
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var invoked = false;
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var instance, savedArg;
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function A(arg) {
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invoked = true;
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savedArg = arg;
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this.prop = 0;
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}
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A.prototype = null;
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class C extends A {}
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instance = new C(1);
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assert.sameValue(invoked, true);
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assert.sameValue(savedArg, 1);
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assert.sameValue(instance.prop, 0);
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