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- 14.5.1 Static Semantics: Early Errors - 14.5.3 Static Semantics: ConstructorMethod - 14.5.14 Runtime Semantics: ClassDefinitionEvaluation
21 lines
528 B
JavaScript
21 lines
528 B
JavaScript
// Copyright (C) 2014 the V8 project authors. 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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es6id: 14.5
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description: >
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class invalid extends
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---*/
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assert.throws(TypeError, function() {
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class C extends 42 {}
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});
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assert.throws(TypeError, function() {
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// Function but its .prototype is not null or a function.
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class C extends Math.abs {}
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});
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assert.throws(TypeError, function() {
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Math.abs.prototype = 42;
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class C extends Math.abs {}
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});
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delete Math.abs.prototype; |