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* Improve test coverage for `super` keyword Add tests for SuperCall and SuperProperty, organized together in the `test/language/expressions/super/` directory. For SuperProperty, include tests for usage from within Object initializers and class bodies because a different set of semantics are observable from each context.
41 lines
982 B
JavaScript
41 lines
982 B
JavaScript
// Copyright (C) 2016 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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esid: sec-super-keyword
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es6id: 12.3.5
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description: Abrupt completion from re-binding "this" value
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info: |
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[...]
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6. Let result be ? Construct(func, argList, newTarget).
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7. Let thisER be GetThisEnvironment( ).
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8. Return ? thisER.BindThisValue(result).
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8.1.1.3.1 BindThisValue
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1. Let envRec be the function Environment Record for which the method was
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invoked.
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2. Assert: envRec.[[ThisBindingStatus]] is not "lexical".
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3. If envRec.[[ThisBindingStatus]] is "initialized", throw a ReferenceError
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exception.
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features: [class]
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---*/
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var caught;
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function Parent() {}
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class Child extends Parent {
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constructor() {
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super();
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try {
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super();
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} catch (err) {
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caught = err;
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}
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}
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}
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new Child();
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assert.sameValue(typeof caught, 'object');
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assert.sameValue(caught.constructor, ReferenceError);
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