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a3fffa754b
* 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.
36 lines
1001 B
JavaScript
36 lines
1001 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: Invocation of "parent" constructor
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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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[...]
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features: [class, Reflect]
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---*/
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var expectedNewTarget = function() {};
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var thisValue, instance, args, actualNewTarget;
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function Parent() {
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thisValue = this;
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args = arguments;
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actualNewTarget = new.target;
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}
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class Child extends Parent {
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constructor() {
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super(1, 2, 3);
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}
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}
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instance = Reflect.construct(Child, [4, 5, 6], expectedNewTarget);
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assert.sameValue(thisValue, instance);
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assert.sameValue(args.length, 3, 'length of provided arguments object');
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assert.sameValue(args[0], 1, 'first argument');
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assert.sameValue(args[1], 2, 'second argument');
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assert.sameValue(args[2], 3, 'third argument');
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assert.sameValue(actualNewTarget, expectedNewTarget, 'new.target value');
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