mirror of https://github.com/tc39/test262.git
34 lines
1009 B
JavaScript
34 lines
1009 B
JavaScript
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// Copyright (C) 2017 Josh Wolfe. 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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description: Bitwise NOT for BigInt object wrappers
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esid: sec-bitwise-not-operator-runtime-semantics-evaluation
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info: |
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Runtime Semantics: Evaluation
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UnaryExpression : ~ UnaryExpression
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1. Let expr be the result of evaluating UnaryExpression.
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2. Let oldValue be ? ToNumeric(? GetValue(expr)).
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3. Let T be Type(oldValue).
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4. Return ? T::bitwiseNOT(oldValue).
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features: [BigInt, Symbol.toPrimitive]
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---*/
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assert.sameValue(~Object(1n), -2n, "~Object(1n) === -2n");
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function err() {
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throw new Test262Error();
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}
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assert.sameValue(
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~{[Symbol.toPrimitive]: function() { return 1n; }, valueOf: err, toString: err}, -2n,
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"primitive from @@toPrimitive");
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assert.sameValue(
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~{valueOf: function() { return 1n; }, toString: err}, -2n,
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"primitive from {}.valueOf");
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assert.sameValue(
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~{toString: function() { return 1n; }}, -2n,
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"primitive from {}.toString");
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