mirror of https://github.com/tc39/test262.git
24 lines
694 B
JavaScript
24 lines
694 B
JavaScript
// Copyright (C) 2017 Robin Templeton. 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: Conversion of BigInt values to booleans
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esid: sec-logical-not-operator-runtime-semantics-evaluation
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info: |
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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 ToBoolean(? GetValue(expr)).
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3. If oldValue is true, return false.
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4. Return true.
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ToBoolean ( argument )
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BigInt: Return false if argument is 0n; otherwise return true.
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features: [BigInt]
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---*/
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assert.sameValue(!0n, true, "!0n");
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assert.sameValue(!1n, false, "!1n");
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assert.sameValue(!-1n, false, "!-1n");
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