mirror of https://github.com/tc39/test262.git
31 lines
772 B
JavaScript
31 lines
772 B
JavaScript
// Copyright 2009 the Sputnik 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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info: Negating +0 produces -0, negating -0 produces +0
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es5id: 11.4.7_A4.2
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description: Checking Infinity
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---*/
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//CHECK#1
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var x = 0;
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x = -x;
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if (x !== -0) {
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throw new Test262Error('#1.1: var x = 0; x = -x; x === 0. Actual: ' + (x));
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} else {
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if (1/x !== Number.NEGATIVE_INFINITY) {
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throw new Test262Error('#1.2: var x = 0; x = -x; x === - 0. Actual: +0');
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}
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}
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//CHECK#2
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var x = -0;
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x = -x;
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if (x !== 0) {
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throw new Test262Error('#2.1: var x = -0; x = -x; x === 0. Actual: ' + (x));
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} else {
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if (1/x !== Number.POSITIVE_INFINITY) {
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throw new Test262Error('#2.2: var x = -0; x = -x; x === + 0. Actual: -0');
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}
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}
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