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21 lines
692 B
JavaScript
21 lines
692 B
JavaScript
// Copyright 2015 Microsoft Corporation. All rights reserved.
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// This code is governed by the license found in the LICENSE file.
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/*---
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description: >
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Returns the sign of the x, indicating whether x is positive, negative or zero.
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es6id: 20.2.2.29
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---*/
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assert.sameValue(Math.sign(NaN), NaN, "NaN");
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assert.sameValue(Math.sign(-0), -0, "-0");
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assert.sameValue(Math.sign(0), 0, "0");
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assert.sameValue(Math.sign(-0.000001), -1, "-0.000001");
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assert.sameValue(Math.sign(-1), -1, "-1");
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assert.sameValue(Math.sign(-Infinity), -1, "-Infinity");
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assert.sameValue(Math.sign(0.000001), 1, "0.000001");
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assert.sameValue(Math.sign(1), 1, "1");
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assert.sameValue(Math.sign(Infinity), 1, "Infinity");
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