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	The global isNaN is not precise at all, and Number.isNaN is an ES6 feature that makes it preferrable to use assert's sameValue for NaN values, as it handles it internally using the comparison.
		
			
				
	
	
		
			13 lines
		
	
	
		
			461 B
		
	
	
	
		
			JavaScript
		
	
	
	
	
	
			
		
		
	
	
			13 lines
		
	
	
		
			461 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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| /*---
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| info: If x is less than -1, Math.asin(x) is NaN
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| es5id: 15.8.2.3_A3
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| description: Checking if Math.asin(x) is NaN, where x is less than -1
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| ---*/
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| 
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| assert.sameValue(Math.asin(-1.000000000000001), NaN, "-1.000000000000001");
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| assert.sameValue(Math.asin(-2), NaN, "-2");
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| assert.sameValue(Math.asin(-Infinity), NaN, "-Infinity");
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