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e49d2661a8
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.
34 lines
1.1 KiB
JavaScript
34 lines
1.1 KiB
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: >
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Number([value]) returns a number value (not a Number object) computed by
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ToNumber(value) if value was supplied
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es5id: 15.7.1.1_A1
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description: Used values "10", 10, new String("10"), new Object(10) and "abc"
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---*/
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//CHECK#1
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if( typeof Number("10") !== "number" ) {
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$ERROR('#1: typeof Number("10") should be "number", actual is "'+typeof Number("10")+'"');
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}
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//CHECK#2
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if( typeof Number(10) !== "number" ) {
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$ERROR('#2: typeof Number(10) should be "number", actual is "'+typeof Number(10)+'"');
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}
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//CHECK#3
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if( typeof Number(new String("10")) !== "number" ) {
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$ERROR('#3: typeof Number(new String("10")) should be "number", actual is "'+typeof Number(new String("10"))+'"');
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}
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//CHECK#4
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if( typeof Number(new Object(10)) !== "number" ) {
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$ERROR('#4: typeof Number(new Object(10)) should be "number", actual is "'+typeof Number(new Object(10))+'"');
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}
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//CHECK #5
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assert.sameValue(Number("abc"), NaN, "Number('abc')");
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