mirror of https://github.com/tc39/test262.git
41 lines
1.0 KiB
JavaScript
41 lines
1.0 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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isNaN applies ToNumber to its argument, then return true if the result is
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NaN, and otherwise return false
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es5id: 15.1.2.4_A1_T2
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description: Checking all object
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---*/
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// CHECK#1
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if (!(isNaN({}) === true)) {
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$ERROR('#1: {} === Not-a-Number. Actual: ' + ({}));
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}
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// CHECK#2
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if (!(isNaN(new String("string")) === true)) {
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$ERROR('#2: new String("string") === Not-a-Number. Actual: ' + (new String("string")));
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}
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// CHECK#3
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if (isNaN(new String("1")) === true) {
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$ERROR('#3: new String("1") === Not-a-Number. Actual: ' + (new String("1")));
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}
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// CHECK#4
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if (isNaN(new Number(1)) === true) {
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$ERROR('#4: new Number(1) !== Not-a-Number');
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}
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// CHECK#5
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if (!(isNaN(new Number(NaN)) === true)) {
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$ERROR('#5: new Number(NaN) === Not-a-Number. Actual: ' + (new Number(NaN)));
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}
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// CHECK#6
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if (isNaN(new Boolean(true)) === true) {
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$ERROR('#6: new Boolean(true) !== Not-a-Number');
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}
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