mirror of https://github.com/tc39/test262.git
49 lines
1.4 KiB
JavaScript
49 lines
1.4 KiB
JavaScript
// Copyright 2016 André Bargull. 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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esid: sec-tonumber-applied-to-the-string-type
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description: >
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Ensure U+180E is not recognized as whitespace, test ToNumber with dynamic string
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info: |
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7.1.3.1 ToNumber Applied to the String Type
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If the grammar cannot interpret the String as an expansion of
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StringNumericLiteral, then the result of ToNumber is NaN.
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StringNumericLiteral :::
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StrWhiteSpace_opt StrNumericLiteral StrWhiteSpace_opt
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StrWhiteSpace :::
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StrWhiteSpaceChar StrWhiteSpace_opt
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StrWhiteSpaceChar :::
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WhiteSpace
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LineTerminator
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WhiteSpace ::
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<TAB>
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<VT>
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<FF>
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<SP>
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<NBSP>
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<ZWNBSP>
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<USP>
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<USP> ::
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Other category “Zs” code points
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features: [u180e]
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---*/
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function dynaString(s1, s2) {
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return String(s1) + String(s2);
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}
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// CHECK#1
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assert.sameValue(Number(dynaString("", "\u180E")), NaN, 'Number(dynaString("", "\u180E")) === NaN');
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// CHECK#2
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assert.sameValue(+(dynaString("12345", "67890\u180E")), NaN, '+(dynaString("12345", "67890\u180E")) === NaN');
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// CHECK#3
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assert.sameValue(Number(dynaString("Infi", "nity\u180E")), NaN, 'Number(dynaString("Infi", "nity\u180E")) === NaN');
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// CHECK#4
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assert.sameValue(Number(dynaString("-Infi", "nity\u180E")), NaN, 'Number(dynaString("-Infi", "nity\u180E")) === NaN');
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