string-binary-literal-invalid.js

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// Copyright (C) 2015 the V8 project authors. All rights reserved.

// This code is governed by the BSD license found in the LICENSE file.

/*---

es6id: 20.1.1.1

description: Invalid binary literals yield NaN

info: |

    BinaryIntegerLiteral ::

      0b BinaryDigits

      0B BinaryDigits

    BinaryDigits ::

      BinaryDigit

      BinaryDigits BinaryDigit

    BinaryDigit :: one of

0 1

---*/

assert.sameValue(Number('0b2'), NaN, 'invalid digit');

assert.sameValue(Number('00b0'), NaN, 'leading zero');

assert.sameValue(Number('0b'), NaN, 'omitted digits');

assert.sameValue(Number('+0b1'), NaN, 'plus sign');

assert.sameValue(Number('-0b1'), NaN, 'minus sign');

assert.sameValue(Number('0b1.01'), NaN, 'fractional part');

assert.sameValue(Number('0b1e10'), NaN, 'exponent part');

assert.sameValue(Number('0b1e-10'), NaN, 'exponent part with a minus sign');

assert.sameValue(Number('0b1e+10'), NaN, 'exponent part with a plus sign');

reportCompare(0, 0);