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Diffstat (limited to '')
-rw-r--r-- | js/src/tests/test262/built-ins/String/prototype/charAt/pos-rounding.js | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/js/src/tests/test262/built-ins/String/prototype/charAt/pos-rounding.js b/js/src/tests/test262/built-ins/String/prototype/charAt/pos-rounding.js new file mode 100644 index 0000000000..0f516f73c5 --- /dev/null +++ b/js/src/tests/test262/built-ins/String/prototype/charAt/pos-rounding.js @@ -0,0 +1,27 @@ +// Copyright (C) 2016 the V8 project authors. All rights reserved. +// This code is governed by the BSD license found in the LICENSE file. +/*--- +esid: sec-string.prototype.charat +description: Rounding of the provided "pos" number +info: | + [...] + 3. Let position be ? ToInteger(pos). + [...] + + 7.1.4 ToInteger + + 1. Let number be ? ToNumber(argument). + 2. If number is NaN, return +0. + 3. If number is +0, -0, +∞, or -∞, return number. + 4. Return the number value that is the same sign as number and whose + magnitude is floor(abs(number)). +---*/ + +assert.sameValue('abc'.charAt(-0.99999), 'a', '-0.99999'); +assert.sameValue('abc'.charAt(-0.00001), 'a', '-0.00001'); +assert.sameValue('abc'.charAt(0.00001), 'a', '0.00001'); +assert.sameValue('abc'.charAt(0.99999), 'a', '0.99999'); +assert.sameValue('abc'.charAt(1.00001), 'b', '1.00001'); +assert.sameValue('abc'.charAt(1.99999), 'b', '1.99999'); + +reportCompare(0, 0); |