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47 lines
1.8 KiB
47 lines
1.8 KiB
// Taken from: https://github.com/mathiasbynens/String.fromCodePoint/blob/master |
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// /tests/tests.js |
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"use strict"; |
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var pow = Math.pow; |
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module.exports = function (t, a) { |
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var counter, result; |
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a(t.length, 1, "Length"); |
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a(String.propertyIsEnumerable("fromCodePoint"), false, "Not enumerable"); |
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a(t(""), "\0", "Empty string"); |
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a(t(), "", "No arguments"); |
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a(t(-0), "\0", "-0"); |
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a(t(0), "\0", "0"); |
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a(t(0x1d306), "\uD834\uDF06", "Unicode"); |
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a(t(0x1d306, 0x61, 0x1d307), "\uD834\uDF06a\uD834\uDF07", "Complex unicode"); |
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a(t(0x61, 0x62, 0x1d307), "ab\uD834\uDF07", "Complex"); |
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a(t(false), "\0", "false"); |
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a(t(null), "\0", "null"); |
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a.throws(function () { t("_"); }, RangeError, "_"); |
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a.throws(function () { t(Infinity); }, RangeError, "Infinity"); |
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a.throws(function () { t(-Infinity); }, RangeError, "-Infinity"); |
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a.throws(function () { t(-1); }, RangeError, "-1"); |
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a.throws(function () { t(0x10ffff + 1); }, RangeError, "Range error #1"); |
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a.throws(function () { t(3.14); }, RangeError, "Range error #2"); |
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a.throws(function () { t(3e-2); }, RangeError, "Range error #3"); |
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a.throws(function () { t(-Infinity); }, RangeError, "Range error #4"); |
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a.throws(function () { t(Number(Infinity)); }, RangeError, "Range error #5"); |
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a.throws(function () { t(NaN); }, RangeError, "Range error #6"); |
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a.throws(function () { t(undefined); }, RangeError, "Range error #7"); |
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a.throws(function () { t({}); }, RangeError, "Range error #8"); |
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a.throws(function () { t(/re/); }, RangeError, "Range error #9"); |
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counter = (pow(2, 15) * 3) / 2; |
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result = []; |
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while (--counter >= 0) result.push(0); // One code unit per symbol |
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t.apply(null, result); // Must not throw |
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counter = (pow(2, 15) * 3) / 2; |
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result = []; |
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while (--counter >= 0) result.push(0xffff + 1); // Two code units per symbol |
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t.apply(null, result); // Must not throw |
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};
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