48 lines
1.8 KiB
JavaScript
48 lines
1.8 KiB
JavaScript
// 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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