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97 lines
4.4 KiB
97 lines
4.4 KiB
/* eslint no-useless-call: "off" */
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// See tests at https://github.com/mathiasbynens/String.prototype.at
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"use strict";
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module.exports = function (t, a) {
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a(t.length, 1, "Length");
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a.h1("BMP");
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a(t.call("abc\uD834\uDF06def", -Infinity), "", "-Infinity");
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a(t.call("abc\uD834\uDF06def", -1), "", "-1");
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a(t.call("abc\uD834\uDF06def", -0), "a", "-0");
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a(t.call("abc\uD834\uDF06def", +0), "a", "+0");
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a(t.call("abc\uD834\uDF06def", 1), "b", "1");
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a(t.call("abc\uD834\uDF06def", 3), "\uD834\uDF06", "3");
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a(t.call("abc\uD834\uDF06def", 4), "\uDF06", "4");
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a(t.call("abc\uD834\uDF06def", 5), "d", "5");
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a(t.call("abc\uD834\uDF06def", 42), "", "42");
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a(t.call("abc\uD834\uDF06def", Number(Infinity)), "", "+Infinity");
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a(t.call("abc\uD834\uDF06def", null), "a", "null");
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a(t.call("abc\uD834\uDF06def", undefined), "a", "undefined");
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a(t.call("abc\uD834\uDF06def"), "a", "No argument");
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a(t.call("abc\uD834\uDF06def", false), "a", "false");
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a(t.call("abc\uD834\uDF06def", NaN), "a", "NaN");
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a(t.call("abc\uD834\uDF06def", ""), "a", "Empty string");
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a(t.call("abc\uD834\uDF06def", "_"), "a", "_");
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a(t.call("abc\uD834\uDF06def", "1"), "b", "'1'");
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a(t.call("abc\uD834\uDF06def", []), "a", "[]");
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a(t.call("abc\uD834\uDF06def", {}), "a", "{}");
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a(t.call("abc\uD834\uDF06def", -0.9), "a", "-0.9");
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a(t.call("abc\uD834\uDF06def", 1.9), "b", "1.9");
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a(t.call("abc\uD834\uDF06def", 7.9), "f", "7.9");
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a(t.call("abc\uD834\uDF06def", Math.pow(2, 32)), "", "Big number");
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a.h1("Astral symbol");
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a(t.call("\uD834\uDF06def", -Infinity), "", "-Infinity");
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a(t.call("\uD834\uDF06def", -1), "", "-1");
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a(t.call("\uD834\uDF06def", -0), "\uD834\uDF06", "-0");
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a(t.call("\uD834\uDF06def", +0), "\uD834\uDF06", "+0");
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a(t.call("\uD834\uDF06def", 1), "\uDF06", "1");
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a(t.call("\uD834\uDF06def", 2), "d", "2");
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a(t.call("\uD834\uDF06def", 3), "e", "3");
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a(t.call("\uD834\uDF06def", 4), "f", "4");
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a(t.call("\uD834\uDF06def", 42), "", "42");
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a(t.call("\uD834\uDF06def", Number(Infinity)), "", "+Infinity");
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a(t.call("\uD834\uDF06def", null), "\uD834\uDF06", "null");
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a(t.call("\uD834\uDF06def", undefined), "\uD834\uDF06", "undefined");
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a(t.call("\uD834\uDF06def"), "\uD834\uDF06", "No arguments");
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a(t.call("\uD834\uDF06def", false), "\uD834\uDF06", "false");
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a(t.call("\uD834\uDF06def", NaN), "\uD834\uDF06", "NaN");
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a(t.call("\uD834\uDF06def", ""), "\uD834\uDF06", "Empty string");
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a(t.call("\uD834\uDF06def", "_"), "\uD834\uDF06", "_");
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a(t.call("\uD834\uDF06def", "1"), "\uDF06", "'1'");
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a.h1("Lone high surrogates");
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a(t.call("\uD834abc", -Infinity), "", "-Infinity");
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a(t.call("\uD834abc", -1), "", "-1");
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a(t.call("\uD834abc", -0), "\uD834", "-0");
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a(t.call("\uD834abc", +0), "\uD834", "+0");
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a(t.call("\uD834abc", 1), "a", "1");
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a(t.call("\uD834abc", 42), "", "42");
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a(t.call("\uD834abc", Number(Infinity)), "", "Infinity");
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a(t.call("\uD834abc", null), "\uD834", "null");
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a(t.call("\uD834abc", undefined), "\uD834", "undefined");
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a(t.call("\uD834abc"), "\uD834", "No arguments");
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a(t.call("\uD834abc", false), "\uD834", "false");
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a(t.call("\uD834abc", NaN), "\uD834", "NaN");
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a(t.call("\uD834abc", ""), "\uD834", "Empty string");
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a(t.call("\uD834abc", "_"), "\uD834", "_");
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a(t.call("\uD834abc", "1"), "a", "'a'");
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a.h1("Lone low surrogates");
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a(t.call("\uDF06abc", -Infinity), "", "-Infinity");
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a(t.call("\uDF06abc", -1), "", "-1");
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a(t.call("\uDF06abc", -0), "\uDF06", "-0");
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a(t.call("\uDF06abc", +0), "\uDF06", "+0");
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a(t.call("\uDF06abc", 1), "a", "1");
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a(t.call("\uDF06abc", 42), "", "42");
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a(t.call("\uDF06abc", Number(Infinity)), "", "+Infinity");
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a(t.call("\uDF06abc", null), "\uDF06", "null");
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a(t.call("\uDF06abc", undefined), "\uDF06", "undefined");
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a(t.call("\uDF06abc"), "\uDF06", "No arguments");
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a(t.call("\uDF06abc", false), "\uDF06", "false");
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a(t.call("\uDF06abc", NaN), "\uDF06", "NaN");
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a(t.call("\uDF06abc", ""), "\uDF06", "Empty string");
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a(t.call("\uDF06abc", "_"), "\uDF06", "_");
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a(t.call("\uDF06abc", "1"), "a", "'1'");
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a.h1("Context");
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a.throws(function () { t.call(undefined); }, TypeError, "Undefined");
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a.throws(function () { t.call(undefined, 4); }, TypeError, "Undefined + argument");
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a.throws(function () { t.call(null); }, TypeError, "Null");
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a.throws(function () { t.call(null, 4); }, TypeError, "Null + argument");
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a(t.call(42, 0), "4", "Number #1");
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a(t.call(42, 1), "2", "Number #2");
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a(t.call({ toString: function () { return "abc"; } }, 2), "c", "Object");
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};
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