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132 lines
4.5 KiB
132 lines
4.5 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( |
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function () { |
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t.call(undefined); |
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}, |
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TypeError, |
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"Undefined" |
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); |
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a.throws( |
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function () { |
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t.call(undefined, 4); |
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}, |
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TypeError, |
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"Undefined + argument" |
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); |
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a.throws( |
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function () { |
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t.call(null); |
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}, |
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TypeError, |
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"Null" |
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); |
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a.throws( |
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function () { |
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t.call(null, 4); |
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}, |
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TypeError, |
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"Null + argument" |
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); |
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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( |
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t.call( |
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{ |
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toString: function () { |
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return "abc"; |
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} |
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}, |
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2 |
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), |
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"c", |
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"Object" |
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); |
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};
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