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64 lines
2.4 KiB
64 lines
2.4 KiB
// Some tests taken from: https://github.com/mathiasbynens/Array.from/blob/master/tests/tests.js
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"use strict";
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module.exports = function (t, a) {
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var o = [1, 2, 3], MyType;
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a.not(t(o), o, "Array");
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a.deep(t(o), o, "Array: same content");
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a.deep(t("12r3v"), ["1", "2", "r", "3", "v"], "String");
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a.deep(t((function () { return arguments; })(3, o, "raz")), [3, o, "raz"], "Arguments");
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a.deep(t((function () { return arguments; })(3)), [3], "Arguments with one numeric value");
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a.deep(t({ 0: "raz", 1: "dwa", length: 2 }), ["raz", "dwa"], "Other");
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a.deep(t(o, function (val) { return (val + 2) * 10; }, 10), [30, 40, 50], "Mapping");
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a.throws(function () { t(); }, TypeError, "Undefined");
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a.deep(t(3), [], "Primitive");
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a(t.length, 1, "Length");
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a.deep(t({ length: 0 }), [], "No values Array-like");
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a.deep(t({ length: -1 }), [], "Invalid length Array-like");
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a.deep(t({ length: -Infinity }), [], "Invalid length Array-like #2");
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a.throws(function () { t(undefined); }, TypeError, "Undefined");
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a.throws(function () { t(null); }, TypeError, "Null");
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a.deep(t(false), [], "Boolean");
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a.deep(t(-Infinity), [], "Inifity");
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a.deep(t(-0), [], "-0");
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a.deep(t(+0), [], "+0");
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a.deep(t(1), [], "1");
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a.deep(t(Number(Infinity)), [], "+Infinity");
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a.deep(t({}), [], "Plain object");
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a.deep(t({ length: 1 }), [undefined], "Sparse array-like");
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a.deep(t({ 0: "a", 1: "b", length: 2 }, function (x) { return x + x; }), ["aa", "bb"], "Map");
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a.deep(
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t({ 0: "a", 1: "b", length: 2 }, function () { return String(this); }, undefined),
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["undefined", "undefined"], "Map context"
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);
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a.deep(
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t({ 0: "a", 1: "b", length: 2 }, function () { return String(this); }, "x"), ["x", "x"],
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"Map primitive context"
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);
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a.throws(function () { t({}, "foo", "x"); }, TypeError, "Non callable for map");
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a.deep(t({ length: 1, 0: "a" }), ["a"], "Null context");
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a(t({ __proto__: { 0: "abc", length: 1 } })[0], "abc", "Values on prototype");
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a.throws(
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function () {
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t.call(function () { return Object.freeze({}); }, {});
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},
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TypeError,
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"Contructor producing freezed objects"
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);
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// Ensure no setters are called for the indexes
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// Ensure no setters are called for the indexes
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MyType = function () {};
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Object.defineProperty(MyType.prototype, "0", {
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set: function (x) { throw new Error("Setter called: " + x); }
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});
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a.deep(t.call(MyType, { 0: "abc", length: 1 }), { 0: "abc", length: 1 }, "Defined not set");
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};
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