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82 lines
2.7 KiB
82 lines
2.7 KiB
/* eslint no-useless-call: "off" */
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// Most tests taken from https://github.com/mathiasbynens/Array.of/blob/master/tests/tests.js
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// Thanks @mathiasbynens
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"use strict";
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var defineProperty = Object.defineProperty;
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module.exports = function (t, a) {
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var x = {}, testObject, MyType;
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a.deep(t(), [], "No arguments");
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a.deep(t(3), [3], "One numeric argument");
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a.deep(t(3, "raz", null, x, undefined), [3, "raz", null, x, undefined], "Many arguments");
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a(t.length, 0, "Length");
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a.deep(t("abc"), ["abc"], "String");
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a.deep(t(undefined), [undefined], "Undefined");
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a.deep(t(null), [null], "Null");
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a.deep(t(false), [false], "Boolean");
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a.deep(t(-Infinity), [-Infinity], "Infinity");
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a.deep(t(-0), [-0], "-0");
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a.deep(t(+0), [+0], "+0");
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a.deep(t(1), [1], "1");
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a.deep(t(1, 2, 3), [1, 2, 3], "Numeric args");
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a.deep(t(Number(Infinity)), [Number(Infinity)], "+Infinity");
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a.deep(
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t({ 0: "a", 1: "b", 2: "c", length: 3 }), [{ 0: "a", 1: "b", 2: "c", length: 3 }],
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"Array like"
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);
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a.deep(
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t(undefined, null, false, -Infinity, -0, +0, 1, 2, Number(Infinity)),
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[undefined, null, false, -Infinity, -0, +0, 1, 2, Number(Infinity)], "Falsy arguments"
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);
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a.h1("Null context");
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a.deep(t.call(null, "abc"), ["abc"], "String");
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a.deep(t.call(null, undefined), [undefined], "Undefined");
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a.deep(t.call(null, null), [null], "Null");
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a.deep(t.call(null, false), [false], "Boolean");
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a.deep(t.call(null, -Infinity), [-Infinity], "-Infinity");
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a.deep(t.call(null, -0), [-0], "-0");
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a.deep(t.call(null, +0), [+0], "+0");
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a.deep(t.call(null, 1), [1], "1");
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a.deep(t.call(null, 1, 2, 3), [1, 2, 3], "Numeric");
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a.deep(t.call(null, Number(Infinity)), [Number(Infinity)], "+Infinity");
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a.deep(
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t.call(null, { 0: "a", 1: "b", 2: "c", length: 3 }),
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[{ 0: "a", 1: "b", 2: "c", length: 3 }], "Array-like"
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);
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a.deep(
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t.call(null, undefined, null, false, -Infinity, -0, +0, 1, 2, Number(Infinity)),
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[undefined, null, false, -Infinity, -0, +0, 1, 2, Number(Infinity)], "Falsy"
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);
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a.h1("Other constructor context");
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a.deep(t.call(Object, 1, 2, 3), { 0: 1, 1: 2, 2: 3, length: 3 }, "Many arguments");
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testObject = Object(3);
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testObject[0] = 1;
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testObject[1] = 2;
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testObject[2] = 3;
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testObject.length = 3;
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a.deep(t.call(Object, 1, 2, 3), testObject, "Test object");
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a(t.call(Object).length, 0, "No arguments");
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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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"Frozen instance"
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);
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// Ensure no setters are called for the indexes
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MyType = function () {};
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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, "abc"), { 0: "abc", length: 1 }, "Define, not set");
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};
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