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89 lines
2.7 KiB
89 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 }), |
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[{ 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)], |
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"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 }], |
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"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)], |
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"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 () { |
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return Object.freeze({}); |
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}); |
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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) { |
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throw new Error("Setter called: " + x); |
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} |
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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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