42 lines
1.6 KiB
Plaintext
42 lines
1.6 KiB
Plaintext
"use strict";
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var assert = require("chai").assert
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, isArray = require("../../array/is");
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describe("array/is", function () {
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it("Should return true on array", function () { assert.equal(isArray([]), true); });
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it("Should return false on array with no common API exposed", function () {
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var value = [];
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value.push = null;
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assert.equal(isArray(value), false);
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});
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it("Should return false on Array.prototype", function () {
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assert.equal(isArray(Array.prototype), false);
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});
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it("Should return false on plain object", function () { assert.equal(isArray({}), false); });
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it("Should return false on function", function () {
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assert.equal(isArray(function () { return true; }), false);
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});
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if (typeof Object.create === "function") {
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it("Should return false on object with no prototype", function () {
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assert.equal(isArray(Object.create(null)), false);
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});
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}
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it("Should return false on string", function () { assert.equal(isArray("foo"), false); });
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it("Should return false on empty string", function () { assert.equal(isArray(""), false); });
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it("Should return false on number", function () { assert.equal(isArray(123), false); });
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it("Should return false on NaN", function () { assert.equal(isArray(NaN), false); });
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it("Should return false on boolean", function () { assert.equal(isArray(true), false); });
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if (typeof Symbol === "function") {
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it("Should return false on symbol", function () {
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assert.equal(isArray(Symbol("foo")), false);
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});
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}
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it("Should return false on null", function () { assert.equal(isArray(null), false); });
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it("Should return false on undefined", function () { assert.equal(isArray(void 0), false); });
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});
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