48 lines
1.8 KiB
Plaintext
48 lines
1.8 KiB
Plaintext
"use strict";
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var assert = require("chai").assert
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, isPlainObject = require("../../plain-object/is");
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describe("plain-object/is", function () {
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it("Should return true on plain object", function () {
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assert.equal(isPlainObject({}), true);
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});
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if (typeof Object.create === "function") {
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it("Should return true on object with no prototype", function () {
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assert.equal(isPlainObject(Object.create(null)), true);
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});
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it(
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"Should return false on object that inherits from object with no prototype",
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function () { assert.equal(isPlainObject(Object.create(Object.create(null))), false); }
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);
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}
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it("Should return false on Object.prototype", function () {
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assert.equal(isPlainObject(Object.prototype), false);
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});
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it("Should return false on prototype that derives from Object.prototype", function () {
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assert.equal(isPlainObject(RegExp.prototype), false);
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});
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it("Should return false on function", function () {
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assert.equal(isPlainObject(function () { return true; }), false);
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});
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it("Should return false on string", function () { assert.equal(isPlainObject("foo"), false); });
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it("Should return false on empty string", function () {
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assert.equal(isPlainObject(""), false);
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});
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it("Should return false on number", function () { assert.equal(isPlainObject(123), false); });
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it("Should return false on NaN", function () { assert.equal(isPlainObject(NaN), false); });
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it("Should return false on boolean", function () { assert.equal(isPlainObject(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(isPlainObject(Symbol("foo")), false);
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});
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}
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it("Should return false on null", function () { assert.equal(isPlainObject(null), false); });
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it("Should return false on undefined", function () {
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assert.equal(isPlainObject(void 0), false);
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});
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});
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