"use strict";

var _assertions = require("./assertions");
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describe("assertions", function () {
  describe("isFunction", function () {
    it("returns true for functions", function () {
      expect((0, _assertions.isFunction)(function () {})).toBe(true);
      expect((0, _assertions.isFunction)(function () {})).toBe(true);
      expect((0, _assertions.isFunction)(/*#__PURE__*/_asyncToGenerator(/*#__PURE__*/_regenerator().m(function _callee() {
        return _regenerator().w(function (_context) {
          while (1) switch (_context.n) {
            case 0:
              return _context.a(2);
          }
        }, _callee);
      })))).toBe(true);
      expect((0, _assertions.isFunction)(Math.max)).toBe(true);
    });
    it("returns false for non-functions", function () {
      expect((0, _assertions.isFunction)(null)).toBe(false);
      expect((0, _assertions.isFunction)(undefined)).toBe(false);
      expect((0, _assertions.isFunction)({})).toBe(false);
      expect((0, _assertions.isFunction)([])).toBe(false);
      expect((0, _assertions.isFunction)("string")).toBe(false);
      expect((0, _assertions.isFunction)(123)).toBe(false);
      expect((0, _assertions.isFunction)(true)).toBe(false);
    });
  });
  describe("isArray", function () {
    it("returns true for arrays", function () {
      expect((0, _assertions.isArray)([])).toBe(true);
      expect((0, _assertions.isArray)([1, 2, 3])).toBe(true);
      expect((0, _assertions.isArray)(new Array())).toBe(true);
      expect((0, _assertions.isArray)(Array.from("abc"))).toBe(true);
    });
    it("returns false for non-arrays", function () {
      expect((0, _assertions.isArray)(null)).toBe(false);
      expect((0, _assertions.isArray)(undefined)).toBe(false);
      expect((0, _assertions.isArray)({})).toBe(false);
      expect((0, _assertions.isArray)("string")).toBe(false);
      expect((0, _assertions.isArray)(123)).toBe(false);
      expect((0, _assertions.isArray)(true)).toBe(false);
      expect((0, _assertions.isArray)(function () {})).toBe(false);
    });
  });
  describe("isObject", function () {
    it("returns true for objects", function () {
      expect((0, _assertions.isObject)({})).toBe(true);
      expect((0, _assertions.isObject)({
        key: "value"
      })).toBe(true);
      expect((0, _assertions.isObject)(new Date())).toBe(true);
      expect((0, _assertions.isObject)(new RegExp(""))).toBe(true);
    });
    it("returns true for functions", function () {
      expect((0, _assertions.isObject)(function () {})).toBe(true);
      expect((0, _assertions.isObject)(function () {})).toBe(true);
    });
    it("returns false for arrays", function () {
      expect((0, _assertions.isObject)([])).toBe(false);
      expect((0, _assertions.isObject)([1, 2, 3])).toBe(false);
    });
    it("returns false for primitives", function () {
      expect((0, _assertions.isObject)(null)).toBe(false);
      expect((0, _assertions.isObject)(undefined)).toBe(false);
      expect((0, _assertions.isObject)("string")).toBe(false);
      expect((0, _assertions.isObject)(123)).toBe(false);
      expect((0, _assertions.isObject)(true)).toBe(false);
    });
  });
  describe("isEmptyObject", function () {
    it("returns true for empty objects", function () {
      expect((0, _assertions.isEmptyObject)({})).toBe(true);
      expect((0, _assertions.isEmptyObject)(new Object())).toBe(true);
    });
    it("returns false for objects with properties", function () {
      expect((0, _assertions.isEmptyObject)({
        key: "value"
      })).toBe(false);
      expect((0, _assertions.isEmptyObject)({
        length: 0
      })).toBe(false);
    });
    it("returns false for non-objects", function () {
      expect((0, _assertions.isEmptyObject)([])).toBe(false);
      expect((0, _assertions.isEmptyObject)(null)).toBe(false);
      expect((0, _assertions.isEmptyObject)(undefined)).toBe(false);
      expect((0, _assertions.isEmptyObject)("")).toBe(false);
      expect((0, _assertions.isEmptyObject)(0)).toBe(false);
      expect((0, _assertions.isEmptyObject)(false)).toBe(false);
    });
    it("returns true for functions with no enumerable properties", function () {
      expect((0, _assertions.isEmptyObject)(function () {})).toBe(true);
      expect((0, _assertions.isEmptyObject)(function () {})).toBe(true);
    });
    it("returns false for objects with inherited properties", function () {
      function Constructor() {}
      Constructor.prototype.inherited = "value";
      var instance = new Constructor();
      expect((0, _assertions.isEmptyObject)(instance)).toBe(true); // only checks own properties
    });
    it("returns false for objects with non-enumerable properties", function () {
      var obj = {};
      Object.defineProperty(obj, "hidden", {
        value: "secret",
        enumerable: false
      });
      expect((0, _assertions.isEmptyObject)(obj)).toBe(true); // Object.keys only gets enumerable properties
    });
  });
});