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Contents
"use strict";
var assert = require("chai").assert
, isArrayLike = require("../../array-like/is");
describe("array-like/is", function () {
it("Should return true on array", function () { assert.equal(isArrayLike([]), true); });
it("Should return true on array-like object", function () {
assert.equal(isArrayLike({ length: 1 }), true);
});
it("Should by default return false on string", function () {
assert.equal(isArrayLike("foo"), false);
});
it("Should accept strings if specified", function () {
assert.equal(isArrayLike("foo", { allowString: true }), true);
});
it("Should return false on objects with negative length", function () {
assert.equal(isArrayLike({ length: -1 }), false);
});
it("Should return false on plain object", function () {
assert.equal(isArrayLike({}), false);
});
it("Should return false on function", function () {
assert.equal(isArrayLike(function () { return true; }), false);
});
if (typeof Object.create === "function") {
it("Should return false on object with no prototype", function () {
assert.equal(isArrayLike(Object.create(null)), false);
});
}
it("Should return false on number", function () { assert.equal(isArrayLike(123), false); });
it("Should return false on NaN", function () { assert.equal(isArrayLike(NaN), false); });
it("Should return false on boolean", function () { assert.equal(isArrayLike(true), false); });
if (typeof Symbol === "function") {
it("Should return false on symbol", function () {
assert.equal(isArrayLike(Symbol("foo")), false);
});
}
it("Should return false on null", function () { assert.equal(isArrayLike(null), false); });
it("Should return false on undefined", function () {
assert.equal(isArrayLike(void 0), false);
});
});
Version data entries
30 entries across 29 versions & 2 rubygems