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Contents
"use strict";
var assert = require("chai").assert
, isRegExp = require("../../reg-exp/is");
describe("reg-exp/is", function () {
it("Should return true on regular expression", function () {
assert.equal(isRegExp(/foo/), true);
});
it("Should return false on native regular expression with no common API exposed", function () {
var re = /foo/;
re.test = null;
assert.equal(isRegExp(re), false);
});
it("Should return false on RegExp.prototype", function () {
assert.equal(isRegExp(RegExp.prototype), false);
});
it("Should return false on regexp like string", function () {
assert.equal(isRegExp("/foo/"), false);
});
it("Should return false on plain object", function () { assert.equal(isRegExp({}), false); });
it("Should return false on function", function () {
assert.equal(isRegExp(function () { return true; }), false);
});
it("Should return false on array", function () { assert.equal(isRegExp([]), false); });
if (typeof Object.create === "function") {
it("Should return false on object with no prototype", function () {
assert.equal(isRegExp(Object.create(null)), false);
});
}
it("Should return false on string", function () { assert.equal(isRegExp("foo"), false); });
it("Should return false on empty string", function () { assert.equal(isRegExp(""), false); });
it("Should return false on number", function () { assert.equal(isRegExp(123), false); });
it("Should return false on NaN", function () { assert.equal(isRegExp(NaN), false); });
it("Should return false on boolean", function () { assert.equal(isRegExp(true), false); });
if (typeof Symbol === "function") {
it("Should return false on symbol", function () {
assert.equal(isRegExp(Symbol("foo")), false);
});
}
it("Should return false on null", function () { assert.equal(isRegExp(null), false); });
it("Should return false on undefined", function () { assert.equal(isRegExp(void 0), false); });
});
Version data entries
30 entries across 29 versions & 2 rubygems