safe-to-string.js
1.17 KB
"use strict";
var assert = require("chai").assert
, safeToString = require("../../lib/safe-to-string");
describe("lib/safe-to-string", function () {
it("Should return input string", function () { assert.equal(safeToString("foo"), "foo"); });
it("Should coerce numbers", function () { assert.equal(safeToString(12), "12"); });
it("Should coerce booleans", function () { assert.equal(safeToString(true), "true"); });
it("Should coerce string objects", function () {
assert.equal(safeToString(new String("bar")), "bar");
});
it("Should coerce objects", function () {
assert.equal(
safeToString({ toString: function () { return "Some object"; } }), "Some object"
);
});
it("Should coerce null", function () { assert.equal(safeToString(null), "null"); });
it("Should coerce undefined", function () {
assert.equal(safeToString(undefined), "undefined");
});
if (typeof Symbol === "function") {
it("Should coerce symbols", function () {
// eslint-disable-next-line no-undef
assert.equal(safeToString(Symbol()), "Symbol()");
});
}
it("Should return null for non coercible values", function () {
assert.equal(safeToString({ toString: null }), null);
});
});