"use strict"; function run_test() { var tests = [ { data: "bar.foo.co.uk", result: "foo.co.uk" }, { data: "foo.bar.foo.co.uk", result: "bar.foo.co.uk" }, { data: "foo.co.uk", throw: true }, { data: "co.uk", throw: true }, { data: ".co.uk", throw: true }, { data: "com", throw: true }, { data: "tûlîp.foo.fr", result: "foo.fr" }, { data: "tûlîp.fôû.fr", result: "xn--f-xgav.fr" }, { data: "file://foo/bar", throw: true }, ]; tests.forEach(function(test) { try { var r = Services.eTLD.getNextSubDomain(test.data); Assert.equal(r, test.result); } catch (e) { Assert.ok(test.throw); } }); }