michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: const Cu = Components.utils;
michael@0: function run_test() {
michael@0:   let sb = new Cu.Sandbox(this);
michael@0:   var called = false;
michael@0: 
michael@0:   Cu.exportFunction(function(str) { do_check_true(/someString/.test(str)); called = true; },
michael@0:                     sb, { defineAs: "func" });
michael@0:   // Do something weird with the string to make sure that it doesn't get interned.
michael@0:   Cu.evalInSandbox("var str = 'someString'; for (var i = 0; i < 10; ++i) str += i;", sb);
michael@0:   Cu.evalInSandbox("func(str);", sb);
michael@0:   do_check_true(called);
michael@0: }