const { Log } = ChromeUtils.importESModule( "resource://gre/modules/Log.sys.mjs" ); function run_test() { // Verify error with double extensions are handled correctly. const nsIExceptionTrace = Log.stackTrace({ location: { filename: "chrome://foo/bar/file.sys.mjs", lineNumber: 10, name: "func", caller: null, }, }); Assert.equal(nsIExceptionTrace, "Stack trace: func()@file.sys.mjs:10"); const JSExceptionTrace = Log.stackTrace({ stack: "func2@chrome://foo/bar/file.sys.mjs:10:2", }); Assert.equal(JSExceptionTrace, "JS Stack trace: func2@file.sys.mjs:10:2"); }