function test_not_too_long() { var ios = Cc["@mozilla.org/network/io-service;1"]. getService(Ci.nsIIOService); var spec = "jar:http://example.com/bar.jar!/"; try { var newURI = ios.newURI(spec, null, null); } catch (e) { do_throw("newURI threw even though it wasn't passed a large nested URI?"); } } function test_too_long() { var ios = Cc["@mozilla.org/network/io-service;1"]. getService(Ci.nsIIOService); var i; var prefix = "jar:"; for (i = 0; i < 16; i++) { prefix = prefix + prefix; } var suffix = "!/"; for (i = 0; i < 16; i++) { suffix = suffix + suffix; } var spec = prefix + "http://example.com/bar.jar" + suffix; try { // The following will produce a recursive call that if // unchecked would lead to a stack overflow. If we // do not crash here and thus an exception is caught // we have passed the test. var newURI = ios.newURI(spec, null, null); } catch (e) { return; } } function run_test() { test_not_too_long(); test_too_long(); }