blob: 23a6caa5d7a1d81b2b004b726bc8faf58c13733f [file] [log] [blame]
// Copyright (c) 2015, the Dart project authors. Please see the AUTHORS file
// for details. All rights reserved. Use of this source code is governed by a
// BSD-style license that can be found in the LICENSE file.
// @dart = 2.7
// Test that when a deferred import fails to load, it is possible to retry.
import "deferred_fail_and_retry_lib.dart" deferred as lib;
import "package:expect/expect.dart";
import "package:async_helper/async_helper.dart";
import "dart:js" as js;
main() {
// We patch document.body.appendChild to change the script src on first
// invocation.
js.context.callMethod("eval", [
"""
if (self.document) {
oldAppendChild = document.body.appendChild;
document.body.appendChild = function(element) {
element.src = "non_existing.js";
document.body.appendChild = oldAppendChild;
document.body.appendChild(element);
}
}
if (self.load) {
oldLoad = load;
load = function(uri) {
load = oldLoad;
load("non_existing.js");
}
}
"""
]);
asyncStart();
lib.loadLibrary().then((_) {
Expect.fail("Library should not have loaded");
}, onError: (error) {
lib.loadLibrary().then((_) {
Expect.equals("loaded", lib.foo());
}, onError: (error) {
Expect.fail("Library should have loaded this time");
}).whenComplete(() {
asyncEnd();
});
});
}