Revert zone tasks.

tests/html/xhr_task2_test.dart

Index: tests/html/xhr_task2_test.dart
diff --git a/tests/html/xhr_task2_test.dart b/tests/html/xhr_task2_test.dart
deleted file mode 100644
index ed0f2dd20b237bca9a78f1bff8052f7ad9216dde..0000000000000000000000000000000000000000
--- a/tests/html/xhr_task2_test.dart
+++ /dev/null
@@ -1,280 +0,0 @@
-// Copyright (c) 2016, 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.
-
-library XHRTask2Test;
-
-import 'dart:async';
-import 'dart:convert';
-import 'dart:html';
-import 'dart:typed_data';
-import 'package:unittest/html_individual_config.dart';
-import 'package:unittest/unittest.dart';
-
-class MockProgressEvent implements ProgressEvent {
-  final target;
-  MockProgressEvent(this.target);
-
-  noSuchMethod(Invocation invocation) {
-    throw "missing function in MockProgressEvent";
-  }
-}
-
-class MockHttpRequestTask implements Future<HttpRequest> {
-  final Completer completer = new Completer<MockHttpRequestTask>();
-  final HttpRequestTaskSpecification spec;
-  final Zone zone;
-
-  MockHttpRequestTask(this.spec, this.zone);
-
-  void trigger(String response) {
-    var xhr = new MockHttpRequest(spec, response);
-    var arg;
-    if (spec.url == "NonExistingFile") {
-      arg = new MockProgressEvent(xhr);
-    } else {
-      arg = xhr;
-    }
-    zone.runTask(run, this, arg);
-  }
-
-  then(onData, {onError}) => completer.future.then(onData, onError: onError);
-  catchError(f, {test}) => completer.future.catchError(f, test: test);
-  whenComplete(f) => completer.future.whenComplete(f);
-  asStream() => completer.future.asStream();
-  timeout(timeLimit, {onTimeout}) =>
-      completer.future.timeout(timeLimit, onTimeout: onTimeout);
-
-  static create(HttpRequestTaskSpecification spec, Zone zone) {
-    return new MockHttpRequestTask(spec, zone);
-  }
-
-  static run(MockHttpRequestTask task, value) {
-    if (value is HttpRequest) {
-      task.completer.complete(value);
-    } else {
-      task.completer.completeError(value);
-    }
-  }
-}
-
-class MockHttpRequest implements HttpRequest {
-  final HttpRequestTaskSpecification spec;
-  final response;
-
-  MockHttpRequest(this.spec, this.response);
-
-  noSuchMethod(Invocation invocation) {
-    print("isGetter: ${invocation.isGetter}");
-    print("isMethod: ${invocation.isMethod}");
-    print("memberName: ${invocation.memberName}");
-  }
-
-  int get status => spec.url == "NonExistingFile" ? 404 : 200;
-
-  get readyState => HttpRequest.DONE;
-  get responseText => "$response";
-
-  Map get responseHeaders => {'content-type': 'text/plain; charset=utf-8',};
-}
-
-main() {
-  useHtmlIndividualConfiguration();
-  unittestConfiguration.timeout = const Duration(milliseconds: 800);
-
-  var urlExpando = new Expando();
-
-  var url = 'some/url.html';
-
-  Function buildCreateTaskHandler(List log, List tasks) {
-    Object createTaskHandler(Zone self, ZoneDelegate parent, Zone zone,
-        TaskCreate create, TaskSpecification spec) {
-      if (spec is HttpRequestTaskSpecification) {
-        var url = spec.url;
-        var method = spec.method;
-        var withCredentials = spec.withCredentials;
-        var responseType = spec.responseType;
-        var mimeType = spec.mimeType;
-        var data = spec.sendData;
-
-        log.add("request $url");
-        var dataLog = data is List<int> ? "binary ${data.length}" : "$data";
-        log.add("  method: $method withCredentials: $withCredentials "
-            "responseType: $responseType mimeType: $mimeType data: $dataLog");
-        var task = parent.createTask(zone, MockHttpRequestTask.create, spec);
-        urlExpando[task] = url;
-        tasks.add(task);
-        return task;
-      }
-      if (spec is EventSubscriptionSpecification) {
-        EventSubscriptionSpecification eventSpec = spec;
-        if (eventSpec.target is HttpRequest) {
-          HttpRequest target = eventSpec.target;
-          log.add("event listener on http-request ${eventSpec.eventType}");
-          if (eventSpec.eventType == "readystatechange") {
-            var oldOnData = eventSpec.onData;
-            spec = eventSpec.replace(onData: (event) {
-              oldOnData(event);
-              if (target.readyState == HttpRequest.DONE) {
-                log.add("unknown request done");
-              }
-            });
-          }
-        }
-      }
-      return parent.createTask(zone, create, spec);
-    }
-
-    return createTaskHandler;
-  }
-
-  Function buildRunTaskHandler(List log, List tasks) {
-    void runTaskHandler(Zone self, ZoneDelegate parent, Zone zone, TaskRun run,
-        Object task, Object arg) {
-      if (tasks.contains(task)) {
-        var url = urlExpando[task];
-        if (arg is Error || arg is Exception) {
-          log.add("failed $url");
-        } else {
-          if (arg is ProgressEvent) {
-            log.add("success $url with progress-event");
-          } else if (arg is HttpRequest) {
-            log.add("success $url with http-request");
-          } else {
-            log.add("success $url (unknown arg)");
-          }
-        }
-      }
-      parent.runTask(zone, run, task, arg);
-    }
-
-    return runTaskHandler;
-  }
-
-  Future<List> runMocked(response, fun) async {
-    var log = [];
-    var tasks = [];
-    var future = runZoned(fun,
-        zoneSpecification: new ZoneSpecification(
-            createTask: buildCreateTaskHandler(log, tasks),
-            runTask: buildRunTaskHandler(log, tasks)));
-    // Wait a full cycle to make sure things settle.
-    await new Future(() {});
-    var beforeTriggerLog = log.toList();
-    log.clear();
-    expect(tasks.length, 1);
-    tasks.single.trigger(response);
-    await future;
-    return [beforeTriggerLog, log];
-  }
-
-  void validate200Response(xhr) {
-    expect(xhr.status, equals(200));
-    var data = JSON.decode(xhr.responseText);
-    expect(data, contains('feed'));
-    expect(data['feed'], contains('entry'));
-    expect(data, isMap);
-  }
-
-  void validate404(xhr) {
-    expect(xhr.status, equals(404));
-    // We cannot say much about xhr.responseText, most HTTP servers will
-    // include an HTML page explaining the error to a human.
-    String responseText = xhr.responseText;
-    expect(responseText, isNotNull);
-  }
-
-  group('xhr', () {
-    test('XHR.request No file', () async {
-      var log = await runMocked("404", () {
-        var completer = new Completer();
-        HttpRequest.request('NonExistingFile').then((_) {
-          fail('Request should not have succeeded.');
-        }, onError: expectAsync((error) {
-          var xhr = error.target;
-          expect(xhr.readyState, equals(HttpRequest.DONE));
-          validate404(xhr);
-          completer.complete('done');
-        }));
-        return completer.future;
-      });
-      expect(
-          log,
-          equals([
-            [
-              'request NonExistingFile',
-              '  method: null withCredentials: null responseType: null '
-                  'mimeType: null data: null',
-            ],
-            ['success NonExistingFile with progress-event']
-          ]));
-    });
-
-    test('XHR.request file', () async {
-      var log = await runMocked('{"feed": {"entry": 499}}', () {
-        var completer = new Completer();
-        HttpRequest.request(url).then(expectAsync((xhr) {
-          expect(xhr.readyState, equals(HttpRequest.DONE));
-          validate200Response(xhr);
-          completer.complete('done');
-        }));
-        return completer.future;
-      });
-      expect(
-          log,
-          equals([
-            [
-              'request $url',
-              '  method: null withCredentials: null responseType: null '
-                  'mimeType: null data: null'
-            ],
-            ['success $url with http-request']
-          ]));
-    });
-
-    test('XHR.getString file', () async {
-      var log = await runMocked("foo", () {
-        return HttpRequest.getString(url).then(expectAsync((str) {}));
-      });
-      expect(
-          log,
-          equals([
-            [
-              'request $url',
-              '  method: null withCredentials: null responseType: null '
-                  'mimeType: null data: null'
-            ],
-            ['success $url with http-request']
-          ]));
-    });
-
-    test('XHR.request responseType arraybuffer', () async {
-      if (Platform.supportsTypedData) {
-        var data = new Uint8List(128);
-        var log = await runMocked(data.buffer, () {
-          return HttpRequest.request(url,
-              responseType: 'arraybuffer',
-              requestHeaders: {
-                'Content-Type': 'text/xml'
-              }).then(expectAsync((xhr) {
-            expect(xhr.status, equals(200));
-            var byteBuffer = xhr.response;
-            expect(byteBuffer, new isInstanceOf<ByteBuffer>());
-            expect(byteBuffer, isNotNull);
-          }));
-        });
-        expect(
-            log,
-            equals([
-              [
-                'request $url',
-                '  method: null withCredentials: null responseType: arraybuffer'
-                    ' mimeType: null data: null'
-              ],
-              ['success $url with http-request']
-            ]));
-      }
-      ;
-    });
-  });
-}