Delete polymer from the Dart repo

pkg/polymer/test/unbind_test.dart

-// Copyright (c) 2013, 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 polymer.test.unbind_test;
-
-import 'dart:async' show Future, scheduleMicrotask;
-import 'dart:html';
-
-@MirrorsUsed(targets: const [Polymer], override: 'polymer.test.unbind_test')
-import 'dart:mirrors' show reflect, reflectClass, MirrorSystem, MirrorsUsed;
-
-import 'package:polymer/polymer.dart';
-import 'package:unittest/unittest.dart';
-import 'package:unittest/html_config.dart';
-
-@CustomTag('x-test')
-class XTest extends PolymerElement {
-  @observable var foo = '';
-  @observable var bar;
-
-  bool fooWasChanged = false;
-  var validBar;
-
-  factory XTest() => new Element.tag('x-test');
-  XTest.created() : super.created();
-
-  ready() {}
-
-  fooChanged() {
-    fooWasChanged = true;
-  }
-
-  barChanged() {
-    validBar = bar;
-  }
-
-  bool get isBarValid => validBar == bar;
-}
-
-main() => initPolymer().run(() {
-  useHtmlConfiguration();
-
-  setUp(() => Polymer.onReady);
-
-  test('unbind', unbindTests);
-});
-
-Future testAsync(List<Function> tests, int delayMs, [List args]) {
-  if (tests.length == 0) return new Future.value();
-  // TODO(jmesserly): CustomElements.takeRecords();
-  return new Future.delayed(new Duration(milliseconds: delayMs), () {
-    if (args == null) args = [];
-    var lastArgs = Function.apply(tests.removeAt(0), args);
-    return testAsync(tests, delayMs, lastArgs);
-  });
-}
-
-// TODO(sorvell): In IE, the unbind time is indeterminate, so wait an
-// extra beat.
-delay(x) => new Future.delayed(new Duration(milliseconds: 50), () => x);
-
-// TODO(jmesserly): fix this when it's easier to get a private symbol.
-final unboundSymbol = reflectClass(Polymer).declarations.keys
-    .firstWhere((s) => MirrorSystem.getName(s) == '_unbound');
-final observersSymbol = reflectClass(Polymer).declarations.keys
-    .firstWhere((s) => MirrorSystem.getName(s) == '_observers');
-
-_unbound(node) => reflect(node).getField(unboundSymbol).reflectee;
-_observerCount(node) =>
-    reflect(node).getField(observersSymbol).reflectee.length;
-
-unbindTests() {
-  var xTest = document.querySelector('x-test');
-  xTest.foo = 'bar';
-  scheduleMicrotask(Observable.dirtyCheck);
-
-  return delay(null).then((_) {
-    expect(_unbound(xTest), null, reason:
-        'element is bound when inserted');
-    expect(xTest.fooWasChanged, true, reason:
-        'element is actually bound');
-    // Dart note: we don't have a way to check for the global count of
-    // observables/bindables, so we just check the count in the node.
-    expect(_observerCount(xTest), greaterThan(0));
-    xTest.remove();
-  }).then(delay).then((_) {
-    expect(_unbound(xTest), true, reason:
-        'element is unbound when removed');
-    expect(_observerCount(xTest), 0);
-    return new XTest();
-  }).then(delay).then((node) {
-    expect(_unbound(node), null, reason:
-        'element is bound when not inserted');
-    node.foo = 'bar';
-    expect(_observerCount(node), greaterThan(0));
-    scheduleMicrotask(Observable.dirtyCheck);
-    return node;
-  }).then(delay).then((node) {
-    expect(node.fooWasChanged, true, reason: 'node is actually bound');
-    node.unbindAll();
-    var n = new XTest();
-    n.cancelUnbindAll();
-    return n;
-  }).then(delay).then((node) {
-    expect(_unbound(node), null, reason:
-        'element is bound when cancelUnbindAll is called');
-    expect(_observerCount(node), greaterThan(0));
-    node.unbindAll();
-    expect(_unbound(node), true, reason:
-        'element is unbound when unbindAll is called');
-    expect(_observerCount(node), 0);
-    var n = new XTest()..id = 'foobar!!!';
-    document.body.append(n);
-    return n;
-  }).then(delay).then((node) {
-    expect(_unbound(node), null, reason:
-        'element is bound when manually inserted');
-    expect(_observerCount(node), greaterThan(0));
-    node.remove();
-    return node;
-  }).then(delay).then((node) {
-    expect(_unbound(node), true, reason:
-        'element is unbound when manually removed is called');
-    expect(_observerCount(node), 0);
-  });
-}