Add constructors to all the event classes.

client/tests/client/html/EventTests.dart

Index: client/tests/client/html/EventTests.dart
diff --git a/client/tests/client/html/EventTests.dart b/client/tests/client/html/EventTests.dart
new file mode 100644
index 0000000000000000000000000000000000000000..92f01ed6ce56075100d2d57c599c424d85f1f783
--- /dev/null
+++ b/client/tests/client/html/EventTests.dart
@@ -0,0 +1,205 @@
+// Copyright (c) 2011, 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.
+
+testEvents() {
+  eventTest(String name, Event eventFn(), void validate(Event),
+      [String type = 'foo']) {
+    test(name, () {
+      final el = new Element.tag('div');
+      var fired = false;
+      el.on[type].add((ev) {
+        fired = true;
+        validate(ev);
+      });
+      el.on[type].dispatch(eventFn());
+      Expect.isTrue(fired, 'Expected event to be dispatched.');
+    });
+  }
+
+  eventTest('AnimationEvent', () => new AnimationEvent('foo', 'color', 0.5),
+      (ev) {
+    Expect.equals('color', ev.animationName);
+    Expect.equals(0.5, ev.elapsedTime);
+  });
+
+  eventTest('BeforeLoadEvent',
+      () => new BeforeLoadEvent('foo', 'http://example.url'),
+      (ev) { Expect.equals('http://example.url', ev.url); });
+
+  eventTest('CloseEvent',
+      () => new CloseEvent('foo', 5, 'reason', wasClean: true),
+      (ev) {
+    Expect.equals(5, ev.code);
+    Expect.equals('reason', ev.reason);
+    Expect.isTrue(ev.wasClean);
+  });
+
+  eventTest('CompositionEvent',
+      () => new CompositionEvent('compositionstart', window, 'data'),
+      (ev) { Expect.equals('data', ev.data); },
+      type: 'compositionstart');
+
+  // initCustomEvent is not yet implemented
+  // eventTest('CustomEvent',
+  //     () => new CustomEvent('foo', false, false, 'detail'),
+  //     (ev) { Expect.equals('detail', ev.detail); });
+
+  // DeviceMotionEvent has no properties to itself, so just test that it doesn't
+  // error out on creation and can be dispatched.
+  eventTest('DeviceMotionEvent', () => new DeviceMotionEvent('foo'), (ev) {});
+
+  // initDeviceOrientationEvent is not yet implemented
+  // eventTest('DeviceOrientationEvent',
+  //     () => new DeviceOrientationEvent('foo', 0.1, 0.2, 0.3),
+  //     (ev) {
+  //   Expect.equals(0.1, ev.alpha);
+  //   Expect.equals(0.2, ev.beta);
+  //   Expect.equals(0.3, ev.gamma);
+  // });
+
+  eventTest('ErrorEvent',
+      () => new ErrorEvent('foo', 'message', 'filename', 10),
+      (ev) {
+    Expect.equals('message', ev.message);
+    Expect.equals('filename', ev.filename);
+    Expect.equals(10, ev.lineno);
+  });
+
+  eventTest('Event',
+      () => new Event('foo', canBubble: false, cancelable: false),
+      (ev) {
+    Expect.equals('foo', ev.type);
+    Expect.isFalse(ev.bubbles);
+    Expect.isFalse(ev.cancelable);
+  });
+
+  eventTest('HashChangeEvent',
+      () => new HashChangeEvent('foo', 'http://old.url', 'http://new.url'),
+      (ev) {
+    Expect.equals('http://old.url', ev.oldURL);
+    Expect.equals('http://new.url', ev.newURL);
+  });
+
+  eventTest('KeyboardEvent',
+      () => new KeyboardEvent('foo', window, 'key', 10, ctrlKey: true,
+          altKey: true, shiftKey: true, metaKey: true, altGraphKey: true),
+      (ev) {
+    Expect.equals('key', ev.keyIdentifier);
+    Expect.equals(10, ev.keyLocation);
+    Expect.isTrue(ev.ctrlKey);
+    Expect.isTrue(ev.altKey);
+    Expect.isTrue(ev.shiftKey);
+    Expect.isTrue(ev.metaKey);
+    Expect.isTrue(ev.altGraphKey);
+  });
+
+  eventTest('MouseEvent',
+      // canBubble and cancelable are currently required to avoid dartc
+      // complaining about the types of the named arguments.
+      () => new MouseEvent('foo', window, 1, 2, 3, 4, 5, 6, canBubble: true,
+          cancelable: true, ctrlKey: true, altKey: true, shiftKey: true,
+          metaKey: true, relatedTarget: new Element.tag('div')),
+      (ev) {
+    Expect.equals(1, ev.detail);
+    Expect.equals(2, ev.screenX);
+    Expect.equals(3, ev.screenY);
+    Expect.equals(4, ev.clientX);
+    Expect.equals(5, ev.clientY);
+    Expect.equals(6, ev.button);
+    Expect.isTrue(ev.ctrlKey);
+    Expect.isTrue(ev.altKey);
+    Expect.isTrue(ev.shiftKey);
+    Expect.isTrue(ev.metaKey);
+    Expect.equals('DIV', ev.relatedTarget.tagName);
+  });
+
+  eventTest('MutationEvent',
+      () => new MutationEvent('foo', new Element.tag('div'), 'red', 'blue',
+          'color', MutationEvent.MODIFICATION),
+      (ev) {
+    Expect.equals('DIV', ev.relatedNode.tagName);
+    Expect.equals('red', ev.prevValue);
+    Expect.equals('blue', ev.newValue);
+    Expect.equals('color', ev.attrName);
+    Expect.equals(MutationEvent.MODIFICATION, ev.attrChange);
+  });
+
+  eventTest('OverflowEvent',
+      () => new OverflowEvent(OverflowEvent.BOTH, true, true),
+      (ev) {
+    Expect.equals(OverflowEvent.BOTH, ev.orient);
+    Expect.isTrue(ev.horizontalOverflow);
+    Expect.isTrue(ev.verticalOverflow);
+  }, type: 'overflowchanged');
+
+  eventTest('PageTransitionEvent',
+      () => new PageTransitionEvent('foo', persisted: true),
+      (ev) { Expect.isTrue(ev.persisted); });
+
+  // initPopStateEvent is not yet implemented
+  // eventTest('PopStateEvent', () => new PopStateEvent('foo', 'state'),
+  //     (ev) { Expect.equals('state', ev.state); }
+
+  eventTest('ProgressEvent',
+      // canBubble and cancelable are currently required to avoid dartc
+      // complaining about the types of the named arguments.
+      () => new ProgressEvent('foo', 5, canBubble: true, cancelable: true,
+          lengthComputable: true, total: 10),
+      (ev) {
+    Expect.equals(5, ev.loaded);
+    Expect.isTrue(ev.lengthComputable);
+    Expect.equals(10, ev.total);
+  });
+
+  eventTest('StorageEvent',
+      () => new StorageEvent('foo', 'key', 'http://example.url',
+          window.localStorage, canBubble: true, cancelable: true,
+          oldValue: 'old', newValue: 'new'),
+      (ev) {
+    Expect.equals('key', ev.key);
+    Expect.equals('http://example.url', ev.url);
+    // Equality isn't preserved for storageArea
+    Expect.isNotNull(ev.storageArea);
+    Expect.equals('old', ev.oldValue);
+    Expect.equals('new', ev.newValue);
+  });
+
+  eventTest('TextEvent', () => new TextEvent('foo', window, 'data'),
+      (ev) { Expect.equals('data', ev.data); });
+
+  eventTest('TransitionEvent', () => new TransitionEvent('foo', 'color', 0.5),
+      (ev) {
+    Expect.equals('color', ev.propertyName);
+    Expect.equals(0.5, ev.elapsedTime);
+  });
+
+  eventTest('UIEvent', () => new UIEvent('foo', window, 12),
+      (ev) {
+    Expect.equals(window, ev.view);
+    Expect.equals(12, ev.detail);
+  });
+
+  eventTest('WheelEvent',
+      () => new WheelEvent(1, 2, window, 3, 4, 5, 6, ctrlKey: true,
+          altKey: true, shiftKey: true, metaKey: true),
+      (ev) {
+    // wheelDelta* properties are multiplied by 120 for some reason
+    Expect.equals(120, ev.wheelDeltaX);
+    Expect.equals(240, ev.wheelDeltaY);
+    Expect.equals(3, ev.screenX);
+    Expect.equals(4, ev.screenY);
+    Expect.equals(5, ev.clientX);
+    Expect.equals(6, ev.clientY);
+    Expect.isTrue(ev.ctrlKey);
+    Expect.isTrue(ev.altKey);
+    Expect.isTrue(ev.shiftKey);
+    Expect.isTrue(ev.metaKey);
+  }, type: 'mousewheel');
+
+  // XMLHttpRequestProgressEvent has no properties to itself, so just test that
+  // it doesn't error out on creation and can be dispatched.
+  eventTest('XMLHttpRequestProgressEvent',
+      () => new XMLHttpRequestProgressEvent('foo', 5),
+      (ev) {});
+}