| |
| // @dart = 2.9 |
| library KeyboardEventTest; |
| |
| import 'dart:html'; |
| |
| import 'package:expect/minitest.dart'; |
| |
| // Test that we are correctly determining keyCode and charCode uniformly across |
| // browsers. |
| |
| void testKeyboardEventConstructor() { |
| new KeyboardEvent('keyup'); |
| } |
| |
| void keydownHandlerTest(KeyEvent e) { |
| expect(e.charCode, 0); |
| } |
| |
| void testKeys() { |
| var subscription = |
| KeyboardEventStream.onKeyDown(document.body).listen(keydownHandlerTest); |
| var subscription2 = |
| KeyEvent.keyDownEvent.forTarget(document.body).listen(keydownHandlerTest); |
| var subscription3 = |
| document.body.onKeyDown.listen((e) => print('regular listener')); |
| subscription.cancel(); |
| subscription2.cancel(); |
| subscription3.cancel(); |
| } |
| |
| void testConstructKeyEvent() { |
| int handlerCallCount = 0; |
| CustomStream<KeyEvent> stream = |
| KeyEvent.keyPressEvent.forTarget(document.body); |
| var subscription = stream.listen((keyEvent) { |
| expect(keyEvent.charCode, 97); |
| expect(keyEvent.keyCode, 65); |
| handlerCallCount++; |
| }); |
| var k = new KeyEvent('keypress', keyCode: 65, charCode: 97); |
| stream.add(k); |
| subscription.cancel(); |
| // Capital "A": |
| stream.add(new KeyEvent('keydown', keyCode: 16, charCode: 0)); |
| |
| subscription = stream.listen((keyEvent) { |
| expect(keyEvent.charCode, 65); |
| expect(keyEvent.keyCode, 65); |
| handlerCallCount++; |
| }); |
| stream.add(new KeyEvent('keypress', keyCode: 65, charCode: 65)); |
| subscription.cancel(); |
| |
| expect(handlerCallCount, 2); |
| } |
| |
| void testKeyEventSequence() { |
| int handlerCallCount = 0; |
| // Press "?" by simulating "shift" and then the key that has "/" and "?" on |
| // it. |
| CustomStream<KeyEvent> streamDown = |
| KeyEvent.keyDownEvent.forTarget(document.body); |
| CustomStream<KeyEvent> streamPress = |
| KeyEvent.keyPressEvent.forTarget(document.body); |
| CustomStream<KeyEvent> streamUp = |
| KeyEvent.keyUpEvent.forTarget(document.body); |
| |
| var subscription = streamDown.listen((keyEvent) { |
| expect(keyEvent.keyCode, predicate([16, 191].contains)); |
| expect(keyEvent.charCode, 0); |
| handlerCallCount++; |
| }); |
| |
| var subscription2 = streamPress.listen((keyEvent) { |
| expect(keyEvent.keyCode, 23); |
| expect(keyEvent.charCode, 63); |
| handlerCallCount++; |
| }); |
| |
| var subscription3 = streamUp.listen((keyEvent) { |
| expect(keyEvent.keyCode, predicate([16, 191].contains)); |
| expect(keyEvent.charCode, 0); |
| handlerCallCount++; |
| }); |
| |
| streamDown.add(new KeyEvent('keydown', keyCode: 16, charCode: 0)); |
| streamDown.add(new KeyEvent('keydown', keyCode: 191, charCode: 0)); |
| |
| streamPress.add(new KeyEvent('keypress', keyCode: 23, charCode: 63)); |
| |
| streamUp.add(new KeyEvent('keyup', keyCode: 191, charCode: 0)); |
| streamUp.add(new KeyEvent('keyup', keyCode: 16, charCode: 0)); |
| subscription.cancel(); |
| subscription2.cancel(); |
| subscription3.cancel(); |
| |
| expect(handlerCallCount, 5); |
| } |
| |
| void testKeyEventKeyboardEvent() { |
| int handlerCallCount = 0; |
| window.onKeyDown.listen((event) { |
| expect(event.keyCode, 16); |
| handlerCallCount++; |
| }); |
| CustomStream<KeyEvent> streamDown = |
| KeyEvent.keyDownEvent.forTarget(document.body); |
| streamDown.add(new KeyEvent('keydown', keyCode: 16, charCode: 0)); |
| expect(handlerCallCount, 1); |
| } |
| |
| main() { |
| testKeyboardEventConstructor(); |
| testKeys(); |
| testConstructKeyEvent(); |
| testKeyEventSequence(); |
| testKeyEventKeyboardEvent(); |
| } |