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4283c3e41e
R=sigmund@google.com Review URL: https://codereview.chromium.org//231413003 git-svn-id: https://dart.googlecode.com/svn/branches/bleeding_edge/dart@34890 260f80e4-7a28-3924-810f-c04153c831b5
71 lines
2.6 KiB
Dart
71 lines
2.6 KiB
Dart
library InstanceOfTest;
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import 'package:unittest/unittest.dart';
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import 'package:unittest/html_config.dart';
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import 'dart:html';
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main() {
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CanvasElement canvas;
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canvas = new Element.tag('canvas');
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canvas.attributes['width'] = '100';
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canvas.attributes['height'] = '100';
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document.body.append(canvas);
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var isCanvasRenderingContext = predicate((x) => x is CanvasRenderingContext,
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'is a CanvasRenderingContext');
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var isCanvasRenderingContext2D =
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predicate((x) => x is CanvasRenderingContext2D,
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'is a CanvasRenderingContext2D');
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var isElement = predicate((x) => x is Element, 'is an Element');
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var isCanvasElement =
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predicate((x) => x is CanvasElement, 'is a CanvasElement');
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var isImageData = predicate((x) => x is ImageData, 'is an ImageData');
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//var isUint8ClampedArray =
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// predicate((x) => x is Uint8ClampedArray, 'is a Uint8ClampedArray');
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var isIntList =
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predicate((x) => x is List<int>, 'is a List<int>');
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useHtmlConfiguration();
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test('Instanceof', () {
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expect(canvas, isNot(isCanvasRenderingContext));
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expect(canvas, isNot(isCanvasRenderingContext2D));
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expect(canvas, isElement);
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expect(canvas, isCanvasElement);
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expect(canvas, isNot(isImageData));
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// expect(canvas, isNot(isCanvasPixelArray));
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CanvasRenderingContext2D context = canvas.getContext('2d');
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expect(context, isCanvasRenderingContext);
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expect(context, isCanvasRenderingContext2D);
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expect(context, isNot(isElement));
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expect(context, isNot(isCanvasElement));
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expect(context, isNot(isImageData));
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// expect(context, isNot(isCanvasPixelArray));
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// FIXME(b/5286633): Interface injection type check workaround.
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var image = context.createImageData(canvas.width as dynamic,
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canvas.height as dynamic);
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expect(image, isNot(isCanvasRenderingContext));
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expect(image, isNot(isCanvasRenderingContext2D));
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expect(image, isNot(isElement));
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expect(image, isNot(isCanvasElement));
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expect(image, isImageData);
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// expect(image, isNot(isCanvasPixelArray));
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// Include CanvasPixelArray since constructor and prototype are not
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// available until one is created.
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var bytes = image.data;
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expect(bytes, isNot(isCanvasRenderingContext));
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expect(bytes, isNot(isCanvasRenderingContext2D));
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expect(bytes, isNot(isElement));
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expect(bytes, isNot(isCanvasElement));
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expect(bytes, isNot(isImageData));
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expect(bytes, isIntList);
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// FIXME: Ensure this is an SpanElement when we next update
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// WebKit IDL.
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var span = new Element.tag('span');
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expect(span, isElement);
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});
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}
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