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1 import 'dart:html'; | 1 import 'dart:html'; |
2 | 2 |
3 import 'package:expect/minitest.dart'; | 3 import 'package:expect/minitest.dart'; |
4 | 4 |
5 main() { | 5 main() { |
6 CanvasElement canvas; | 6 CanvasElement canvas; |
7 | 7 |
8 canvas = new Element.tag('canvas'); | 8 canvas = new Element.tag('canvas'); |
9 canvas.attributes['width'] = '100'; | 9 canvas.attributes['width'] = '100'; |
10 canvas.attributes['height'] = '100'; | 10 canvas.attributes['height'] = '100'; |
11 document.body.append(canvas); | 11 document.body.append(canvas); |
12 | 12 |
13 var isCanvasRenderingContext = predicate((x) => x is CanvasRenderingContext, | 13 var isCanvasRenderingContext = predicate( |
14 'is a CanvasRenderingContext'); | 14 (x) => x is CanvasRenderingContext, 'is a CanvasRenderingContext'); |
15 var isNotCanvasRenderingContext = predicate((x) => x is! CanvasRenderingContex
t, | 15 var isNotCanvasRenderingContext = predicate( |
16 'is not a CanvasRenderingContext'); | 16 (x) => x is! CanvasRenderingContext, 'is not a CanvasRenderingContext'); |
17 var isCanvasRenderingContext2D = | 17 var isCanvasRenderingContext2D = predicate( |
18 predicate((x) => x is CanvasRenderingContext2D, | 18 (x) => x is CanvasRenderingContext2D, 'is a CanvasRenderingContext2D'); |
19 'is a CanvasRenderingContext2D'); | 19 var isNotCanvasRenderingContext2D = predicate( |
20 var isNotCanvasRenderingContext2D = | 20 (x) => x is! CanvasRenderingContext2D, |
21 predicate((x) => x is! CanvasRenderingContext2D, | |
22 'is not a CanvasRenderingContext2D'); | 21 'is not a CanvasRenderingContext2D'); |
23 var isElement = predicate((x) => x is Element, 'is an Element'); | 22 var isElement = predicate((x) => x is Element, 'is an Element'); |
24 var isNotElement = predicate((x) => x is! Element, 'is not an Element'); | 23 var isNotElement = predicate((x) => x is! Element, 'is not an Element'); |
25 var isCanvasElement = | 24 var isCanvasElement = |
26 predicate((x) => x is CanvasElement, 'is a CanvasElement'); | 25 predicate((x) => x is CanvasElement, 'is a CanvasElement'); |
27 var isNotCanvasElement = | 26 var isNotCanvasElement = |
28 predicate((x) => x is! CanvasElement, 'is not a CanvasElement'); | 27 predicate((x) => x is! CanvasElement, 'is not a CanvasElement'); |
29 var isImageData = predicate((x) => x is ImageData, 'is an ImageData'); | 28 var isImageData = predicate((x) => x is ImageData, 'is an ImageData'); |
30 var isNotImageData = predicate((x) => x is! ImageData, 'is not an ImageData'); | 29 var isNotImageData = predicate((x) => x is! ImageData, 'is not an ImageData'); |
31 //var isUint8ClampedArray = | 30 //var isUint8ClampedArray = |
32 // predicate((x) => x is Uint8ClampedArray, 'is a Uint8ClampedArray'); | 31 // predicate((x) => x is Uint8ClampedArray, 'is a Uint8ClampedArray'); |
33 var isIntList = | 32 var isIntList = predicate((x) => x is List<int>, 'is a List<int>'); |
34 predicate((x) => x is List<int>, 'is a List<int>'); | |
35 | 33 |
36 test('Instanceof', () { | 34 test('Instanceof', () { |
37 expect(canvas, isNotCanvasRenderingContext); | 35 expect(canvas, isNotCanvasRenderingContext); |
38 expect(canvas, isNotCanvasRenderingContext2D); | 36 expect(canvas, isNotCanvasRenderingContext2D); |
39 expect(canvas, isElement); | 37 expect(canvas, isElement); |
40 expect(canvas, isCanvasElement); | 38 expect(canvas, isCanvasElement); |
41 expect(canvas, isNotImageData); | 39 expect(canvas, isNotImageData); |
42 // expect(canvas, isNot(isCanvasPixelArray)); | 40 // expect(canvas, isNot(isCanvasPixelArray)); |
43 | 41 |
44 CanvasRenderingContext2D context = canvas.getContext('2d'); | 42 CanvasRenderingContext2D context = canvas.getContext('2d'); |
45 expect(context, isCanvasRenderingContext); | 43 expect(context, isCanvasRenderingContext); |
46 expect(context, isCanvasRenderingContext2D); | 44 expect(context, isCanvasRenderingContext2D); |
47 expect(context, isNotElement); | 45 expect(context, isNotElement); |
48 expect(context, isNotCanvasElement); | 46 expect(context, isNotCanvasElement); |
49 expect(context, isNotImageData); | 47 expect(context, isNotImageData); |
50 // expect(context, isNot(isCanvasPixelArray)); | 48 // expect(context, isNot(isCanvasPixelArray)); |
51 | 49 |
52 // FIXME(b/5286633): Interface injection type check workaround. | 50 // FIXME(b/5286633): Interface injection type check workaround. |
53 var image = context.createImageData(canvas.width as dynamic, | 51 var image = context.createImageData( |
54 canvas.height as dynamic); | 52 canvas.width as dynamic, canvas.height as dynamic); |
55 expect(image, isNotCanvasRenderingContext); | 53 expect(image, isNotCanvasRenderingContext); |
56 expect(image, isNotCanvasRenderingContext2D); | 54 expect(image, isNotCanvasRenderingContext2D); |
57 expect(image, isNotElement); | 55 expect(image, isNotElement); |
58 expect(image, isNotCanvasElement); | 56 expect(image, isNotCanvasElement); |
59 expect(image, isImageData); | 57 expect(image, isImageData); |
60 // expect(image, isNot(isCanvasPixelArray)); | 58 // expect(image, isNot(isCanvasPixelArray)); |
61 | 59 |
62 // Include CanvasPixelArray since constructor and prototype are not | 60 // Include CanvasPixelArray since constructor and prototype are not |
63 // available until one is created. | 61 // available until one is created. |
64 var bytes = image.data; | 62 var bytes = image.data; |
65 expect(bytes, isNotCanvasRenderingContext); | 63 expect(bytes, isNotCanvasRenderingContext); |
66 expect(bytes, isNotCanvasRenderingContext2D); | 64 expect(bytes, isNotCanvasRenderingContext2D); |
67 expect(bytes, isNotElement); | 65 expect(bytes, isNotElement); |
68 expect(bytes, isNotCanvasElement); | 66 expect(bytes, isNotCanvasElement); |
69 expect(bytes, isNotImageData); | 67 expect(bytes, isNotImageData); |
70 expect(bytes, isIntList); | 68 expect(bytes, isIntList); |
71 | 69 |
72 // FIXME: Ensure this is an SpanElement when we next update | 70 // FIXME: Ensure this is an SpanElement when we next update |
73 // WebKit IDL. | 71 // WebKit IDL. |
74 var span = new Element.tag('span'); | 72 var span = new Element.tag('span'); |
75 expect(span, isElement); | 73 expect(span, isElement); |
76 }); | 74 }); |
77 } | 75 } |
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