1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
|
description("Series of tests to ensure correct behaviour of calling canvas methods with illegal arguments (Infintiy and NaN)");
var ctx;
debug("Test scale.");
ctx = document.createElement('canvas').getContext('2d');
ctx.scale(NaN, 1);
ctx.fillStyle = 'green';
ctx.fillRect(0, 0, 100, 100);
var imageData = ctx.getImageData(50, 50, 1, 1);
var imgdata = imageData.data;
shouldBe("imgdata[0]", "0");
shouldBe("imgdata[1]", "128");
shouldBe("imgdata[2]", "0");
ctx = document.createElement('canvas').getContext('2d');
ctx.scale(1, NaN);
ctx.fillStyle = 'green';
ctx.fillRect(0, 0, 100, 100);
var imageData = ctx.getImageData(50, 50, 1, 1);
var imgdata = imageData.data;
shouldBe("imgdata[0]", "0");
shouldBe("imgdata[1]", "128");
shouldBe("imgdata[2]", "0");
ctx = document.createElement('canvas').getContext('2d');
ctx.scale(Infinity, 1);
ctx.fillStyle = 'green';
ctx.fillRect(0, 0, 100, 100);
var imageData = ctx.getImageData(50, 50, 1, 1);
var imgdata = imageData.data;
shouldBe("imgdata[0]", "0");
shouldBe("imgdata[1]", "128");
shouldBe("imgdata[2]", "0");
ctx = document.createElement('canvas').getContext('2d');
ctx.scale(1, Infinity);
ctx.fillStyle = 'green';
ctx.fillRect(0, 0, 100, 100);
var imageData = ctx.getImageData(50, 50, 1, 1);
var imgdata = imageData.data;
shouldBe("imgdata[0]", "0");
shouldBe("imgdata[1]", "128");
shouldBe("imgdata[2]", "0");
debug("Test translate.");
ctx = document.createElement('canvas').getContext('2d');
ctx.translate(NaN, 1);
ctx.fillStyle = 'green';
ctx.fillRect(0, 0, 100, 100);
var imageData = ctx.getImageData(50, 50, 1, 1);
var imgdata = imageData.data;
shouldBe("imgdata[0]", "0");
shouldBe("imgdata[1]", "128");
shouldBe("imgdata[2]", "0");
ctx = document.createElement('canvas').getContext('2d');
ctx.translate(1, NaN);
ctx.fillStyle = 'green';
ctx.fillRect(0, 0, 100, 100);
var imageData = ctx.getImageData(50, 50, 1, 1);
var imgdata = imageData.data;
shouldBe("imgdata[0]", "0");
shouldBe("imgdata[1]", "128");
shouldBe("imgdata[2]", "0");
ctx = document.createElement('canvas').getContext('2d');
ctx.translate(Infinity, 1);
ctx.fillStyle = 'green';
ctx.fillRect(0, 0, 100, 100);
var imageData = ctx.getImageData(50, 50, 1, 1);
var imgdata = imageData.data;
shouldBe("imgdata[0]", "0");
shouldBe("imgdata[1]", "128");
shouldBe("imgdata[2]", "0");
ctx = document.createElement('canvas').getContext('2d');
ctx.translate(1, Infinity);
ctx.fillStyle = 'green';
ctx.fillRect(0, 0, 100, 100);
var imageData = ctx.getImageData(50, 50, 1, 1);
var imgdata = imageData.data;
shouldBe("imgdata[0]", "0");
shouldBe("imgdata[1]", "128");
shouldBe("imgdata[2]", "0");
debug("Test rotate.");
ctx = document.createElement('canvas').getContext('2d');
ctx.rotate(NaN);
ctx.fillStyle = 'green';
ctx.fillRect(0, 0, 100, 100);
var imageData = ctx.getImageData(50, 50, 1, 1);
var imgdata = imageData.data;
shouldBe("imgdata[0]", "0");
shouldBe("imgdata[1]", "128");
shouldBe("imgdata[2]", "0");
ctx = document.createElement('canvas').getContext('2d');
ctx.rotate(Infinity);
ctx.fillStyle = 'green';
ctx.fillRect(0, 0, 100, 100);
var imageData = ctx.getImageData(50, 50, 1, 1);
var imgdata = imageData.data;
shouldBe("imgdata[0]", "0");
shouldBe("imgdata[1]", "128");
shouldBe("imgdata[2]", "0");
|
