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Issue 2681423002: Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests. (Closed)
Patch Set: Adding exceptions to TestExpectations Created 3 years, 10 months ago
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1 <!DOCTYPE HTML PUBLIC "-//IETF//DTD HTML//EN"> 1 <script src="../../resources/testharness.js"></script>
2 <html> 2 <script src="../../resources/testharnessreport.js"></script>
3 <head>
4 <script src="../../resources/js-test.js"></script>
5 </head>
6 <body> 3 <body>
7 <script src="script-tests/canvas-lineDash.js"></script> 4 <script>
5 test(function(t) {
6
7 var canvas = document.createElement('canvas');
8 document.body.appendChild(canvas);
9 canvas.setAttribute('width', '700');
10 canvas.setAttribute('height', '700');
11 var ctx = canvas.getContext('2d');
12
13 // Verify default values.
14 assert_equals(ctx.lineDashOffset, 0);
15
16 // Set dash-style.
17 ctx.setLineDash([15, 10]);
18 ctx.lineDashOffset = 5;
19 ctx.strokeRect (10,10,100,100);
20
21 // Verify dash and offset.
22 var lineDash;
23 lineDash = ctx.getLineDash();
24 assert_equals(lineDash[0], 15);
25 assert_equals(lineDash[1], 10);
26 assert_equals(ctx.lineDashOffset, 5);
27
28 // Verify setting line dash to sequence of nulls is interpreted as zeros
29 ctx.setLineDash([null, null]);
30 lineDash = ctx.getLineDash();
31 assert_equals(lineDash[0], 0);
32 assert_equals(lineDash[1], 0);
33
34 // Set dash style to even number
35 ctx.setLineDash([5, 10, 15]);
36 ctx.strokeRect(20, 20, 120, 120);
37
38 // Verify dash pattern is normalized
39 lineDash = ctx.getLineDash();
40 assert_equals(lineDash[0], 5);
41 assert_equals(lineDash[1], 10);
42 assert_equals(lineDash[2], 15);
43 assert_equals(lineDash[3], 5);
44 assert_equals(lineDash[4], 10);
45 assert_equals(lineDash[5], 15);
46
47 // Verify that conversion from string works
48 ctx.setLineDash(["1", 2]);
49 lineDash = ctx.getLineDash();
50 assert_equals(lineDash[0], 1);
51 assert_equals(lineDash[1], 2);
52
53 // Verify that line dash offset persists after
54 // clearRect (which causes a save/restore of the context
55 // state to the stack).
56 ctx.clearRect(0, 0, 700, 700);
57 assert_equals(ctx.lineDashOffset, 5);
58
59 // Verify dash rendering
60 ctx.setLineDash([20, 10]);
61 ctx.lineDashOffset = 0;
62 ctx.lineWidth = 4; // To make the test immune to plaform anti-aliasing discr epancies
63 ctx.strokeStyle = '#00FF00';
64 ctx.strokeRect(10.5, 10.5, 30, 30);
65
66 assert_array_equals(ctx.getImageData(25, 10, 1, 1).data, [0, 255, 0, 255]);
67 assert_array_equals(ctx.getImageData(35, 10, 1, 1).data, [0, 0, 0, 0]);
68 assert_array_equals(ctx.getImageData(40, 25, 1, 1).data, [0, 255, 0, 255]);
69 assert_array_equals(ctx.getImageData(40, 35, 1, 1).data, [0, 0, 0, 0]);
70 assert_array_equals(ctx.getImageData(25, 40, 1, 1).data, [0, 255, 0, 255]);
71 assert_array_equals(ctx.getImageData(15, 40, 1, 1).data, [0, 0, 0, 0]);
72 assert_array_equals(ctx.getImageData(10, 25, 1, 1).data, [0, 255, 0, 255]);
73 assert_array_equals(ctx.getImageData(10, 15, 1, 1).data, [0, 0, 0, 0]);
74
75 // Verify that lineDashOffset works as expected
76 ctx.lineDashOffset = 20;
77 ctx.strokeRect(50.5, 10.5, 30, 30);
78 assert_array_equals(ctx.getImageData(55, 10, 1, 1).data, [0, 0, 0, 0]);
79 assert_array_equals(ctx.getImageData(65, 10, 1, 1).data, [0, 255, 0, 255]);
80 assert_array_equals(ctx.getImageData(80, 15, 1, 1).data, [0, 0, 0, 0]);
81 assert_array_equals(ctx.getImageData(80, 25, 1, 1).data, [0, 255, 0, 255]);
82 assert_array_equals(ctx.getImageData(75, 40, 1, 1).data, [0, 0, 0, 0]);
83 assert_array_equals(ctx.getImageData(65, 40, 1, 1).data, [0, 255, 0, 255]);
84 assert_array_equals(ctx.getImageData(50, 35, 1, 1).data, [0, 0, 0, 0]);
85 assert_array_equals(ctx.getImageData(50, 25, 1, 1).data, [0, 255, 0, 255]);
86
87 // Verify negative lineDashOffset
88 ctx.lineDashOffset = -10;
89 ctx.strokeRect(90.5, 10.5, 30, 30);
90 assert_array_equals(ctx.getImageData(95, 10, 1, 1).data, [0, 0, 0, 0]);
91 assert_array_equals(ctx.getImageData(105, 10, 1, 1).data, [0, 255, 0, 255]);
92 assert_array_equals(ctx.getImageData(120, 15, 1, 1).data, [0, 0, 0, 0]);
93 assert_array_equals(ctx.getImageData(120, 25, 1, 1).data, [0, 255, 0, 255]);
94 assert_array_equals(ctx.getImageData(115, 40, 1, 1).data, [0, 0, 0, 0]);
95 assert_array_equals(ctx.getImageData(105, 40, 1, 1).data, [0, 255, 0, 255]);
96 assert_array_equals(ctx.getImageData(90, 35, 1, 1).data, [0, 0, 0, 0]);
97 assert_array_equals(ctx.getImageData(90, 25, 1, 1).data, [0, 255, 0, 255]);
98
99 // Verify that all zero dash sequence results in no dashing
100 ctx.setLineDash([0, 0]);
101 ctx.lineDashOffset = 0;
102 ctx.strokeRect(130.5, 10.5, 30, 30);
103 assert_array_equals(ctx.getImageData(130, 10, 1, 1).data, [0, 255, 0, 255]);
104 assert_array_equals(ctx.getImageData(130, 15, 1, 1).data, [0, 255, 0, 255]);
105 assert_array_equals(ctx.getImageData(130, 25, 1, 1).data, [0, 255, 0, 255]);
106 assert_array_equals(ctx.getImageData(130, 35, 1, 1).data, [0, 255, 0, 255]);
107
108 }, "Basic test for setLineDash, getLineDash and lineDashOffset");
109 </script>
8 </body> 110 </body>
9 </html>
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