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Issue 2678493002: Use testharness.js instead of js-test.js in LayoutTests/fast/canvas tests. (Closed)
Patch Set: Created 3 years, 10 months ago
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1 <!DOCTYPE html>
2 <html> 1 <html>
3 <head></head> 2 <head><body>
4 <body>
5 <canvas id="mycanvas" width="400" height="400"></canvas> 3 <canvas id="mycanvas" width="400" height="400"></canvas>
6 <script src="../../resources/js-test.js"></script> 4 <script src="../../resources/testharness.js"></script>
5 <script src="../../resources/testharnessreport.js"></script>
7 <script> 6 <script>
8 description("This tests checks that ellipse can draw lines correctly in edge cas es."); 7 test(function(t) {
9 var canvas = document.getElementById('mycanvas'); 8 var canvas = document.getElementById('mycanvas');
Justin Novosad 2017/02/06 20:04:23 indent
zakerinasab 2017/02/09 18:02:00 Done.
10 var ctx = canvas.getContext('2d'); 9 var ctx = canvas.getContext('2d');
11 10
12 var zero = 0; 11 var zero = 0;
13 ctx.lineWidth = 5; 12 ctx.lineWidth = 5;
14 ctx.fillStyle = 'rgb(255, 255, 255)'; 13 ctx.fillStyle = 'rgb(255, 255, 255)';
15 ctx.strokeStyle = 'rgb(0, 0, 0)'; 14 ctx.strokeStyle = 'rgb(0, 0, 0)';
16 ctx.fillRect(0, 0, canvas.width, canvas.height); 15 ctx.fillRect(0, 0, canvas.width, canvas.height);
17 16
18 var imageData = ctx.getImageData(1, 1, 1, 1); 17 var imageData = ctx.getImageData(1, 1, 1, 1);
19 var data = imageData.data; 18 var data = imageData.data;
20 shouldBe("imageData.data[1]", "255"); 19 assert_equals(imageData.data[1], 255);
21 20
22 ctx.save(); 21 ctx.save();
23 debug("moveTo + empty ellipse (swing == 0)"); 22 // moveTo + empty ellipse (swing == 0)
24 ctx.translate(0, 30); 23 ctx.translate(0, 30);
25 ctx.save(); 24 ctx.save();
26 ctx.beginPath(); 25 ctx.beginPath();
27 ctx.moveTo(20, 0); 26 ctx.moveTo(20, 0);
28 ctx.ellipse(80, 0, 10, 20, Math.PI / 6, -Math.PI / 2, -Math.PI / 2 + zero, false ); 27 ctx.ellipse(80, 0, 10, 20, Math.PI / 6, -Math.PI / 2, -Math.PI / 2 + zero, false );
29 ctx.stroke(); 28 ctx.stroke();
30 ctx.restore(); 29 ctx.restore();
31 30
32 imageData = ctx.getImageData(23, 29, 1, 1); 31 imageData = ctx.getImageData(23, 29, 1, 1);
33 shouldBe("imageData.data[1]", "0"); 32 assert_equals(imageData.data[1], 0);
34 imageData = ctx.getImageData(85, 14, 1, 1); 33 imageData = ctx.getImageData(85, 14, 1, 1);
35 shouldBe("imageData.data[1]", "0"); 34 assert_equals(imageData.data[1], 0);
36 35
37 debug("moveTo + empty ellipse (radiusX == 0)"); 36 // moveTo + empty ellipse (radiusX == 0)
38 ctx.translate(0, 30); 37 ctx.translate(0, 30);
39 ctx.save(); 38 ctx.save();
40 ctx.beginPath(); 39 ctx.beginPath();
41 ctx.moveTo(20, 0); 40 ctx.moveTo(20, 0);
42 ctx.ellipse(80, 0, zero, 20, Math.PI / 6, -Math.PI / 2, Math.PI / 2, false); 41 ctx.ellipse(80, 0, zero, 20, Math.PI / 6, -Math.PI / 2, Math.PI / 2, false);
43 ctx.stroke(); 42 ctx.stroke();
44 ctx.restore(); 43 ctx.restore();
45 44
46 imageData = ctx.getImageData(22, 60, 1, 1); 45 imageData = ctx.getImageData(22, 60, 1, 1);
47 shouldBe("imageData.data[1]", "0"); 46 assert_equals(imageData.data[1], 0);
48 imageData = ctx.getImageData(86, 43, 1, 1); 47 imageData = ctx.getImageData(86, 43, 1, 1);
49 shouldBe("imageData.data[1]", "0"); 48 assert_equals(imageData.data[1], 0);
50 imageData = ctx.getImageData(71, 73, 1, 1); 49 imageData = ctx.getImageData(71, 73, 1, 1);
51 shouldBe("imageData.data[1]", "0"); 50 assert_equals(imageData.data[1], 0);
52 51
53 debug("moveTo + empty ellipse (radiusY == 0)"); 52 // moveTo + empty ellipse (radiusY == 0)
54 ctx.translate(0, 30); 53 ctx.translate(0, 30);
55 ctx.save(); 54 ctx.save();
56 ctx.beginPath(); 55 ctx.beginPath();
57 ctx.moveTo(20, 0); 56 ctx.moveTo(20, 0);
58 ctx.ellipse(80, 0, 10, zero, Math.PI / 6, -Math.PI / 2, Math.PI / 2, false); 57 ctx.ellipse(80, 0, 10, zero, Math.PI / 6, -Math.PI / 2, Math.PI / 2, false);
59 ctx.stroke(); 58 ctx.stroke();
60 ctx.restore(); 59 ctx.restore();
61 60
62 imageData = ctx.getImageData(22, 90, 1, 1); 61 imageData = ctx.getImageData(22, 90, 1, 1);
63 shouldBe("imageData.data[1]", "0"); 62 assert_equals(imageData.data[1], 0);
64 imageData = ctx.getImageData(79, 90, 1, 1); 63 imageData = ctx.getImageData(79, 90, 1, 1);
65 shouldBe("imageData.data[1]", "0"); 64 assert_equals(imageData.data[1], 0);
66 imageData = ctx.getImageData(87, 94, 1, 1); 65 imageData = ctx.getImageData(87, 94, 1, 1);
67 shouldBe("imageData.data[1]", "0"); 66 assert_equals(imageData.data[1], 0);
68 67
69 debug("empty ellipse (swing == 0) + lineTo"); 68 // empty ellipse (swing == 0) + lineTo
70 ctx.translate(0, 30); 69 ctx.translate(0, 30);
71 ctx.save(); 70 ctx.save();
72 ctx.beginPath(); 71 ctx.beginPath();
73 ctx.ellipse(20, 0, 10, 20, Math.PI / 6, -Math.PI / 2, -Math.PI / 2 + zero, false ); 72 ctx.ellipse(20, 0, 10, 20, Math.PI / 6, -Math.PI / 2, -Math.PI / 2 + zero, false );
74 ctx.lineTo(80, 0); 73 ctx.lineTo(80, 0);
75 ctx.stroke(); 74 ctx.stroke();
76 ctx.restore(); 75 ctx.restore();
77 76
78 imageData = ctx.getImageData(26, 101, 1, 1); 77 imageData = ctx.getImageData(26, 101, 1, 1);
79 shouldBe("imageData.data[1]", "255"); 78 assert_equals(imageData.data[1], 255);
80 imageData = ctx.getImageData(32, 103, 1, 1); 79 imageData = ctx.getImageData(32, 103, 1, 1);
81 shouldBe("imageData.data[1]", "0"); 80 assert_equals(imageData.data[1], 0);
82 imageData = ctx.getImageData(77, 119, 1, 1); 81 imageData = ctx.getImageData(77, 119, 1, 1);
83 shouldBe("imageData.data[1]", "0"); 82 assert_equals(imageData.data[1], 0);
84 83
85 debug("empty ellipse (radiusX == 0) + lineTo"); 84 // empty ellipse (radiusX == 0) + lineTo
86 ctx.translate(0, 30); 85 ctx.translate(0, 30);
87 ctx.save(); 86 ctx.save();
88 ctx.beginPath(); 87 ctx.beginPath();
89 ctx.ellipse(20, 0, zero, 20, Math.PI / 6, -Math.PI / 2, Math.PI / 2, false); 88 ctx.ellipse(20, 0, zero, 20, Math.PI / 6, -Math.PI / 2, Math.PI / 2, false);
90 ctx.lineTo(80, 0); 89 ctx.lineTo(80, 0);
91 ctx.stroke(); 90 ctx.stroke();
92 ctx.restore(); 91 ctx.restore();
93 92
94 imageData = ctx.getImageData(28, 135, 1, 1); 93 imageData = ctx.getImageData(28, 135, 1, 1);
95 shouldBe("imageData.data[1]", "0"); 94 assert_equals(imageData.data[1], 0);
96 imageData = ctx.getImageData(11, 166, 1, 1); 95 imageData = ctx.getImageData(11, 166, 1, 1);
97 shouldBe("imageData.data[1]", "0"); 96 assert_equals(imageData.data[1], 0);
98 imageData = ctx.getImageData(76, 151, 1, 1); 97 imageData = ctx.getImageData(76, 151, 1, 1);
99 shouldBe("imageData.data[1]", "0"); 98 assert_equals(imageData.data[1], 0);
100 99
101 debug("empty ellipse (radiusY == 0) + lineTo"); 100 // empty ellipse (radiusY == 0) + lineTo
102 ctx.translate(0, 30); 101 ctx.translate(0, 30);
103 ctx.save(); 102 ctx.save();
104 ctx.beginPath(); 103 ctx.beginPath();
105 ctx.ellipse(20, 0, 10, zero, Math.PI / 6, -Math.PI / 2, Math.PI / 2, false); 104 ctx.ellipse(20, 0, 10, zero, Math.PI / 6, -Math.PI / 2, Math.PI / 2, false);
106 ctx.lineTo(80, 0); 105 ctx.lineTo(80, 0);
107 ctx.stroke(); 106 ctx.stroke();
108 ctx.restore(); 107 ctx.restore();
109 108
110 imageData = ctx.getImageData(27, 183, 1, 1); 109 imageData = ctx.getImageData(27, 183, 1, 1);
111 shouldBe("imageData.data[1]", "0"); 110 assert_equals(imageData.data[1], 0);
112 imageData = ctx.getImageData(21, 179, 1, 1); 111 imageData = ctx.getImageData(21, 179, 1, 1);
113 shouldBe("imageData.data[1]", "0"); 112 assert_equals(imageData.data[1], 0);
114 imageData = ctx.getImageData(77, 180, 1, 1); 113 imageData = ctx.getImageData(77, 180, 1, 1);
115 shouldBe("imageData.data[1]", "0"); 114 assert_equals(imageData.data[1], 0);
116 115
117 ctx.restore(); 116 ctx.restore();
118 117
119 ctx.translate(100, 0); 118 ctx.translate(100, 0);
120 ctx.save(); 119 ctx.save();
121 debug("lineTo + empty ellipse (radiusX == 0) + lineTo"); 120 // lineTo + empty ellipse (radiusX == 0) + lineTo
122 debug(" 1. sweepAngle < PI / 2"); 121 // 1. sweepAngle < PI / 2
123 ctx.translate(0, 30); 122 ctx.translate(0, 30);
124 ctx.save(); 123 ctx.save();
125 ctx.beginPath(); 124 ctx.beginPath();
126 ctx.lineTo(10, 0); 125 ctx.lineTo(10, 0);
127 ctx.ellipse(20, 0, zero, 20, Math.PI / 6, -Math.PI / 4, Math.PI / 4, false); 126 ctx.ellipse(20, 0, zero, 20, Math.PI / 6, -Math.PI / 4, Math.PI / 4, false);
128 ctx.lineTo(80, 0); 127 ctx.lineTo(80, 0);
129 ctx.stroke(); 128 ctx.stroke();
130 ctx.restore(); 129 ctx.restore();
131 130
132 imageData = ctx.getImageData(110, 29, 1, 1); 131 imageData = ctx.getImageData(110, 29, 1, 1);
133 shouldBe("imageData.data[1]", "0"); 132 assert_equals(imageData.data[1], 0);
134 imageData = ctx.getImageData(122, 22, 1, 1); 133 imageData = ctx.getImageData(122, 22, 1, 1);
135 shouldBe("imageData.data[1]", "0"); 134 assert_equals(imageData.data[1], 0);
136 imageData = ctx.getImageData(113, 42, 1, 1); 135 imageData = ctx.getImageData(113, 42, 1, 1);
137 shouldBe("imageData.data[1]", "0"); 136 assert_equals(imageData.data[1], 0);
138 imageData = ctx.getImageData(144, 38, 1, 1); 137 imageData = ctx.getImageData(144, 38, 1, 1);
139 shouldBe("imageData.data[1]", "0"); 138 assert_equals(imageData.data[1], 0);
140 139
141 debug(" 2. sweepAngle < PI"); 140 // 2. sweepAngle < PI
142 ctx.translate(0, 30); 141 ctx.translate(0, 30);
143 ctx.save(); 142 ctx.save();
144 ctx.beginPath(); 143 ctx.beginPath();
145 ctx.lineTo(10, 0); 144 ctx.lineTo(10, 0);
146 ctx.ellipse(20, 0, zero, 20, Math.PI / 6, -Math.PI / 4, Math.PI / 2, false); 145 ctx.ellipse(20, 0, zero, 20, Math.PI / 6, -Math.PI / 4, Math.PI / 2, false);
147 ctx.lineTo(80, 0); 146 ctx.lineTo(80, 0);
148 ctx.stroke(); 147 ctx.stroke();
149 ctx.restore(); 148 ctx.restore();
150 149
151 imageData = ctx.getImageData(122, 54, 1, 1); 150 imageData = ctx.getImageData(122, 54, 1, 1);
152 shouldBe("imageData.data[1]", "0"); 151 assert_equals(imageData.data[1], 0);
153 imageData = ctx.getImageData(112, 76, 1, 1); 152 imageData = ctx.getImageData(112, 76, 1, 1);
154 shouldBe("imageData.data[1]", "0"); 153 assert_equals(imageData.data[1], 0);
155 imageData = ctx.getImageData(142, 70, 1, 1); 154 imageData = ctx.getImageData(142, 70, 1, 1);
156 shouldBe("imageData.data[1]", "0"); 155 assert_equals(imageData.data[1], 0);
157 156
158 debug(" 3. sweepAngle < 2PI"); 157 // 3. sweepAngle < 2PI
159 ctx.translate(0, 30); 158 ctx.translate(0, 30);
160 ctx.save(); 159 ctx.save();
161 ctx.beginPath(); 160 ctx.beginPath();
162 ctx.lineTo(10, 0); 161 ctx.lineTo(10, 0);
163 ctx.ellipse(20, 0, zero, 20, Math.PI / 6, -Math.PI / 4, Math.PI * 3 / 2, false); 162 ctx.ellipse(20, 0, zero, 20, Math.PI / 6, -Math.PI / 4, Math.PI * 3 / 2, false);
164 ctx.lineTo(80, 0); 163 ctx.lineTo(80, 0);
165 ctx.stroke(); 164 ctx.stroke();
166 ctx.restore(); 165 ctx.restore();
167 166
168 imageData = ctx.getImageData(115, 86, 1, 1); 167 imageData = ctx.getImageData(115, 86, 1, 1);
169 shouldBe("imageData.data[1]", "0"); 168 assert_equals(imageData.data[1], 0);
170 imageData = ctx.getImageData(110, 104, 1, 1); 169 imageData = ctx.getImageData(110, 104, 1, 1);
171 shouldBe("imageData.data[1]", "0"); 170 assert_equals(imageData.data[1], 0);
172 imageData = ctx.getImageData(138, 77, 1, 1); 171 imageData = ctx.getImageData(138, 77, 1, 1);
173 shouldBe("imageData.data[1]", "0"); 172 assert_equals(imageData.data[1], 0);
174 173
175 debug(" 4. sweepAngle < 4PI"); 174 // 4. sweepAngle < 4PI
176 ctx.translate(0, 30); 175 ctx.translate(0, 30);
177 ctx.save(); 176 ctx.save();
178 ctx.beginPath(); 177 ctx.beginPath();
179 ctx.lineTo(10, 0); 178 ctx.lineTo(10, 0);
180 ctx.ellipse(20, 0, zero, 20, Math.PI / 6, -Math.PI / 4, Math.PI * 2, false); 179 ctx.ellipse(20, 0, zero, 20, Math.PI / 6, -Math.PI / 4, Math.PI * 2, false);
181 ctx.lineTo(80, 0); 180 ctx.lineTo(80, 0);
182 ctx.stroke(); 181 ctx.stroke();
183 ctx.restore(); 182 ctx.restore();
184 183
185 imageData = ctx.getImageData(115, 116, 1, 1); 184 imageData = ctx.getImageData(115, 116, 1, 1);
186 shouldBe("imageData.data[1]", "0"); 185 assert_equals(imageData.data[1], 0);
187 imageData = ctx.getImageData(111, 136, 1, 1); 186 imageData = ctx.getImageData(111, 136, 1, 1);
188 shouldBe("imageData.data[1]", "0"); 187 assert_equals(imageData.data[1], 0);
189 imageData = ctx.getImageData(127, 106, 1, 1); 188 imageData = ctx.getImageData(127, 106, 1, 1);
190 shouldBe("imageData.data[1]", "0"); 189 assert_equals(imageData.data[1], 0);
191 imageData = ctx.getImageData(127, 121, 1, 1); 190 imageData = ctx.getImageData(127, 121, 1, 1);
192 shouldBe("imageData.data[1]", "255"); 191 assert_equals(imageData.data[1], 255);
193 192
194 debug(" 5. sweepAngle > 4PI"); 193 // 5. sweepAngle > 4PI
195 ctx.translate(0, 30); 194 ctx.translate(0, 30);
196 ctx.save(); 195 ctx.save();
197 ctx.beginPath(); 196 ctx.beginPath();
198 ctx.lineTo(10, 0); 197 ctx.lineTo(10, 0);
199 ctx.ellipse(20, 0, zero, 20, Math.PI / 6, -Math.PI / 4, Math.PI * 16, false); 198 ctx.ellipse(20, 0, zero, 20, Math.PI / 6, -Math.PI / 4, Math.PI * 16, false);
200 ctx.lineTo(80, 0); 199 ctx.lineTo(80, 0);
201 ctx.stroke(); 200 ctx.stroke();
202 ctx.restore(); 201 ctx.restore();
203 202
204 imageData = ctx.getImageData(115, 146, 1, 1); 203 imageData = ctx.getImageData(115, 146, 1, 1);
205 shouldBe("imageData.data[1]", "0"); 204 assert_equals(imageData.data[1], 0);
206 imageData = ctx.getImageData(111, 166, 1, 1); 205 imageData = ctx.getImageData(111, 166, 1, 1);
207 shouldBe("imageData.data[1]", "0"); 206 assert_equals(imageData.data[1], 0);
208 imageData = ctx.getImageData(127, 136, 1, 1); 207 imageData = ctx.getImageData(127, 136, 1, 1);
209 shouldBe("imageData.data[1]", "0"); 208 assert_equals(imageData.data[1], 0);
210 imageData = ctx.getImageData(127, 151, 1, 1); 209 imageData = ctx.getImageData(127, 151, 1, 1);
211 shouldBe("imageData.data[1]", "255"); 210 assert_equals(imageData.data[1], 255);
212 211
213 ctx.restore(); 212 ctx.restore();
214 213
215 ctx.translate(100, 0); 214 ctx.translate(100, 0);
216 ctx.save(); 215 ctx.save();
217 debug("lineTo + empty ellipse (radiusY == 0) + lineTo"); 216 // lineTo + empty ellipse (radiusY == 0) + lineTo
218 debug(" 1. sweepAngle < PI / 2"); 217 // 1. sweepAngle < PI / 2
219 ctx.translate(0, 30); 218 ctx.translate(0, 30);
220 ctx.save(); 219 ctx.save();
221 ctx.beginPath(); 220 ctx.beginPath();
222 ctx.lineTo(10, 0); 221 ctx.lineTo(10, 0);
223 ctx.ellipse(20, 0, 20, zero, Math.PI / 6, -Math.PI / 4, Math.PI / 4, false); 222 ctx.ellipse(20, 0, 20, zero, Math.PI / 6, -Math.PI / 4, Math.PI / 4, false);
224 ctx.lineTo(80, 0); 223 ctx.lineTo(80, 0);
225 ctx.stroke(); 224 ctx.stroke();
226 ctx.restore(); 225 ctx.restore();
227 226
228 imageData = ctx.getImageData(213, 32, 1, 1); 227 imageData = ctx.getImageData(213, 32, 1, 1);
229 shouldBe("imageData.data[1]", "0"); 228 assert_equals(imageData.data[1], 0);
230 imageData = ctx.getImageData(234, 39, 1, 1); 229 imageData = ctx.getImageData(234, 39, 1, 1);
231 shouldBe("imageData.data[1]", "0"); 230 assert_equals(imageData.data[1], 0);
232 imageData = ctx.getImageData(240, 36, 1, 1); 231 imageData = ctx.getImageData(240, 36, 1, 1);
233 shouldBe("imageData.data[1]", "0"); 232 assert_equals(imageData.data[1], 0);
234 233
235 debug(" 2. sweepAngle < PI"); 234 // 2. sweepAngle < PI
236 ctx.translate(0, 30); 235 ctx.translate(0, 30);
237 ctx.save(); 236 ctx.save();
238 ctx.beginPath(); 237 ctx.beginPath();
239 ctx.lineTo(10, 0); 238 ctx.lineTo(10, 0);
240 ctx.ellipse(20, 0, 20, zero, Math.PI / 6, -Math.PI / 4, Math.PI / 2, false); 239 ctx.ellipse(20, 0, 20, zero, Math.PI / 6, -Math.PI / 4, Math.PI / 2, false);
241 ctx.lineTo(80, 0); 240 ctx.lineTo(80, 0);
242 ctx.stroke(); 241 ctx.stroke();
243 ctx.restore(); 242 ctx.restore();
244 243
245 imageData = ctx.getImageData(232, 69, 1, 1); 244 imageData = ctx.getImageData(232, 69, 1, 1);
246 shouldBe("imageData.data[1]", "0"); 245 assert_equals(imageData.data[1], 0);
247 imageData = ctx.getImageData(238, 72, 1, 1); 246 imageData = ctx.getImageData(238, 72, 1, 1);
248 shouldBe("imageData.data[1]", "255"); 247 assert_equals(imageData.data[1], 255);
249 imageData = ctx.getImageData(228, 65, 1, 1); 248 imageData = ctx.getImageData(228, 65, 1, 1);
250 shouldBe("imageData.data[1]", "0"); 249 assert_equals(imageData.data[1], 0);
251 imageData = ctx.getImageData(242, 61, 1, 1); 250 imageData = ctx.getImageData(242, 61, 1, 1);
252 shouldBe("imageData.data[1]", "0"); 251 assert_equals(imageData.data[1], 0);
253 252
254 debug(" 3. sweepAngle < 2PI"); 253 // 3. sweepAngle < 2PI
255 ctx.translate(0, 30); 254 ctx.translate(0, 30);
256 ctx.save(); 255 ctx.save();
257 ctx.beginPath(); 256 ctx.beginPath();
258 ctx.lineTo(10, 0); 257 ctx.lineTo(10, 0);
259 ctx.ellipse(20, 0, 20, zero, Math.PI / 6, -Math.PI / 4, Math.PI * 3 / 2, false); 258 ctx.ellipse(20, 0, 20, zero, Math.PI / 6, -Math.PI / 4, Math.PI * 3 / 2, false);
260 ctx.lineTo(80, 0); 259 ctx.lineTo(80, 0);
261 ctx.stroke(); 260 ctx.stroke();
262 ctx.restore(); 261 ctx.restore();
263 262
264 imageData = ctx.getImageData(204, 82, 1, 1); 263 imageData = ctx.getImageData(204, 82, 1, 1);
265 shouldBe("imageData.data[1]", "0"); 264 assert_equals(imageData.data[1], 0);
266 imageData = ctx.getImageData(234, 100, 1, 1); 265 imageData = ctx.getImageData(234, 100, 1, 1);
267 shouldBe("imageData.data[1]", "0"); 266 assert_equals(imageData.data[1], 0);
268 imageData = ctx.getImageData(212, 92, 1, 1); 267 imageData = ctx.getImageData(212, 92, 1, 1);
269 shouldBe("imageData.data[1]", "0"); 268 assert_equals(imageData.data[1], 0);
270 imageData = ctx.getImageData(240, 90, 1, 1); 269 imageData = ctx.getImageData(240, 90, 1, 1);
271 shouldBe("imageData.data[1]", "0"); 270 assert_equals(imageData.data[1], 0);
272 271
273 debug(" 4. sweepAngle < 4PI"); 272 // 4. sweepAngle < 4PI
274 ctx.translate(0, 30); 273 ctx.translate(0, 30);
275 ctx.save(); 274 ctx.save();
276 ctx.beginPath(); 275 ctx.beginPath();
277 ctx.lineTo(10, 0); 276 ctx.lineTo(10, 0);
278 ctx.ellipse(20, 0, 20, zero, Math.PI / 6, -Math.PI / 4, Math.PI * 2, false); 277 ctx.ellipse(20, 0, 20, zero, Math.PI / 6, -Math.PI / 4, Math.PI * 2, false);
279 ctx.lineTo(80, 0); 278 ctx.lineTo(80, 0);
280 ctx.stroke(); 279 ctx.stroke();
281 ctx.restore(); 280 ctx.restore();
282 281
283 imageData = ctx.getImageData(208, 114, 1, 1); 282 imageData = ctx.getImageData(208, 114, 1, 1);
284 shouldBe("imageData.data[1]", "0"); 283 assert_equals(imageData.data[1], 0);
285 imageData = ctx.getImageData(235, 130, 1, 1); 284 imageData = ctx.getImageData(235, 130, 1, 1);
286 shouldBe("imageData.data[1]", "0"); 285 assert_equals(imageData.data[1], 0);
287 imageData = ctx.getImageData(210, 120, 1, 1); 286 imageData = ctx.getImageData(210, 120, 1, 1);
288 shouldBe("imageData.data[1]", "0"); 287 assert_equals(imageData.data[1], 0);
289 imageData = ctx.getImageData(252, 124, 1, 1); 288 imageData = ctx.getImageData(252, 124, 1, 1);
290 shouldBe("imageData.data[1]", "0"); 289 assert_equals(imageData.data[1], 0);
291 290
292 debug(" 5. sweepAngle > 4PI"); 291 // 5. sweepAngle > 4PI
293 ctx.translate(0, 30); 292 ctx.translate(0, 30);
294 ctx.save(); 293 ctx.save();
295 ctx.beginPath(); 294 ctx.beginPath();
296 ctx.lineTo(10, 0); 295 ctx.lineTo(10, 0);
297 ctx.ellipse(20, 0, 20, zero, Math.PI / 6, -Math.PI / 4, Math.PI * 16, false); 296 ctx.ellipse(20, 0, 20, zero, Math.PI / 6, -Math.PI / 4, Math.PI * 16, false);
298 ctx.lineTo(80, 0); 297 ctx.lineTo(80, 0);
299 ctx.stroke(); 298 ctx.stroke();
300 ctx.restore(); 299 ctx.restore();
301 300
302 imageData = ctx.getImageData(208, 144, 1, 1); 301 imageData = ctx.getImageData(208, 144, 1, 1);
303 shouldBe("imageData.data[1]", "0"); 302 assert_equals(imageData.data[1], 0);
304 imageData = ctx.getImageData(235, 160, 1, 1); 303 imageData = ctx.getImageData(235, 160, 1, 1);
305 shouldBe("imageData.data[1]", "0"); 304 assert_equals(imageData.data[1], 0);
306 imageData = ctx.getImageData(210, 150, 1, 1); 305 imageData = ctx.getImageData(210, 150, 1, 1);
307 shouldBe("imageData.data[1]", "0"); 306 assert_equals(imageData.data[1], 0);
308 imageData = ctx.getImageData(252, 154, 1, 1); 307 imageData = ctx.getImageData(252, 154, 1, 1);
309 shouldBe("imageData.data[1]", "0"); 308 assert_equals(imageData.data[1], 0);
310 309
310 }, 'This tests checks that ellipse can draw lines correctly in edge cases.');
311 </script> 311 </script>
312 </body> 312 </body>
313 </html> 313 </html>
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