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|  | (Empty) | 
| 1 Series of tests for canvas alpha |  | 
| 2 |  | 
| 3 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE
    ". |  | 
| 4 |  | 
| 5 |  | 
| 6 PASS ctx1.getContextAttributes().alpha is true |  | 
| 7 PASS imgData1.data[0] is 0 |  | 
| 8 PASS imgData1.data[1] is 0 |  | 
| 9 PASS imgData1.data[2] is 0 |  | 
| 10 PASS imgData1.data[3] is 0 |  | 
| 11 PASS ctx2.getContextAttributes().alpha is true |  | 
| 12 PASS imgData2.data[0] is 0 |  | 
| 13 PASS imgData2.data[1] is 0 |  | 
| 14 PASS imgData2.data[2] is 0 |  | 
| 15 PASS imgData2.data[3] is 0 |  | 
| 16 PASS ctx3.getContextAttributes().alpha is false |  | 
| 17 PASS ctx4.getContextAttributes().alpha is true |  | 
| 18 PASS imgData4.data[0] is 0 |  | 
| 19 PASS imgData4.data[1] is 0 |  | 
| 20 PASS imgData4.data[2] is 0 |  | 
| 21 PASS imgData4.data[3] is 0 |  | 
| 22 PASS attrs.alpha is true |  | 
| 23 PASS ctx4.getContextAttributes().alpha is true |  | 
| 24 PASS imgData4.data[0] is 0 |  | 
| 25 PASS imgData4.data[1] is 0 |  | 
| 26 PASS imgData4.data[2] is 0 |  | 
| 27 PASS imgData4.data[3] is 0 |  | 
| 28 PASS successfullyParsed is true |  | 
| 29 |  | 
| 30 TEST COMPLETE |  | 
| 31 |  | 
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