Ensure correct behavior of canvas with image shadow. A square with a cut-out top-right corner should be displayed with solid shadow (top) and blur shadow (bottom). On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE". PASS successfullyParsed is true TEST COMPLETE PASS d[0] is 0 PASS d[1] is 0 PASS d[2] is 0 PASS d[3] is 0 PASS d[0] is 240 PASS d[1] is 50 PASS d[2] is 50 PASS d[3] is 255 PASS d[0] is 240 PASS d[1] is 50 PASS d[2] is 50 PASS d[3] is 255 PASS d[0] is 0 PASS d[1] is 0 PASS d[2] is 0 PASS d[3] is 0 PASS d[0] is 0 PASS d[1] is 0 PASS d[2] is 0 PASS d[3] is 0 PASS d[0] is 0 PASS d[1] is 0 PASS d[2] is 0 PASS d[3] is 0 PASS d[0] is 0 PASS d[1] is 0 PASS d[2] is 255 PASS d[3] should not be 255 and it's not. PASS d[0] is 0 PASS d[1] is 0 PASS d[2] is 255 PASS d[3] should not be 255 and it's not. PASS d[0] is 0 PASS d[1] is 0 PASS d[2] is 255 PASS d[3] should not be 255 and it's not. PASS d[0] is 0 PASS d[1] is 0 PASS d[2] is 255 PASS d[3] should not be 255 and it's not. PASS d[0] is 0 PASS d[1] is 0 PASS d[2] is 255 PASS d[0] is 0 PASS d[1] is 0 PASS d[2] is 0 PASS d[3] is 0 PASS d[0] is 0 PASS d[1] is 0 PASS d[2] is 0 PASS d[3] is 0