LayoutTests/fast/canvas/webgl/draw-webgl-to-canvas-2d-after-to-data-url-without-context-expected.txt - Issue 750273003: canvas: calling toDataURL without context doesn't create a buffer of canvas 2d.

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Side by Side Diff: LayoutTests/fast/canvas/webgl/draw-webgl-to-canvas-2d-after-to-data-url-without-context-expected.txt

Issue 750273003: canvas: calling toDataURL without context doesn't create a buffer of canvas 2d. (Closed) Base URL: https://chromium.googlesource.com/chromium/blink.git@master

Patch Set: fix typo Created 6 years ago

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	1 PASS successfullyParsed is true

	2

	3 TEST COMPLETE

	4 Check for drawing webgl to canvas 2d on the same frame.

	5 1) when drawingBuffer is preserved.

	6 PASS imgdata[0] is 255

	7 PASS imgdata[1] is 0

	8 PASS imgdata[2] is 0

	9 PASS imgdata[0] is 0

	10 PASS imgdata[1] is 255

	11 PASS imgdata[2] is 0

	12 2) when drawingBuffer is not preserved.

	13 PASS imgdata[0] is 255

	14 PASS imgdata[1] is 0

	15 PASS imgdata[2] is 0

	16 PASS imgdata[0] is 0

	17 PASS imgdata[1] is 255

	18 PASS imgdata[2] is 0

	19 Check for drawing webgl to canvas 2d several frames after drawing webgl contents .

	20 1) when drawingBuffer is preserved.

	21 PASS imgdata[0] is 255

	22 PASS imgdata[1] is 0

	23 PASS imgdata[2] is 0

	24 PASS imgdata[0] is 0

	25 PASS imgdata[1] is 255

	26 PASS imgdata[2] is 0

	27 2) when drawingBuffer is not preserved. It leads to undefined behavior.

	28 PASS imgdata[0] is 255

	29 PASS imgdata[1] is 0

	30 PASS imgdata[2] is 0

	31 PASS imgdata[0] is 255

	32 PASS imgdata[1] is 0

	33 PASS imgdata[2] is 0

	34 Everything is same to draw-webgl-to-canvas-2d.html except for calling redundant toDataURL(). Canvas spec allows to call toDataURL() without a context. Some bad things can happen if we call toDataURL() without a context and then create a con text and then call toDataURL() again.

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