third_party/WebKit/LayoutTests/fast/canvas/canvas-no-alpha-invalidation.html - Issue 2558973002: Add missing paint invalidation when creating canvas 2d context with no alpha

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Issue 2558973002: Add missing paint invalidation when creating canvas 2d context with no alpha (Closed)

Patch Set: senorblanco feedback Created 4 years ago

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	1 <!DOCTYPE html>

	2 <p>Expect to see a black square below this line.</p>

	3 <canvas id = 'c' width='100' height='100'></canvas>

	4 <script>

	5 if (window.testRunner) {

	6 testRunner.waitUntilDone();

	7 testRunner.layoutAndPaintAsyncThen(function(){

	8 // Verify that creating a context with alpha:false trigger a graphics

	9 // update even though nothing is drawn to the canvas.

	10 document.getElementById('c').getContext('2d', { alpha:false });

	11 testRunner.notifyDone();

	12 });

	13 } else {

	14 console.log('ERROR: This test requires the testRunner interface.')

	15 }

	16 </script>

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