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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Unified Diff: 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 (Closed)

Patch Set: Created 4 years ago

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Index: third_party/WebKit/LayoutTests/fast/canvas/canvas-no-alpha-invalidation.html

diff --git a/third_party/WebKit/LayoutTests/fast/canvas/canvas-no-alpha-invalidation.html b/third_party/WebKit/LayoutTests/fast/canvas/canvas-no-alpha-invalidation.html

new file mode 100644

index 0000000000000000000000000000000000000000..165058043be2ce2aa4b81f63927af933c8ce0b44

--- /dev/null

+++ b/third_party/WebKit/LayoutTests/fast/canvas/canvas-no-alpha-invalidation.html

@@ -0,0 +1,16 @@

+<!DOCTYPE html>

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

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

Stephen White 2016/12/07 22:27:48 uNit: prefer <canvas id='c' width='100' height='10

+<script>

+if (window.testRunner) {

+ testRunner.waitUntilDone();

+ testRunner.layoutAndPaintAsyncThen(function(){

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

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

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

+ testRunner.notifyDone();

+ });

+} else {

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

+</script>