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Diffstat (limited to '')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/manual/layers/unclosed-nested-layers.w.html | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/manual/layers/unclosed-nested-layers.w.html b/testing/web-platform/tests/html/canvas/offscreen/manual/layers/unclosed-nested-layers.w.html new file mode 100644 index 0000000000..1a1dc54052 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/manual/layers/unclosed-nested-layers.w.html @@ -0,0 +1,54 @@ +<!DOCTYPE html> +<html class="reftest-wait"> +<link rel="match" href="unclosed-nested-layers-expected.html"> +<title>Canvas test: unclosed-nested-layers</title> +<h1>unclosed-nested-layers</h1> +<p class="desc">Check that unclosed nested layers aren't rendered.</p> +<canvas id="canvas" width="1" height="1"> + <p class="fallback">FAIL (fallback content)</p> +</canvas> +<script id='myWorker' type='text/worker'> + self.onmessage = msg => { + const offscreen = msg.data.canvas; + const ctx = offscreen.getContext('2d'); + offscreen.width = offscreen.height = 200; + + ctx.fillStyle = 'rgba(0, 0, 255, 1)'; + ctx.fillRect(60, 60, 75, 50); + + ctx.beginLayer(); + ctx.fillStyle = 'rgba(225, 0, 0, 1)'; + ctx.fillRect(50, 50, 75, 50); + + ctx.beginLayer(); + ctx.fillStyle = 'rgba(0, 255, 0, 1)'; + ctx.fillRect(70, 70, 75, 50); + + ctx.endLayer(); + // Missing ctx.endLayer() here. + + self.postMessage('setup ready'); + } +</script> +<script> + const blob = new Blob([document.getElementById('myWorker').textContent]); + const worker = new Worker(URL.createObjectURL(blob)); + var placeholder = document.getElementById('canvas'); + var offscreen = placeholder.transferControlToOffscreen(); + worker.addEventListener('message', msg => { + if(msg.data == 'setup ready') { + function draw () { + // Wait until frame propagates. + if(placeholder.width != 1) { + document.documentElement.classList.remove("reftest-wait"); + } else { + requestAnimationFrame(draw); + } + } + requestAnimationFrame(draw); + } + }); + worker.postMessage({ + canvas: offscreen + }, [offscreen]); +</script> |