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Diffstat (limited to '')
-rw-r--r-- | testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-detached.html | 34 |
1 files changed, 34 insertions, 0 deletions
diff --git a/testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-detached.html b/testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-detached.html new file mode 100644 index 0000000000..40bf6eeb56 --- /dev/null +++ b/testing/web-platform/tests/imagebitmap-renderingcontext/transferFromImageBitmap-detached.html @@ -0,0 +1,34 @@ +<!DOCTYPE html> +<meta charset="utf-8"> +<title>Canvas's ImageBitmapRenderingContext test</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<link rel="help" href="https://html.spec.whatwg.org/multipage/scripting.html#the-imagebitmap-rendering-context"> +<script> +var width = 10; +var height = 10; + +promise_test(function() { + function testException(image) { + var dstCanvas = document.createElement('canvas'); + dstCanvas.width = width; + dstCanvas.height = height; + var dstCtx = dstCanvas.getContext('bitmaprenderer'); + dstCtx.transferFromImageBitmap(image); + + // The image should be detached after transferFromImageBitmap. + assert_equals(image.width, 0); + assert_equals(image.height, 0); + assert_throws_dom("InvalidStateError", function() { dstCtx.transferFromImageBitmap(image); }); + } + + var srcCanvas = document.createElement('canvas'); + srcCanvas.width = width; + srcCanvas.height = height; + var ctx = srcCanvas.getContext('2d'); + ctx.fillStyle = 'rgba(0, 255, 0, 0.5)'; + ctx.fillRect(0, 0, width, height); + return createImageBitmap(srcCanvas).then(testException); +}, "Test transferFromImageBitmap(image) with a detached image should throw InvalidStateError"); + +</script> |