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Diffstat (limited to '')
-rw-r--r-- | testing/web-platform/tests/webmessaging/with-ports/011.html | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/testing/web-platform/tests/webmessaging/with-ports/011.html b/testing/web-platform/tests/webmessaging/with-ports/011.html new file mode 100644 index 0000000000..782b3208ba --- /dev/null +++ b/testing/web-platform/tests/webmessaging/with-ports/011.html @@ -0,0 +1,29 @@ +<!doctype html> +<title>posting an imagedata (from a cloned canvas) in an array</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<div id="log"></div> +<script> +async_test(function() { + + var canvas = document.createElement('canvas'); + var clone = canvas.cloneNode(true); + var ctx = clone.getContext('2d'); + var imagedata = ctx.getImageData(0, 0, 300, 150); + postMessage([imagedata], '*', []); + + onmessage = this.step_func(function(e) { + function processPixels(imagedata) { + var pixeldata = imagedata.data; + for (var i = 0; i < pixeldata.length; i = i+4) { + pixeldata[i] = 128; + assert_equals(pixeldata[i], 128); + } + } + processPixels(e.data[0]); + this.done(); + }); + +}); +</script> + |