createImageBitmap-blob-invalidtype.html

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This WPT test may be referenced by the following Test IDs:
- /html/canvas/element/manual/imagebitmap/createImageBitmap-blob-invalidtype.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<html>

<title>createImageBitmap: blob with wrong mime type</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/html/canvas/resources/canvas-tests.js"></script>

<script>

promise_test(t => {

  // Source: https://commons.wikimedia.org/wiki/File:1x1.png (Public Domain)

  const IMAGE = atob("iVBORw0KGgoAAAANSUhEUgAAAAEAAAABAQMAAAAl21bKAAAAA1BMVEUAA" +

                     "ACnej3aAAAAAXRSTlMAQObYZgAAAApJREFUCNdjYAAAAAIAAeIhvDMAAAAASUVORK5CYII=");

  let bytes = new Array(IMAGE.length);

  for (let i = 0; i < IMAGE.length; i++) {

    bytes[i] = IMAGE.charCodeAt(i);

  let blob = new Blob([new Uint8Array(bytes)], { type: "text/html"});

  return window.createImageBitmap(blob)

    .then(imageBitmap => {

      assert_true(true, "Image created!");

      assert_equals(imageBitmap.width, 1, "Image is 1x1");

      assert_equals(imageBitmap.height, 1, "Image is 1x1");

});

});

</script>