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Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.malformed-operations-with-promises.convertToBlob.html')
| -rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.malformed-operations-with-promises.convertToBlob.html | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.malformed-operations-with-promises.convertToBlob.html b/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.malformed-operations-with-promises.convertToBlob.html new file mode 100644 index 0000000000..0b3854c31d --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.malformed-operations-with-promises.convertToBlob.html @@ -0,0 +1,27 @@ +<!DOCTYPE html> +<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> +<title>OffscreenCanvas test: 2d.layer.malformed-operations-with-promises.convertToBlob</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> + +<h1>2d.layer.malformed-operations-with-promises.convertToBlob</h1> +<p class="desc">Check that exceptions are thrown for operations that are malformed while layers are open.</p> + + +<script> +promise_test(async t => { + + var canvas = new OffscreenCanvas(200, 200); + var ctx = canvas.getContext('2d'); + + // Shouldn't throw on its own. + await canvas.convertToBlob(); + // Make sure the exception isn't caused by calling the function twice. + await canvas.convertToBlob(); + // Calling again inside a layer should throw. + ctx.beginLayer(); + await promise_rejects_dom(t, 'InvalidStateError', canvas.convertToBlob()); + +}, "Check that exceptions are thrown for operations that are malformed while layers are open."); +</script> |