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-rw-r--r-- | testing/web-platform/tests/html/canvas/element/layers/2d.layer.malformed-operations-with-promises.html | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/element/layers/2d.layer.malformed-operations-with-promises.html b/testing/web-platform/tests/html/canvas/element/layers/2d.layer.malformed-operations-with-promises.html new file mode 100644 index 0000000000..8e81bffdfb --- /dev/null +++ b/testing/web-platform/tests/html/canvas/element/layers/2d.layer.malformed-operations-with-promises.html @@ -0,0 +1,40 @@ +<!DOCTYPE html> +<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> +<title>Canvas test: 2d.layer.malformed-operations-with-promises</title> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/html/canvas/resources/canvas-tests.js"></script> +<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css"> + +<script> + +promise_test(async t => { + const canvas = document.createElement('canvas'); + const ctx = canvas.getContext('2d'); + + // Shouldn't throw on its own. + await createImageBitmap(canvas); + // Make sure the exception isn't caused by calling the function twice. + await createImageBitmap(canvas); + // Calling again inside a layer should throw. + ctx.beginLayer(); + await promise_rejects_dom(t, 'InvalidStateError', + createImageBitmap(canvas)); +}, "Throws if createImageBitmap is called while layers are open."); + +promise_test(async t => { + const canvas = document.createElement('canvas'); + const ctx = canvas.getContext('2d'); + + // Shouldn't throw on its own. + await new Promise(resolve => canvas.toBlob(resolve)); + // Make sure the exception isn't caused by calling the function twice. + await new Promise(resolve => canvas.toBlob(resolve)); + // Calling again inside a layer should throw. + ctx.beginLayer(); + await promise_rejects_dom(t, 'InvalidStateError', + new Promise(resolve => canvas.toBlob(resolve))); +}, "Throws if toBlob is called while layers are open."); + +</script> +</div> |