diff options
Diffstat (limited to 'testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.malformed-operations.putImageData.worker.js')
-rw-r--r-- | testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.malformed-operations.putImageData.worker.js | 32 |
1 files changed, 32 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.malformed-operations.putImageData.worker.js b/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.malformed-operations.putImageData.worker.js new file mode 100644 index 0000000000..8810c3a73c --- /dev/null +++ b/testing/web-platform/tests/html/canvas/offscreen/layers/2d.layer.malformed-operations.putImageData.worker.js @@ -0,0 +1,32 @@ +// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. +// OffscreenCanvas test in a worker:2d.layer.malformed-operations.putImageData +// Description:Check that exceptions are thrown for operations that are malformed while layers are open. +// Note: + +importScripts("/resources/testharness.js"); +importScripts("/html/canvas/resources/canvas-tests.js"); + +var t = async_test("Check that exceptions are thrown for operations that are malformed while layers are open."); +var t_pass = t.done.bind(t); +var t_fail = t.step_func(function(reason) { + throw reason; +}); +t.step(function() { + + var canvas = new OffscreenCanvas(200, 200); + var ctx = canvas.getContext('2d'); + + const canvas2 = new OffscreenCanvas(200, 200); + const ctx2 = canvas2.getContext('2d') + const data = ctx2.getImageData(0, 0, 1, 1); + // Shouldn't throw on its own. + ctx.putImageData(data, 0, 0); + // Make sure the exception isn't caused by calling the function twice. + ctx.putImageData(data, 0, 0); + // Calling again inside a layer should throw. + ctx.beginLayer(); + assert_throws_dom("InvalidStateError", + () => ctx.putImageData(data, 0, 0)); + t.done(); +}); +done(); |