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Diffstat (limited to 'testing/web-platform/tests/html/canvas/element/layers/2d.layer.malformed-operations.putImageData.html')
-rw-r--r-- | testing/web-platform/tests/html/canvas/element/layers/2d.layer.malformed-operations.putImageData.html | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/testing/web-platform/tests/html/canvas/element/layers/2d.layer.malformed-operations.putImageData.html b/testing/web-platform/tests/html/canvas/element/layers/2d.layer.malformed-operations.putImageData.html new file mode 100644 index 0000000000..fd4fc262c2 --- /dev/null +++ b/testing/web-platform/tests/html/canvas/element/layers/2d.layer.malformed-operations.putImageData.html @@ -0,0 +1,36 @@ +<!DOCTYPE html> +<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> +<title>Canvas test: 2d.layer.malformed-operations.putImageData</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"> +<body class="show_output"> + +<h1>2d.layer.malformed-operations.putImageData</h1> +<p class="desc">Check that exceptions are thrown for operations that are malformed while layers are open.</p> + + +<p class="output">Actual output:</p> +<canvas id="c" class="output" width="200" height="200"><p class="fallback">FAIL (fallback content)</p></canvas> + +<ul id="d"></ul> +<script> +var t = async_test("Check that exceptions are thrown for operations that are malformed while layers are open."); +_addTest(function(canvas, ctx) { + + 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)); + +}); +</script> + |