| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.filter.canvasFilterObject.convolveMatrix.exceptions</title> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="/html/canvas/resources/canvas-tests.js"></script> |
| |
| <h1>2d.filter.canvasFilterObject.convolveMatrix.exceptions</h1> |
| <p class="desc">Test exceptions on CanvasFilter() convolveMatrix</p> |
| |
| |
| <script> |
| var t = async_test("Test exceptions on CanvasFilter() convolveMatrix"); |
| var t_pass = t.done.bind(t); |
| var t_fail = t.step_func(function(reason) { |
| throw reason; |
| }); |
| t.step(function() { |
| |
| var offscreenCanvas = new OffscreenCanvas(100, 50); |
| var ctx = offscreenCanvas.getContext('2d'); |
| |
| assert_throws_js(TypeError, function() { new CanvasFilter({convolveMatrix: {}}); }); |
| assert_throws_js(TypeError, function() { new CanvasFilter({convolveMatrix: null}); }); |
| assert_throws_js(TypeError, function() { new CanvasFilter({convolveMatrix: {divisor: 2}}); }); |
| assert_throws_js(TypeError, function() { new CanvasFilter({convolveMatrix: {kernelMatrix: null}}); }); |
| assert_throws_js(TypeError, function() { new CanvasFilter({convolveMatrix: {kernelMatrix: 1}}); }); |
| assert_throws_js(TypeError, function() { new CanvasFilter({convolveMatrix: {kernelMatrix: [[1, 0], [0]]}}); }); |
| assert_throws_js(TypeError, function() { new CanvasFilter({convolveMatrix: {kernelMatrix: [[1, "a"], [0]]}}); }); |
| assert_throws_js(TypeError, function() { new CanvasFilter({convolveMatrix: {kernelMatrix: [[1, 0], 0]}}); }); |
| assert_throws_js(TypeError, function() { new CanvasFilter({convolveMatrix: {kernelMatrix: [[1, 0], [0, Infinity]]}}); }); |
| assert_throws_js(TypeError, function() { new CanvasFilter({convolveMatrix: {kernelMatrix: []}}); }); |
| // This should not throw an error |
| ctx.filter = new CanvasFilter({convolveMatrix: {kernelMatrix: [[]]}}); |
| t.done(); |
| |
| }); |
| </script> |
