| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <title>OffscreenCanvas test: 2d.layer.beginLayer-options</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.beginLayer-options</h1> |
| <p class="desc">Checks beginLayer works for different option parameter values</p> |
| |
| |
| <script> |
| test(t => { |
| var canvas = new OffscreenCanvas(100, 50); |
| var ctx = canvas.getContext('2d'); |
| |
| ctx.beginLayer(); ctx.endLayer(); |
| ctx.beginLayer(null); ctx.endLayer(); |
| ctx.beginLayer(undefined); ctx.endLayer(); |
| ctx.beginLayer([]); ctx.endLayer(); |
| ctx.beginLayer({}); ctx.endLayer(); |
| |
| assert_throws_js(TypeError, function() { ctx.beginLayer(''); }); |
| assert_throws_js(TypeError, function() { ctx.beginLayer(0); }); |
| assert_throws_js(TypeError, function() { ctx.beginLayer(1); }); |
| assert_throws_js(TypeError, function() { ctx.beginLayer(true); }); |
| assert_throws_js(TypeError, function() { ctx.beginLayer(false); }); |
| |
| ctx.beginLayer({filter: null}); ctx.endLayer(); |
| ctx.beginLayer({filter: undefined}); ctx.endLayer(); |
| ctx.beginLayer({filter: []}); ctx.endLayer(); |
| ctx.beginLayer({filter: {}}); ctx.endLayer(); |
| ctx.beginLayer({filter: {name: "unknown"}}); ctx.endLayer(); |
| ctx.beginLayer({filter: ''}); ctx.endLayer(); |
| |
| // These cases don't throw TypeError since they can be casted to a |
| // DOMString. |
| ctx.beginLayer({filter: 0}); ctx.endLayer(); |
| ctx.beginLayer({filter: 1}); ctx.endLayer(); |
| ctx.beginLayer({filter: true}); ctx.endLayer(); |
| ctx.beginLayer({filter: false}); ctx.endLayer(); |
| |
| }, "Checks beginLayer works for different option parameter values"); |
| </script> |