| <!DOCTYPE html> |
| |
| <head> |
| <title>Performance Paint Timing Test: FCP due to canvas</title> |
| </head> |
| |
| <body> |
| <script src="/resources/testharness.js"></script> |
| <script src="/resources/testharnessreport.js"></script> |
| <script src="resources/utils.js"></script> |
| <canvas id="canvas" width="200" height="200"></canvas> |
| |
| <script> |
| setup({"hide_test_state": true}); |
| promise_test(async t => { |
| assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported."); |
| await new Promise(r => window.addEventListener('load', r)); |
| await assertNoFirstContentfulPaint(t); |
| }, 'First contentful paint should not fire for canvas type none'); |
| </script> |
| </body> |
| |
| </html> |