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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 09:22:09 +0000 |
| commit | 43a97878ce14b72f0981164f87f2e35e14151312 (patch) | |
| tree | 620249daf56c0258faa40cbdcf9cfba06de2a846 /testing/web-platform/tests/paint-timing/with-first-paint/first-contentful-canvas-webgl2.html | |
| parent | Initial commit. (diff) | |
| download | firefox-upstream.tar.xz firefox-upstream.zip | |
Adding upstream version 110.0.1.upstream/110.0.1upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/paint-timing/with-first-paint/first-contentful-canvas-webgl2.html')
| -rw-r--r-- | testing/web-platform/tests/paint-timing/with-first-paint/first-contentful-canvas-webgl2.html | 47 |
1 files changed, 47 insertions, 0 deletions
diff --git a/testing/web-platform/tests/paint-timing/with-first-paint/first-contentful-canvas-webgl2.html b/testing/web-platform/tests/paint-timing/with-first-paint/first-contentful-canvas-webgl2.html new file mode 100644 index 0000000000..f7c5f50ecb --- /dev/null +++ b/testing/web-platform/tests/paint-timing/with-first-paint/first-contentful-canvas-webgl2.html @@ -0,0 +1,47 @@ +<!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> + <canvas id="canvas" width="200" height="200"></canvas> + + <script> + setup({ "hide_test_state": true }); + async_test(function (t) { + assert_implements(window.PerformancePaintTiming, "Paint Timing isn't supported."); + const canvas = document.getElementById("canvas"); + const context = canvas.getContext("webgl2"); + if (!context) { + assert_implements_optional(context, "WebGL 2 Canvas isn't supported.") + } + context.clearColor(0.3, 0.3, 0.3, 1); + context.clear(context.COLOR_BUFFER_BIT); + function testPaintEntries() { + const bufferedEntries = performance.getEntriesByType('paint'); + if (bufferedEntries.length < 2) { + t.step_timeout(function () { + testPaintEntries(); + }, 20); + return; + } + t.step(function () { + assert_equals(bufferedEntries.length, 2, "There should be two paint timing instances."); + assert_equals(bufferedEntries[0].entryType, "paint"); + assert_equals(bufferedEntries[0].name, "first-paint"); + assert_equals(bufferedEntries[1].entryType, "paint"); + assert_equals(bufferedEntries[1].name, "first-contentful-paint"); + t.done(); + }); + }; + t.step(function () { + testPaintEntries(); + }); + }, "First contentful paint fires due to webgl2 canvas render."); + </script> +</body> + +</html> |