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| -rw-r--r-- | testing/web-platform/tests/largest-contentful-paint/animated/observe-animated-image-gif.tentative.html | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/testing/web-platform/tests/largest-contentful-paint/animated/observe-animated-image-gif.tentative.html b/testing/web-platform/tests/largest-contentful-paint/animated/observe-animated-image-gif.tentative.html new file mode 100644 index 0000000000..a2c0d7975a --- /dev/null +++ b/testing/web-platform/tests/largest-contentful-paint/animated/observe-animated-image-gif.tentative.html @@ -0,0 +1,27 @@ +<!DOCTYPE HTML> +<html> +<head> + <meta charset=utf-8> + <title>Largest Contentful Paint: observe image.</title> + <script src="/resources/testharness.js"></script> + <script src="/resources/testharnessreport.js"></script> + <script src="../resources/largest-contentful-paint-helpers.js"></script> +</head> +<body> + <script> + promise_test(async () => { + assert_implements(window.LargestContentfulPaint, + "LargestContentfulPaint is not implemented"); + const beforeLoad = performance.now(); + // 136 is the size of the animated GIF up until the first frame. + // The trickle pipe delays the response after the first frame by 1 second. + const url = window.location.origin + + `/images/anim-gr.gif?pipe=trickle(136:d${delay_pipe_value})`; + const entry = await load_and_observe(url); + // anim-gr.gif is 100 by 50. + const size = 100 * 50; + checkImage(entry, url, 'image_id', size, beforeLoad, ["animated"]); + }, "Same origin animated image is observable and has a first frame."); + </script> +</body> +</html> |