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Diffstat (limited to '')
| -rw-r--r-- | testing/web-platform/tests/largest-contentful-paint/same-origin-redirects.html | 35 |
1 files changed, 35 insertions, 0 deletions
diff --git a/testing/web-platform/tests/largest-contentful-paint/same-origin-redirects.html b/testing/web-platform/tests/largest-contentful-paint/same-origin-redirects.html new file mode 100644 index 0000000000..b5cf9da2d1 --- /dev/null +++ b/testing/web-platform/tests/largest-contentful-paint/same-origin-redirects.html @@ -0,0 +1,35 @@ +<!DOCTYPE HTML> +<html> +<head> +<meta charset="utf-8" /> +<title>This test validates LargestContentfulPaint for same-origin redirect chain.</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> +async_test(t => { + assert_implements(window.LargestContentfulPaint, "LargestContentfulPaint is not implemented"); + // First redirect + let destUrl = '/common/redirect.py?location=' + // Second redirect + destUrl += '/common/redirect.py?location=' + // Image without TAO headers. + destUrl += '/element-timing/resources/square20.png'; + let beforeLoad; + new PerformanceObserver(t.step_func_done(entries => { + assert_equals(entries.getEntries().length, 1, 'There should be one entry'); + const entry = entries.getEntries()[0]; + checkImage(entry, location.origin + destUrl, 'id', 20*20, beforeLoad); + })).observe({entryTypes: ['largest-contentful-paint']}); + const image = document.createElement('img'); + image.src = destUrl; + image.setAttribute('id', 'id') + document.body.appendChild(image); + beforeLoad = performance.now(); +}, 'Same-origin image redirect without TAO should have its renderTime set.'); +</script> +</body> +</html> + |