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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 17:32:43 +0000 |
| commit | 6bf0a5cb5034a7e684dcc3500e841785237ce2dd (patch) | |
| tree | a68f146d7fa01f0134297619fbe7e33db084e0aa /testing/web-platform/tests/preload/link-header-preload-delay-onload.html | |
| parent | Initial commit. (diff) | |
| download | thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.tar.xz thunderbird-6bf0a5cb5034a7e684dcc3500e841785237ce2dd.zip | |
Adding upstream version 1:115.7.0.upstream/1%115.7.0upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'testing/web-platform/tests/preload/link-header-preload-delay-onload.html')
| -rw-r--r-- | testing/web-platform/tests/preload/link-header-preload-delay-onload.html | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/testing/web-platform/tests/preload/link-header-preload-delay-onload.html b/testing/web-platform/tests/preload/link-header-preload-delay-onload.html new file mode 100644 index 0000000000..a445d800a5 --- /dev/null +++ b/testing/web-platform/tests/preload/link-header-preload-delay-onload.html @@ -0,0 +1,40 @@ +<!DOCTYPE html> +<script src="/resources/testharness.js"></script> +<script src="/resources/testharnessreport.js"></script> +<script src="/preload/resources/preload_helper.js"></script> +<script> + var t = async_test('Makes sure that Link headers preload resources and block window.onload after resource discovery'); +</script> +<body> +<style> + #background { + width: 200px; + height: 200px; + background-image: url(resources/square.png?background); + } +</style> +<link rel="stylesheet" href="resources/dummy.css?link-header-preload-delay-onload"> +<script src="resources/dummy.js?link-header-preload-delay-onload"></script> +<div id="background"></div> +<script> + document.write('<img src="resources/square.png?link-header-preload-delay-onload">'); + window.addEventListener("load", t.step_func(function() { + verifyPreloadAndRTSupport(); + var entries = performance.getEntriesByType("resource"); + var found_background_first = false; + for (var i = 0; i < entries.length; ++i) { + var entry = entries[i]; + if (entry.name.indexOf("square") != -1) { + if (entry.name.indexOf("background") != -1) + found_background_first = true; + break; + } + } + assert_true(found_background_first); + verifyLoadedAndNoDoubleDownload("resources/square.png?link-header-preload-delay-onload"); + verifyLoadedAndNoDoubleDownload("resources/square.png?background"); + verifyLoadedAndNoDoubleDownload("resources/dummy.js?link-header-preload-delay-onload"); + verifyLoadedAndNoDoubleDownload("resources/dummy.css?link-header-preload-delay-onload"); + t.done(); + })); +</script> |