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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/css/css-fonts/font-display/font-display-failure-fallback.html | |
| parent | Initial commit. (diff) | |
| download | firefox-43a97878ce14b72f0981164f87f2e35e14151312.tar.xz firefox-43a97878ce14b72f0981164f87f2e35e14151312.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/css/css-fonts/font-display/font-display-failure-fallback.html')
| -rw-r--r-- | testing/web-platform/tests/css/css-fonts/font-display/font-display-failure-fallback.html | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/testing/web-platform/tests/css/css-fonts/font-display/font-display-failure-fallback.html b/testing/web-platform/tests/css/css-fonts/font-display/font-display-failure-fallback.html new file mode 100644 index 0000000000..00b528298b --- /dev/null +++ b/testing/web-platform/tests/css/css-fonts/font-display/font-display-failure-fallback.html @@ -0,0 +1,37 @@ +<!DOCTYPE html> +<link rel="help" href="https://drafts.csswg.org/css-fonts-4/#font-display-timeline"> +<script nonce="abc" src="/resources/testharness.js"></script> +<script nonce="abc" src="/resources/testharnessreport.js"></script> +<style> +@font-face { + font-family: 'TestFace'; + src: url('/fonts/Ahem.ttf?pipe=trickle(d0.5)'), + url('/fonts/Ahem.ttf?fallback-src'); + font-display: optional; +} + +@font-face { + font-family: 'FallbackFace'; + src: url('/fonts/Ahem.ttf?fallback-face'); +} + +.test { + font-family: 'TestFace','FallbackFace'; +} +</style> +<div class="test">hello</div> +<script> +function numberOfDownloads(url) { + assert_true(!!window.PerformanceResourceTiming, "ResourceTiming not supported"); + var absoluteURL = new URL(url, location.href).href; + return performance.getEntriesByName(absoluteURL).length; +} + +promise_test(function() { + return document.fonts.ready.then(function() { + assert_equals(numberOfDownloads('/fonts/Ahem.ttf?pipe=trickle(d0.5)'), 1, 'first source should be loaded'); + assert_equals(numberOfDownloads('/fonts/Ahem.ttf?fallback-src'), 0, 'fallback source should not be loaded'); + assert_equals(numberOfDownloads('/fonts/Ahem.ttf?fallback-face'), 1, 'fallback font face should be loaded'); + }); +}, "Fallback for font failure period"); +</script> |