diff options
Diffstat (limited to '')
-rw-r--r-- | testing/web-platform/tests/content-security-policy/support/prefetch-with-csp.html | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/testing/web-platform/tests/content-security-policy/support/prefetch-with-csp.html b/testing/web-platform/tests/content-security-policy/support/prefetch-with-csp.html new file mode 100644 index 0000000000..8185a3abee --- /dev/null +++ b/testing/web-platform/tests/content-security-policy/support/prefetch-with-csp.html @@ -0,0 +1,18 @@ +<!DOCTYPE html> + <html> + <head> + <link id="prefetch" rel="prefetch" href="pass.png"> + </head> + <body> + <script> + const bc = new BroadcastChannel(new URLSearchParams(location.search).get("uid")); + document.getElementById("prefetch").addEventListener("error", e => bc.postMessage(false)); + const observer = new PerformanceObserver(entries => { + const found = entries.getEntriesByName(new URL("pass.png", location.href).href); + if (found.length) + bc.postMessage(found[0].encodedBodySize > 0); + }); + observer.observe({entryTypes: ["resource"]}); + </script> + </body> + </html> |