1 files changed, 44 insertions, 0 deletions
diff --git a/testing/raptor/browsertime/speculative-connect.js b/testing/raptor/browsertime/speculative-connect.js
new file mode 100644
index 0000000000..e984b21d92
--- /dev/null
+++ b/testing/raptor/browsertime/speculative-connect.js
@@ -0,0 +1,44 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
+
+/* eslint-env node */
+
+module.exports = async function (context, commands) {
+  context.log.info(
+    "Starting a pageload for which we will first make a speculative connection to the host"
+  );
+
+  const url = "https://en.wikipedia.org/wiki/Barack_Obama";
+
+  await commands.navigate("about:blank");
+  await commands.wait.byTime(1000);
+
+  context.log.debug("Make privileged call to speculativeConnect");
+  const script = `
+    var URI = Services.io.newURI("${url}");
+    var principal = Services.scriptSecurityManager.createContentPrincipal(URI, {});
+    Services.io.QueryInterface(Ci.nsISpeculativeConnect).speculativeConnect(URI, principal, null, false);
+  `;
+
+  commands.js.runPrivileged(script);
+
+  // More than enough time for the connection to be made
+  await commands.wait.byTime(1000);
+
+  await commands.measure.start();
+  await commands.navigate(url);
+  await commands.measure.stop();
+
+  let connect_time = await commands.js.run(
+    `return (window.performance.timing.connectEnd - window.performance.timing.navigationStart);`
+  );
+  context.log.info("connect_time: " + connect_time);
+
+  await commands.measure.addObject({
+    custom_data: { connect_time },
+  });
+
+  context.log.info("Speculative connect test finished.");
+  return true;
+};