1 files changed, 47 insertions, 0 deletions
diff --git a/netwerk/test/browser/browser_103_cleanup.js b/netwerk/test/browser/browser_103_cleanup.js
new file mode 100644
index 0000000000..c823f5f01a
--- /dev/null
+++ b/netwerk/test/browser/browser_103_cleanup.js
@@ -0,0 +1,47 @@
+/* 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/. */
+
+"use strict";
+
+Services.prefs.setBoolPref("network.early-hints.enabled", true);
+
+add_task(async function test_103_cancel_parent_connect() {
+  Services.prefs.setIntPref("network.early-hints.parent-connect-timeout", 1);
+
+  let callback;
+  let promise = new Promise(resolve => {
+    callback = resolve;
+  });
+  let observed_cancel_reason = "";
+  let observer = {
+    QueryInterface: ChromeUtils.generateQI(["nsIObserver"]),
+    observe(aSubject, aTopic, aData) {
+      aSubject = aSubject.QueryInterface(Ci.nsIRequest);
+      if (
+        aTopic == "http-on-stop-request" &&
+        aSubject.name ==
+          "https://example.com/browser/netwerk/test/browser/square.png"
+      ) {
+        observed_cancel_reason = aSubject.canceledReason;
+        Services.obs.removeObserver(observer, "http-on-stop-request");
+        callback();
+      }
+    },
+  };
+  Services.obs.addObserver(observer, "http-on-stop-request");
+
+  // test that no crash or memory leak happens when cancelling before
+  await BrowserTestUtils.withNewTab(
+    {
+      gBrowser,
+      url: "https://example.com/browser/netwerk/test/browser/103_preload.html",
+      waitForLoad: true,
+    },
+    async function () {}
+  );
+  await promise;
+  Assert.equal(observed_cancel_reason, "parent-connect-timeout");
+
+  Services.prefs.clearUserPref("network.early-hints.parent-connect-timeout");
+});