1 files changed, 70 insertions, 0 deletions
diff --git a/browser/components/contextualidentity/test/browser/browser_aboutURLs.js b/browser/components/contextualidentity/test/browser/browser_aboutURLs.js
new file mode 100644
index 0000000000..b2e43bfe65
--- /dev/null
+++ b/browser/components/contextualidentity/test/browser/browser_aboutURLs.js
@@ -0,0 +1,70 @@
+"use strict";
+
+// For some about: URLs, they will take more time to load and cause timeout.
+// See Bug 1270998.
+requestLongerTimeout(2);
+
+add_task(async function () {
+  let aboutURLs = [];
+
+  // List of about: URLs that may cause problem, so we skip them in this test.
+  let skipURLs = [
+    // about:addons triggers an assertion in NS_CompareLoadInfoAndLoadContext:
+    // "The value of mUserContextId in the loadContext and in the loadInfo are not the same"
+    // This is due to a fetch request that has the default user context. Since
+    // the fetch request omits credentials, the user context doesn't matter.
+    "addons",
+    // about:credits and about:logins will initiate network request.
+    "credits",
+    "logins",
+    // about:telemetry will fetch Telemetry asynchronously and takes longer,
+    // so we skip this for now.
+    "telemetry",
+    // about:downloads causes a shutdown leak with stylo-chrome. bug 1419943.
+    "downloads",
+    // about:debugging requires specific wait code for internal pending RDP requests.
+    "debugging",
+    "debugging-new",
+    // about:protections uses RPM to send a message as soon as the page loads,
+    // the page is destoryed before getting a response.
+    "protections",
+  ];
+
+  for (let cid in Cc) {
+    let result = cid.match(
+      /@mozilla.org\/network\/protocol\/about;1\?what\=(.*)$/
+    );
+    if (!result) {
+      continue;
+    }
+
+    let aboutType = result[1];
+    let contract = "@mozilla.org/network/protocol/about;1?what=" + aboutType;
+    try {
+      let am = Cc[contract].getService(Ci.nsIAboutModule);
+      let uri = Services.io.newURI("about:" + aboutType);
+      let flags = am.getURIFlags(uri);
+      if (
+        !(flags & Ci.nsIAboutModule.HIDE_FROM_ABOUTABOUT) &&
+        !skipURLs.includes(aboutType)
+      ) {
+        aboutURLs.push(aboutType);
+      }
+    } catch (e) {
+      // getService might have thrown if the component doesn't actually
+      // implement nsIAboutModule
+    }
+  }
+
+  for (let url of aboutURLs) {
+    info("Loading about:" + url);
+    let tab = BrowserTestUtils.addTab(gBrowser, "about:" + url, {
+      userContextId: 1,
+    });
+    await BrowserTestUtils.browserLoaded(tab.linkedBrowser);
+
+    ok(true, "Done loading about:" + url);
+
+    BrowserTestUtils.removeTab(tab);
+  }
+});