1 files changed, 43 insertions, 0 deletions
diff --git a/toolkit/components/extensions/test/xpcshell/test_proxy_userContextId.js b/toolkit/components/extensions/test/xpcshell/test_proxy_userContextId.js
new file mode 100644
index 0000000000..5dea560e02
--- /dev/null
+++ b/toolkit/components/extensions/test/xpcshell/test_proxy_userContextId.js
@@ -0,0 +1,43 @@
+"use strict";
+
+const server = createHttpServer({ hosts: ["example.com"] });
+
+server.registerPathHandler("/dummy", (request, response) => {
+  response.setStatusLine(request.httpVersion, 200, "OK");
+  response.setHeader("Content-Type", "text/html", false);
+  response.write("<!DOCTYPE html><html></html>");
+});
+
+add_task(async function test_userContextId_proxy_onRequest() {
+  // This extension will succeed if it gets a request
+  let extension = ExtensionTestUtils.loadExtension({
+    manifest: {
+      permissions: ["proxy", "<all_urls>"],
+    },
+    background() {
+      browser.proxy.onRequest.addListener(
+        async details => {
+          if (details.url != "http://example.com/dummy") {
+            return;
+          }
+          browser.test.assertEq(
+            details.cookieStoreId,
+            "firefox-container-2",
+            "cookieStoreId is set"
+          );
+          browser.test.notifyPass("proxy.onRequest");
+        },
+        { urls: ["<all_urls>"] }
+      );
+    },
+  });
+  await extension.startup();
+
+  let contentPage = await ExtensionTestUtils.loadContentPage(
+    "http://example.com/dummy",
+    { userContextId: 2 }
+  );
+  await extension.awaitFinish("proxy.onRequest");
+  await extension.unload();
+  await contentPage.close();
+});