1 files changed, 61 insertions, 0 deletions
diff --git a/uriloader/exthandler/tests/mochitest/browser_remember_download_option.js b/uriloader/exthandler/tests/mochitest/browser_remember_download_option.js
new file mode 100644
index 0000000000..f3fedab69c
--- /dev/null
+++ b/uriloader/exthandler/tests/mochitest/browser_remember_download_option.js
@@ -0,0 +1,61 @@
+add_task(async function () {
+  // create mocked objects
+  let launcher = createMockedObjects(true);
+
+  // open helper app dialog with mocked launcher
+  let dlg = await openHelperAppDialog(launcher);
+
+  let doc = dlg.document;
+  let dialogElement = doc.getElementById("unknownContentType");
+
+  // Set remember choice
+  ok(
+    !doc.getElementById("rememberChoice").checked,
+    "Remember choice checkbox should be not checked."
+  );
+  doc.getElementById("rememberChoice").checked = true;
+
+  // Make sure the mock handler information is not in nsIHandlerService
+  ok(
+    !gHandlerSvc.exists(launcher.MIMEInfo),
+    "Should not be in nsIHandlerService."
+  );
+
+  // close the dialog by pushing the ok button.
+  let dialogClosedPromise = BrowserTestUtils.windowClosed(dlg);
+  // Make sure the ok button is enabled, since the ok button might be disabled by
+  // EnableDelayHelper mechanism. Please refer the detailed
+  // https://searchfox.org/mozilla-central/source/toolkit/components/prompts/src/PromptUtils.sys.mjs#51
+  dialogElement.getButton("accept").disabled = false;
+  dialogElement.acceptDialog();
+  await dialogClosedPromise;
+
+  // check the mocked handler information is saved in nsIHandlerService
+  ok(gHandlerSvc.exists(launcher.MIMEInfo), "Should be in nsIHandlerService.");
+  // check the extension.
+  var mimeType = gHandlerSvc.getTypeFromExtension("abc");
+  is(mimeType, launcher.MIMEInfo.type, "Got correct mime type.");
+  for (let handlerInfo of gHandlerSvc.enumerate()) {
+    if (handlerInfo.type == launcher.MIMEInfo.type) {
+      // check the alwaysAskBeforeHandling
+      ok(
+        !handlerInfo.alwaysAskBeforeHandling,
+        "Should turn off the always ask."
+      );
+      // check the preferredApplicationHandler
+      ok(
+        handlerInfo.preferredApplicationHandler.equals(
+          launcher.MIMEInfo.preferredApplicationHandler
+        ),
+        "Should be equal to the mockedHandlerApp."
+      );
+      // check the perferredAction
+      is(
+        handlerInfo.preferredAction,
+        launcher.MIMEInfo.preferredAction,
+        "Should be equal to Ci.nsIHandlerInfo.useHelperApp."
+      );
+      break;
+    }
+  }
+});