1 files changed, 61 insertions, 0 deletions
diff --git a/uriloader/exthandler/tests/mochitest/browser_local_files_no_save_without_asking.js b/uriloader/exthandler/tests/mochitest/browser_local_files_no_save_without_asking.js
new file mode 100644
index 0000000000..cfa4788a43
--- /dev/null
+++ b/uriloader/exthandler/tests/mochitest/browser_local_files_no_save_without_asking.js
@@ -0,0 +1,61 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Check that loading a local PDF file
+ * prompts the user when pdfjs.disabled is set to true,
+ * and alwaysAsk is false;
+ */
+add_task(
+  async function test_check_browser_local_files_no_save_without_asking() {
+    // Get a ref to the pdf we want to open.
+    let file = getChromeDir(getResolvedURI(gTestPath));
+    file.append("file_pdf_binary_octet_stream.pdf");
+
+    await SpecialPowers.pushPrefEnv({ set: [["pdfjs.disabled", true]] });
+
+    const mimeSvc = Cc["@mozilla.org/mime;1"].getService(Ci.nsIMIMEService);
+    const handlerSvc = Cc[
+      "@mozilla.org/uriloader/handler-service;1"
+    ].getService(Ci.nsIHandlerService);
+    const mimeInfo = mimeSvc.getFromTypeAndExtension("application/pdf", "pdf");
+    // This test covers a bug that only occurs when the mimeInfo is set to Always Ask = false
+    // Here we check if we ask the user what to do for local files, if the file is set to save to disk automatically;
+    // that is, we check that we prompt the user despite the user's preference.
+    mimeInfo.preferredAction = mimeInfo.saveToDisk;
+    mimeInfo.alwaysAskBeforeHandling = false;
+    handlerSvc.store(mimeInfo);
+
+    info("Testing with " + file.path);
+    let publicList = await Downloads.getList(Downloads.PUBLIC);
+    registerCleanupFunction(async () => {
+      await publicList.removeFinished();
+    });
+
+    let publicDownloads = await publicList.getAll();
+    is(
+      publicDownloads.length,
+      0,
+      "download should not appear in publicDownloads list"
+    );
+
+    let dialogWindowPromise = BrowserTestUtils.domWindowOpenedAndLoaded();
+    var loadingTab = BrowserTestUtils.addTab(gBrowser, file.path);
+
+    let dialogWindow = await dialogWindowPromise;
+
+    is(
+      dialogWindow.location.href,
+      "chrome://mozapps/content/downloads/unknownContentType.xhtml",
+      "Should have seen the unknown content dialogWindow."
+    );
+
+    let doc = dialogWindow.document;
+
+    let dialog = doc.querySelector("#unknownContentType");
+    dialog.cancelDialog();
+    BrowserTestUtils.removeTab(loadingTab);
+  }
+);