1 files changed, 49 insertions, 0 deletions
diff --git a/browser/components/preferences/tests/browser_pdf_disabled.js b/browser/components/preferences/tests/browser_pdf_disabled.js
new file mode 100644
index 0000000000..5b814b39e9
--- /dev/null
+++ b/browser/components/preferences/tests/browser_pdf_disabled.js
@@ -0,0 +1,49 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+// This test checks that pdf always appears in the applications list even
+// both a customized handler doesn't exist and when the internal viewer is
+// not enabled.
+add_task(async function pdfIsAlwaysPresent() {
+  // Try again with the pdf viewer enabled and disabled.
+  for (let test of ["enabled", "disabled"]) {
+    await SpecialPowers.pushPrefEnv({
+      set: [["pdfjs.disabled", test == "disabled"]],
+    });
+
+    await openPreferencesViaOpenPreferencesAPI("general", { leaveOpen: true });
+
+    let win = gBrowser.selectedBrowser.contentWindow;
+
+    let container = win.document.getElementById("handlersView");
+
+    // First, find the PDF item.
+    let pdfItem = container.querySelector(
+      "richlistitem[type='application/pdf']"
+    );
+    Assert.ok(pdfItem, "pdfItem is present in handlersView when " + test);
+    if (pdfItem) {
+      pdfItem.scrollIntoView({ block: "center" });
+      pdfItem.closest("richlistbox").selectItem(pdfItem);
+
+      // Open its menu
+      let list = pdfItem.querySelector(".actionsMenu");
+      let popup = list.menupopup;
+      let popupShown = BrowserTestUtils.waitForEvent(popup, "popupshown");
+      EventUtils.synthesizeMouseAtCenter(list, {}, win);
+      await popupShown;
+
+      let handleInternallyItem = list.querySelector(
+        `menuitem[action='${Ci.nsIHandlerInfo.handleInternally}']`
+      );
+
+      is(
+        test == "enabled",
+        !!handleInternallyItem,
+        "handle internally is present when " + test
+      );
+    }
+
+    gBrowser.removeCurrentTab();
+  }
+});