1 files changed, 136 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser/browser_jsterm_autocomplete_nav_and_tab_key.js b/devtools/client/webconsole/test/browser/browser_jsterm_autocomplete_nav_and_tab_key.js
new file mode 100644
index 0000000000..79e28cb48d
--- /dev/null
+++ b/devtools/client/webconsole/test/browser/browser_jsterm_autocomplete_nav_and_tab_key.js
@@ -0,0 +1,136 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// See Bug 585991.
+
+const TEST_URI = `data:text/html;charset=utf-8,<!DOCTYPE html>
+<head>
+  <script>
+    /* Create a prototype-less object so popup does not contain native
+     * Object prototype properties.
+     */
+    window.foo = Object.create(null, Object.getOwnPropertyDescriptors({
+      item00: "value0",
+      item1: "value1",
+      item2: "value2",
+      item3: "value3",
+    }));
+  </script>
+</head>
+<body>bug 585991 - autocomplete popup navigation and tab key usage test</body>`;
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+  const { jsterm } = hud;
+  info("web console opened");
+
+  const { autocompletePopup: popup } = jsterm;
+
+  ok(!popup.isOpen, "popup is not open");
+
+  const onPopUpOpen = popup.once("popup-opened");
+  setInputValue(hud, "window.foo");
+
+  // Shows the popup
+  EventUtils.sendString(".");
+  await onPopUpOpen;
+
+  ok(popup.isOpen, "popup is open");
+
+  const expectedPopupItems = ["item00", "item1", "item2", "item3"];
+  ok(
+    hasExactPopupLabels(popup, expectedPopupItems),
+    "getItems returns the items we expect"
+  );
+  is(popup.selectedIndex, 0, "Index of the first item is selected.");
+
+  EventUtils.synthesizeKey("KEY_ArrowUp");
+
+  is(popup.selectedIndex, 3, "index 3 is selected");
+  is(popup.selectedItem.label, "item3", "item3 is selected");
+  checkInputCompletionValue(hud, "item3", "completeNode.value holds item3");
+
+  EventUtils.synthesizeKey("KEY_ArrowUp");
+
+  is(popup.selectedIndex, 2, "index 2 is selected");
+  is(popup.selectedItem.label, "item2", "item2 is selected");
+  checkInputCompletionValue(hud, "item2", "completeNode.value holds item2");
+
+  EventUtils.synthesizeKey("KEY_ArrowDown");
+
+  is(popup.selectedIndex, 3, "index 3 is selected");
+  is(popup.selectedItem.label, "item3", "item3 is selected");
+  checkInputCompletionValue(hud, "item3", "completeNode.value holds item3");
+
+  let currentSelectionIndex = popup.selectedIndex;
+
+  EventUtils.synthesizeKey("KEY_PageUp");
+  Assert.less(
+    popup.selectedIndex,
+    currentSelectionIndex,
+    "Index is less after Page UP"
+  );
+
+  currentSelectionIndex = popup.selectedIndex;
+  EventUtils.synthesizeKey("KEY_PageDown");
+  Assert.greater(
+    popup.selectedIndex,
+    currentSelectionIndex,
+    "Index is greater after PGDN"
+  );
+
+  EventUtils.synthesizeKey("KEY_Home");
+  is(popup.selectedIndex, 0, "index is first after Home");
+
+  EventUtils.synthesizeKey("KEY_End");
+  is(
+    popup.selectedIndex,
+    expectedPopupItems.length - 1,
+    "index is last after End"
+  );
+
+  info("press Tab and wait for popup to hide");
+  const onPopupClose = popup.once("popup-closed");
+  EventUtils.synthesizeKey("KEY_Tab");
+
+  await onPopupClose;
+
+  // At this point the completion suggestion should be accepted.
+  ok(!popup.isOpen, "popup is not open");
+  is(
+    getInputValue(hud),
+    "window.foo.item3",
+    "completion was successful after KEY_Tab"
+  );
+  ok(!getInputCompletionValue(hud), "completeNode is empty");
+
+  info(
+    "Check that hitting Home hides the completion text when the popup is hidden"
+  );
+  await setInputValueForAutocompletion(hud, "window.foo.item0");
+  checkInputCompletionValue(hud, "0", "completeNode has expected value");
+  if (Services.appinfo.OS == "Darwin") {
+    EventUtils.synthesizeKey("a", { ctrlKey: true });
+  } else {
+    EventUtils.synthesizeKey("KEY_Home");
+  }
+  checkInputCompletionValue(
+    hud,
+    "",
+    "completeNode was cleared after hitting Home"
+  );
+
+  info(
+    "Check that hitting End hides the completion text when the popup is hidden"
+  );
+  await setInputValueForAutocompletion(hud, "window.foo.item0");
+  checkInputCompletionValue(hud, "0", "completeNode has expected value");
+  EventUtils.synthesizeKey("KEY_End");
+  checkInputCompletionValue(
+    hud,
+    "",
+    "completeNode was cleared after hitting End"
+  );
+});