1 files changed, 66 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser/browser_jsterm_autocomplete_return_key_no_selection.js b/devtools/client/webconsole/test/browser/browser_jsterm_autocomplete_return_key_no_selection.js
new file mode 100644
index 0000000000..5bebf850dc
--- /dev/null
+++ b/devtools/client/webconsole/test/browser/browser_jsterm_autocomplete_return_key_no_selection.js
@@ -0,0 +1,66 @@
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+// See Bug 873250.
+
+const TEST_URI = `data:text/html;charset=utf-8,<!DOCTYPE html>
+<head>
+  <script>
+    window.testBugA = "hello world";
+    window.testBugB = "hello world 2";
+  </script>
+</head>
+<body>bug 873250 - test pressing return with open popup, but no selection</body>`;
+
+const {
+  getHistoryEntries,
+} = require("resource://devtools/client/webconsole/selectors/history.js");
+
+add_task(async function () {
+  const hud = await openNewTabAndConsole(TEST_URI);
+  const { jsterm, ui } = hud;
+
+  const { autocompletePopup: popup } = jsterm;
+
+  const onPopUpOpen = popup.once("popup-opened");
+
+  info("wait for popup to show");
+  setInputValue(hud, "window.testBu");
+  EventUtils.sendString("g");
+
+  await onPopUpOpen;
+
+  ok(popup.isOpen, "popup is open");
+  is(popup.itemCount, 2, "popup.itemCount is correct");
+  isnot(popup.selectedIndex, -1, "popup.selectedIndex is correct");
+
+  info("press Return and wait for popup to hide");
+  const onPopUpClose = popup.once("popup-closed");
+  EventUtils.synthesizeKey("KEY_Enter");
+  await onPopUpClose;
+
+  ok(!popup.isOpen, "popup is not open after KEY_Enter");
+  is(
+    getInputValue(hud),
+    "window.testBugA",
+    "input was completed with the first item of the popup"
+  );
+  ok(!getInputCompletionValue(hud), "completeNode is empty");
+
+  const onMessage = waitForMessageByType(hud, "hello world", ".result");
+  EventUtils.synthesizeKey("KEY_Enter");
+  is(getInputValue(hud), "", "input is empty after KEY_Enter");
+
+  const state = ui.wrapper.getStore().getState();
+  const entries = getHistoryEntries(state);
+  is(
+    entries[entries.length - 1],
+    "window.testBugA",
+    "jsterm history is correct"
+  );
+
+  info("Wait for the execution value to appear");
+  await onMessage;
+});