1 files changed, 44 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser_webconsole_bug_588967_input_expansion.js b/devtools/client/webconsole/test/browser_webconsole_bug_588967_input_expansion.js
new file mode 100644
index 000000000..c590495c4
--- /dev/null
+++ b/devtools/client/webconsole/test/browser_webconsole_bug_588967_input_expansion.js
@@ -0,0 +1,44 @@
+/* -*- indent-tabs-mode: nil; js-indent-level: 2 -*- */
+/* vim: set ft=javascript ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+ * http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+const TEST_URI = "http://example.com/browser/devtools/client/webconsole/" +
+                 "test/test-console.html";
+
+add_task(function* () {
+  yield loadTab(TEST_URI);
+
+  let hud = yield openConsole();
+
+  testInputExpansion(hud);
+});
+
+function testInputExpansion(hud) {
+  let input = hud.jsterm.inputNode;
+
+  input.focus();
+
+  is(input.getAttribute("multiline"), "true", "multiline is enabled");
+
+  let ordinaryHeight = input.clientHeight;
+
+  // Tests if the inputNode expands.
+  input.value = "hello\nworld\n";
+  let length = input.value.length;
+  input.selectionEnd = length;
+  input.selectionStart = length;
+  // Performs an "d". This will trigger/test for the input event that should
+  // change the height of the inputNode.
+  EventUtils.synthesizeKey("d", {});
+  ok(input.clientHeight > ordinaryHeight, "the input expanded");
+
+  // Test if the inputNode shrinks again.
+  input.value = "";
+  EventUtils.synthesizeKey("d", {});
+  is(input.clientHeight, ordinaryHeight, "the input's height is normal again");
+
+  input = length = null;
+}