diff -r 000000000000 -r 6474c204b198 browser/devtools/debugger/test/browser_dbg_search-popup-jank.js
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/browser/devtools/debugger/test/browser_dbg_search-popup-jank.js	Wed Dec 31 06:09:35 2014 +0100
@@ -0,0 +1,118 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+/**
+ * Tests that sources aren't selected by default when finding a match.
+ */
+
+const TAB_URL = EXAMPLE_URL + "doc_editor-mode.html";
+
+let gTab, gDebuggee, gPanel, gDebugger;
+let gSearchBox;
+
+function test() {
+  initDebugger(TAB_URL).then(([aTab, aDebuggee, aPanel]) => {
+    gTab = aTab;
+    gDebuggee = aDebuggee;
+    gPanel = aPanel;
+    gDebugger = gPanel.panelWin;
+    gSearchBox = gDebugger.DebuggerView.Filtering._searchbox;
+
+    gDebugger.DebuggerView.FilteredSources._autoSelectFirstItem = false;
+    gDebugger.DebuggerView.FilteredFunctions._autoSelectFirstItem = false;
+
+    waitForSourceShown(gPanel, "-01.js")
+      .then(superGenericFileSearch)
+      .then(() => ensureSourceIs(aPanel, "-01.js"))
+      .then(() => ensureCaretAt(aPanel, 1))
+
+      .then(superAccurateFileSearch)
+      .then(() => ensureSourceIs(aPanel, "-01.js"))
+      .then(() => ensureCaretAt(aPanel, 1))
+      .then(() => pressKeyToHide("RETURN"))
+      .then(() => ensureSourceIs(aPanel, "code_test-editor-mode", true))
+      .then(() => ensureCaretAt(aPanel, 1))
+
+      .then(superGenericFileSearch)
+      .then(() => ensureSourceIs(aPanel, "code_test-editor-mode"))
+      .then(() => ensureCaretAt(aPanel, 1))
+      .then(() => pressKey("UP"))
+      .then(() => ensureSourceIs(aPanel, "doc_editor-mode", true))
+      .then(() => ensureCaretAt(aPanel, 1))
+      .then(() => pressKeyToHide("RETURN"))
+      .then(() => ensureSourceIs(aPanel, "doc_editor-mode"))
+      .then(() => ensureCaretAt(aPanel, 1))
+
+      .then(superAccurateFileSearch)
+      .then(() => ensureSourceIs(aPanel, "doc_editor-mode"))
+      .then(() => ensureCaretAt(aPanel, 1))
+      .then(() => typeText(gSearchBox, ":"))
+      .then(() => ensureSourceIs(aPanel, "code_test-editor-mode", true))
+      .then(() => ensureCaretAt(aPanel, 1))
+      .then(() => typeText(gSearchBox, "5"))
+      .then(() => ensureSourceIs(aPanel, "code_test-editor-mode"))
+      .then(() => ensureCaretAt(aPanel, 5))
+      .then(() => pressKey("DOWN"))
+      .then(() => ensureSourceIs(aPanel, "code_test-editor-mode"))
+      .then(() => ensureCaretAt(aPanel, 6))
+
+      .then(superGenericFunctionSearch)
+      .then(() => ensureSourceIs(aPanel, "code_test-editor-mode"))
+      .then(() => ensureCaretAt(aPanel, 6))
+      .then(() => pressKey("RETURN"))
+      .then(() => ensureSourceIs(aPanel, "code_test-editor-mode"))
+      .then(() => ensureCaretAt(aPanel, 4, 10))
+
+      .then(() => closeDebuggerAndFinish(gPanel))
+      .then(null, aError => {
+        ok(false, "Got an error: " + aError.message + "\n" + aError.stack);
+      });
+  });
+}
+
+function waitForMatchFoundAndResultsShown(aName) {
+  return promise.all([
+    once(gDebugger, "popupshown"),
+    waitForDebuggerEvents(gPanel, gDebugger.EVENTS[aName])
+  ]);
+}
+
+function waitForResultsHidden() {
+  return once(gDebugger, "popuphidden");
+}
+
+function superGenericFunctionSearch() {
+  let finished = waitForMatchFoundAndResultsShown("FUNCTION_SEARCH_MATCH_FOUND");
+  setText(gSearchBox, "@");
+  return finished;
+}
+
+function superGenericFileSearch() {
+  let finished = waitForMatchFoundAndResultsShown("FILE_SEARCH_MATCH_FOUND");
+  setText(gSearchBox, ".");
+  return finished;
+}
+
+function superAccurateFileSearch() {
+  let finished = waitForMatchFoundAndResultsShown("FILE_SEARCH_MATCH_FOUND");
+  setText(gSearchBox, "editor");
+  return finished;
+}
+
+function pressKey(aKey) {
+  EventUtils.sendKey(aKey, gDebugger);
+}
+
+function pressKeyToHide(aKey) {
+  let finished = waitForResultsHidden();
+  EventUtils.sendKey(aKey, gDebugger);
+  return finished;
+}
+
+registerCleanupFunction(function() {
+  gTab = null;
+  gDebuggee = null;
+  gPanel = null;
+  gDebugger = null;
+  gSearchBox = null;
+});