1 files changed, 33 insertions, 0 deletions
diff --git a/devtools/client/webconsole/test/browser_webconsole_reflow.js b/devtools/client/webconsole/test/browser_webconsole_reflow.js
new file mode 100644
index 000000000..86caa10e0
--- /dev/null
+++ b/devtools/client/webconsole/test/browser_webconsole_reflow.js
@@ -0,0 +1,33 @@
+/* -*- 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 = "data:text/html;charset=utf-8,Web Console test for " +
+                 "reflow activity";
+
+add_task(function* () {
+  let { browser } = yield loadTab(TEST_URI);
+
+  let hud = yield openConsole();
+
+  function onReflowListenersReady() {
+    browser.contentDocument.body.style.display = "none";
+    browser.contentDocument.body.clientTop;
+  }
+
+  Services.prefs.setBoolPref("devtools.webconsole.filter.csslog", true);
+  hud.ui._updateReflowActivityListener(onReflowListenersReady);
+  Services.prefs.clearUserPref("devtools.webconsole.filter.csslog");
+
+  yield waitForMessages({
+    webconsole: hud,
+    messages: [{
+      text: /reflow: /,
+      category: CATEGORY_CSS,
+      severity: SEVERITY_LOG,
+    }],
+  });
+});