1 files changed, 39 insertions, 0 deletions
diff --git a/browser/devtools/styleeditor/test/browser_styleeditor_fetch-from-cache.js b/browser/devtools/styleeditor/test/browser_styleeditor_fetch-from-cache.js
new file mode 100644
index 000000000..23754509a
--- /dev/null
+++ b/browser/devtools/styleeditor/test/browser_styleeditor_fetch-from-cache.js
@@ -0,0 +1,39 @@
+/* vim: set ts=2 et sw=2 tw=80: */
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+// A test to ensure Style Editor doesn't bybass cache when loading style sheet
+// contents (bug 978688).
+
+const TEST_URL = TEST_BASE_HTTP + "doc_uncached.html";
+
+add_task(function() {
+  waitForExplicitFinish();
+
+  info("Opening netmonitor");
+  let tab = yield addTab("about:blank");
+  let target = TargetFactory.forTab(tab);
+  let toolbox = yield gDevTools.showToolbox(target, "netmonitor");
+  let netmonitor = toolbox.getPanel("netmonitor");
+
+  info("Navigating to test page");
+  yield navigateTo(TEST_URL);
+
+  info("Opening Style Editor");
+  let styleeditor = yield toolbox.selectTool("styleeditor");
+
+  info("Waiting for an editor to be selected.");
+  yield styleeditor.UI.once("editor-selected");
+
+  info("Checking Netmonitor contents.");
+  let requestsForCss = 0;
+  for (let item of netmonitor._view.RequestsMenu) {
+    if (item.attachment.url.endsWith("doc_uncached.css")) {
+      requestsForCss++;
+    }
+  }
+
+  is(requestsForCss, 1,
+     "Got one request for doc_uncached.css after Style Editor was loaded.");
+});