1 files changed, 40 insertions, 0 deletions
diff --git a/devtools/client/inspector/components/test/browser_boxmodel_update-after-reload.js b/devtools/client/inspector/components/test/browser_boxmodel_update-after-reload.js
new file mode 100644
index 000000000..7fc09bfa3
--- /dev/null
+++ b/devtools/client/inspector/components/test/browser_boxmodel_update-after-reload.js
@@ -0,0 +1,40 @@
+/* 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";
+
+// Test that the box model view continues to work after the page is reloaded
+
+add_task(function* () {
+  yield addTab(URL_ROOT + "doc_boxmodel_iframe1.html");
+  let {inspector, view, testActor} = yield openBoxModelView();
+
+  info("Test that the box model view works on the first page");
+  yield assertBoxModelView(inspector, view, testActor);
+
+  info("Reload the page");
+  yield testActor.reload();
+  yield inspector.once("markuploaded");
+
+  info("Test that the box model view works on the reloaded page");
+  yield assertBoxModelView(inspector, view, testActor);
+});
+
+function* assertBoxModelView(inspector, view, testActor) {
+  info("Selecting the test node");
+  yield selectNode("p", inspector);
+
+  info("Checking that the box model view shows the right value");
+  let paddingElt = view.doc.querySelector(".boxmodel-padding.boxmodel-top > span");
+  is(paddingElt.textContent, "50");
+
+  info("Listening for box model view changes and modifying the padding");
+  let onUpdated = waitForUpdate(inspector);
+  yield setStyle(testActor, "p", "padding", "20px");
+  yield onUpdated;
+  ok(true, "Box model view got updated");
+
+  info("Checking that the box model view shows the right value after update");
+  is(paddingElt.textContent, "20");
+}