1 files changed, 96 insertions, 0 deletions
diff --git a/devtools/client/inspector/boxmodel/test/browser_boxmodel_update-after-navigation.js b/devtools/client/inspector/boxmodel/test/browser_boxmodel_update-after-navigation.js
new file mode 100644
index 0000000000..4cd83590b0
--- /dev/null
+++ b/devtools/client/inspector/boxmodel/test/browser_boxmodel_update-after-navigation.js
@@ -0,0 +1,96 @@
+/* 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 a page navigation and that
+// it also works after going back
+
+const IFRAME1 = URL_ROOT_SSL + "doc_boxmodel_iframe1.html";
+const IFRAME2 = URL_ROOT_SSL + "doc_boxmodel_iframe2.html";
+
+add_task(async function () {
+  const tab = await addTab(IFRAME1);
+  const browser = tab.linkedBrowser;
+  const { inspector, boxmodel } = await openLayoutView();
+
+  await testFirstPage(inspector, boxmodel, browser);
+
+  info("Navigate to the second page");
+  let onMarkupLoaded = waitForMarkupLoaded(inspector);
+  await navigateTo(IFRAME2);
+  await onMarkupLoaded;
+
+  await testSecondPage(inspector, boxmodel, browser);
+
+  info("Go back to the first page");
+  onMarkupLoaded = waitForMarkupLoaded(inspector);
+  gBrowser.goBack();
+  await onMarkupLoaded;
+
+  await testBackToFirstPage(inspector, boxmodel, browser);
+});
+
+async function testFirstPage(inspector, boxmodel, browser) {
+  info("Test that the box model view works on the first page");
+
+  await selectNode("p", inspector);
+
+  info("Checking that the box model view shows the right value");
+  const paddingElt = boxmodel.document.querySelector(
+    ".boxmodel-padding.boxmodel-top > span"
+  );
+  is(paddingElt.textContent, "50");
+
+  info("Listening for box model view changes and modifying the padding");
+  const onUpdated = waitForUpdate(inspector);
+  await setStyle(browser, "p", "padding", "20px");
+  await 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");
+}
+
+async function testSecondPage(inspector, boxmodel, browser) {
+  info("Test that the box model view works on the second page");
+
+  await selectNode("p", inspector);
+
+  info("Checking that the box model view shows the right value");
+  const sizeElt = boxmodel.document.querySelector(".boxmodel-size > span");
+  is(sizeElt.textContent, "100" + "\u00D7" + "100");
+
+  info("Listening for box model view changes and modifying the size");
+  const onUpdated = waitForUpdate(inspector);
+  await setStyle(browser, "p", "width", "200px");
+  await onUpdated;
+  ok(true, "Box model view got updated");
+
+  info("Checking that the box model view shows the right value after update");
+  is(sizeElt.textContent, "200" + "\u00D7" + "100");
+}
+
+async function testBackToFirstPage(inspector, boxmodel, browser) {
+  info("Test that the box model view works on the first page after going back");
+
+  await selectNode("p", inspector);
+
+  info(
+    "Checking that the box model view shows the right value, which is the" +
+      "modified value from step one because of the bfcache"
+  );
+  const paddingElt = boxmodel.document.querySelector(
+    ".boxmodel-padding.boxmodel-top > span"
+  );
+  is(paddingElt.textContent, "20");
+
+  info("Listening for box model view changes and modifying the padding");
+  const onUpdated = waitForUpdate(inspector);
+  await setStyle(browser, "p", "padding", "100px");
+  await onUpdated;
+  ok(true, "Box model view got updated");
+
+  info("Checking that the box model view shows the right value after update");
+  is(paddingElt.textContent, "100");
+}