Add m-esr52 at 52.6.0

1 files changed, 47 insertions, 0 deletions

diff --git a/devtools/client/inspector/markup/test/browser_markup_pagesize_02.js b/devtools/client/inspector/markup/test/browser_markup_pagesize_02.js
new file mode 100644
index 000000000..549a36b0d
--- /dev/null
+++ b/devtools/client/inspector/markup/test/browser_markup_pagesize_02.js
@@ -0,0 +1,47 @@
+/* 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";
+
+// Tests that the markup view loads only as many nodes as specified
+// by the devtools.markup.pagesize preference and that pressing the "show all
+// nodes" actually shows the nodes
+
+const TEST_URL = URL_ROOT + "doc_markup_pagesize_02.html";
+
+// Make sure nodes are hidden when there are more than 5 in a row
+Services.prefs.setIntPref("devtools.markup.pagesize", 5);
+
+add_task(function* () {
+  let {inspector, testActor} = yield openInspectorForURL(TEST_URL);
+
+  info("Selecting the UL node");
+  yield clickContainer("ul", inspector);
+  info("Reloading the page with the UL node selected will expand its children");
+  yield reloadPage(inspector, testActor);
+  yield inspector.markup._waitForChildren();
+
+  info("Click on the 'show all nodes' button in the UL's list of children");
+  yield showAllNodes(inspector);
+
+  yield assertAllNodesAreVisible(inspector, testActor);
+});
+
+function* showAllNodes(inspector) {
+  let container = yield getContainerForSelector("ul", inspector);
+  let button = container.elt.querySelector("button");
+  ok(button, "All nodes button is here");
+  let win = button.ownerDocument.defaultView;
+
+  EventUtils.sendMouseEvent({type: "click"}, button, win);
+  yield inspector.markup._waitForChildren();
+}
+
+function* assertAllNodesAreVisible(inspector, testActor) {
+  let container = yield getContainerForSelector("ul", inspector);
+  ok(!container.elt.querySelector("button"),
+     "All nodes button isn't here anymore");
+  let numItems = yield testActor.getNumberOfElementMatches("ul > *");
+  is(container.children.childNodes.length, numItems);
+}