1 files changed, 57 insertions, 0 deletions
diff --git a/devtools/client/netmonitor/test/browser_net_response_node-expanded.js b/devtools/client/netmonitor/test/browser_net_response_node-expanded.js
new file mode 100644
index 0000000000..734b84d3bc
--- /dev/null
+++ b/devtools/client/netmonitor/test/browser_net_response_node-expanded.js
@@ -0,0 +1,57 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Tests if the node that was expanded is still expanded when we are filtering
+ * in the Response Panel.
+ */
+
+add_task(async function () {
+  const { tab, monitor } = await initNetMonitor(JSON_LONG_URL, {
+    requestCount: 1,
+  });
+  info("Starting test... ");
+
+  const { document, store, windowRequire } = monitor.panelWin;
+  const Actions = windowRequire("devtools/client/netmonitor/src/actions/index");
+
+  store.dispatch(Actions.batchEnable(false));
+
+  await performRequests(monitor, tab, 1);
+
+  info("selecting first request");
+  const firstRequestItem = document.querySelectorAll(".request-list-item")[0];
+  EventUtils.sendMouseEvent({ type: "mousedown" }, firstRequestItem);
+
+  info("switching to response panel");
+  const waitForRespPanel = waitForDOM(
+    document,
+    "#response-panel .properties-view"
+  );
+  const respPanelButton = document.querySelector("#response-tab");
+  respPanelButton.click();
+  await waitForRespPanel;
+
+  const firstRow = document.querySelector(
+    "#response-panel tr.treeRow.objectRow"
+  );
+  const waitOpenNode = waitForDOM(document, "tr#\\/0\\/greeting");
+  const toggleButton = firstRow.querySelector("td span.treeIcon");
+
+  toggleButton.click();
+  await waitOpenNode;
+
+  is(firstRow.classList.contains("opened"), true, "the node is open");
+
+  document.querySelector("#response-panel .devtools-filterinput").focus();
+  EventUtils.sendString("greeting");
+
+  // Wait till there are 2048 resources rendered in the results.
+  await waitForDOMIfNeeded(document, "#response-panel tr.treeRow", 2048);
+
+  is(firstRow.classList.contains("opened"), true, "the node remains open");
+
+  await teardown(monitor);
+});