1 files changed, 72 insertions, 0 deletions
diff --git a/devtools/client/netmonitor/test/browser_net_pane-collapse.js b/devtools/client/netmonitor/test/browser_net_pane-collapse.js
new file mode 100644
index 000000000..2760ec000
--- /dev/null
+++ b/devtools/client/netmonitor/test/browser_net_pane-collapse.js
@@ -0,0 +1,72 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+
+"use strict";
+
+/**
+ * Tests if the network monitor panes collapse properly.
+ */
+
+add_task(function* () {
+  let { monitor } = yield initNetMonitor(SIMPLE_URL);
+  info("Starting test... ");
+
+  let { document, Prefs, NetMonitorView } = monitor.panelWin;
+  let detailsPane = document.getElementById("details-pane");
+  let detailsPaneToggleButton = document.getElementById("details-pane-toggle");
+
+  ok(detailsPane.classList.contains("pane-collapsed") &&
+     detailsPaneToggleButton.classList.contains("pane-collapsed"),
+    "The details pane should initially be hidden.");
+
+  NetMonitorView.toggleDetailsPane({ visible: true, animated: false });
+
+  let width = ~~(detailsPane.getAttribute("width"));
+  is(width, Prefs.networkDetailsWidth,
+    "The details pane has an incorrect width.");
+  is(detailsPane.style.marginLeft, "0px",
+    "The details pane has an incorrect left margin.");
+  is(detailsPane.style.marginRight, "0px",
+    "The details pane has an incorrect right margin.");
+  ok(!detailsPane.hasAttribute("animated"),
+    "The details pane has an incorrect animated attribute.");
+  ok(!detailsPane.classList.contains("pane-collapsed") &&
+     !detailsPaneToggleButton.classList.contains("pane-collapsed"),
+    "The details pane should at this point be visible.");
+
+  // Trigger reflow to make sure the UI is in required state.
+  document.documentElement.getBoundingClientRect();
+
+  NetMonitorView.toggleDetailsPane({ visible: false, animated: true });
+
+  yield once(detailsPane, "transitionend");
+
+  let margin = -(width + 1) + "px";
+  is(width, Prefs.networkDetailsWidth,
+    "The details pane has an incorrect width after collapsing.");
+  is(detailsPane.style.marginLeft, margin,
+    "The details pane has an incorrect left margin after collapsing.");
+  is(detailsPane.style.marginRight, margin,
+    "The details pane has an incorrect right margin after collapsing.");
+  ok(!detailsPane.hasAttribute("animated"),
+    "The details pane has an incorrect attribute after an animated collapsing.");
+  ok(detailsPane.classList.contains("pane-collapsed") &&
+     detailsPaneToggleButton.classList.contains("pane-collapsed"),
+    "The details pane should not be visible after collapsing.");
+
+  NetMonitorView.toggleDetailsPane({ visible: true, animated: false });
+
+  is(width, Prefs.networkDetailsWidth,
+    "The details pane has an incorrect width after uncollapsing.");
+  is(detailsPane.style.marginLeft, "0px",
+    "The details pane has an incorrect left margin after uncollapsing.");
+  is(detailsPane.style.marginRight, "0px",
+    "The details pane has an incorrect right margin after uncollapsing.");
+  ok(!detailsPane.hasAttribute("animated"),
+    "The details pane has an incorrect attribute after an unanimated uncollapsing.");
+  ok(!detailsPane.classList.contains("pane-collapsed") &&
+     !detailsPaneToggleButton.classList.contains("pane-collapsed"),
+    "The details pane should be visible again after uncollapsing.");
+
+  yield teardown(monitor);
+});