1 files changed, 105 insertions, 0 deletions
diff --git a/devtools/client/performance/test/browser_timeline-waterfall-generic.js b/devtools/client/performance/test/browser_timeline-waterfall-generic.js
new file mode 100644
index 000000000..bcb87d80c
--- /dev/null
+++ b/devtools/client/performance/test/browser_timeline-waterfall-generic.js
@@ -0,0 +1,105 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests if the waterfall is properly built after finishing a recording.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const { initPerformanceInNewTab, teardownToolboxAndRemoveTab } = require("devtools/client/performance/test/helpers/panel-utils");
+const { startRecording, stopRecording, waitForOverviewRenderedWithMarkers } = require("devtools/client/performance/test/helpers/actions");
+const { once } = require("devtools/client/performance/test/helpers/event-utils");
+
+add_task(function* () {
+  let { panel } = yield initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window
+  });
+
+  let { $, $$, EVENTS, WaterfallView } = panel.panelWin;
+
+  yield startRecording(panel);
+  ok(true, "Recording has started.");
+
+  // Ensure overview is rendering and some markers were received.
+  yield waitForOverviewRenderedWithMarkers(panel);
+
+  yield stopRecording(panel);
+  ok(true, "Recording has ended.");
+
+  // Test the header container.
+
+  ok($(".waterfall-header"),
+    "A header container should have been created.");
+
+  // Test the header sidebar (left).
+
+  ok($(".waterfall-header > .waterfall-sidebar"),
+    "A header sidebar node should have been created.");
+
+  // Test the header ticks (right).
+
+  ok($(".waterfall-header-ticks"),
+    "A header ticks node should have been created.");
+  ok($$(".waterfall-header-ticks > .waterfall-header-tick").length > 0,
+    "Some header tick labels should have been created inside the tick node.");
+
+  // Test the markers sidebar (left).
+
+  ok($$(".waterfall-tree-item > .waterfall-sidebar").length,
+    "Some marker sidebar nodes should have been created.");
+  ok($$(".waterfall-tree-item > .waterfall-sidebar > .waterfall-marker-bullet").length,
+    "Some marker color bullets should have been created inside the sidebar.");
+  ok($$(".waterfall-tree-item > .waterfall-sidebar > .waterfall-marker-name").length,
+    "Some marker name labels should have been created inside the sidebar.");
+
+  // Test the markers waterfall (right).
+
+  ok($$(".waterfall-tree-item > .waterfall-marker").length,
+    "Some marker waterfall nodes should have been created.");
+  ok($$(".waterfall-tree-item > .waterfall-marker .waterfall-marker-bar").length,
+    "Some marker color bars should have been created inside the waterfall.");
+
+  // Test the sidebar.
+
+  let detailsView = WaterfallView.details;
+  // Make sure the bounds are up to date.
+  WaterfallView._recalculateBounds();
+
+  let parentWidthBefore = $("#waterfall-view").getBoundingClientRect().width;
+  let sidebarWidthBefore = $(".waterfall-sidebar").getBoundingClientRect().width;
+  let detailsWidthBefore = $("#waterfall-details").getBoundingClientRect().width;
+
+  ok(detailsView.hidden,
+    "The details view in the waterfall view is hidden by default.");
+  is(detailsWidthBefore, 0,
+    "The details view width should be 0 when hidden.");
+  is(WaterfallView.waterfallWidth,
+     parentWidthBefore - sidebarWidthBefore
+                       - WaterfallView.WATERFALL_MARKER_SIDEBAR_SAFE_BOUNDS,
+     "The waterfall width is correct (1).");
+
+  let waterfallRerendered = once(WaterfallView, EVENTS.UI_WATERFALL_RENDERED);
+  $$(".waterfall-tree-item")[0].click();
+  yield waterfallRerendered;
+
+  let parentWidthAfter = $("#waterfall-view").getBoundingClientRect().width;
+  let sidebarWidthAfter = $(".waterfall-sidebar").getBoundingClientRect().width;
+  let detailsWidthAfter = $("#waterfall-details").getBoundingClientRect().width;
+
+  ok(!detailsView.hidden,
+    "The details view in the waterfall view is now visible.");
+  is(parentWidthBefore, parentWidthAfter,
+    "The parent view's width should not have changed.");
+  is(sidebarWidthBefore, sidebarWidthAfter,
+    "The sidebar view's width should not have changed.");
+  isnot(detailsWidthAfter, 0,
+    "The details view width should not be 0 when visible.");
+  is(WaterfallView.waterfallWidth,
+     parentWidthAfter - sidebarWidthAfter - detailsWidthAfter
+                      - WaterfallView.WATERFALL_MARKER_SIDEBAR_SAFE_BOUNDS,
+     "The waterfall width is correct (2).");
+
+  yield teardownToolboxAndRemoveTab(panel);
+});