1 files changed, 79 insertions, 0 deletions
diff --git a/devtools/client/performance/test/browser_perf-details-06-rerender-on-selection.js b/devtools/client/performance/test/browser_perf-details-06-rerender-on-selection.js
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+++ b/devtools/client/performance/test/browser_perf-details-06-rerender-on-selection.js
@@ -0,0 +1,79 @@
+/* Any copyright is dedicated to the Public Domain.
+   http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that when flame chart views scroll to change selection,
+ * other detail views are rerendered.
+ */
+
+const { SIMPLE_URL } = require("devtools/client/performance/test/helpers/urls");
+const { initPerformanceInNewTab, teardownToolboxAndRemoveTab } = require("devtools/client/performance/test/helpers/panel-utils");
+const { startRecording, stopRecording } = require("devtools/client/performance/test/helpers/actions");
+const { once } = require("devtools/client/performance/test/helpers/event-utils");
+const { scrollCanvasGraph, HORIZONTAL_AXIS } = require("devtools/client/performance/test/helpers/input-utils");
+
+add_task(function* () {
+  let { panel } = yield initPerformanceInNewTab({
+    url: SIMPLE_URL,
+    win: window
+  });
+
+  let {
+    EVENTS,
+    OverviewView,
+    DetailsView,
+    WaterfallView,
+    JsCallTreeView,
+    JsFlameGraphView
+  } = panel.panelWin;
+
+  yield startRecording(panel);
+  yield stopRecording(panel);
+
+  let waterfallRendered = once(WaterfallView, EVENTS.UI_WATERFALL_RENDERED);
+  OverviewView.setTimeInterval({ startTime: 10, endTime: 20 });
+  yield waterfallRendered;
+
+  // Select the call tree to make sure it's initialized and ready to receive
+  // redrawing requests once reselected.
+  let callTreeRendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+  yield DetailsView.selectView("js-calltree");
+  yield callTreeRendered;
+
+  // Switch to the flamegraph and perform a scroll over the visualization.
+  // The waterfall and call tree should get rerendered when reselected.
+  let flamegraphRendered = once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED);
+  yield DetailsView.selectView("js-flamegraph");
+  yield flamegraphRendered;
+
+  let overviewRangeSelected = once(OverviewView, EVENTS.UI_OVERVIEW_RANGE_SELECTED);
+  let waterfallRerendered = once(WaterfallView, EVENTS.UI_WATERFALL_RENDERED);
+  let callTreeRerendered = once(JsCallTreeView, EVENTS.UI_JS_CALL_TREE_RENDERED);
+
+  once(JsFlameGraphView, EVENTS.UI_JS_FLAMEGRAPH_RENDERED).then(() => {
+    ok(false, "FlameGraphView should not publicly rerender, the internal state " +
+              "and drawing should be handled by the underlying widget.");
+  });
+
+  // Reset the range to full view, trigger a "selection" event as if
+  // our mouse has done this
+  scrollCanvasGraph(JsFlameGraphView.graph, {
+    axis: HORIZONTAL_AXIS,
+    wheel: 200,
+    x: 10
+  });
+
+  yield overviewRangeSelected;
+  ok(true, "Overview range was changed.");
+
+  yield DetailsView.selectView("waterfall");
+  yield waterfallRerendered;
+  ok(true, "Waterfall rerendered by flame graph changing interval.");
+
+  yield DetailsView.selectView("js-calltree");
+  yield callTreeRerendered;
+  ok(true, "CallTree rerendered by flame graph changing interval.");
+
+  yield teardownToolboxAndRemoveTab(panel);
+});