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-rw-r--r--devtools/client/performance/test/browser_perf-overview-selection-01.js71
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diff --git a/devtools/client/performance/test/browser_perf-overview-selection-01.js b/devtools/client/performance/test/browser_perf-overview-selection-01.js
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+/* Any copyright is dedicated to the Public Domain.
+ http://creativecommons.org/publicdomain/zero/1.0/ */
+"use strict";
+
+/**
+ * Tests that events are fired from selection manipulation.
+ */
+
+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 { dragStartCanvasGraph, dragStopCanvasGraph, clickCanvasGraph } = require("devtools/client/performance/test/helpers/input-utils");
+
+add_task(function* () {
+ let { panel } = yield initPerformanceInNewTab({
+ url: SIMPLE_URL,
+ win: window
+ });
+
+ let { EVENTS, PerformanceController, OverviewView } = panel.panelWin;
+
+ yield startRecording(panel);
+ yield stopRecording(panel);
+
+ let duration = PerformanceController.getCurrentRecording().getDuration();
+ let graph = OverviewView.graphs.get("timeline");
+
+ // Select the first half of the graph.
+
+ let rangeSelected = once(OverviewView, EVENTS.UI_OVERVIEW_RANGE_SELECTED,
+ { spreadArgs: true });
+ dragStartCanvasGraph(graph, { x: 0 });
+ let [, { startTime, endTime }] = yield rangeSelected;
+ is(endTime, duration, "The selected range is the entire graph, for now.");
+
+ rangeSelected = once(OverviewView, EVENTS.UI_OVERVIEW_RANGE_SELECTED,
+ { spreadArgs: true });
+ dragStopCanvasGraph(graph, { x: graph.width / 2 });
+ [, { startTime, endTime }] = yield rangeSelected;
+ is(endTime, duration / 2, "The selected range is half of the graph.");
+
+ is(graph.hasSelection(), true,
+ "A selection exists on the graph.");
+ is(startTime, 0,
+ "The UI_OVERVIEW_RANGE_SELECTED event fired with 0 as a `startTime`.");
+ is(endTime, duration / 2,
+ `The UI_OVERVIEW_RANGE_SELECTED event fired with ${duration / 2} as \`endTime\`.`);
+
+ let mapStart = () => 0;
+ let mapEnd = () => duration;
+ let actual = graph.getMappedSelection({ mapStart, mapEnd });
+ is(actual.min, 0, "Graph selection starts at 0.");
+ is(actual.max, duration / 2, `Graph selection ends at ${duration / 2}.`);
+
+ // Listen to deselection.
+
+ rangeSelected = once(OverviewView, EVENTS.UI_OVERVIEW_RANGE_SELECTED,
+ { spreadArgs: true });
+ clickCanvasGraph(graph, { x: 3 * graph.width / 4 });
+ [, { startTime, endTime }] = yield rangeSelected;
+
+ is(graph.hasSelection(), false,
+ "A selection no longer on the graph.");
+ is(startTime, 0,
+ "The UI_OVERVIEW_RANGE_SELECTED event fired with 0 as a `startTime`.");
+ is(endTime, duration,
+ "The UI_OVERVIEW_RANGE_SELECTED event fired with duration as `endTime`.");
+
+ yield teardownToolboxAndRemoveTab(panel);
+});