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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo

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Roy Tam 2018-01-19 03:59:58 +08:00
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devtools/client/performance/test/browser_perf-overview-selection-01.js Normal file
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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);
});