зеркало из https://github.com/mozilla/gecko-dev.git
71 строка
2.2 KiB
JavaScript
71 строка
2.2 KiB
JavaScript
/* Any copyright is dedicated to the Public Domain.
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http://creativecommons.org/publicdomain/zero/1.0/ */
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"use strict";
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// Tests that graph widgets works properly.
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const LineGraphWidget = require("devtools/client/shared/widgets/LineGraphWidget");
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add_task(function* () {
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yield addTab("about:blank");
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yield performTest();
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gBrowser.removeCurrentTab();
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finish();
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});
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function* performTest() {
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let [host,, doc] = yield createHost();
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doc.body.setAttribute("style",
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"position: fixed; width: 100%; height: 100%; margin: 0;");
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let graph = new LineGraphWidget(doc.body, "fps");
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let readyEventEmitted;
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graph.once("ready", () => {
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readyEventEmitted = true;
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});
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yield graph.ready();
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ok(readyEventEmitted, "The 'ready' event should have been emitted");
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testGraph(host, graph);
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yield graph.destroy();
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host.destroy();
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}
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function testGraph(host, graph) {
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ok(graph._container.classList.contains("line-graph-widget-container"),
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"The correct graph container was created.");
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ok(graph._canvas.classList.contains("line-graph-widget-canvas"),
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"The correct graph container was created.");
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let bounds = host.frame.getBoundingClientRect();
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is(graph.width, bounds.width * window.devicePixelRatio,
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"The graph has the correct width.");
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is(graph.height, bounds.height * window.devicePixelRatio,
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"The graph has the correct height.");
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ok(graph._cursor.x === null,
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"The graph's cursor X coordinate is initially null.");
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ok(graph._cursor.y === null,
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"The graph's cursor Y coordinate is initially null.");
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ok(graph._selection.start === null,
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"The graph's selection start value is initially null.");
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ok(graph._selection.end === null,
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"The graph's selection end value is initially null.");
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ok(graph._selectionDragger.origin === null,
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"The graph's dragger origin value is initially null.");
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ok(graph._selectionDragger.anchor.start === null,
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"The graph's dragger anchor start value is initially null.");
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ok(graph._selectionDragger.anchor.end === null,
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"The graph's dragger anchor end value is initially null.");
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ok(graph._selectionResizer.margin === null,
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"The graph's resizer margin value is initially null.");
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}
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