forked from mirrors/gecko-dev
f6db0ee557
# ignore-this-changeset Differential Revision: https://phabricator.services.mozilla.com/D35884 --HG-- extra : source : 60e4496cf9699dc59f2f4738cb60f87cbdb01e67
96 lines
2.6 KiB
JavaScript
96 lines
2.6 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 selections are drawn onto the canvas.
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const TEST_DATA = [
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{ delta: 112, value: 48 },
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{ delta: 213, value: 59 },
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{ delta: 313, value: 60 },
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{ delta: 413, value: 59 },
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{ delta: 530, value: 59 },
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{ delta: 646, value: 58 },
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{ delta: 747, value: 60 },
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{ delta: 863, value: 48 },
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{ delta: 980, value: 37 },
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{ delta: 1097, value: 30 },
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{ delta: 1213, value: 29 },
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{ delta: 1330, value: 23 },
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{ delta: 1430, value: 10 },
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{ delta: 1534, value: 17 },
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{ delta: 1645, value: 20 },
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{ delta: 1746, value: 22 },
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{ delta: 1846, value: 39 },
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{ delta: 1963, value: 26 },
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{ delta: 2080, value: 27 },
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{ delta: 2197, value: 35 },
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{ delta: 2312, value: 47 },
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{ delta: 2412, value: 53 },
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{ delta: 2514, value: 60 },
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{ delta: 2630, value: 37 },
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{ delta: 2730, value: 36 },
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{ delta: 2830, value: 37 },
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{ delta: 2946, value: 36 },
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{ delta: 3046, value: 40 },
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{ delta: 3163, value: 47 },
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{ delta: 3280, value: 41 },
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{ delta: 3380, value: 35 },
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{ delta: 3480, value: 27 },
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{ delta: 3580, value: 39 },
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{ delta: 3680, value: 42 },
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{ delta: 3780, value: 49 },
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{ delta: 3880, value: 55 },
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{ delta: 3980, value: 60 },
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{ delta: 4080, value: 60 },
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{ delta: 4180, value: 60 },
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];
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const TEST_REGIONS = [{ start: 320, end: 460 }, { start: 780, end: 860 }];
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const LineGraphWidget = require("devtools/client/shared/widgets/LineGraphWidget");
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add_task(async function() {
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await addTab("about:blank");
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await performTest();
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gBrowser.removeCurrentTab();
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});
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async function performTest() {
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const [host, , doc] = await createHost();
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const graph = new LineGraphWidget(doc.body, "fps");
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await graph.once("ready");
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testGraph(graph);
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await graph.destroy();
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host.destroy();
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}
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function testGraph(graph) {
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graph.setData(TEST_DATA);
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graph.setRegions(TEST_REGIONS);
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// Measure the color of the first pixel before any selection is made.
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graph._onAnimationFrame();
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const pixelNoSelection = graph._ctx.getImageData(1, 1, 1, 1).data;
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graph.setSelection({ start: 0, end: 10 });
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graph._onAnimationFrame();
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const pixelNormalSelection = graph._ctx.getImageData(1, 1, 1, 1).data;
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Assert.notDeepEqual(
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pixelNormalSelection,
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pixelNoSelection,
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"The first pixel is part of the drawn selection."
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);
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graph.setSelection({ start: graph.width + 100, end: -100 });
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graph._onAnimationFrame();
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const pixelFullSelection = graph._ctx.getImageData(1, 1, 1, 1).data;
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Assert.deepEqual(
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pixelFullSelection,
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pixelNormalSelection,
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"The first pixel is still part of the drawn selection."
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);
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}
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