45 lines
1.3 KiB
JavaScript
45 lines
1.3 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 may have a fixed width or height.
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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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});
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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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graph.fixedWidth = 200;
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graph.fixedHeight = 100;
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yield graph.ready();
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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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let bounds = host.frame.getBoundingClientRect();
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isnot(graph.width, bounds.width * window.devicePixelRatio,
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"The graph should not span all the parent node's width.");
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isnot(graph.height, bounds.height * window.devicePixelRatio,
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"The graph should not span all the parent node's height.");
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is(graph.width, graph.fixedWidth * window.devicePixelRatio,
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"The graph has the correct width.");
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is(graph.height, graph.fixedHeight * window.devicePixelRatio,
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"The graph has the correct height.");
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}
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