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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
commit dcd9973243
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44
devtools/client/shared/test/browser_flame-graph-02.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 flame graph widgets may have a fixed width or height.
const {FlameGraph} = require("devtools/client/shared/widgets/FlameGraph");
add_task(function* () {
yield addTab("about:blank");
yield performTest();
gBrowser.removeCurrentTab();
});
function* performTest() {
let [host,, doc] = yield createHost();
doc.body.setAttribute("style",
"position: fixed; width: 100%; height: 100%; margin: 0;");
let graph = new FlameGraph(doc.body);
graph.fixedWidth = 200;
graph.fixedHeight = 100;
yield graph.ready();
testGraph(host, graph);
yield graph.destroy();
host.destroy();
}
function testGraph(host, graph) {
let bounds = host.frame.getBoundingClientRect();
isnot(graph.width, bounds.width * window.devicePixelRatio,
"The graph should not span all the parent node's width.");
isnot(graph.height, bounds.height * window.devicePixelRatio,
"The graph should not span all the parent node's height.");
is(graph.width, graph.fixedWidth * window.devicePixelRatio,
"The graph has the correct width.");
is(graph.height, graph.fixedHeight * window.devicePixelRatio,
"The graph has the correct height.");
}