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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>meta viewport test</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
<meta name="viewport" content="initial-scale=1.0, user-scalable=no">
<script src="viewport_helpers.js"></script>
</head>
<body>
<p>initial-scale=1.0, user-scalable=no</p>
<script type="application/javascript">
"use strict";
add_task(async function test1() {
await SpecialPowers.pushPrefEnv(scaleRatio(1.0));
let info = getViewportInfo(800, 480);
is(info.defaultZoom, 1, "initial zoom is set explicitly");
is(info.width, 800, "width fits the initial zoom level");
is(info.height, 480, "height fits the initial zoom level");
is(info.autoSize, true, "initial-scale=1 enables autoSize");
is(info.allowZoom, false, "zooming is explicitly disabled");
info = getViewportInfo(480, 800);
is(info.defaultZoom, 1, "initial zoom is still set explicitly");
is(info.width, 480, "width changes to match the displayWidth");
is(info.height, 800, "height changes to match the displayHeight");
});
add_task(async function test2() {
await SpecialPowers.pushPrefEnv(scaleRatio(1.5));
let info = getViewportInfo(800, 480);
is(info.defaultZoom, 1.5, "initial zoom is adjusted for device pixel ratio");
is(info.width, 533, "width fits the initial zoom");
is(info.height, 320, "height fits the initial zoom");
});
</script>
</body>
</html>
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