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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="width=device-width">
<script src="viewport_helpers.js"></script>
</head>
<body>
<p>width=device-width</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 100%");
is(info.width, 800, "width is the same as the displayWidth");
is(info.height, 480, "height is the same as the displayHeight");
is(info.autoSize, true, "width=device-width enables autoSize");
is(info.allowZoom, true, "zooming is enabled by default");
info = getViewportInfo(900, 600);
is(info.width, 900, "changing the displayWidth changes the width");
is(info.height, 600, "changing the displayHeight changes the height");
});
add_task(async function test2() {
await SpecialPowers.pushPrefEnv(scaleRatio(1.5));
let info = getViewportInfo(900, 600);
is(info.defaultZoom, 1.5, "initial zoom is 150%");
is(info.width, 600, "width equals displayWidth/1.5");
is(info.height, 400, "height equals displayHeight/1.5");
});
</script>
</body>
</html>
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