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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=320">
<script src="viewport_helpers.js"></script>
</head>
<body>
<p>width=320</p>
<script type="application/javascript">
"use strict";
add_task(async function test1() {
await SpecialPowers.pushPrefEnv(scaleRatio(1.0));
let info = getViewportInfo(800, 80);
is(info.defaultZoom, 2.5, "initial zoom fits the displayWidth");
is(info.width, 320, "width is set explicitly");
is(info.height, 40, "height is at the absolute minimum");
is(info.autoSize, false, "width=device-width enables autoSize");
is(info.allowZoom, true, "zooming is enabled by default");
info = getViewportInfo(480, 800);
is(info.defaultZoom, 1.5, "initial zoom fits the new displayWidth");
is(info.width, 320, "explicit width is unchanged");
is(info.height, 533, "height changes proportional to displayHeight");
});
add_task(async function test2() {
await SpecialPowers.pushPrefEnv(scaleRatio(1.5));
// With an explicit width in CSS px, the scaleRatio has no effect.
let info = getViewportInfo(800, 80);
is(info.defaultZoom, 2.5, "initial zoom still fits the displayWidth");
is(info.width, 320, "width is still set explicitly");
is(info.height, 40, "height is still minimum height");
});
</script>
</body>
</html>
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