gecko-dev/dom/base/test/test_meta_viewport6.html

48 строки
2.0 KiB
HTML

<!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=2000, minimum-scale=0.75">
<script src="viewport_helpers.js"></script>
</head>
<body>
<p>width=2000, minimum-scale=0.75</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.minZoom, 0.75, "minumum scale is set explicitly");
is(info.defaultZoom, 0.75, "initial scale is bounded by the minimum scale");
is(info.maxZoom, 10, "maximum scale defaults to the absolute maximum");
is(info.width, 2000, "width is set explicitly");
is(info.height, 1200, "height is proportional to displayHeight");
is(info.autoSize, false, "autoSize is disabled by default");
is(info.allowZoom, true, "zooming is enabled by default");
info = getViewportInfo(2000, 1000);
is(info.minZoom, 0.75, "minumum scale is still set explicitly");
is(info.defaultZoom, 1, "initial scale fits the width");
is(info.width, 2000, "width is set explicitly");
is(info.height, 1000, "height is proportional to the new displayHeight");
});
add_task(async function test2() {
await SpecialPowers.pushPrefEnv(scaleRatio(1.5));
let info = getViewportInfo(800, 480);
is(info.minZoom, 1.125, "minumum scale is converted to device pixel scale");
is(info.defaultZoom, 1.125, "initial scale is bounded by the minimum scale");
is(info.maxZoom, 15, "maximum scale defaults to the absolute maximum");
is(info.width, 2000, "width is still set explicitly");
is(info.height, 1200, "height is still proportional to displayHeight");
});
</script>
</body>
</html>