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<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>remove a meta viewport node from multiple ones</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, initial-scale=1">
<meta id="willBeRemoved" name="viewport" content="width=980">
<script src="viewport_helpers.js"></script>
</head>
<body>
<script type="application/javascript">
"use strict";
add_task(async function remove_a_viewport_node() {
await SpecialPowers.pushPrefEnv(scaleRatio(1.0));
let info = getViewportInfo(800, 480);
// We use "width=980" for viewport stuff.
fuzzeq(info.defaultZoom, 800/980, "initial scale is calculated based on width");
is(info.minZoom, 0.25, "minimum scale defaults to the absolute minimum");
is(info.maxZoom, 10, "maximum scale defaults to the absolute maximum");
is(info.width, 980, "width is the default width");
is(info.height, 588, "height is proportional to displayHeight");
is(info.autoSize, false, "autoSize is disabled by default");
is(info.allowZoom, true, "zooming is enabled by default");
document.getElementById("willBeRemoved").remove();
info = getViewportInfo(800, 480);
// Now it was removed, but we remain the same.
fuzzeq(info.defaultZoom, 800/980, "initial scale is calculated based on width");
is(info.minZoom, 0.25, "minimum scale defaults to the absolute minimum");
is(info.maxZoom, 10, "maximum scale defaults to the absolute maximum");
is(info.width, 980, "width is the default width");
is(info.height, 588, "height is proportional to displayHeight");
is(info.autoSize, false, "autoSize is disabled by default");
is(info.allowZoom, true, "zooming is enabled by default");
});
</script>
</body>
</html>
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