gecko-dev/content/base/test/test_meta_viewport6.html
Robert O'Callahan ab85da27f3 Bug 874295. Fix viewport tests. r=mbrubeck
--HG--
extra : rebase_source : 48252cd24f804fbac3c6a7eaf7792fbc9c7584b8
2013-06-03 19:02:46 +12:00

84 lines
3.1 KiB
HTML

<!DOCTYPE HTML>
<html>
<head>
<meta charset="utf-8">
<title>meta viewport test</title>
<script type="application/javascript" 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;version=1.7">
"use strict";
SimpleTest.waitForExplicitFinish();
let tests = [];
tests.push(function test1() {
SpecialPowers.pushPrefEnv(scaleRatio(1.0),
function() {
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");
nextTest();
});
});
tests.push(function test2() {
SpecialPowers.pushPrefEnv(scaleRatio(1.5),
function() {
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");
nextTest();
});
});
function getViewportInfo(aDisplayWidth, aDisplayHeight) {
let defaultZoom = {}, allowZoom = {}, minZoom = {}, maxZoom = {},
width = {}, height = {}, autoSize = {};
let cwu = SpecialPowers.getDOMWindowUtils(window);
cwu.getViewportInfo(aDisplayWidth, aDisplayHeight, defaultZoom, allowZoom,
minZoom, maxZoom, width, height, autoSize);
return {
defaultZoom: defaultZoom.value,
minZoom: minZoom.value,
maxZoom: maxZoom.value,
width: width.value,
height: height.value,
autoSize: autoSize.value,
allowZoom: allowZoom.value
};
}
function nextTest() {
if (tests.length)
(tests.shift())();
else
SimpleTest.finish();
}
addEventListener("load", nextTest);
</script>
</body>
</html>