mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-10-30 05:35:31 +00:00
83 lines
3.1 KiB
HTML
83 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">
|
|
</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({"set": [["browser.viewport.scaleRatio", 100]]},
|
|
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({"set": [["browser.viewport.scaleRatio", 150]]},
|
|
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>
|