Thu, 22 Jan 2015 13:21:57 +0100
Incorporate requested changes from Mozilla in review:
https://bugzilla.mozilla.org/show_bug.cgi?id=1123480#c6
1 <!DOCTYPE HTML>
2 <html>
3 <head>
4 <meta charset="utf-8">
5 <title>meta viewport test</title>
6 <script type="application/javascript" src="/tests/SimpleTest/SimpleTest.js"></script>
7 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/>
8 <meta name="viewport" content="width=device-width">
9 <script src="viewport_helpers.js"></script>
10 </head>
11 <body>
12 <p>width=device-width</p>
13 <script type="application/javascript;version=1.7">
14 "use strict";
16 SimpleTest.waitForExplicitFinish();
18 let tests = [];
20 tests.push(function test1() {
21 SpecialPowers.pushPrefEnv(scaleRatio(1.0),
22 function() {
23 let info = getViewportInfo(800, 480);
24 is(info.defaultZoom, 1, "initial zoom is 100%");
25 is(info.width, 800, "width is the same as the displayWidth");
26 is(info.height, 480, "height is the same as the displayHeight");
27 is(info.autoSize, true, "width=device-width enables autoSize");
28 is(info.allowZoom, true, "zooming is enabled by default");
30 info = getViewportInfo(900, 600);
31 is(info.width, 900, "changing the displayWidth changes the width");
32 is(info.height, 600, "changing the displayHeight changes the height");
34 nextTest();
35 });
36 });
38 tests.push(function test2() {
39 SpecialPowers.pushPrefEnv(scaleRatio(1.5),
40 function() {
41 let info = getViewportInfo(900, 600);
42 is(info.defaultZoom, 1.5, "initial zoom is 150%");
43 is(info.width, 600, "width equals displayWidth/1.5");
44 is(info.height, 400, "height equals displayHeight/1.5");
46 nextTest();
47 });
48 });
50 function getViewportInfo(aDisplayWidth, aDisplayHeight) {
51 let defaultZoom = {}, allowZoom = {}, minZoom = {}, maxZoom = {},
52 width = {}, height = {}, autoSize = {};
54 let cwu = SpecialPowers.getDOMWindowUtils(window);
55 cwu.getViewportInfo(aDisplayWidth, aDisplayHeight, defaultZoom, allowZoom,
56 minZoom, maxZoom, width, height, autoSize);
57 return {
58 defaultZoom: defaultZoom.value,
59 minZoom: minZoom.value,
60 maxZoom: maxZoom.value,
61 width: width.value,
62 height: height.value,
63 autoSize: autoSize.value,
64 allowZoom: allowZoom.value
65 };
66 }
68 function nextTest() {
69 if (tests.length)
70 (tests.shift())();
71 else
72 SimpleTest.finish();
73 }
74 addEventListener("load", nextTest);
75 </script>
76 </body>
77 </html>