test_meta_viewport0.html (1640B)
1 <!DOCTYPE HTML> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <title>meta viewport test</title> 6 <script src="/tests/SimpleTest/SimpleTest.js"></script> 7 <link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css"/> 8 <script src="viewport_helpers.js"></script> 9 </head> 10 <body> 11 <p>No <meta name="viewport"> tag</p> 12 <script type="application/javascript"> 13 "use strict"; 14 15 add_task(async function test1() { 16 await SpecialPowers.pushPrefEnv(scaleRatio(1.0)); 17 18 let info = getViewportInfo(800, 480); 19 fuzzeq(info.defaultZoom, 0.25, "initial scale is clamped to the default mimumim scale"); 20 fuzzeq(info.minZoom, 0.25, "minimum scale defaults to the absolute minimum"); 21 is(info.maxZoom, 10, "maximum scale defaults to the absolute maximum"); 22 is(info.width, 980, "width is the default width"); 23 is(info.height, 588, "height is proportional to displayHeight"); 24 is(info.autoSize, false, "autoSize is disabled by default"); 25 is(info.allowZoom, true, "zooming is enabled by default"); 26 27 info = getViewportInfo(490, 600); 28 is(info.width, 980, "width is still the default width"); 29 is(info.height, 1200, "height is proportional to the new displayHeight"); 30 }); 31 32 add_task(async function test2() { 33 await SpecialPowers.pushPrefEnv(scaleRatio(1.5)); 34 35 let info = getViewportInfo(800, 480); 36 is(info.width, 980, "width is still the default width"); 37 is(info.height, 588, "height is still proportional to displayHeight"); 38 }); 39 </script> 40 </body> 41 </html>