helper_doubletap_zoom_large_overflow.html (20015B)
1 <!DOCTYPE HTML> 2 <html> 3 <head> 4 <meta charset="utf-8"> 5 <meta name="viewport" content="width=2100"/> 6 <title>Check that double tapping on overflow centers the zoom where we double tap</title> 7 <script type="application/javascript" src="apz_test_native_event_utils.js"></script> 8 <script type="application/javascript" src="apz_test_utils.js"></script> 9 <script src="/tests/SimpleTest/paint_listener.js"></script> 10 <script type="application/javascript"> 11 12 async function test() { 13 let useTouchpad = (location.search == "?touchpad"); 14 15 var resolution = await getResolution(); 16 ok(resolution > 0, 17 "The initial_resolution is " + resolution + ", which is some sane value"); 18 19 // instant scroll to the bottom of the page 20 window.scrollTo({ 21 top: 10000, 22 left: 0, 23 behavior: 'auto' 24 }); 25 26 await promiseApzFlushedRepaints(); 27 28 let scrollPos = window.scrollY; 29 ok(scrollPos > 1500, "window scrolled down"); 30 31 info("window.scrollY " + window.scrollY); 32 33 info("window.innerHeight " + window.innerHeight); 34 35 info("document.documentElement.scrollHeight " + document.documentElement.scrollHeight); 36 37 let target = document.getElementById("target"); 38 39 let x = 10; 40 let y = document.documentElement.scrollHeight - 60; 41 42 // Check that double-tapping once zooms in 43 await doubleTapOn(target, x, y, useTouchpad); 44 var prev_resolution = resolution; 45 resolution = await getResolution(); 46 ok(resolution > prev_resolution, "The first double-tap has increased the resolution to " + resolution); 47 48 ok(window.scrollY > 1500, "window is still scrolled down"); 49 ok(window.scrollY >= scrollPos-2, "window is still scrolled down"); 50 info("window.scrollY " + window.scrollY); 51 } 52 53 waitUntilApzStable() 54 .then(test) 55 .then(subtestDone, subtestFailed); 56 57 </script> 58 <style> 59 .container { 60 background-color: #eee; 61 width: 200px; 62 height: 50px; 63 border: 1px dotted black; 64 overflow: visible; 65 } 66 </style> 67 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