table-cell-width-calculation.html (9102B)
1 <!doctype html> 2 <html> 3 <head> 4 <title>The table cell width calculation quirk</title> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <style> iframe { width:200px; height:20px; } </style> 8 </head> 9 <body> 10 <div id=log></div> 11 <iframe id=quirks></iframe> 12 <iframe id=almost></iframe> 13 <iframe id=standards></iframe> 14 <script> 15 setup({explicit_done:true}); 16 17 var png = "data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAAAAEAAAABCAYAAAAfFcSJAAAACklEQVR4nGMAAQAABQABDQottAAAAABJRU5ErkJggg=="; 18 var preload = new Image(); 19 preload.src = png; 20 21 onload = function() { 22 var html = "<style id=style></style><table><tr><td id=test></table><table><tr><td id=ref></table><table><tr><td id=s_ref></table>"; 23 var a_doctype = '<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">'; 24 var s_doctype = '<!DOCTYPE HTML>'; 25 var q = document.getElementById('quirks').contentWindow; 26 var a = document.getElementById('almost').contentWindow; 27 var s = document.getElementById('standards').contentWindow; 28 q.document.open(); 29 q.document.write(html); 30 q.document.close(); 31 a.document.open(); 32 a.document.write(a_doctype + html); 33 a.document.close(); 34 s.document.open(); 35 s.document.write(s_doctype + html); 36 s.document.close(); 37 [q, a, s].forEach(function(win) { 38 ['style', 'test', 'ref', 's_ref'].forEach(function(id) { 39 Object.getPrototypeOf(win).__defineGetter__(id, function() { return win.document.getElementById(id); }); 40 }); 41 }); 42 q.title = 'quirks mode'; 43 a.title = 'almost standards mode'; 44 s.title = 'standards mode'; 45 46 var tests = [ 47 {desc:"baseline", 48 style:'table { width:8px }', // cell content width should be 2px (2px cell-spacing, 1px padding) 49 test:'<img src="{png}">', 50 ref:'<img src="{png}">', 51 s_ref:'<img src="{png}">'}, 52 53 {desc:"basic", 54 style:'table { width:8px }', 55 test:'<img src="{png}"><img src="{png}"><img src="{png}">', 56 ref:'<nobr><img src="{png}"><img src="{png}"><img src="{png}"></nobr>', 57 s_ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>'}, 58 59 {desc:"inline-block", 60 style:'table { width:8px } img { display:inline-block }', 61 test:'<img src="{png}"><img src="{png}"><img src="{png}">', 62 ref:'<nobr><img src="{png}"><img src="{png}"><img src="{png}"></nobr>', 63 s_ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>'}, 64 65 {desc:"img in span", 66 style:'table { width:8px }', 67 test:'<span><img src="{png}"><img src="{png}"><img src="{png}"></span>', 68 ref:'<nobr><img src="{png}"><img src="{png}"><img src="{png}"></nobr>', 69 s_ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>'}, 70 71 {desc:"the don't-wrap rule is only for the purpose of calculating the width of the cell", 72 style:'table { width:8px }', 73 test:'<img src="{png}"><wbr><img src="{png}"><img src="{png}"><img src="{png}">', 74 ref:'<nobr><img src="{png}"><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>', 75 s_ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"><img src="{png}"></nobr>'}, 76 77 {desc:"the quirk only applies when the cell is the containing block", 78 style:'table { width:8px }', 79 test:'<div><img src="{png}"><img src="{png}"><img src="{png}"></div>', 80 ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"><img src="{png}"></nobr>', 81 s_ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"><img src="{png}"></nobr>'}, 82 83 {desc:"the quirk shouldn't apply for generated content", 84 style:'table { width:8px } #test::before { content:url("{png}") url("{png}") url("{png}") }', 85 test:'', 86 ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>', 87 s_ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>'}, 88 89 {desc:"the quirk shouldn't apply for <input>", 90 style:'table { width:8px }', 91 test:'<input type=image src="{png}"><input type=image src="{png}"><input type=image src="{png}">', 92 ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>', 93 s_ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>'}, 94 95 {desc:"the quirk shouldn't apply for <object>", 96 style:'table { width:8px }', 97 test:'<object data="{png}"></object><object data="{png}"></object><object data="{png}"></object>', 98 ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>', 99 s_ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>'}, 100 101 {desc:"the quirk shouldn't apply for <embed>", 102 style:'table { width:8px }', 103 test:'<embed src="{png}"><embed src="{png}"><embed src="{png}">', 104 ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>', 105 s_ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>'}, 106 107 {desc:"the quirk shouldn't apply for <video poster>", 108 style:'table { width:8px }', 109 test:'<video poster="{png}"></video><video poster="{png}"></video><video poster="{png}"></video>', 110 ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>', 111 s_ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>'}, 112 113 {desc:"non-auto width on cell", 114 style:'td { width:2px }', 115 test:'<img src="{png}"><img src="{png}"><img src="{png}">', 116 ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>', 117 s_ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>'}, 118 119 {desc:"zero width on cell, specified with on table", 120 style:'table { width:8px } td { width:0 }', 121 test:'<img src="{png}"><img src="{png}"><img src="{png}">', 122 ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>', 123 s_ref:'<nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr>'}, 124 125 // tests below use overwrite body.innerHTML so tests using test/ref/s_ref props need to be above 126 {desc:"display:table-cell on span", 127 style:'div { display:table; width:2px } span { display:table-cell }', 128 body:'<div><span id=test><img src="{png}"><img src="{png}"><img src="{png}"></span></div>'+ 129 '<div><span id=ref><nobr><img src="{png}"><img src="{png}"><img src="{png}"></nobr></span></div>'+ 130 '<div><span id=s_ref><nobr><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr></span></div>'}, 131 132 {desc:"display:table-cell on span, wbr", 133 style:'div { display:table; width:2px } span { display:table-cell }', 134 body:'<div><span id=test><img src="{png}"><wbr><img src="{png}"><img src="{png}"><img src="{png}"></span></div>'+ 135 '<div><span id=ref><nobr><img src="{png}"><img src="{png}"><img src="{png}"><br><img src="{png}"></nobr></span></div>'+ 136 '<div><span id=s_ref><nobr><img src="{png}"><img src="{png}"><br><img src="{png}"><img src="{png}"></nobr></span></div>'}, 137 ]; 138 139 tests.forEach(function(t) { 140 test(function() { 141 var style = t.style.replace(/\{png\}/g, png); 142 var test = t.test && t.test.replace(/\{png\}/g, png); 143 var ref = t.ref && t.ref.replace(/\{png\}/g, png); 144 var s_ref = t.s_ref && t.s_ref.replace(/\{png\}/g, png); 145 var body = t.body && t.body.replace(/\{png\}/g, png); 146 [q, a, s].forEach(function(win) { 147 win.style.textContent = style; 148 if (body !== undefined) { 149 win.document.body.innerHTML = body; 150 } else { 151 win.test.innerHTML = test; 152 win.ref.innerHTML = ref; 153 win.s_ref.innerHTML = s_ref; 154 } 155 assert_equals(win.getComputedStyle(win.test).width, 156 win.getComputedStyle(win == q ? win.ref : win.s_ref).width, 157 'cell width, '+win.title); 158 var test_imgs = win.test.querySelectorAll('img'); 159 var ref_imgs = win.ref.querySelectorAll('img'); 160 var s_ref_imgs = win.s_ref.querySelectorAll('img'); 161 for (var i = 0; i < test_imgs.length; ++i) { 162 assert_equals(test_imgs[i].offsetLeft, 163 win == q ? ref_imgs[i].offsetLeft : s_ref_imgs[i].offsetLeft, 164 'img '+i+' offsetLeft, '+win.title); 165 } 166 }); 167 }, document.title+', '+t.desc); 168 }); 169 170 done(); 171 } 172 </script> 173 </body> 174 </html>