line-breaking-019.html (3291B)
1 <!DOCTYPE html> 2 <meta charset=utf-8> 3 <title>CSS Text — out-of-flow element adjacent to a potential line-break</title> 4 <meta name=assert content="The anchor of an out-of-flow should not migrate across a soft line break"> 5 <!-- NOTE: I'm not sure the spec explicitly addresses this exact point, but it seems like a clear 6 bug in Firefox, hence this test (which passes as expected in Chrome and Safari). --> 7 <link rel=help href="https://www.w3.org/TR/css-text-3/#line-break-details"> 8 <link rel=match href="reference/line-breaking-019-ref.html"> 9 <link rel=author title="Jonathan Kew" href="jkew@mozilla.com"> 10 <style> 11 .outer { float: left; padding: 0 1em; margin: 1em; border: 1px solid silver; } 12 13 .outer div { font-family: monospace; line-height: 2; margin: 1em 0; border: 1px dotted silver; } 14 15 .test20 div { width: 20ch; } 16 .test27 div { width: 27ch; } 17 .test30 div { width: 30ch; } 18 19 b { color: blue; border-left: 2px solid red; border-right: 2px solid green; } 20 21 /* adjust for the width of the target element's border */ 22 div > .before { margin-left: 2px; } 23 div > .after { margin-left: -2px; } 24 25 .test::before, 26 .test::after, 27 .before, 28 .after { position: absolute; font-size: 0.5em; } 29 30 .test::before { content: "before"; } 31 .test::after { content: "after"; } 32 33 .before, 34 .test::before { color: red; font-weight: normal; } 35 .after, 36 .test::after { color: green; font-weight: normal; } 37 </style> 38 39 <div>Test passes if all the examples in each group render the same:</div> 40 41 <div class="outer test30"> 42 <!-- Using ::before and ::after to insert abs-pos elements with non-empty content: --> 43 <div> 44 Preceding text <b class=test>target element</b> following text. 45 </div> 46 <!-- With explicit spans just inside the target element: --> 47 <div> 48 Preceding text <b><span class=before>before</span>target element<span class=after>after</span></b> following text. 49 </div> 50 <!-- With explicit spans just outside the target element: --> 51 <div> 52 Preceding text <span class=before>before</span><b>target element</b><span class=after>after</span> following text. 53 </div> 54 <!-- With explicit line breaks: --> 55 <div> 56 Preceding text <span class=before>before</span><b>target element</b><span class=after>after</span><br>following text. 57 </div> 58 </div> 59 60 <div class="outer test27"> 61 <div> 62 Preceding text <b class=test>target element</b> following text. 63 </div> 64 <div> 65 Preceding text <b><span class=before>before</span>target element<span class=after>after</span></b> following text. 66 </div> 67 <div> 68 Preceding text <span class=before>before</span><b>target element</b><span class=after>after</span> following text. 69 </div> 70 <div> 71 Preceding text <span class=before>before</span><b>target<br>element</b><span class=after>after</span> following text. 72 </div> 73 </div> 74 75 <div class="outer test20"> 76 <div> 77 Preceding text <b class=test>target element</b> following text. 78 </div> 79 <div> 80 Preceding text <b><span class=before>before</span>target element<span class=after>after</span></b> following text. 81 </div> 82 <div> 83 Preceding text <span class=before>before</span><b>target element</b><span class=after>after</span> following text. 84 </div> 85 <div> 86 Preceding text<br><span class=before>before</span><b>target element</b><span class=after>after</span><br>following text. 87 </div> 88 </div>