Status: FAIL | Duration: 16ms | Subtests: 0/1 | Open test on wpt.live | Open ref on wpt.live | wpt.fyi
/css/css-text-decor/text-decoration-subelements-002.html
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Test case for text-decoration with subelements</title> <meta name="assert" content="for underlines and overlines the UA must use a single thickness and position on each line for the decorations deriving from a single decorating box"> <link rel="author" title="Jonathan Kew" href="mailto:jkew@mozilla.com"> <link rel="author" title="Mozilla" href="https://www.mozilla.org"> <link rel="help" href="https://drafts.csswg.org/css-text-decor-3/#text-underline-position-property"> <link rel="match" href="reference/text-decoration-subelements-002-ref.html"> <meta name="fuzzy" content="maxDifference=0-80;totalPixels=0-42"> <style> div.wrapper { font-size: 2em; position: relative; } div.test { text-decoration: underline; position: absolute; white-space: nowrap; } </style> </head> <body> <p>Test passes if there is a single uniform underline for all the text in each line, <i>not</i> a separate underline for the superscripts: </p> <div class=wrapper> <div style="position: absolute; top: 1em;"> <div class=test>Einstein said that <i>e = mc<sup>2</sup></i>.</div> </div> <div style="position: absolute; top: 3em;"> <div class=test>Is <i>a<sup>n</sup> + b<sup>n</sup> = c<sup>n</sup></i> ever true for <i>n</i> > 2.</div> </div> </div> </body> </html>
/css/css-text-decor/reference/text-decoration-subelements-002-ref.html
<!DOCTYPE html> <html> <head> <meta charset="utf-8"> <title>Reference case for text-decoration with subelements</title> <style> div.wrapper { font-size: 2em; position: relative; } sup.baseline { vertical-align: baseline; } .hide { color: transparent; } div { white-space: nowrap; } </style> </head> <body> <p>Test passes if there is a single uniform underline for all the text in each line, <i>not</i> a separate underline for the superscripts: </p> <div class=wrapper> <div style="position: absolute; top: 1em;"> <!-- We use position:absolute and overflow:hidden so that this element will be shrink-wrapped to fit the width of its content, and clip the underline of the descendant span to the width of this text. --> <div style="position: absolute; overflow: hidden;">Einstein said that <i>e = mc<sup>2</sup></i>. <div style="position: absolute; top: 0;"> <!-- Generate a single continuous underline with the appropriate style by underlining a span of transparent text; it will be too wide for the actual test text, as we're not matching its mixture of font styles, but then will be clipped to the shrink-wrap width of the abs-pos containing block. --> <span style="text-decoration: underline;"> <span class=hide>Einstein said that e = mc2......</span></span> <span class=hide><sup>2</sup></span><!-- to ensure baseline is consistent with testcase --> </div> </div> </div> <div style="position: absolute; top: 3em;"> <div style="position: absolute; overflow: hidden;">Is <i>a<sup>n</sup> + b<sup>n</sup> = c<sup>n</sup></i> ever true for <i>n</i> > 2. <div style="position: absolute; top: 0;"> <span style="text-decoration: underline;"> <span class=hide>Is an + bn = cn ever true for n > 2......</span></span> <span class=hide><sup>n</sup></span><!-- to ensure baseline is consistent with testcase --> </div> </div> </div> </div> </body> </html>