| testText("<div>abc", "abc", "Simplest possible test"); | 
 |  | 
 | /**** white-space:normal ****/ | 
 |  | 
 | testText("<div> abc", "abc", "Leading whitespace removed"); | 
 | testText("<div>abc ", "abc", "Trailing whitespace removed"); | 
 | testText("<div>abc  def", "abc def", "Internal whitespace compressed"); | 
 | testText("<div>abc\ndef", "abc def", "\\n converted to space"); | 
 | testText("<div>abc\rdef", "abc def", "\\r converted to space"); | 
 | testText("<div>abc\tdef", "abc def", "\\t converted to space"); | 
 | testText("<div>abc <br>def", "abc\ndef", "Trailing whitespace before hard line break removed"); | 
 |  | 
 | /**** <pre> ****/ | 
 |  | 
 | testText("<pre> abc", " abc", "Leading whitespace preserved"); | 
 | testText("<pre>abc ", "abc ", "Trailing whitespace preserved"); | 
 | testText("<pre>abc  def", "abc  def", "Internal whitespace preserved"); | 
 | testText("<pre>abc\ndef", "abc\ndef", "\\n preserved"); | 
 | testText("<pre>abc\rdef", "abc\ndef", "\\r converted to newline"); | 
 | testText("<pre>abc\tdef", "abc\tdef", "\\t preserved"); | 
 |  | 
 | /**** <div style="white-space:pre"> ****/ | 
 |  | 
 | testText("<div style='white-space:pre'> abc", " abc", "Leading whitespace preserved"); | 
 | testText("<div style='white-space:pre'>abc ", "abc ", "Trailing whitespace preserved"); | 
 | testText("<div style='white-space:pre'>abc  def", "abc  def", "Internal whitespace preserved"); | 
 | testText("<div style='white-space:pre'>abc\ndef", "abc\ndef", "\\n preserved"); | 
 | testText("<div style='white-space:pre'>abc\rdef", "abc\ndef", "\\r converted to newline"); | 
 | testText("<div style='white-space:pre'>abc\tdef", "abc\tdef", "\\t preserved"); | 
 |  | 
 | /**** <span style="white-space:pre"> ****/ | 
 |  | 
 | testText("<span style='white-space:pre'> abc", " abc", "Leading whitespace preserved"); | 
 | testText("<span style='white-space:pre'>abc ", "abc ", "Trailing whitespace preserved"); | 
 | testText("<span style='white-space:pre'>abc  def", "abc  def", "Internal whitespace preserved"); | 
 | testText("<span style='white-space:pre'>abc\ndef", "abc\ndef", "\\n preserved"); | 
 | testText("<span style='white-space:pre'>abc\rdef", "abc\ndef", "\\r converted to newline"); | 
 | testText("<span style='white-space:pre'>abc\tdef", "abc\tdef", "\\t preserved"); | 
 |  | 
 | /**** <div style="white-space:pre-line"> ****/ | 
 |  | 
 | testText("<div style='white-space:pre-line'> abc", "abc", "Leading whitespace removed"); | 
 | testText("<div style='white-space:pre-line'>abc ", "abc", "Trailing whitespace removed"); | 
 | testText("<div style='white-space:pre-line'>abc  def", "abc def", "Internal whitespace collapsed"); | 
 | testText("<div style='white-space:pre-line'>abc\ndef", "abc\ndef", "\\n preserved"); | 
 | testText("<div style='white-space:pre-line'>abc\rdef", "abc\ndef", "\\r converted to newline"); | 
 | testText("<div style='white-space:pre-line'>abc\tdef", "abc def", "\\t converted to space"); | 
 |  | 
 | /**** Collapsing whitespace across element boundaries ****/ | 
 |  | 
 | testText("<div><span>abc </span> def", "abc def", "Whitespace collapses across element boundaries"); | 
 | testText("<div><span>abc </span><span></span> def", "abc def", "Whitespace collapses across element boundaries"); | 
 | testText("<div><span>abc </span><span style='white-space:pre'></span> def", "abc def", "Whitespace collapses across element boundaries"); | 
 |  | 
 | /**** Soft line breaks ****/ | 
 |  | 
 | testText("<div style='width:0'>abc def", "abc def", "Soft line breaks ignored"); | 
 |  | 
 | /**** first-line/first-letter ****/ | 
 |  | 
 | testText("<div class='first-line-uppercase' style='width:0'>abc def", "ABC def", "::first-line styles applied"); | 
 | testText("<div class='first-letter-uppercase' style='width:0'>abc def", "Abc def", "::first-letter styles applied"); | 
 | testText("<div class='first-letter-float' style='width:0'>abc def", "abc def", "::first-letter float ignored"); | 
 |  | 
 | /****   ****/ | 
 |  | 
 | testText("<div> ", "\xA0", "  preserved"); | 
 |  | 
 | /**** display:none ****/ | 
 |  | 
 | testText("<div style='display:none'>abc", "abc", "display:none container"); | 
 | testText("<div style='display:none'>abc  def", "abc  def", "No whitespace compression in display:none container"); | 
 | testText("<div style='display:none'> abc def ", " abc def ", "No removal of leading/trailing whitespace in display:none container"); | 
 | testText("<div>123<span style='display:none'>abc", "123", "display:none child not rendered"); | 
 |  | 
 | /**** display:contents ****/ | 
 |  | 
 | if (CSS.supports("display", "contents")) { | 
 |   testText("<div style='display:contents'>abc", "abc", "display:contents container"); | 
 |   testText("<div><div style='display:contents'>abc", "abc", "display:contents container"); | 
 |   testText("<div>123<span style='display:contents'>abc", "123abc", "display:contents rendered"); | 
 |   testText("<div>123<span style='display:contents'>abc", "123abc", "display:contents rendered"); | 
 |   testText("<div style='display:contents'>   ", "", "display:contents not processed via textContent"); | 
 |   testText("<div><div style='display:contents'>   ", "", "display:contents not processed via textContent"); | 
 | } | 
 |  | 
 | /**** visibility:hidden ****/ | 
 |  | 
 | testText("<div style='visibility:hidden'>abc", "", "visibility:hidden container"); | 
 | testText("<div>123<span style='visibility:hidden'>abc", "123", "visibility:hidden child not rendered"); | 
 | testText("<div style='visibility:hidden'>123<span style='visibility:visible'>abc", "abc", "visibility:visible child rendered"); | 
 |  | 
 | /**** visibility:collapse ****/ | 
 |  | 
 | testText("<table><tbody style='visibility:collapse'><tr><td>abc", "", "visibility:collapse row-group"); | 
 | testText("<table><tr style='visibility:collapse'><td>abc", "", "visibility:collapse row"); | 
 | testText("<table><tr><td style='visibility:collapse'>abc", "", "visibility:collapse cell"); | 
 | testText("<table><tbody style='visibility:collapse'><tr><td style='visibility:visible'>abc", "abc", | 
 |          "visibility:collapse row-group with visible cell"); | 
 | testText("<table><tr style='visibility:collapse'><td style='visibility:visible'>abc", "abc", | 
 |          "visibility:collapse row with visible cell"); | 
 | testText("<div style='display:flex'><span style='visibility:collapse'>1</span><span>2</span></div>", | 
 |          "2", "visibility:collapse honored on flex item"); | 
 | testText("<div style='display:grid'><span style='visibility:collapse'>1</span><span>2</span></div>", | 
 |          "2", "visibility:collapse honored on grid item"); | 
 |  | 
 | /**** opacity:0 ****/ | 
 |  | 
 | testText("<div style='opacity:0'>abc", "abc", "opacity:0 container"); | 
 | testText("<div style='opacity:0'>abc  def", "abc def", "Whitespace compression in opacity:0 container"); | 
 | testText("<div style='opacity:0'> abc def ", "abc def", "Remove leading/trailing whitespace in opacity:0 container"); | 
 | testText("<div>123<span style='opacity:0'>abc", "123abc", "opacity:0 child rendered"); | 
 |  | 
 | /**** generated content ****/ | 
 |  | 
 | testText("<div class='before'>", "", "Generated content not included"); | 
 | testText("<div><div class='before'>", "", "Generated content on child not included"); | 
 |  | 
 | /**** innerText on replaced elements ****/ | 
 |  | 
 | testText("<button>abc", "abc", "<button> contents preserved"); | 
 | testText("<fieldset>abc", "abc", "<fieldset> contents preserved"); | 
 | testText("<fieldset><legend>abc", "abc", "<fieldset> <legend> contents preserved"); | 
 | testText("<input type='text' value='abc'>", "", "<input> contents ignored"); | 
 | testText("<textarea>abc", "", "<textarea> contents ignored"); | 
 | testText("<select size='1'><option>abc</option><option>def", "", "<select size='1'> contents ignored"); | 
 | testText("<select size='2'><option>abc</option><option>def", "", "<select size='2'> contents ignored"); | 
 | testText("<select size='1'><option id='target'>abc</option><option>def", "", "<select size='1'> contents ignored"); | 
 | testText("<select size='2'><option id='target'>abc</option><option>def", "", "<select size='2'> contents ignored"); | 
 | testText("<iframe>abc", "", "<iframe> contents ignored"); | 
 | testText("<iframe><div id='target'>abc", "", "<iframe> contents ignored"); | 
 | testText("<iframe src='data:text/html,abc'>", "","<iframe> subdocument ignored"); | 
 | testText("<audio style='display:block'>abc", "", "<audio> contents ignored"); | 
 | testText("<audio style='display:block'><source id='target' class='poke' style='display:block'>", "", "<audio> contents ignored"); | 
 | testText("<audio style='display:block'><source id='target' class='poke' style='display:none'>", "abc", "<audio> contents ok if display:none"); | 
 | testText("<video>abc", "", "<video> contents ignored"); | 
 | testText("<video style='display:block'><source id='target' class='poke' style='display:block'>", "", "<video> contents ignored"); | 
 | testText("<video style='display:block'><source id='target' class='poke' style='display:none'>", "abc", "<video> contents ok if display:none"); | 
 | testText("<canvas>abc", "", "<canvas> contents ignored"); | 
 | testText("<canvas><div id='target'>abc", "", "<canvas><div id='target'> contents ignored"); | 
 | testText("<img alt='abc'>", "", "<img> alt text ignored"); | 
 | testText("<img src='about:blank' class='poke'>", "", "<img> contents ignored"); | 
 |  | 
 | /**** innerText on replaced element children ****/ | 
 |  | 
 | testText("<div><button>abc", "abc", "<button> contents preserved"); | 
 | testText("<div><fieldset>abc", "abc", "<fieldset> contents preserved"); | 
 | testText("<div><fieldset><legend>abc", "abc", "<fieldset> <legend> contents preserved"); | 
 | testText("<div><input type='text' value='abc'>", "", "<input> contents ignored"); | 
 | testText("<div><textarea>abc", "", "<textarea> contents ignored"); | 
 | testText("<div><select size='1'><option>abc</option><option>def", "", "<select size='1'> contents ignored"); | 
 | testText("<div><select size='2'><option>abc</option><option>def", "", "<select size='2'> contents ignored"); | 
 | testText("<div><iframe>abc", "", "<iframe> contents ignored"); | 
 | testText("<div><iframe src='data:text/html,abc'>", ""," <iframe> subdocument ignored"); | 
 | testText("<div><audio>abc", "", "<audio> contents ignored"); | 
 | testText("<div><video>abc", "", "<video> contents ignored"); | 
 | testText("<div><canvas>abc", "", "<canvas> contents ignored"); | 
 | testText("<div><img alt='abc'>", "", "<img> alt text ignored"); | 
 |  | 
 | /**** Lines around blocks ****/ | 
 |  | 
 | testText("<div>123<div>abc</div>def", "123\nabc\ndef", "Newline at block boundary"); | 
 | testText("<div>123<span style='display:block'>abc</span>def", "123\nabc\ndef", "Newline at display:block boundary"); | 
 | testText("<div>abc<div></div>def", "abc\ndef", "Empty block induces single line break"); | 
 | testText("<div>abc<div></div><div></div>def", "abc\ndef", "Consecutive empty blocks ignored"); | 
 | testText("<div><p>abc", "abc", "No blank lines around <p> alone"); | 
 | testText("<div><p>abc</p> ", "abc", "No blank lines around <p> followed by only collapsible whitespace"); | 
 | testText("<div> <p>abc</p>", "abc", "No blank lines around <p> preceded by only collapsible whitespace"); | 
 | testText("<div><p>abc<p>def", "abc\n\ndef", "Blank line between consecutive <p>s"); | 
 | testText("<div><p>abc</p> <p>def", "abc\n\ndef", "Blank line between consecutive <p>s separated only by collapsible whitespace"); | 
 | testText("<div><p>abc</p><div></div><p>def", "abc\n\ndef", "Blank line between consecutive <p>s separated only by empty block"); | 
 | testText("<div><p>abc</p><div>123</div><p>def", "abc\n\n123\n\ndef", "Blank lines between <p>s separated by non-empty block"); | 
 | testText("<div>abc<div><p>123</p></div>def", "abc\n\n123\n\ndef", "Blank lines around a <p> in its own block"); | 
 | testText("<div>abc<p>def", "abc\n\ndef", "Blank line before <p>"); | 
 | testText("<div><p>abc</p>def", "abc\n\ndef", "Blank line after <p>"); | 
 | testText("<div><p>abc<p></p><p></p><p>def", "abc\n\ndef", "One blank line between <p>s, ignoring empty <p>s"); | 
 | testText("<div style='visibility:hidden'><p><span style='visibility:visible'>abc</span></p>\n<div style='visibility:visible'>def</div>", | 
 |      "abc\ndef", "Invisible <p> doesn't induce extra line breaks"); | 
 | testText("<div>abc<div style='margin:2em'>def", "abc\ndef", "No blank lines around <div> with margin"); | 
 | testText("<div>123<span style='display:inline-block'>abc</span>def", "123abcdef", "No newlines at display:inline-block boundary"); | 
 | testText("<div>123<span style='display:inline-block'> abc </span>def", "123abcdef", "Leading/trailing space removal at display:inline-block boundary"); | 
 |  | 
 | /**** Spans ****/ | 
 |  | 
 | testText("<div>123<span>abc</span>def", "123abcdef", "<span> boundaries are irrelevant"); | 
 | testText("<div>123 <span>abc</span> def", "123 abc def", "<span> boundaries are irrelevant"); | 
 | testText("<div style='width:0'>123 <span>abc</span> def", "123 abc def", "<span> boundaries are irrelevant"); | 
 | testText("<div>123<em>abc</em>def", "123abcdef", "<em> gets no special treatment"); | 
 | testText("<div>123<b>abc</b>def", "123abcdef", "<b> gets no special treatment"); | 
 | testText("<div>123<i>abc</i>def", "123abcdef", "<i> gets no special treatment"); | 
 | testText("<div>123<strong>abc</strong>def", "123abcdef", "<strong> gets no special treatment"); | 
 | testText("<div>123<tt>abc</tt>def", "123abcdef", "<tt> gets no special treatment"); | 
 | testText("<div>123<code>abc</code>def", "123abcdef", "<code> gets no special treatment"); | 
 |  | 
 | /**** Soft hyphen ****/ | 
 |  | 
 | testText("<div>abc­def", "abc\xADdef", "soft hyphen preserved"); | 
 | testText("<div style='width:0'>abc­def", "abc\xADdef", "soft hyphen preserved"); | 
 |  | 
 | /**** Tables ****/ | 
 |  | 
 | testText("<div><table style='white-space:pre'>  <td>abc</td>  </table>", "abc", "Ignoring non-rendered table whitespace"); | 
 | testText("<div><table><tr><td>abc<td>def</table>", "abc\tdef", "Tab-separated table cells"); | 
 | testText("<div><table><tr><td>abc<td><td>def</table>", "abc\t\tdef", "Tab-separated table cells including empty cells"); | 
 | testText("<div><table><tr><td>abc<td><td></table>", "abc\t\t", "Tab-separated table cells including trailing empty cells"); | 
 | testText("<div><table><tr><td>abc<tr><td>def</table>", "abc\ndef", "Newline-separated table rows"); | 
 | testText("<div>abc<table><td>def</table>ghi", "abc\ndef\nghi", "Newlines around table"); | 
 | testText("<div><table style='border-collapse:collapse'><tr><td>abc<td>def</table>", "abc\tdef", | 
 |          "Tab-separated table cells in a border-collapse table"); | 
 | testText("<div><table><tfoot>x</tfoot><tbody>y</tbody></table>", "xy", "tfoot not reordered"); | 
 | testText("<table><tfoot><tr><td>footer</tfoot><thead><tr><td style='visibility:collapse'>thead</thead><tbody><tr><td>tbody</tbody></table>", | 
 |          "footer\n\ntbody", ""); | 
 |  | 
 | /**** Table captions ****/ | 
 |  | 
 | testText("<div><table><tr><td>abc<caption>def</caption></table>", "abc\ndef", "Newline between cells and caption"); | 
 |  | 
 | /**** display:table ****/ | 
 |  | 
 | testText("<div><div class='table'><span class='cell'>abc</span>\n<span class='cell'>def</span></div>", | 
 |          "abc\tdef", "Tab-separated table cells"); | 
 | testText("<div><div class='table'><span class='row'><span class='cell'>abc</span></span>\n<span class='row'><span class='cell'>def</span></span></div>", | 
 |          "abc\ndef", "Newline-separated table rows"); | 
 | testText("<div>abc<div class='table'><span class='cell'>def</span></div>ghi", "abc\ndef\nghi", "Newlines around table"); | 
 |  | 
 | /**** display:inline-table ****/ | 
 |  | 
 | testText("<div><div class='itable'><span class='cell'>abc</span>\n<span class='cell'>def</span></div>", "abc\tdef", "Tab-separated table cells"); | 
 | testText("<div><div class='itable'><span class='row'><span class='cell'>abc</span></span>\n<span class='row'><span class='cell'>def</span></span></div>", | 
 |          "abc\ndef", "Newline-separated table rows"); | 
 | testText("<div>abc<div class='itable'><span class='cell'>def</span></div>ghi", "abcdefghi", "No newlines around inline-table"); | 
 | testText("<div>abc<div class='itable'><span class='row'><span class='cell'>def</span></span>\n<span class='row'><span class='cell'>123</span></span></div>ghi", | 
 |          "abcdef\n123ghi", "Single newline in two-row inline-table"); | 
 |  | 
 | /**** Lists ****/ | 
 |  | 
 | testText("<div><ol><li>abc", "abc", "<ol> list items get no special treatment"); | 
 | testText("<div><ul><li>abc", "abc", "<ul> list items get no special treatment"); | 
 |  | 
 | /**** Misc elements ****/ | 
 |  | 
 | testText("<div><script style='display:block'>abc", "abc", "display:block <script> is rendered"); | 
 | testText("<div><style style='display:block'>abc", "abc", "display:block <style> is rendered"); | 
 | testText("<div><noscript style='display:block'>abc", "", "display:block <noscript> is not rendered (it's not parsed!)"); | 
 | testText("<div><template style='display:block'>abc", "", | 
 |          "display:block <template> contents are not rendered (the contents are in a different document)"); | 
 | testText("<div>abc<br>def", "abc\ndef", "<br> induces line break"); | 
 | testText("<div>abc<br>", "abc\n", "<br> induces line break even at end of block"); | 
 | testText("<div><br class='poke'>", "\n", "<br> content ignored"); | 
 | testText("<div>abc<hr>def", "abc\ndef", "<hr> induces line break"); | 
 | testText("<div>abc<hr><hr>def", "abc\ndef", "<hr><hr> induces just one line break"); | 
 | testText("<div>abc<hr><hr><hr>def", "abc\ndef", "<hr><hr><hr> induces just one line break"); | 
 | testText("<div><hr class='poke'>", "abc", "<hr> content rendered"); | 
 | testText("<div>abc<!--comment-->def", "abcdef", "comment ignored"); | 
 |  | 
 | /**** text-transform ****/ | 
 |  | 
 | testText("<div><div style='text-transform:uppercase'>abc", "ABC", "text-transform is applied"); | 
 |  | 
 | /**** block-in-inline ****/ | 
 |  | 
 | testText("<div>abc<span>123<div>456</div>789</span>def", "abc123\n456\n789def", "block-in-inline doesn't add unnecessary newlines"); | 
 |  | 
 | /**** floats ****/ | 
 |  | 
 | testText("<div>abc<div style='float:left'>123</div>def", "abc\n123\ndef", "floats induce a block boundary"); | 
 | testText("<div>abc<span style='float:left'>123</span>def", "abc\n123\ndef", "floats induce a block boundary"); | 
 |  | 
 | /**** position ****/ | 
 |  | 
 | testText("<div>abc<div style='position:absolute'>123</div>def", "abc\n123\ndef", "position:absolute induces a block boundary"); | 
 | testText("<div>abc<span style='position:absolute'>123</span>def", "abc\n123\ndef", "position:absolute induces a block boundary"); | 
 | testText("<div>abc<div style='position:relative'>123</div>def", "abc\n123\ndef", "position:relative has no effect"); | 
 | testText("<div>abc<span style='position:relative'>123</span>def", "abc123def", "position:relative has no effect"); | 
 |  | 
 | /**** text-overflow:ellipsis ****/ | 
 |  | 
 | testText("<div style='overflow:hidden'>abc", "abc", "overflow:hidden ignored"); | 
 | // XXX Chrome skips content with width:0 or height:0 and overflow:hidden; | 
 | // should we spec that? | 
 | testText("<div style='width:0; overflow:hidden'>abc", "abc", "overflow:hidden ignored even with zero width"); | 
 | testText("<div style='height:0; overflow:hidden'>abc", "abc", "overflow:hidden ignored even with zero height"); | 
 | testText("<div style='width:0; overflow:hidden; text-overflow:ellipsis'>abc", "abc", "text-overflow:ellipsis ignored"); | 
 |  | 
 | /**** Support on non-HTML elements ****/ | 
 |  | 
 | testText("<svg>abc", undefined, "innerText not supported on SVG elements"); | 
 | testText("<math>abc", undefined, "innerText not supported on MathML elements"); | 
 |  | 
 | /**** Ruby ****/ | 
 |  | 
 | testText("<div><ruby>abc<rp>(</rp><rt>def</rt><rp>)</rp></ruby>", "abc(def)", "<rp> rendered"); | 
 | testText("<div><rp>abc</rp>", "abc", "Lone <rp> rendered"); | 
 | testText("<div><rp style='visibility:hidden'>abc</rp>", "", "visibility:hidden <rp> not rendered"); | 
 | testText("<div><rp> abc </rp>", " abc ", "Lone <rp> rendered without whitespace trimming"); | 
 | testText("<div><rp style='display:block'>abc</rp>def", "abc\ndef", "display:block <rp> induces line breaks"); | 
 | testText("<div><rp style='display:block'> abc </rp>def", " abc \ndef", "display:block <rp> induces line breaks but doesn't trim whitespace"); | 
 | // XXX this is not desirable but the spec currently requires it. | 
 | testText("<div><select class='poke-rp'></select>", "abc", "<rp> in a replaced element still renders"); | 
 |  | 
 | /**** Shadow DOM ****/ | 
 |  | 
 | if ("createShadowRoot" in document.body) { | 
 |   testText("<div class='shadow'>", "", "Shadow DOM contents ignored"); | 
 |   testText("<div><div class='shadow'>", "", "Shadow DOM contents ignored"); | 
 | } | 
 |  | 
 | /**** Flexbox ****/ | 
 |  | 
 | if (CSS.supports('display', 'flex')) { | 
 |   testText("<div style='display:flex'><div style='order:1'>1</div><div>2</div></div>", | 
 |            "1\n2", "CSS 'order' property ignored"); | 
 |   testText("<div style='display:flex'><span>1</span><span>2</span></div>", | 
 |            "1\n2", "Flex items blockified"); | 
 | } | 
 |  | 
 | /**** Grid ****/ | 
 |  | 
 | if (CSS.supports('display', 'grid')) { | 
 |   testText("<div style='display:grid'><div style='order:1'>1</div><div>2</div></div>", | 
 |            "1\n2", "CSS 'order' property ignored"); | 
 |   testText("<div style='display:grid'><span>1</span><span>2</span></div>", | 
 |            "1\n2", "Grid items blockified"); | 
 | } |