<!DOCTYPE html> <meta charset="utf-8"> <script src="../../resources/testharness.js"></script> <script src="../../resources/testharnessreport.js"></script> <style> #container > div { line-height:2; margin-bottom:1em; font-family: "Kochi Mincho", "Heiti SC", "MS Mincho", serif; } </style> <div id="container"> <div title="ID+CL" style="width:2em;">あい)か</div> <div title="span+CL" style="width:2em;">あ<span>す</span>)か</div> <div title="ruby+CL" style="width:2em;">あ<ruby>べ<rt>る</rt></ruby>)か</div> <div title="OP+ID" style="width:2em;">あ(かき</div> <div title="OP+ruby" style="width:2em;">あ(<ruby>べ<rt>る</rt></ruby>か</div> <div title="OP+ruby+CL" style="width:3em;">あ(<ruby>べ<rt>る</rt></ruby>)か</div> <div title="OP+ruby+CL (overflow)" style="width:2em;">あ(<ruby>べ<rt>る</rt></ruby>)か</div> </div> <script> runTests(); function runTests() { var lineHeight = parseFloat(getComputedStyle(container.firstElementChild).lineHeight); Array.prototype.forEach.call(container.children, function (element) { test(function () { var lineCount = element.offsetHeight / lineHeight; assert_equals(lineCount, 3); }, element.title); }); if (window.testRunner) container.style.display = "none"; } </script>