Blitz - WPT: margin-percentage-inherit-001.xht

wpt / css / CSS2 / margin-padding-clear / margin-percentage-inherit-001.xht

/css/CSS2/margin-padding-clear/margin-percentage-inherit-001.xht

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

 <head>

  <title>CSS Test: margin - inherit applied on margin percentage</title>

  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />
  <link rel="help" title="8.3 Margin properties" href="http://www.w3.org/TR/CSS21/box.html#margin-properties" />
  <link rel="help" title="6.2.1 The 'inherit' value" href="http://www.w3.org/TR/CSS21/cascade.html#value-def-inherit" />
  <link rel="help" href="http://www.w3.org/TR/css-cascade-3/#inherit" />
  <link rel="help" href="http://www.w3.org/TR/css-cascade-4/#inherit" />
  <link rel="match" href="margin-percentage-inherit-001-ref.xht" />

  <meta content="A margin percentage is calculated with respect to the width of the generated box's containing block. When inherit keyword is used, the property takes the same computed value - a percentage value in this testcase - as the property for the element's parent." name="assert" />
  <meta content="image" name="flags" />

  <style type="text/css"><![CDATA[
  body {margin: 8px;}

  p
  {
  font: 1em/1.25 serif;
  margin: 1em 0em;
  }

  div#grand-parent {width: 400px;}

  div#parent
  {
  background-color: green;
  border: white solid 3px;
  /*
  Such border prevents margin collapsing between
  #child's vertical margin and #parent's vertical margins
  */
  margin: 15%; /* 15% of 400px == 60px; */
  width: 200px;
  }

  div#child
  {
  margin: inherit;
  /*
  computes to 15% which is then applied on #child's
  containing block width: 15% of 200px == 30px
  */
  }

  div#abs-pos-overlapping-green
  {
  left: 101px;
  position: absolute;
  top: 149px;
  }

  /*
       8px (body's margin-left)
   +  60px (#parent's margin-left)
   +   3px (#parent's border-left)
   +  30px (#child's margin-left)
  ==================
     101px
  */

  /*
      16px (max(8px, 16px): body's margin-top collapses with p's margin-top)
  +   20px (first line)
  +   20px (second line)
  +   60px (max(16px, 60px): p's margin-bottom collapses with #parent's margin-top)
  +    3px (#parent's border-top)
  +   30px (#child's margin-top)
  ==================
     149px
  */
  ]]></style>

 </head>

 <body>

  <p>Test passes if there is a filled green<br />
  rectangle and if there is no red.</p>

  <div id="grand-parent">
    <div id="parent">
      <div id="child"><img src="support/100x100-red.png" alt="Image download support must be enabled" /></div>
    </div>
  </div>

  <div id="abs-pos-overlapping-green"><img src="support/swatch-green.png" width="100" height="100" alt="Image download support must be enabled" /></div>

 </body>
</html>

/css/CSS2/margin-padding-clear/margin-percentage-inherit-001-ref.xht

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">

<html xmlns="http://www.w3.org/1999/xhtml">

 <head>

  <title>CSS Reftest Reference</title>

  <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/" />

  <style type="text/css"><![CDATA[
  body {margin: 8px;}

  p
  {
  font: 1em/1.25 serif;
  margin: 1em 0em;
  }

  div
  {
  background-color: green;
  height: 164px;
  left: 63px;
  position: relative;
  top: 47px;
  width: 200px;
  }
  ]]></style>

 </head>

 <body>

  <p>Test passes if there is a filled green<br />
  rectangle and if there is no red.</p>

  <div></div>

 </body>
</html>