LayoutTests/imported/w3c/web-platform-tests/css/css-contain/contain-paint-clip-011.html

   1 <!DOCTYPE html>
   2
   3   <meta charset="UTF-8">
   4
   5   <title>CSS Containment Test: 'contain: paint' and clipping descendants at padding edge</title>
   6
   7   <link rel="author" title="Gérard Talbot" href="http://www.gtalbot.org/BrowserBugsSection/css21testsuite/">
   8   <link rel="help" href="https://www.w3.org/TR/css-contain-1/#containment-paint">
   9   <link rel="match" href="../reference/ref-filled-green-100px-square.xht">
  10
  11   <meta content="This test checks that the paint of the descendant (a red square image) and its geometry is clipped to the padding edge of the element's principal box." name="assert">
  12
  13   <!--
  14
  15   contain-paint-clip-011: content overflows horizontally, principal box has no padding
  16
  17   contain-paint-clip-012: content overflows vertically, principal box has no padding
  18
  19   contain-paint-clip-013: content overflows horizontally, principal box has horizontal padding
  20
  21   contain-paint-clip-014: content overflows vertically, principal box has vertical padding
  22
  23   contain-paint-clip-015: content overflow horizontally, principal box has horizontal padding and corner clipping is involved
  24
  25   contain-paint-clip-016: content overflow vertically, principal box has vertical padding and corner clipping is involved
  26
  27   contain-paint-clip-017: principal box has horizontal and vertical padding, generated ::before content is inside top-right corner
  28
  29   contain-paint-clip-018: principal box has horizontal and vertical padding, generated ::after content is inside top-left corner
  30
  31   -->
  32
  33
  34   <style>
  35   div
  36     {
  37       width: 100px;
  38     }
  39
  40   div#red-overlapped-test
  41     {
  42       background-color: red;
  43       contain: paint;
  44     }
  45
  46   img
  47     {
  48       vertical-align: bottom;
  49     }
  50
  51   div#green-overlapping-reference
  52     {
  53       background-color: green;
  54       bottom: 100px;
  55       height: 100px;
  56       position: relative;
  57     }
  58   </style>
  59
  60   <p>Test passes if there is a filled green square and <strong>no red</strong>.
  61
  62   <div id="red-overlapped-test"><img src="support/swatch-red.png" width="200" height="100" alt="Image download support must be enabled"></div>
  63
  64   <div id="green-overlapping-reference"></div>