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/third_party/blink/web_tests/wpt_internal/css/css-overflow/scrollbar-gutter-003.html

https://github.com/chromium/chromium
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Possible License(s): MPL-2.0-no-copyleft-exception, Apache-2.0, BSD-3-Clause 
    

  1. <!doctype html>
    2. 

  2. <meta charset="utf-8">
    3. 

  3. <title>CSS Overflow: test scrollbar-gutter: stable both-edges (classic scrollbars, horizontal text)</title>
    4. 

  4. <link rel="author" title="Felipe Erias Morandeira" href="mailto:felipeerias@gmail.com"/>
    5. 

  5. <link rel="help" href="https://www.w3.org/TR/css-overflow-4/#scollbar-gutter-property"/>
    6. 

  6. <meta name="assert" content="Test scrollbar-gutter: stable with custom classic scrollbars">
    7. 

  7. <script src="/resources/testharness.js"></script>
    8. 

  8. <script src="/resources/testharnessreport.js"></script>
    9. 

  9. <script src="/css/support/parsing-testcommon.js"></script>
    10. 

  10. <style>
    11. 

  11. 

  12.     .container {
    13. 

  13.         scrollbar-gutter: stable both-edges;
    14. 

  14.         writing-mode: horizontal-tb;
    15. 

  15.         overflow-x: auto;
    16. 

  16.         height: 200px;
    17. 

  17.         width: 200px;
    18. 

  18.         margin: 1px;
    19. 

  19.         padding: 0px;
    20. 

  20.         border: none;
    21. 

  21.         background: deepskyblue;
    22. 

  22.     }
    23. 

  23. 

  24.     .content {
    25. 

  25.         height: 100%;
    26. 

  26.         width: 100%;
    27. 

  27.         background: lightsalmon;
    28. 

  28.     }
    29. 

  29. 

  30.     /* ensure that we are using classic scrollbars with a known thickness */
    31. 

  31.     .classic::-webkit-scrollbar {
    32. 

  32.         width: 20px;
    33. 

  33.         height: 20px;
    34. 

  34.     }
    35. 

  35.     .classic::-webkit-scrollbar-track {
    36. 

  36.         background-color: hsla(0, 0%, 40%, 0.4);
    37. 

  37.     }
    38. 

  38.     .classic::-webkit-scrollbar-thumb {
    39. 

  39.         background-color: hsla(0, 0%, 20%, 0.8);
    40. 

  40.         border-radius: 10px;
    41. 

  41.     }
    42. 

  42. 

  43.     /* writing directions */
    44. 

  44.     .ltr {
    45. 

  45.         direction: ltr;
    46. 

  46.     }
    47. 

  47.     .rtl   {
    48. 

  48.         direction: rtl;
    49. 

  49.     }
    50. 

  50. 

  51.     /* overflow on the block direction */
    52. 

  52.     .container.auto    { overflow-y: auto;    }
    53. 

  53.     .container.scroll  { overflow-y: scroll;  }
    54. 

  54.     .container.visible { overflow:   visible; }
    55. 

  55.     .container.hidden  { overflow-y: hidden;  }
    56. 

  56. 

  57.     /* Note: not testing with overflow: clip; */
    58. 

  58. 

  59. </style>
    60. 

  60. <script type="text/javascript">
    61. 

  61. 

  62.     function performTest() {
    63. 

  63.         setup({explicit_done: true});
    64. 

  64. 

  65.         // ltr
    66. 

  66. 

  67.         test(function() {
    68. 

  68.             let container = document.getElementById('container_auto_ltr');
    69. 

  69.             let content = document.getElementById('content_auto_ltr');
    70. 

  70.           assert_equals(container.scrollWidth, 160, "auto/stable both-edges scrollWidth");
    71. 

  71.           assert_equals(container.clientWidth, 160, "auto/stable both-edges clientWidth");
    72. 

  72.           assert_equals(container.offsetLeft, content.offsetLeft - 20, "auto/stable both-edges offsetLeft");
    73. 

  73.           assert_equals(container.clientWidth, content.clientWidth, "auto/stable both-edges clientWidth");
    74. 

  74.           assert_not_equals(container.offsetWidth, content.offsetWidth, "auto/stable both-edges offsetWidth");
    75. 

  75.         }, "overflow auto, scrollbar-gutter stable both-edges, horizontal-tb, ltr");
    76. 

  76. 

  77.         test(function() {
    78. 

  78.             let container = document.getElementById('container_scroll_ltr');
    79. 

  79.             let content = document.getElementById('content_scroll_ltr');
    80. 

  80.           assert_equals(container.scrollWidth, 160, "scroll/stable both-edges scrollWidth");
    81. 

  81.           assert_equals(container.clientWidth, 160, "scroll/stable both-edges clientWidth");
    82. 

  82.           assert_equals(container.offsetLeft, content.offsetLeft - 20, "scroll/stable both-edges offsetLeft");
    83. 

  83.           assert_equals(container.clientWidth, content.clientWidth, "scroll/stable both-edges clientWidth");
    84. 

  84.           assert_not_equals(container.offsetWidth, content.offsetWidth, "scroll/stable both-edges offsetWidth");
    85. 

  85.         }, "overflow scroll, scrollbar-gutter stable both-edges, horizontal-tb, ltr");
    86. 

  86. 

  87.         test(function() {
    88. 

  88.             let container = document.getElementById('container_visible_ltr');
    89. 

  89.             let content = document.getElementById('content_visible_ltr');
    90. 

  90.           assert_equals(container.scrollWidth, 200, "visible/stable both-edges scrollWidth");
    91. 

  91.           assert_equals(container.clientWidth, 200, "visible/stable both-edges clientWidth");
    92. 

  92.           assert_equals(container.offsetLeft, content.offsetLeft, "visible/stable both-edges offsetLeft");
    93. 

  93.           assert_equals(container.clientWidth, content.clientWidth, "visible/stable both-edges clientWidth");
    94. 

  94.           assert_equals(container.offsetWidth, content.offsetWidth, "visible/stable both-edges offsetWidth");
    95. 

  95.         }, "overflow visible, scrollbar-gutter stable both-edges, horizontal-tb, ltr");
    96. 

  96. 

  97.         test(function() {
    98. 

  98.             let container = document.getElementById('container_hidden_ltr');
    99. 

  99.             let content = document.getElementById('content_hidden_ltr');
    100. 

  100.           assert_equals(container.scrollWidth, 160, "hidden/stable both-edges scrollWidth");
    101. 

  101.           assert_equals(container.clientWidth, 160, "hidden/stable both-edges clientWidth");
    102. 

  102.           assert_equals(container.offsetLeft, content.offsetLeft - 20, "hidden/stable both-edges offsetLeft");
    103. 

  103.           assert_equals(container.clientWidth, content.clientWidth, "hidden/stable both-edges clientWidth");
    104. 

  104.           assert_not_equals(container.offsetWidth, content.offsetWidth, "hidden/stable both-edges offsetWidth");
    105. 

  105.         }, "overflow hidden, scrollbar-gutter stable both-edges, horizontal-tb, ltr");
    106. 

  106. 

  107.         // rtl
    108. 

  108. 

  109.         test(function() {
    110. 

  110.             let container = document.getElementById('container_auto_rtl');
    111. 

  111.             let content = document.getElementById('content_auto_rtl');
    112. 

  112.           assert_equals(container.scrollWidth, 160, "auto/stable both-edges scrollWidth");
    113. 

  113.           assert_equals(container.clientWidth, 160, "auto/stable both-edges clientWidth");
    114. 

  114.           assert_equals(container.offsetLeft, content.offsetLeft - 20, "auto/stable both-edges offsetLeft");
    115. 

  115.           assert_equals(container.clientWidth, content.clientWidth, "auto/stable both-edges clientWidth");
    116. 

  116.           assert_not_equals(container.offsetWidth, content.offsetWidth, "auto/stable both-edges offsetWidth");
    117. 

  117.         }, "overflow auto, scrollbar-gutter stable both-edges, horizontal-tb, rtl");
    118. 

  118. 

  119.         test(function() {
    120. 

  120.             let container = document.getElementById('container_scroll_rtl');
    121. 

  121.             let content = document.getElementById('content_scroll_rtl');
    122. 

  122.           assert_equals(container.scrollWidth, 160, "scroll/stable both-edges scrollWidth");
    123. 

  123.           assert_equals(container.clientWidth, 160, "scroll/stable both-edges clientWidth");
    124. 

  124.           assert_equals(container.offsetLeft, content.offsetLeft - 20, "scroll/stable both-edges offsetLeft");
    125. 

  125.           assert_equals(container.clientWidth, content.clientWidth, "scroll/stable both-edges clientWidth");
    126. 

  126.           assert_not_equals(container.offsetWidth, content.offsetWidth, "scroll/stable both-edges offsetWidth");
    127. 

  127.         }, "overflow scroll, scrollbar-gutter stable both-edges, horizontal-tb, rtl");
    128. 

  128. 

  129.         test(function() {
    130. 

  130.             let container = document.getElementById('container_visible_rtl');
    131. 

  131.             let content = document.getElementById('content_visible_rtl');
    132. 

  132.           assert_equals(container.scrollWidth, 200, "visible/stable both-edges scrollWidth");
    133. 

  133.           assert_equals(container.clientWidth, 200, "visible/stable both-edges clientWidth");
    134. 

  134.           assert_equals(container.offsetLeft, content.offsetLeft, "visible/stable both-edges offsetLeft");
    135. 

  135.           assert_equals(container.clientWidth, content.clientWidth, "visible/stable both-edges clientWidth");
    136. 

  136.           assert_equals(container.offsetWidth, content.offsetWidth, "visible/stable both-edges offsetWidth");
    137. 

  137.         }, "overflow visible, scrollbar-gutter stable both-edges, horizontal-tb, rtl");
    138. 

  138. 

  139.         test(function() {
    140. 

  140.             let container = document.getElementById('container_hidden_rtl');
    141. 

  141.             let content = document.getElementById('content_hidden_rtl');
    142. 

  142.           assert_equals(container.scrollWidth, 160, "hidden/stable both-edges scrollWidth");
    143. 

  143.           assert_equals(container.clientWidth, 160, "hidden/stable both-edges clientWidth");
    144. 

  144.           assert_equals(container.offsetLeft, content.offsetLeft - 20, "hidden/stable both-edges offsetLeft");
    145. 

  145.           assert_equals(container.clientWidth, content.clientWidth, "hidden/stable both-edges clientWidth");
    146. 

  146.           assert_not_equals(container.offsetWidth, content.offsetWidth, "hidden/stable both-edges offsetWidth");
    147. 

  147.         }, "overflow hidden, scrollbar-gutter stable both-edges, horizontal-tb, rtl");
    148. 

  148. 

  149.         done();
    150. 

  150.     }
    151. 

  151. 

  152. </script>
    153. 

  153. <body onload="performTest()">
    154. 

  154. 

  155.     Test scrollbar-gutter: stable both-edges, direction: ltr
    156. 

  156. 

  157.     <div class="container classic ltr auto" id="container_auto_ltr">
    158. 

  158.         <div class="content" id="content_auto_ltr">overflow-y: auto</div>
    159. 

  159.     </div>
    160. 

  160. 

  161.     <div class="container classic ltr scroll" id="container_scroll_ltr">
    162. 

  162.         <div class="content" id="content_scroll_ltr">overflow-y: scroll</div>
    163. 

  163.     </div>
    164. 

  164. 

  165.     <div class="container classic ltr visible" id="container_visible_ltr">
    166. 

  166.         <div class="content" id="content_visible_ltr">overflow: visible</div>
    167. 

  167.     </div>
    168. 

  168. 

  169.     <div class="container classic ltr hidden" id="container_hidden_ltr">
    170. 

  170.         <div class="content" id="content_hidden_ltr">overflow-y: hidden</div>
    171. 

  171.     </div>
    172. 

  172. 

  173.     direction: rtl
    174. 

  174. 

  175.     <div class="container classic rtl auto" id="container_auto_rtl">
    176. 

  176.         <div class="content" id="content_auto_rtl">overflow-x: auto</div>
    177. 

  177.     </div>
    178. 

  178. 

  179.     <div class="container classic rtl scroll" id="container_scroll_rtl">
    180. 

  180.         <div class="content" id="content_scroll_rtl">overflow-x: scroll</div>
    181. 

  181.     </div>
    182. 

  182. 

  183.     <div class="container classic rtl visible" id="container_visible_rtl">
    184. 

  184.         <div class="content" id="content_visible_rtl">overflow: visible</div>
    185. 

  185.     </div>
    186. 

  186. 

  187.     <div class="container classic rtl hidden" id="container_hidden_rtl">
    188. 

  188.         <div class="content" id="content_hidden_rtl">overflow-x: hidden</div>
    189. 

  189.     </div>
    190. 

  190. 

  191. </body>
    192. 

  192.