third_party/WebKit/LayoutTests/fast/css/scroll-snap-parsing.html

   1 <!DOCTYPE html>
   2 <script src="../../resources/js-test.js"></script>
   3 <style>
   4 div#container {
   5         scroll-snap-type: mandatory;
   6         scroll-snap-points-x: repeat(20%);
   7         scroll-snap-points-y: repeat(20%);
   8         scroll-snap-destination: 20px 20px;
   9         scroll-snap-coordinate: 10px 10px;
  10 }
  11 </style>
  12
  13 <!-- test initial and inherited values first -->
  14 <div id="container">
  15         <div class="test" property="scroll-snap-type" style="scroll-snap-type: inherit;" expected="mandatory" desc="inherited type" ></div>
  16         <div class="test" property="scroll-snap-type" style="scroll-snap-type: initial;" expected="none" desc="initial type" ></div>
  17         <div class="test" property="scroll-snap-points-x" style="scroll-snap-points-x: inherit;" expected="repeat(20%)" desc="inherited points-x" ></div>
  18         <div class="test" property="scroll-snap-points-x" style="scroll-snap-points-x: initial;" expected="none" desc="initial points-x" ></div>
  19         <div class="test" property="scroll-snap-points-y" style="scroll-snap-points-y: inherit;" expected="repeat(20%)" desc="inherited points-y" ></div>
  20         <div class="test" property="scroll-snap-points-y" style="scroll-snap-points-y: initial;" expected="none" desc="initial points-y" ></div>
  21         <div class="test" property="scroll-snap-destination" style="scroll-snap-destination: inherit;" expected="20px 20px" desc="inherited destination" ></div>
  22         <div class="test" property="scroll-snap-destination" style="scroll-snap-destination: initial;" expected="0px 0px" desc="initial destination" ></div>
  23         <div class="test" property="scroll-snap-coordinate" style="scroll-snap-coordinate: inherit;" expected="10px 10px" desc="inherited coordinate" ></div>
  24         <div class="test" property="scroll-snap-coordinate" style="scroll-snap-coordinate: initial;" expected="none" desc="initial coordinate" ></div>
  25 </div>
  26
  27 <div class="test" property="scroll-snap-type" style="scroll-snap-type: mandatory;" expected="mandatory" desc="mandatory type" ></div>
  28 <div class="test" property="scroll-snap-type" style="scroll-snap-type: proximity;" expected="proximity" desc="proximity type" ></div>
  29 <div class="test" property="scroll-snap-type" style="scroll-snap-type: none;" expected="none" desc="none type" ></div>
  30
  31 <div class="test" property="scroll-snap-points-x" style="scroll-snap-points-x: repeat(100%);" expected="repeat(100%)" desc="percentage points repeat along x axis" ></div>
  32 <div class="test" property="scroll-snap-points-x" style="scroll-snap-points-x: repeat(25px);" expected="repeat(25px)" desc="pixel points repeat along x axis" ></div>
  33 <div class="test" property="scroll-snap-points-y" style="scroll-snap-points-y: repeat(100%);" expected="repeat(100%)" desc="percentage points repeat along y axis" ></div>
  34 <div class="test" property="scroll-snap-points-y" style="scroll-snap-points-y: repeat(25px);" expected="repeat(25px)" desc="pixel points repeat along y axis" ></div>
  35 <div class="test" property="scroll-snap-points-y" style="scroll-snap-points-y: repeat(calc(25px + 1%));" expected="repeat(calc(25px + 1%))" desc="calc repeat along y axis" ></div>
  36 <div class="test" property="scroll-snap-points-y" style="scroll-snap-points-x: repeat(0px);" expected="none" desc="reject zero" ></div>
  37 <div class="test" property="scroll-snap-points-y" style="scroll-snap-points-y: repeat(-1px);" expected="none" desc="reject negative" ></div>
  38
  39
  40
  41 <div class="test" property="scroll-snap-destination" style="scroll-snap-destination: 10px 50px;" expected="10px 50px" desc="pixel/pixel destination" ></div>
  42 <div class="test" property="scroll-snap-destination" style="scroll-snap-destination: 20px 40%;" expected="20px 40%" desc="pixel/percentage destination" ></div>
  43 <div class="test" property="scroll-snap-destination" style="scroll-snap-destination: 0 10px;" expected="0px 10px" desc="unitless/pixel destination" ></div>
  44 <div class="test" property="scroll-snap-destination" style="scroll-snap-destination: 0% 0px;" expected="0% 0px" desc="percentage/pixel destination" ></div>
  45 <div class="test" property="scroll-snap-destination" style="scroll-snap-destination: 5% 100%;" expected="5% 100%" desc="percentage/percentage destination" ></div>
  46 <div class="test" property="scroll-snap-destination" style="scroll-snap-destination: calc(10% + 20px) 40%;" expected="calc(20px + 10%) 40%" desc="calc/percentage destination" ></div>
  47
  48 <div class="test" property="scroll-snap-destination" style="scroll-snap-destination: left top 50%;" expected="0% 50%" desc="3 piece percentage destination" ></div>
  49 <div class="test" property="scroll-snap-destination" style="scroll-snap-destination: top;" expected="50% 0%" desc="1 piece destination with implied center" ></div>
  50
  51 <div class="test" property="scroll-snap-coordinate" style="scroll-snap-coordinate: 50px 100px;" expected="50px 100px" desc="single pixel coordinate" ></div>
  52 <div class="test" property="scroll-snap-coordinate" style="scroll-snap-coordinate: 50% 100%;" expected="50% 100%" desc="single percentage coordinate" ></div>
  53 <div class="test" property="scroll-snap-coordinate" style="scroll-snap-coordinate: left top 50%;" expected="0% 50%" desc="3 piece percentage coordinate" ></div>
  54 <div class="test" property="scroll-snap-coordinate" style="scroll-snap-coordinate: left 10px top 15px;" expected="10px 15px" desc="4 piece pixel coordinate" ></div>
  55 <div class="test" property="scroll-snap-coordinate" style="scroll-snap-coordinate: left;" expected="0% 50%" desc="1 piece coordinate with implied center" ></div>
  56
  57 <div class="test" property="scroll-snap-coordinate" style="scroll-snap-coordinate: 50px 100px, 150px 100px, left 200px top 100px;" expected="50px 100px, 150px 100px, 200px 100px" desc="multiple pixel coordinates" ></div>
  58 <div class="test" property="scroll-snap-coordinate" style="scroll-snap-coordinate: 50% 100%, left top 100%, 200% 100%;" expected="50% 100%, 0% 100%, 200% 100%" desc="multiple percentage coordinates" ></div>
  59 <div class="test" property="scroll-snap-coordinate" style="scroll-snap-coordinate: calc(10% + 100px) 100%, 150%, 200px calc(5% + 10px);" expected="calc(100px + 10%) 100%, 150% 50%, 200px calc(10px + 5%)" desc="multiple mixed pixel/percentage/calc coordinates" ></div>
  60 <div class="test" property="scroll-snap-coordinate" style="scroll-snap-coordinate: 50px 100px, junk;" expected="none" desc="reject invalid position list" ></div>
  61 <div class="test" property="scroll-snap-coordinate" style="scroll-snap-coordinate: 50px 100px / 1px 1px;" expected="none" desc="reject invalid position separator" ></div>
  62 <div class="test" property="scroll-snap-coordinate" style="scroll-snap-coordinate: 50px 100px,;" expected="none" desc="reject invalid position with terminating comma" ></div>
  63
  64
  65 <script>
  66 description("Test the parsing and application of the scroll-snap-* properties.");
  67
  68 var tests = document.querySelectorAll('.test');
  69 var style;
  70 for (var i = 0; i < tests.length; i++) {
  71   debug('Test case: ' + tests[i].attributes.desc.value);
  72   var property = camelCase(tests[i].attributes.property.value);
  73   style = window.getComputedStyle(tests[i]);
  74   shouldBeEqualToString('style.' + property, tests[i].attributes.expected.value);
  75   debug('');
  76 }
  77
  78 function camelCase(str) {
  79   return str.replace(/-([a-z])/g, function (m, w) {
  80     return w.toUpperCase();
  81   });
  82 }
  83 </script>