chromium/third_party/blink/web_tests/transitions/cubic-bezier-overflow-color.html

<!doctype html>
<html>
  <head>
    <title>cubic-bezier value overflow: Colors</title>
    <style>
      .box {
        position: relative;
        left: 0;
        height: 100px;
        width: 100px;
        margin: 10px;
        background-color: #404040;
        transition: background-color 1s linear;
      }
      .animating > .box {
        background-color: #C0C0C0;
      }
      .animating > .box.colored {
        background-color: papayawhip;
      }
    </style>
    <script src="../animations/resources/animation-test-helpers.js"></script>
    <script>
      const expectedValues = [
        // [time, element-id, property, expected-value, tolerance]
        [0.50, "box1", "background-color", [220, 220, 220], 10],
        [0.95, "box1", "background-color", [207, 207, 207], 10],
        [0.10, "box2", "background-color", [45, 45, 45], 15],
        [0.50, "box2", "background-color", [106, 106, 106], 15],
        [0.95, "box2", "background-color", [204, 204, 204], 15],
        [0.10, "box3", "background-color", [0, 2, 11], 15],
        [0.50, "box3", "background-color", [0, 0, 0], 0],
        [0.15, "box4", "background-color", [255, 255, 255], 0],
        [0.50, "box4", "background-color", [166, 155, 140], 15],
        [0.80, "box4", "background-color", [17, 22, 28], 15],
      ];

      function setupTest() {
        document.getElementById('container').className = 'animating';
      }

      runTransitionTest(expectedValues, setupTest);
    </script>
  </head>
  <body>
    <div id="container">
      <div class="box" id="box1" style="transition-timing-function: cubic-bezier(0.3, 1.5, 0.8, 1.5);"></div>
      <div class="box" id="box2" style="transition-timing-function: cubic-bezier(0.4, -0.8, 0.7, 1.7);"></div>
      <div class="box colored" id="box3" style="transition-timing-function: cubic-bezier(0.7, -2, 1, -1.5);"></div>
      <div class="box colored" id="box4" style="transition-timing-function: cubic-bezier(0, 4, 1, -3);"></div>
    </div>
    <div id="result"></div>
  </body>
</html>