Import web-platform-tests@028d354aba4c8ee6700def957a45f3927241d8b0

third_party/WebKit/LayoutTests/imported/web-platform-tests/web-animations/resources/effect-easing-tests.js

+var gEffectEasingTests = [
+  {
+    desc: 'steps(start) function',
+    easing: 'steps(2, start)',
+    easingFunction: stepStart(2)
+  },
+  {
+    desc: 'steps(end) function',
+    easing: 'steps(2, end)',
+    easingFunction: stepEnd(2)
+  },
+  {
+    desc: 'linear function',
+    easing: 'linear', // cubic-bezier(0, 0, 1.0, 1.0)
+    easingFunction: cubicBezier(0, 0, 1.0, 1.0)
+  },
+  {
+    desc: 'ease function',
+    easing: 'ease', // cubic-bezier(0.25, 0.1, 0.25, 1.0)
+    easingFunction: cubicBezier(0.25, 0.1, 0.25, 1.0)
+  },
+  {
+    desc: 'ease-in function',
+    easing: 'ease-in', // cubic-bezier(0.42, 0, 1.0, 1.0)
+    easingFunction: cubicBezier(0.42, 0, 1.0, 1.0)
+  },
+  {
+    desc: 'ease-in-out function',
+    easing: 'ease-in-out', // cubic-bezier(0.42, 0, 0.58, 1.0)
+    easingFunction: cubicBezier(0.42, 0, 0.58, 1.0)
+  },
+  {
+    desc: 'ease-out function',
+    easing: 'ease-out', // cubic-bezier(0, 0, 0.58, 1.0)
+    easingFunction: cubicBezier(0, 0, 0.58, 1.0)
+  },
+  {
+    desc: 'easing function which produces values greater than 1',
+    easing: 'cubic-bezier(0, 1.5, 1, 1.5)',
+    easingFunction: cubicBezier(0, 1.5, 1, 1.5)
+  }
+];