| Index: third_party/WebKit/LayoutTests/fast/scroll-behavior/smooth-scroll/mousewheel-scroll.html
|
| diff --git a/third_party/WebKit/LayoutTests/fast/scroll-behavior/smooth-scroll/mousewheel-scroll.html b/third_party/WebKit/LayoutTests/fast/scroll-behavior/smooth-scroll/mousewheel-scroll.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..702dbf148ac7116b0dac2896aac2bf5a3e1bed4f
|
| --- /dev/null
|
| +++ b/third_party/WebKit/LayoutTests/fast/scroll-behavior/smooth-scroll/mousewheel-scroll.html
|
| @@ -0,0 +1,46 @@
|
| +<!DOCTYPE html>
|
| +<script src="../../../resources/js-test.js"></script>
|
| +<style>
|
| + body {
|
| + height: 2000px;
|
| + width: 2000px;
|
| + }
|
| +</style>
|
| +
|
| +<script>
|
| + window.jsTestIsAsync = true;
|
| +
|
| + description("This test ensures that consecutive mouse wheel ticks scroll\
|
| + to the right offset. The main purpose of this test is to ensure that\
|
| + smooth scrolling on the compositor works as intended (tested via\
|
| + virtual suite virtual/threaded/).");
|
| +
|
| + function runTest() {
|
| + if (!window.eventSender || !window.internals) {
|
| + finishJSTest();
|
| + return;
|
| + }
|
| +
|
| + // Turn on smooth scrolling.
|
| + internals.settings.setScrollAnimatorEnabled(true);
|
| +
|
| + eventSender.mouseMoveTo(20, 20);
|
| + // Scroll down 3 ticks.
|
| + eventSender.mouseScrollBy(0, -1);
|
| + eventSender.mouseScrollBy(0, -1);
|
| + eventSender.mouseScrollBy(0, -1);
|
| + // Scroll right 3 ticks.
|
| + eventSender.mouseScrollBy(-1, 0);
|
| + eventSender.mouseScrollBy(-1, 0);
|
| + eventSender.mouseScrollBy(-1, 0);
|
| + // Undo 1 tick in each direction.
|
| + eventSender.mouseScrollBy(0, 1);
|
| + eventSender.mouseScrollBy(1, 0);
|
| +
|
| + // 40px per tick.
|
| + shouldBecomeEqual("document.scrollingElement.scrollTop == 80 && " +
|
| + "document.scrollingElement.scrollLeft == 80", "true", finishJSTest);
|
| + }
|
| +</script>
|
| +
|
| +<body onload="runTest()"></body>
|
|
|
Chromium Code Reviews
Issue 1534813004:
Run smooth scroll animations on the compositor when possible (Closed)
Base URL: https://chromium.googlesource.com/chromium/src.git@master