| Index: LayoutTests/fast/scroll-behavior/scroll-customization/scrollstate-distribute-to-scroll-chain-descendant.html
|
| diff --git a/LayoutTests/fast/scroll-behavior/scroll-customization/scrollstate-distribute-to-scroll-chain-descendant.html b/LayoutTests/fast/scroll-behavior/scroll-customization/scrollstate-distribute-to-scroll-chain-descendant.html
|
| new file mode 100644
|
| index 0000000000000000000000000000000000000000..e2cbe609338750c6b3926bfbb8eddca7e05163ee
|
| --- /dev/null
|
| +++ b/LayoutTests/fast/scroll-behavior/scroll-customization/scrollstate-distribute-to-scroll-chain-descendant.html
|
| @@ -0,0 +1,54 @@
|
| +<!DOCTYPE html>
|
| +<html>
|
| +<head>
|
| +<meta charset="utf-8">
|
| +<title>ScrollState constructor behaves correctly</title>
|
| +<script src="../../../resources/testharness.js"></script>
|
| +<script src="../../../resources/testharnessreport.js"></script>
|
| +</head>
|
| +<body>
|
| +<script>
|
| +
|
| +if (!window.internals || !window.internals.runtimeFlags.scrollCustomizationEnabled) {
|
| + console.log("These tests only work with window.internals exposed, " +
|
| + "and require scroll customization.");
|
| + done();
|
| +}
|
| +
|
| +var elementCount = 10;
|
| +var remainingNumberOfTimesToBeCalled = elementCount;
|
| +
|
| +var distributeScroll = function(scrollState) {
|
| + this.calledOrder = elementCount - remainingNumberOfTimesToBeCalled;
|
| + remainingNumberOfTimesToBeCalled--;
|
| + scrollState.distributeToScrollChainDescendant();
|
| +}
|
| +
|
| +var elements = [];
|
| +for (var i = 0; i < elementCount; ++i) {
|
| + var element = document.createElement("div");
|
| + element.creationOrder = i;
|
| + element.distributeScroll = distributeScroll;
|
| + elements.push(element);
|
| +}
|
| +
|
| +test(function() {
|
| + var scrollState = new ScrollState(100, 0, 0, 0, 0, false, false);
|
| + window.internals.setScrollChain(scrollState, elements);
|
| + scrollState.distributeToScrollChainDescendant();
|
| + assert_equals(0, remainingNumberOfTimesToBeCalled);
|
| + for (var i = 0; i < elementCount; ++i)
|
| + assert_equals(elements[i].creationOrder, elements[i].calledOrder);
|
| +}, "distributeToScrollChainDescendant propagates correctly.");
|
| +
|
| +test(function() {
|
| + var scrollState = new ScrollState(100, 0, 0, 0, 0, false, false);
|
| + window.internals.setScrollChain(scrollState, []);
|
| + assert_equals(0, remainingNumberOfTimesToBeCalled);
|
| + scrollState.distributeToScrollChainDescendant();
|
| + assert_equals(0, remainingNumberOfTimesToBeCalled);
|
| +}, "distributeToScrollChainDescendant with empty scroll chain does nothing.");
|
| +
|
| +</script>
|
| +</body>
|
| +</html>
|
|
|
Chromium Code Reviews
Issue 850443002:
Scroll Customization Prototype (Not for review, WIP) (Closed)
Base URL: https://chromium.googlesource.com/chromium/blink.git@master