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Unified Diff: third_party/WebKit/LayoutTests/fast/scrolling/set-root-scroller.html

Issue 1913843004: Implementing document.setRootScroller API for main thread scrolling. (Closed) Base URL: https://chromium.googlesource.com/chromium/src.git@overscrollController
Patch Set: Rebase and remove whitespace in Document.idl Created 4 years, 8 months ago
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Index: third_party/WebKit/LayoutTests/fast/scrolling/set-root-scroller.html
diff --git a/third_party/WebKit/LayoutTests/fast/scrolling/set-root-scroller.html b/third_party/WebKit/LayoutTests/fast/scrolling/set-root-scroller.html
new file mode 100644
index 0000000000000000000000000000000000000000..857f4fe7734ced6887e2501794dae28489eecaf5
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/fast/scrolling/set-root-scroller.html
@@ -0,0 +1,113 @@
+<!DOCTYPE html>
+<style>
+ ::-webkit-scrollbar {
+ width: 0px;
+ height: 0px;
+ }
+
+ body, html {
+ width: 100%;
+ height: 100%;
+ }
+
+ body {
+ margin: 0px;
+ }
+
+ #container {
+ width: 1000px;
+ height: 1000px;
+ overflow: auto;
+ }
+
+ #spacer {
+ width: 2000px;
+ height: 1900px;
+ }
+</style>
+
+<div id="container">
+ <div id="spacer">
+ <span id="spanner">TEST</span>
+ </div>
+</div>
+
+<script src="../../resources/testharness.js"></script>
+<script src="../../resources/testharnessreport.js"></script>
+
+<script>
+ test(function() {
+ assert_false(typeof document.setRootScroller === 'undefined');
+ }, 'setRootScroller API enabled');
+ test(function() {
+ // Setting the container object should succeed.
+ assert_equals(document.rootScroller, document.documentElement);
+ var container = document.querySelector('#container');
+ document.setRootScroller(container);
+ assert_equals(document.rootScroller, container);
+
+ // Trying to set the <span> should fail with an exception thrown since a
+ // span is not a valid scroller.
+ assert_throws(
+ 'InvalidStateError',
+ function() {
+ document.setRootScroller(document.querySelector('#spanner'));
+ },
+ 'Trying to set a non-block flow element should throw');
+ assert_equals(document.rootScroller, container);
+
+ // Scroll the container <div> past the end. The scrolls should not chain
+ // past the rootScroller to the scrollingElement.
+ if (typeof eventSender !== 'undefined') {
+ eventSender.gestureScrollBegin(500, 500);
+ eventSender.gestureScrollUpdate(-300, -300);
+ eventSender.gestureScrollEnd(0, 0);
+ eventSender.gestureScrollBegin(500, 500);
+ eventSender.gestureScrollUpdate(-300, -300);
+ eventSender.gestureScrollEnd(0, 0);
+ eventSender.gestureScrollBegin(500, 500);
+ eventSender.gestureScrollUpdate(-300, -300);
+ eventSender.gestureScrollEnd(0, 0);
+ eventSender.gestureScrollBegin(500, 500);
+ eventSender.gestureScrollUpdate(-300, -300);
+ eventSender.gestureScrollEnd(0, 0);
+
+ assert_equals(container.scrollTop, 900);
+ assert_equals(container.scrollLeft, 1000);
+ assert_equals(document.scrollingElement.scrollTop, 0);
+ assert_equals(document.scrollingElement.scrollLeft, 0);
+ }
+
+ // Making the current rootScroller an invalid scroller should reset the
+ // rootScroller to the default, the documentElement.
+ container.style.display = "none";
+ newRootScroller = document.rootScroller;
+ assert_equals(newRootScroller, document.documentElement);
+
+ container.style.display = "block";
+ assert_equals(newRootScroller, document.documentElement);
+
+ // Now scrolling over the <div> should scroll the scrollingElement.
+ if (typeof eventSender !== 'undefined') {
+ eventSender.gestureScrollBegin(500, 500);
+ eventSender.gestureScrollUpdate(-300, -300);
+ eventSender.gestureScrollEnd(0, 0);
+ eventSender.gestureScrollBegin(500, 500);
+ eventSender.gestureScrollUpdate(-300, -300);
+ eventSender.gestureScrollEnd(0, 0);
+ eventSender.gestureScrollBegin(500, 500);
+ eventSender.gestureScrollUpdate(-300, -300);
+ eventSender.gestureScrollEnd(0, 0);
+ eventSender.gestureScrollBegin(500, 500);
+ eventSender.gestureScrollUpdate(-300, -300);
+ eventSender.gestureScrollEnd(0, 0);
+
+ assert_equals(document.scrollingElement.scrollTop, 400);
+ assert_equals(document.scrollingElement.scrollLeft, 200);
+ }
+
+ // Don't output the text in spanner.
+ document.querySelector('#spanner').style.display = 'none';
+
+ }, 'Test the setRootScroller API basic functionality');
+</script>

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