third_party/WebKit/LayoutTests/scrollingcoordinator/donot-compute-non-fast-scrollable-region-for-hidden-frames.html - Issue 2413723002: Re-Compute slow scroll region on frameview visibility change.

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Unified Diff: third_party/WebKit/LayoutTests/scrollingcoordinator/donot-compute-non-fast-scrollable-region-for-hidden-frames.html

Issue 2413723002: Re-Compute slow scroll region on frameview visibility change. (Closed)

Patch Set: modified test case Created 4 years, 2 months ago

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diff --git a/third_party/WebKit/LayoutTests/scrollingcoordinator/donot-compute-non-fast-scrollable-region-for-hidden-frames.html b/third_party/WebKit/LayoutTests/scrollingcoordinator/donot-compute-non-fast-scrollable-region-for-hidden-frames.html

new file mode 100644

index 0000000000000000000000000000000000000000..32d462448c3fae4c3c24b97bce348e8b869675cb

--- /dev/null

+++ b/third_party/WebKit/LayoutTests/scrollingcoordinator/donot-compute-non-fast-scrollable-region-for-hidden-frames.html

@@ -0,0 +1,43 @@

+<!DOCTYPE html>

+<style>

+ body {

+ margin: 0;

+ }

+ iframe {

+ height: 900px;

+ width: 900px;

+ margin-left: 51px;

+ margin-top: 52px;

+ border: none;

+ }

+</style>

+<iframe id='iframe' src='resources/iframe-containing-non-fast-scrollables.html'></iframe>

+<script src="resources/non-fast-scrollable-region-testing.js"></script>

+<script src="../resources/run-after-layout-and-paint.js"></script>

+<script src="../resources/testharness.js"></script>

+<script src="../resources/testharnessreport.js"></script>

+<script>

+ async_test((t) => {

+ var iframeWindow = document.querySelector("iframe").contentWindow;

+ iframeWindow.addEventListener("load", () => {

+ nonFastScrollableRects = internals.nonFastScrollableRects(document);

+ assert_equals(nonFastScrollableRects.length, 3);

+ var iframedoc = document.querySelector("iframe").contentWindow.document;

+ var iframeelement = iframedoc.querySelector("iframe");

+ iframeelement.style.visibility = 'hidden';

majidvp 2016/11/01 20:59:50 I don't understand why you need to have 3 levels o

+ var divelement = iframedoc.querySelector("div");

+ divelement.style.visibility = 'hidden';

majidvp 2016/11/01 20:59:50 Why do you need to hide the div here?

+ runAfterLayoutAndPaint(() => {

+ nonFastScrollableRects = internals.nonFastScrollableRects(document);

+ assert_equals(nonFastScrollableRects.length, 1);

+ t.done();

+ });

+ }, "This test ensures that non-fast scrollable area is not computed for hidden frames.");

+</script>