Chromium Code Reviews
chromiumcodereview-hr@appspot.gserviceaccount.com (chromiumcodereview-hr) | Please choose your nickname with Settings | Help | Chromium Project | Gerrit Changes | Sign out
(3)

Unified Diff: third_party/WebKit/LayoutTests/fast/dom/viewport/read-viewport-size-in-iframe-causes-layout.html

Issue 2842343002: Perform layout when viewport size is queried. (Closed)
Patch Set: Nit Created 3 years, 8 months ago
Use n/p to move between diff chunks; N/P to move between comments. Draft comments are only viewable by you.
Jump to:
View side-by-side diff with in-line comments
Download patch
Index: third_party/WebKit/LayoutTests/fast/dom/viewport/read-viewport-size-in-iframe-causes-layout.html
diff --git a/third_party/WebKit/LayoutTests/fast/dom/viewport/read-viewport-size-in-iframe-causes-layout.html b/third_party/WebKit/LayoutTests/fast/dom/viewport/read-viewport-size-in-iframe-causes-layout.html
new file mode 100644
index 0000000000000000000000000000000000000000..72e9dd11e4e84f5b60f7f89b1dae288bd3391360
--- /dev/null
+++ b/third_party/WebKit/LayoutTests/fast/dom/viewport/read-viewport-size-in-iframe-causes-layout.html
@@ -0,0 +1,35 @@
+<!DOCTYPE html>
+<script src="../../../resources/testharness.js"></script>
+<script src="../../../resources/testharnessreport.js"></script>
+<style>
+ iframe {
+ width: 200px;
+ height: 300px;
+ }
+</style>
+
+<h4>This test checks that requesting the viewport size in an iframe causes any pending layout to occur.</h4>
+<iframe srcdoc="<!DOCTYPE html><style>html{height:100%}</style>"></iframe>
+<script>
+ async_test(function(t) {
+ window.onload = t.step_func(function() {
+ assert_equals(frames[0].window.visualViewport.clientWidth, 200,
+ "Reading width of iframe viewport should match iframe width.");
+ assert_equals(frames[0].window.visualViewport.clientHeight, 300,
+ "Reading height of iframe viewport should match iframe height.");
+
+ // Add overflow so scrollbars appear.
+ frames[0].window.document.body.style.width = "2000px";
+ frames[0].window.document.body.style.height = "2000px";
+
+ var viewportWidth = frames[0].window.visualViewport.clientWidth;
+ var viewportHeight = frames[0].window.visualViewport.clientHeight;
+
+ assert_equals(viewportWidth, frames[0].window.document.documentElement.clientWidth,
+ "Reading width of iframe viewport should cause a layout and exclude the new scrollbar.");
+ assert_equals(viewportHeight, frames[0].window.document.documentElement.clientHeight,
+ "Reading height of iframe viewport should cause a layout and exclude the new scrollbar.");
+ t.done();
+ });
+ });
+</script>

Powered by Google App Engine
This is Rietveld 408576698