Index: third_party/WebKit/LayoutTests/intersection-observer/zero-area-element-hidden.html |
diff --git a/third_party/WebKit/LayoutTests/intersection-observer/zero-area-element-hidden.html b/third_party/WebKit/LayoutTests/intersection-observer/zero-area-element-hidden.html |
new file mode 100644 |
index 0000000000000000000000000000000000000000..bf1d2f4c191b7ab79d97ec5cca95c7a7b2161826 |
--- /dev/null |
+++ b/third_party/WebKit/LayoutTests/intersection-observer/zero-area-element-hidden.html |
@@ -0,0 +1,24 @@ |
+<!DOCTYPE html> |
+<script src="../resources/intersection-observer-helper-functions.js"></script> |
+<script src="../resources/testharness.js"></script> |
+<script src="../resources/testharnessreport.js"></script> |
+ |
+<title>Ensure that a hidden zero-area element is treated correctly</title> |
+ |
+<div id='target' style='width: 0px; height: 0px; position: fixed; top: -1000px'</div>" |
+ |
+<script> |
+'use strict'; |
+ |
+async_test(t => { |
+ let target = document.getElementById('target'); |
+ let entries = []; |
+ new IntersectionObserver(changes => { |
+ entries.push(...changes); |
+ }).observe(target); |
+ waitForNotification(t.step_func_done(() => { |
+ // Since the element is initially assumed to be hidden, there are no entries. |
+ assert_equals(entries.length, 0); |
+ })); |
+}); |
+</script> |