[Live Range Selection] fast/events/no-scroll-on-input-text-selection.…

…html fails

https://bugs.webkit.org/show_bug.cgi?id=248423

Reviewed by Darin Adler.

Check input.selectionEnd > input.selectionStart instead of checking
getSelection().toString().length > 0 since enabling live range selection will
make getSelection().toString() to no longer return the string inside the input.

* LayoutTests/fast/events/no-scroll-on-input-text-selection-expected.txt:
* LayoutTests/fast/events/no-scroll-on-input-text-selection.html:

Canonical link: https://commits.webkit.org/257126@main

LayoutTests/fast/events/no-scroll-on-input-text-selection-expected.txt

@@ -3,7 +3,7 @@ Verify selecting text does not cause any scrolling.
 On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".
 
 
-PASS document.getSelection().toString().length > 1 is true
+PASS ta.selectionStart < ta.selectionEnd is true
 PASS pageXOffset is 0
 PASS pageYOffset is originalPageYOffset
 PASS document.scrollingElement.scrollLeft is 0

LayoutTests/fast/events/no-scroll-on-input-text-selection.html

@@ -37,7 +37,7 @@
                 if (window.eventSender)
                     eventSender.mouseUp();
 
-                shouldBeTrue('document.getSelection().toString().length > 1');
+                shouldBeTrue('ta.selectionStart < ta.selectionEnd');
                 shouldBe('pageXOffset', '0');
                 shouldBe('pageYOffset', 'originalPageYOffset');
                 shouldBe('document.scrollingElement.scrollLeft', '0');