Verifies that native selection UI is suppressed when focusing a textarea that is completely hidden underneath an empty container with overflow: hidden;. To manually test, tap the top button, and then tap on the bottom button. In both cases, there should be no platform selection shown.

On success, you will see a series of "PASS" messages, followed by "TEST COMPLETE".

PASS caretViewRect.top is null
PASS caretViewRect.left is null
PASS caretViewRect.width is 0
PASS caretViewRect.height is 0
PASS document.activeElement.id is "editor"
PASS caretViewRect.top is null
PASS caretViewRect.left is null
PASS caretViewRect.width is 0
PASS caretViewRect.height is 0
PASS document.activeElement.id is "frame"
PASS frame.contentWindow.document.activeElement.id is "editor"
PASS successfullyParsed is true

TEST COMPLETE