Makes sure that document.activeElement returns a shadow host when a element in the correspoinding shadow tree is focused.


Focusing top/input0
PASS: top document.activeElement is top/shadow0
PASS: top/iframe1 document.activeElement is top/iframe1/doc1_body
PASS: top/iframe3 document.activeElement is top/iframe3/doc3_body
PASS: top/iframe4 document.activeElement is top/iframe4/doc4_body
PASS: top/iframe4/iframe4_1 document.activeElement is top/iframe4/iframe4_1/doc4_1_body

Focusing top/iframe1/input1
PASS: top document.activeElement is top/iframe1
PASS: top/iframe1 document.activeElement is top/iframe1/shadow1
PASS: top/iframe3 document.activeElement is top/iframe3/doc3_body
PASS: top/iframe4 document.activeElement is top/iframe4/doc4_body
PASS: top/iframe4/iframe4_1 document.activeElement is top/iframe4/iframe4_1/doc4_1_body

Focusing top/input2
PASS: top document.activeElement is top/shadow2
PASS: top/iframe1 document.activeElement is top/iframe1/doc1_body
PASS: top/iframe3 document.activeElement is top/iframe3/doc3_body
PASS: top/iframe4 document.activeElement is top/iframe4/doc4_body
PASS: top/iframe4/iframe4_1 document.activeElement is top/iframe4/iframe4_1/doc4_1_body

Focusing top/iframe3/input3
PASS: top document.activeElement is top/shadow3
PASS: top/iframe1 document.activeElement is top/iframe1/doc1_body
PASS: top/iframe3 document.activeElement is top/iframe3/input3
PASS: top/iframe4 document.activeElement is top/iframe4/doc4_body
PASS: top/iframe4/iframe4_1 document.activeElement is top/iframe4/iframe4_1/doc4_1_body

Focusing top/iframe4/iframe4_1/input4
PASS: top document.activeElement is top/iframe4
PASS: top/iframe1 document.activeElement is top/iframe1/doc1_body
PASS: top/iframe3 document.activeElement is top/iframe3/doc3_body
PASS: top/iframe4 document.activeElement is top/iframe4/iframe4_1
PASS: top/iframe4/iframe4_1 document.activeElement is top/iframe4/iframe4_1/input4