A  B
Intermediate A  Intermediate B
C  D
Click did not unselect all radio buttons: PASS

Checking whether default-prevented click clobbered indeterminate state:
On checked radio button: PASS
On unchecked radio button: PASS
On checked checkbox: PASS
On unchecked checkbox: PASS

Checking whether default-prevented click clobbered checked state:
On checked radio button: PASS
On unchecked radio button: PASS
On checked checkbox: PASS
On unchecked checkbox: PASS