All boxes below should be 100px * 100px and green.

Bare min()
min(100px)
min( 100px )
min((((100px))))
min(150px,100px)
min(150px,100px,200px)
min( 150px , 100px ,200px)
min(90px + 50px ,100px)
min(100%,100px) - where 100% is 200px
min(50%,150px) - where 50% is 100px
min(100% - 50px,100px) - where 100% is 200px
min(25% + 50px,150px) - where 25% is 50px
min(100px,100%) - where 100% is 200px
min(200px,100px)


min() inside calc()
calc(min(100px))
calc(min(150px, 200px) - 50px)
calc(50 + min(150px, 50px))
calc(min(250px, 200px) / 2)
calc(min( 100px ))
calc(min((((100px)))))
calc(min(150px,100px))
calc(min(150px,100px,200px))
calc(min( 150px , 100px ,200px))
calc(min(90px + 50px ,100px))
calc(min(100%,100px)) - where 100% is 200px
calc(min(50%,150px)) - where 50% is 100px
calc(min(100% - 50px,100px)) - where 100% is 200px
calc(min(25% + 50px,150px)) - where 25% is 50px
calc(min(100px,100%)) - where 100% is 200px
calc(min(200px,100px))


Bare max()
max(100px)
calc(max(150px, 100px) - 50px)
max(50px,100px)
max(50px,100px,20px)
max(120px - 50px,100px)
max(100%,100px) - where 100% is 50px
max(100px,100%) - where 100% is 50px


max() inside calc()
calc(max(100px))
calc(max(50px,100px))
calc(max(50px,100px,20px))
calc(max(120px - 50px,100px))
calc(max(100%,100px)) - where 100% is 50px
calc(max(100px,100%)) - where 100% is 50px