Tests DataGrid column auto size calculation.

Bug 101363
Auto sizing [198,2,400], minPercent=90, maxPercent=undefined
    [33,33,34]
Auto sizing [1000], minPercent=5, maxPercent=undefined
    [100]
Auto sizing [10], minPercent=5, maxPercent=undefined
    [100]
Auto sizing [1000,1000], minPercent=5, maxPercent=undefined
    [50,50]
Auto sizing [30,30,30,30], minPercent=5, maxPercent=undefined
    [25,25,25,25]
Auto sizing [1,100,100,100], minPercent=25, maxPercent=undefined
    [25,25,25,25]
Auto sizing [100,100,100,100], minPercent=25, maxPercent=undefined
    [25,25,25,25]
Auto sizing [1,1,1,100], minPercent=25, maxPercent=undefined
    [25,25,25,25]
Auto sizing [1,100,100], minPercent=25, maxPercent=40
    [25,37,38]
Auto sizing [100,100,100], minPercent=25, maxPercent=40
    [34,33,33]
Auto sizing [1,1,100], minPercent=25, maxPercent=40
    [30,30,40]
Auto sizing [3,10,7,7,13,13,9,10,15,15,20,20,14,14,12,12,12,10,9,14,10,6,7,10,18], minPercent=5, maxPercent=undefined
    [4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4,4]