Check the behavior of grids under max-content constraints. XX XXX XX XXX PASS XX XXX X PASS XX XXX PASS XXX X XXX PASS XX XXX XXX XX PASS XX XXX XX XXX PASS XX XXX X PASS XX XXX PASS XXX X XXX PASS XX XXX XXX XX PASS Check the behavior of grids under min-content contstraints. XX XX XX PASS XX X PASS XX XXX XXXX PASS XX XXXX XXXX XXX PASS XX XXX PASS XX XX PASS X XXX X PASS XXXX XXXX XXXX XXXX PASS XXXX X X XXXX PASS XX XX XX PASS XX X PASS XX XXX XXXX PASS XX XXXX XXXX XXX PASS XX XXX PASS XX XX PASS X XXX X PASS XXXX XXXX XXXX XXXX PASS XXXX X X XXXX PASS Check the behavior of grids with definite available space. XX XXX X PASS XX XX PASS XX XXXX PASS XX XXX XX XXX XX XXX PASS X X X X PASS XX XX XX PASS XXXX PASS Check the behavior of grids with indefinite available space. XX XXX PASS X XXXX X PASS XX XX XX PASS X XX X PASS X XX X PASS XXXX XX X XXX PASS XXXX X X PASS X XXX XX PASS XX XXX XX X PASS XX X PASS XX X PASS XX X PASS XX X PASS XX X PASS