using Base: max_ccall_threads
@testset "695.max-area-of-island.jl" begin
    @test max_area_of_island(hcat([[0, 0, 1, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0],
                                   [0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0],
                                   [0, 1, 1, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0],
                                   [0, 1, 0, 0, 1, 1, 0, 0, 1, 0, 1, 0, 0],
                                   [0, 1, 0, 0, 1, 1, 0, 0, 1, 1, 1, 0, 0],
                                   [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0],
                                   [0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0, 0, 0],
                                   [0, 0, 0, 0, 0, 0, 0, 1, 1, 0, 0, 0, 0]]...)) == 6
    @test max_area_of_island(reshape([0,0,0,0,0,0,0,0], :, 1)) == 0
end
