def initialize(time_low, time_mid, time_hi_and_version,
clock_seq_hi_and_reserved, clock_seq_low, nodes)
unless time_low >= 0 && time_low < 4294967296
raise ArgumentError,
"Expected unsigned 32-bit number for time_low, got #{time_low}."
end
unless time_mid >= 0 && time_mid < 65536
raise ArgumentError,
"Expected unsigned 16-bit number for time_mid, got #{time_mid}."
end
unless time_hi_and_version >= 0 && time_hi_and_version < 65536
raise ArgumentError,
"Expected unsigned 16-bit number for time_hi_and_version, " +
"got #{time_hi_and_version}."
end
unless clock_seq_hi_and_reserved >= 0 && clock_seq_hi_and_reserved < 256
raise ArgumentError,
"Expected unsigned 8-bit number for clock_seq_hi_and_reserved, " +
"got #{clock_seq_hi_and_reserved}."
end
unless clock_seq_low >= 0 && clock_seq_low < 256
raise ArgumentError,
"Expected unsigned 8-bit number for clock_seq_low, " +
"got #{clock_seq_low}."
end
unless nodes.respond_to? :size
raise ArgumentError,
"Expected nodes to respond to :size."
end
unless nodes.size == 6
raise ArgumentError,
"Expected nodes to have size of 6."
end
for node in nodes
unless node >= 0 && node < 256
raise ArgumentError,
"Expected unsigned 8-bit number for each node, " +
"got #{node}."
end
end
@time_low = time_low
@time_mid = time_mid
@time_hi_and_version = time_hi_and_version
@clock_seq_hi_and_reserved = clock_seq_hi_and_reserved
@clock_seq_low = clock_seq_low
@nodes = nodes
end