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defmodule TreeBitmapTest do
use ExUnit.Case
doctest TreeBitmap
alias TreeBitmap.NIF
test "new/0" do
table = NIF.new()
assert is_reference(table)
end
test "length/1" do
table = NIF.new()
assert 0 == NIF.length(table)
end
test "add/4 and lookup/2" do
table = NIF.new()
assert :ok == NIF.add(table, {:inet4, 192, 168, 1, 0}, 24, 0)
assert {:ok, _, 24, 0} = NIF.lookup(table, {:inet4, 192, 168, 1, 1})
assert {:ok, nil} = NIF.lookup(table, {:inet4, 1, 1, 1, 1})
end
test "remove/2" do
table = NIF.new()
assert :ok == NIF.add(table, {:inet4, 192, 168, 1, 0}, 24, 0)
assert {:ok, _, 24, 0} = NIF.lookup(table, {:inet4, 192, 168, 1, 1})
assert :ok == NIF.remove(table, {:inet4, 192, 168, 1, 0}, 24)
assert {:ok, nil} = NIF.lookup(table, {:inet4, 192, 168, 1, 1})
end
test "default route" do
table = NIF.new()
assert :ok == NIF.add(table, {:inet4, 0, 0, 0, 0}, 0, 0)
assert {:ok, _, 0, 0} = NIF.lookup(table, {:inet4, 192, 168, 1, 1})
end
test "more to less specific" do
table = NIF.new()
:ok = NIF.add(table, {:inet4, 10, 69, 1, 0}, 24, 2)
:ok = NIF.add(table, {:inet4, 10, 69, 0, 0}, 16, 1)
:ok = NIF.add(table, {:inet4, 0, 0, 0, 0}, 0, 0)
assert {:ok, _, _, 0} = NIF.lookup(table, {:inet4, 8, 8, 8, 8})
assert {:ok, _, _, 2} = NIF.lookup(table, {:inet4, 10, 69, 1, 2})
assert {:ok, _, _, 1} = NIF.lookup(table, {:inet4, 10, 69, 2, 2})
end
test "less to more specific" do
table = NIF.new()
:ok = NIF.add(table, {:inet4, 0, 0, 0, 0}, 0, 0)
:ok = NIF.add(table, {:inet4, 10, 69, 0, 0}, 16, 1)
:ok = NIF.add(table, {:inet4, 10, 69, 1, 0}, 24, 2)
assert {:ok, _, _, 0} = NIF.lookup(table, {:inet4, 8, 8, 8, 8})
assert {:ok, _, _, 2} = NIF.lookup(table, {:inet4, 10, 69, 1, 2})
assert {:ok, _, _, 1} = NIF.lookup(table, {:inet4, 10, 69, 2, 2})
end
test "multiple routes" do
table = NIF.new()
:ok = NIF.add(table, {:inet4, 8, 8, 8, 0}, 24, 8)
:ok = NIF.add(table, {:inet4, 1, 1, 0, 0}, 16, 1)
:ok = NIF.add(table, {:inet4, 192, 168, 1, 1}, 32, 200)
assert {:ok, _, _, 8} = NIF.lookup(table, {:inet4, 8, 8, 8, 8})
assert {:ok, _, _, 1} = NIF.lookup(table, {:inet4, 1, 1, 0, 0})
assert {:ok, _, _, 200} = NIF.lookup(table, {:inet4, 192, 168, 1, 1})
end
end
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