diff --git a/.travis.yml b/.travis.yml
index 8d2a6ee..45836f1 100644
--- a/.travis.yml
+++ b/.travis.yml
@@ -20,6 +20,6 @@ script:
   # Check that code is formatted
   - "mix format --dry-run --check-formatted"
   # Run all tests except pending ones
-  - "mix test --exclude pending --trace"
+  - "mix test --trace"
   # Push code coverage
   - "mix coveralls.travis"
diff --git a/lib/elven_gard/protocol/binary/integer_type.ex b/lib/elven_gard/protocol/binary/integer_type.ex
index 39fff9c..5f9b85c 100644
--- a/lib/elven_gard/protocol/binary/integer_type.ex
+++ b/lib/elven_gard/protocol/binary/integer_type.ex
@@ -1,6 +1,8 @@
 defmodule ElvenGard.Protocol.Binary.IntegerType do
   @moduledoc """
   Define a custom integer type (uint32_t) for game protocols
+
+  TODO: Manage signed/unsigned number & little/big/native endianness
   """
 
   use ElvenGard.Type
diff --git a/lib/elven_gard/protocol/binary/long_type.ex b/lib/elven_gard/protocol/binary/long_type.ex
index ab4ada8..0941abd 100644
--- a/lib/elven_gard/protocol/binary/long_type.ex
+++ b/lib/elven_gard/protocol/binary/long_type.ex
@@ -1,6 +1,8 @@
 defmodule ElvenGard.Protocol.Binary.LongType do
   @moduledoc """
   Define a custom long type (uint64_t) for game protocols
+
+  TODO: Manage signed/unsigned number & little/big/native endianness
   """
 
   use ElvenGard.Type
diff --git a/lib/elven_gard/protocol/binary/short_type.ex b/lib/elven_gard/protocol/binary/short_type.ex
index 064004e..b97307b 100644
--- a/lib/elven_gard/protocol/binary/short_type.ex
+++ b/lib/elven_gard/protocol/binary/short_type.ex
@@ -1,6 +1,8 @@
 defmodule ElvenGard.Protocol.Binary.ShortType do
   @moduledoc """
   Define a custom short type (uint16_t) for game protocols
+
+  TODO: Manage signed/unsigned number & little/big/native endianness
   """
 
   use ElvenGard.Type
diff --git a/test/heavens_strike_test.exs b/test/heavens_strike_test.exs
deleted file mode 100644
index 18dae9b..0000000
--- a/test/heavens_strike_test.exs
+++ /dev/null
@@ -1,4 +0,0 @@
-defmodule ElvenGardTest do
-  use ExUnit.Case
-  doctest ElvenGard
-end
diff --git a/test/lib/elven_gard/protocol/binary/byte_type_test.exs b/test/lib/elven_gard/protocol/binary/byte_type_test.exs
new file mode 100644
index 0000000..ac9519f
--- /dev/null
+++ b/test/lib/elven_gard/protocol/binary/byte_type_test.exs
@@ -0,0 +1,37 @@
+defmodule ElvenGard.Protocol.Binary.ByteTypeTest do
+  use ExUnit.Case
+
+  alias ElvenGard.Protocol.Binary.ByteType
+
+  describe "Encode binary byte type:" do
+    test "basic behaviour" do
+      got = ByteType.encode(0x13)
+      expected = <<0x13>>
+
+      assert expected == got
+    end
+
+    test "with number overflow" do
+      got = ByteType.encode(0x1337, [])
+      expected = <<0x37>>
+
+      assert expected == got
+    end
+  end
+
+  describe "Decode binary byte type:" do
+    test "without rest" do
+      got = ByteType.decode(<<0x13>>)
+      expected = {0x13, <<>>}
+
+      assert expected == got
+    end
+
+    test "with rest" do
+      got = ByteType.decode(<<0x13, 0x37, 0x00>>, [])
+      expected = {0x13, <<0x37, 0x00>>}
+
+      assert expected == got
+    end
+  end
+end
diff --git a/test/lib/elven_gard/protocol/binary/integer_type_test.exs b/test/lib/elven_gard/protocol/binary/integer_type_test.exs
new file mode 100644
index 0000000..86dd621
--- /dev/null
+++ b/test/lib/elven_gard/protocol/binary/integer_type_test.exs
@@ -0,0 +1,133 @@
+defmodule ElvenGard.Protocol.Binary.IntegerTypeTest do
+  use ExUnit.Case
+
+  alias ElvenGard.Protocol.Binary.IntegerType
+
+  describe "Encode binary integer type:" do
+    @tag :pending
+    test "default behaviour (unsigned + big)" do
+      got = IntegerType.encode(0x1337)
+      expected = <<0x1337::size(32)>>
+
+      assert expected == got
+    end
+
+    @tag :pending
+    test "default behaviour with overflow (unsigned + big)" do
+      got = IntegerType.encode(0x1337133700)
+      expected = <<0x37133700::size(32)>>
+
+      assert expected == got
+    end
+
+    test "signed + little" do
+      got = IntegerType.encode(0x1337, signed: true, endian: :little)
+      expected = <<0x1337::signed-little-size(32)>>
+
+      assert expected == got
+    end
+
+    test "unsigned + little" do
+      got = IntegerType.encode(0x1337, signed: false, endian: :little)
+      expected = <<0x1337::unsigned-little-size(32)>>
+
+      assert expected == got
+    end
+
+    @tag :pending
+    test "signed + big" do
+      got = IntegerType.encode(0x1337, signed: true, endian: :big)
+      expected = <<0x1337::signed-big-size(32)>>
+
+      assert expected == got
+    end
+
+    @tag :pending
+    test "unsigned + big" do
+      got = IntegerType.encode(0x1337, signed: false, endian: :big)
+      expected = <<0x1337::unsigned-big-size(32)>>
+
+      assert expected == got
+    end
+
+    test "signed + native" do
+      got = IntegerType.encode(0x1337, signed: true, endian: :native)
+      expected = <<0x1337::signed-native-size(32)>>
+
+      assert expected == got
+    end
+
+    test "unsigned + native" do
+      got = IntegerType.encode(0x1337, signed: false, endian: :native)
+      expected = <<0x1337::unsigned-native-size(32)>>
+
+      assert expected == got
+    end
+  end
+
+  describe "Decode binary integer type:" do
+    @tag :pending
+    test "default behaviour without rest (unsigned + big)" do
+      got = IntegerType.decode(<<0x1337::size(32)>>)
+      expected = {0x1337, <<>>}
+
+      assert expected == got
+    end
+
+    @tag :pending
+    test "default behaviour with rest (unsigned + big)" do
+      got = IntegerType.decode(<<0x1337::size(32), 0x42::signed-size(32), 0x01::little-size(32)>>)
+      expected = {0x1337, <<0x42::signed-size(32), 0x01::little-size(32)>>}
+
+      assert expected == got
+    end
+
+    test "signed + little" do
+      got = IntegerType.decode(<<0x1337::signed-little-size(32)>>, signed: true, endian: :little)
+      expected = {0x1337, <<>>}
+
+      assert expected == got
+    end
+
+    test "unsigned + little" do
+      got =
+        IntegerType.decode(<<0x1337::unsigned-little-size(32)>>, signed: false, endian: :little)
+
+      expected = {0x1337, <<>>}
+
+      assert expected == got
+    end
+
+    @tag :pending
+    test "signed + big" do
+      got = IntegerType.decode(<<0x1337::signed-big-size(32)>>, signed: true, endian: :big)
+      expected = {0x1337, <<>>}
+
+      assert expected == got
+    end
+
+    @tag :pending
+    test "unsigned + big" do
+      got = IntegerType.decode(<<0x1337::unsigned-big-size(32)>>, signed: false, endian: :big)
+      expected = {0x1337, <<>>}
+
+      assert expected == got
+    end
+
+    test "signed + native" do
+      got = IntegerType.decode(<<0x1337::signed-native-size(32)>>, signed: true, endian: :native)
+      expected = {0x1337, <<>>}
+
+      assert expected == got
+    end
+
+    test "unsigned + native" do
+      got =
+        IntegerType.decode(<<0x1337::unsigned-native-size(32)>>, signed: false, endian: :native)
+
+      expected = {0x1337, <<>>}
+
+      assert expected == got
+    end
+  end
+end
diff --git a/test/lib/elven_gard/protocol/textual/float_type_test.exs b/test/lib/elven_gard/protocol/textual/float_type_test.exs
new file mode 100644
index 0000000..4f2e4e0
--- /dev/null
+++ b/test/lib/elven_gard/protocol/textual/float_type_test.exs
@@ -0,0 +1,19 @@
+defmodule ElvenGard.Protocol.Textual.FloatTypeTest do
+  use ExUnit.Case
+
+  alias ElvenGard.Protocol.Textual.FloatType
+
+  test "Encode textual float type" do
+    got = FloatType.encode(13.37)
+    expected = "13.37"
+
+    assert expected == got
+  end
+
+  test "Decode textual float type" do
+    got = FloatType.decode("13.37")
+    expected = 13.37
+
+    assert expected == got
+  end
+end
diff --git a/test/lib/elven_gard/protocol/textual/integer_type_test.exs b/test/lib/elven_gard/protocol/textual/integer_type_test.exs
new file mode 100644
index 0000000..500e443
--- /dev/null
+++ b/test/lib/elven_gard/protocol/textual/integer_type_test.exs
@@ -0,0 +1,19 @@
+defmodule ElvenGard.Protocol.Textual.IntegerTypeTest do
+  use ExUnit.Case
+
+  alias ElvenGard.Protocol.Textual.IntegerType
+
+  test "Encode textual integer type" do
+    got = IntegerType.encode(1337)
+    expected = "1337"
+
+    assert expected == got
+  end
+
+  test "Decode textual integer type" do
+    got = IntegerType.decode("1337")
+    expected = 1337
+
+    assert expected == got
+  end
+end
diff --git a/test/lib/elven_gard/protocol/textual/string_type_test.exs b/test/lib/elven_gard/protocol/textual/string_type_test.exs
new file mode 100644
index 0000000..b1539d5
--- /dev/null
+++ b/test/lib/elven_gard/protocol/textual/string_type_test.exs
@@ -0,0 +1,19 @@
+defmodule ElvenGard.Protocol.Textual.StringTypeTest do
+  use ExUnit.Case
+
+  alias ElvenGard.Protocol.Textual.StringType
+
+  test "Encode textual string type" do
+    got = StringType.encode("1337 1337 1337")
+    expected = "1337 1337 1337"
+
+    assert expected == got
+  end
+
+  test "Decode textual string type" do
+    got = StringType.decode("1337 1337 1337")
+    expected = "1337 1337 1337"
+
+    assert expected == got
+  end
+end
diff --git a/test/lib/elven_gard/type_test.exs b/test/lib/elven_gard/type_test.exs
new file mode 100644
index 0000000..ca30aed
--- /dev/null
+++ b/test/lib/elven_gard/type_test.exs
@@ -0,0 +1,23 @@
+defmodule ElvenGard.TypeTest do
+  use ExUnit.Case
+
+  defmodule BasicType do
+    use ElvenGard.Type
+
+    @impl ElvenGard.Type
+    def encode(val, _opts), do: val
+
+    @impl ElvenGard.Type
+    def decode(val, _opts), do: val
+  end
+
+  describe "Type behaviour defines:" do
+    test "encode/1" do
+      assert :erlang.function_exported(BasicType, :encode, 1)
+    end
+
+    test "decode/1" do
+      assert :erlang.function_exported(BasicType, :decode, 1)
+    end
+  end
+end
diff --git a/test/test_helper.exs b/test/test_helper.exs
index 869559e..1f9d0cd 100644
--- a/test/test_helper.exs
+++ b/test/test_helper.exs
@@ -1 +1,2 @@
+ExUnit.configure(exclude: [:pending])
 ExUnit.start()