feat(data-types): add skeleton of data types, add an Integer type

- add convenience functions to instantiate Integer
- add tests for the basic functions of integers

tests/common/data_types/test_integers.py

@@ -0,0 +1,40 @@
+"""Test file for HDK's common/data_types/integers.py"""
+
+import random
+
+import pytest
+
+from hdk.common.data_types.integers import Integer, SignedInteger, UnsignedInteger
+
+
+@pytest.mark.parametrize(
+    "integer,expected_min,expected_max",
+    [
+        pytest.param(Integer(8, is_signed=False), 0, 255, id="8 bits unsigned Integer"),
+        pytest.param(UnsignedInteger(8), 0, 255, id="8 bits UnsignedInteger"),
+        pytest.param(Integer(8, is_signed=True), -128, 127, id="8 bits signed Integer"),
+        pytest.param(SignedInteger(8), -128, 127, id="8 bits SignedInteger"),
+        pytest.param(Integer(32, is_signed=False), 0, 4_294_967_295, id="32 bits unsigned Integer"),
+        pytest.param(UnsignedInteger(32), 0, 4_294_967_295, id="32 bits UnsignedInteger"),
+        pytest.param(
+            Integer(32, is_signed=True),
+            -2_147_483_648,
+            2_147_483_647,
+            id="32 bits signed Integer",
+        ),
+        pytest.param(
+            SignedInteger(32),
+            -2_147_483_648,
+            2_147_483_647,
+            id="32 bits SignedInteger",
+        ),
+    ],
+)
+def test_basic_integers(integer: Integer, expected_min: int, expected_max: int):
+    """Test integer class basic functions"""
+    assert integer.min_value() == expected_min
+    assert integer.max_value() == expected_max
+
+    assert integer.can_represent_value(random.randint(expected_min, expected_max))
+    assert not integer.can_represent_value(expected_min - 1)
+    assert not integer.can_represent_value(expected_max + 1)