Implement 2019 day 2

Start of the intcode madness

2019/tests/test_intcode.py

@@ -0,0 +1,20 @@
+from typing import List
+
+import pytest
+
+from aoc2019.intcode import Computer
+
+
+@pytest.mark.parametrize('program,expected', [
+    ([1, 9, 10, 3, 2, 3, 11, 0, 99, 30, 40, 50], [3500, 9, 10, 70, 2, 3, 11, 0, 99, 30, 40, 50]),
+    ([1, 0, 0, 0, 99], [2, 0, 0, 0, 99]),
+    ([2, 3, 0, 3, 99], [2, 3, 0, 6, 99]),
+    ([2, 4, 4, 5, 99, 0], [2, 4, 4, 5, 99, 9801]),
+    ([1, 1, 1, 4, 99, 5, 6, 0, 99], [30, 1, 1, 4, 2, 5, 6, 0, 99])
+])
+def test_instructions_day2(program: List[int], expected: List[int]) -> None:
+    computer = Computer(program)
+
+    computer.run()
+
+    assert computer.program == expected