diff --git a/day03/tests/test_input.txt b/day03/tests/test_input.txt
new file mode 100644
index 00000000..b20187f3
--- /dev/null
+++ b/day03/tests/test_input.txt
@@ -0,0 +1,10 @@
+467..114..
+...*......
+..35..633.
+......#...
+617*......
+.....+.58.
+..592.....
+......755.
+...$.*....
+.664.598..
diff --git a/day03/tests/tests.sh b/day03/tests/tests.sh
new file mode 100644
index 00000000..82842a37
--- /dev/null
+++ b/day03/tests/tests.sh
@@ -0,0 +1,8 @@
+#!/bin/bash
+cd "$(dirname "$0")"
+
+source ../../test_utils/run_test.sh
+
+echo "Running tests for day03"
+run_test "part1" "./test_input.txt" "../main.c" "Part 1: 4361"
+run_test "part1" "./test_input.txt" "../main.c" "Part 2: 467835"
\ No newline at end of file