From 99857d8ca5f9e89ee38daacc1aa26f46d4461cab Mon Sep 17 00:00:00 2001
From: Kharec <sandro@cazzaniga.fr>
Date: Sun, 30 Nov 2025 12:45:53 +0100
Subject: [PATCH] test: add unit tests for P1/P2

---
 internal/2018/DayOne/code_test.go | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 internal/2018/DayOne/code_test.go

diff --git a/internal/2018/DayOne/code_test.go b/internal/2018/DayOne/code_test.go
new file mode 100644
index 0000000..372f6e8
--- /dev/null
+++ b/internal/2018/DayOne/code_test.go
@@ -0,0 +1,26 @@
+package dayone
+
+import "testing"
+
+var testInput = []int{
+	+1,
+	-2,
+	3,
+	1,
+}
+
+func TestPartOne(t *testing.T) {
+	expected := 3
+	got := PartOne(testInput)
+	if got != expected {
+		t.Errorf("PartOne() = %d, want %d", got, expected)
+	}
+}
+
+func TestPartTwo(t *testing.T) {
+	expected := 2
+	got := PartTwo(testInput)
+	if got != expected {
+		t.Errorf("PartTwo() = %d, want %d", got, expected)
+	}
+}