From 69ca7ec52ce218947125b3df07be25e634e515d6 Mon Sep 17 00:00:00 2001
From: Kharec <sandro@cazzaniga.fr>
Date: Sun, 11 Jan 2026 01:08:59 +0100
Subject: [PATCH] test: add unit test for part one

---
 internal/2015/DayFifteen/code_test.go | 16 ++++++++++++++++
 1 file changed, 16 insertions(+)
 create mode 100644 internal/2015/DayFifteen/code_test.go

diff --git a/internal/2015/DayFifteen/code_test.go b/internal/2015/DayFifteen/code_test.go
new file mode 100644
index 0000000..ba3884d
--- /dev/null
+++ b/internal/2015/DayFifteen/code_test.go
@@ -0,0 +1,16 @@
+package dayfifteen
+
+import "testing"
+
+var testInput = []string{
+	"Butterscotch: capacity -1, durability -2, flavor 6, texture 3, calories 8",
+	"Cinnamon: capacity 2, durability 3, flavor -2, texture -1, calories 3",
+}
+
+func TestPartOne(t *testing.T) {
+	expected := 62842880
+	got := PartOne(testInput)
+	if got != expected {
+		t.Errorf("PartOne() = %d, want %d", got, expected)
+	}
+}