From f28611a7bfe3d5802b53f3eb7e8c278a0b0a8815 Mon Sep 17 00:00:00 2001
From: Kharec <sandro@cazzaniga.fr>
Date: Mon, 1 Dec 2025 20:09:29 +0100
Subject: [PATCH] test: add unit tests for p1/p2

---
 internal/2018/DayThree/code_test.go | 25 +++++++++++++++++++++++++
 1 file changed, 25 insertions(+)
 create mode 100644 internal/2018/DayThree/code_test.go

diff --git a/internal/2018/DayThree/code_test.go b/internal/2018/DayThree/code_test.go
new file mode 100644
index 0000000..537209b
--- /dev/null
+++ b/internal/2018/DayThree/code_test.go
@@ -0,0 +1,25 @@
+package daythree
+
+import "testing"
+
+var testInput = []string{
+	"#1 @ 1,3: 4x4",
+	"#2 @ 3,1: 4x4",
+	"#3 @ 5,5: 2x2",
+}
+
+func TestPartOne(t *testing.T) {
+	expected := 4
+	got := PartOne(testInput)
+	if got != expected {
+		t.Errorf("PartOne() = %d, want %d", got, expected)
+	}
+}
+
+func TestPartTwo(t *testing.T) {
+	expected := 3
+	got := PartTwo(testInput)
+	if got != expected {
+		t.Errorf("PartTwo() = %d, want %d", got, expected)
+	}
+}