Day 2 part 1

2017/2/2_test.go

@@ -0,0 +1,13 @@
+package main
+
+import "testing"
+
+func TestChecksum(t *testing.T) {
+	var spreadsheet = `5 1 9 5
+7 5 3
+2 4 6 8`
+	want := 18
+	if got := checksum(spreadsheet); got != want {
+		t.Errorf("checksum() = %d; want %d", got, want)
+	}
+}