day 1a

day01/day01_test.go

@@ -0,0 +1,31 @@
+package main
+
+import (
+	"os"
+	"testing"
+)
+
+func TestScanFile(t *testing.T) {
+    cases := []struct {
+        inFile string;
+		want int;
+    }{
+        {"input1.txt", 142},
+    }
+
+    for _, c := range cases {
+		f, err := os.Open(c.inFile)
+		if err != nil {
+			t.Fatal(err)
+		}
+
+		got, err := ScanFile(f)
+		if err != nil {
+			t.Fatal(err)
+		}
+		
+		if got != c.want {
+			t.Errorf("ScanFile(%q) == %q, want %q", c.inFile, got, c.want)
+		}
+	}
+}