up

internal/lookup/homecall_test.go

@@ -0,0 +1,21 @@
+package lookup
+
+import "testing"
+
+func TestHomeCall(t *testing.T) {
+	cases := map[string]string{
+		"JW/OR1A":   "OR1A",  // portable prefix → home call
+		"DL/F4NIE":  "F4NIE", // prefix/home
+		"F4BPO/P":   "F4BPO", // suffix dropped
+		"F4BPO/9":   "F4BPO", // call-area digit dropped
+		"VP8/F4BPO": "F4BPO", // both have digits → longest wins
+		"MM/KA9P":   "KA9P",  // Scotland prefix + US home
+		"OH2BH":     "OH2BH", // no slash → unchanged
+		"3D2/RW3RN": "RW3RN",
+	}
+	for in, want := range cases {
+		if got := homeCall(in); got != want {
+			t.Errorf("homeCall(%q) = %q, want %q", in, got, want)
+		}
+	}
+}