1 package main
2 
3 import "testing"
4 
5 func TestSelectExpr(t *testing.T) {
6 	columns := []string{"from", "to", "date", "subject"}
7 	want := "IN (?, ?, ?, ?)"
8 	got := sqlInExpr(len(columns))
9 	if want != got {
10 		t.Errorf("want %s, got %s", want, got)
11 	}
12 }