//go:build linux || freebsd
// +build linux freebsd

package sftp

import (
	"testing"
)

func TestHostKeyCallbackInsecure(t *testing.T) {
	cb, err := hostKeyCallback("", true)
	if err != nil {
		t.Fatalf("hostKeyCallback: %v", err)
	}
	if cb == nil {
		t.Fatal("expected callback")
	}
}

func TestHostKeyCallbackMissingFile(t *testing.T) {
	_, err := hostKeyCallback("/nonexistent/known_hosts", false)
	if err == nil {
		t.Fatal("expected error for missing known_hosts")
	}
}