package afero

import (
	"testing"
)

func TestBasePath(t *testing.T) {
	baseFs := &MemMapFs{}
	baseFs.MkdirAll("/base/path/tmp", 0777)
	bp := &BasePathFs{source: baseFs, path: "/base/path"}

	if _, err := bp.Create("/tmp/foo"); err != nil {
		t.Errorf("Failed to set real path")
	}

	if fh, err := bp.Create("../tmp/bar"); err == nil {
		t.Errorf("succeeded in creating %s ...", fh.Name())
	}
}