if err == nil {
		t.Error("expected multipart EOF, got nil")
	}

	req.Header = Header{"Content-Type": {"text/plain"}}
	err = req.ParseMultipartForm(25)
	if err != ErrNotMultipart {
		t.Error("expected ErrNotMultipart for text/plain")
	}
}

// Issue 45789: multipart form should not include directory path in filename
func TestParseMultipartFormFilename(t *testing.T) {
	postData :=
		`--xxx