@Override
    public boolean equals(Object obj) {
        if (this == obj) return true;
        if (obj == null) return false;
        if (getClass() != obj.getClass()) return false;
        MarkupErrorReporterMock other = (MarkupErrorReporterMock) obj;
        if (addCalled != other.addCalled) return false;
        if (data == null) {
            if (other.data != null) return false;
        } else if (!data.equals(other.data)) return false;
        if (iteratorCalled != other.iteratorCalled) return false;
        return true;
    }