r.TrimLeadingSpace = tt.TrimLeadingSpace
		r.ReuseRecord = tt.ReuseRecord
		return r, positions, errPositions, input
	}

	for _, tt := range readTests {
		t.Run(tt.Name, func(t *testing.T) {
			r, positions, errPositions, input := newReader(tt)
			out, err := r.ReadAll()
			if wantErr := firstError(tt.Errors, positions, errPositions); wantErr != nil {
				if !reflect.DeepEqual(err, wantErr) {