1 files changed, 97 insertions, 0 deletions
diff --git a/src/arrow/matlab/test/util/createVariablesAndMetadataStructs.m b/src/arrow/matlab/test/util/createVariablesAndMetadataStructs.m
new file mode 100644
index 000000000..0c60cbfbb
--- /dev/null
+++ b/src/arrow/matlab/test/util/createVariablesAndMetadataStructs.m
@@ -0,0 +1,97 @@
+function [variables, metadata] = createVariablesAndMetadataStructs()
+% CREATEVARIABLESANDMETADATASTRUCTS Helper function for creating
+% Feather MEX variables and metadata structs.
+
+% Licensed to the Apache Software Foundation (ASF) under one or more
+% contributor license agreements.  See the NOTICE file distributed with
+% this work for additional information regarding copyright ownership.
+% The ASF licenses this file to you under the Apache License, Version
+% 2.0 (the "License"); you may not use this file except in compliance
+% with the License.  You may obtain a copy of the License at
+%
+%   http://www.apache.org/licenses/LICENSE-2.0
+%
+% Unless required by applicable law or agreed to in writing, software
+% distributed under the License is distributed on an "AS IS" BASIS,
+% WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
+% implied.  See the License for the specific language governing
+% permissions and limitations under the License.
+
+import mlarrow.util.*;
+
+type = 'uint8';
+data = uint8([1; 2; 3]);
+valid = logical([0; 1; 0]);
+name = 'uint8';
+uint8Variable = createVariableStruct(type, data, valid, name);
+
+type = 'uint16';
+data = uint16([1; 2; 3]);
+valid = logical([0; 1; 0]);
+name = 'uint16';
+uint16Variable = createVariableStruct(type, data, valid, name);
+
+type = 'uint32';
+data = uint32([1; 2; 3]);
+valid = logical([0; 1; 0]);
+name = 'uint32';
+uint32Variable = createVariableStruct(type, data, valid, name);
+
+type = 'uint64';
+data = uint64([1; 2; 3]);
+valid = logical([0; 1; 0]);
+name = 'uint64';
+uint64Variable = createVariableStruct(type, data, valid, name);
+
+type = 'int8';
+data = int8([1; 2; 3]);
+valid = logical([0; 1; 0]);
+name = 'int8';
+int8Variable = createVariableStruct(type, data, valid, name);
+
+type = 'int16';
+data = int16([1; 2; 3]);
+valid = logical([0; 1; 0]);
+name = 'int16';
+int16Variable = createVariableStruct(type, data, valid, name);
+
+type = 'int32';
+data = int32([1; 2; 3]);
+valid = logical([0; 1; 0]);
+name = 'int32';
+int32Variable = createVariableStruct(type, data, valid, name);
+
+type = 'int64';
+data = int64([1; 2; 3]);
+valid = logical([0; 1; 0]);
+name = 'int64';
+int64Variable = createVariableStruct(type, data, valid, name);
+
+type = 'single';
+data = single([1; 2; 3]);
+valid = logical([0; 1; 0]);
+name = 'single';
+singleVariable = createVariableStruct(type, data, valid, name);
+
+type = 'double';
+data = double([1; 2; 3]);
+valid = logical([0; 1; 0]);
+name = 'double';
+doubleVariable = createVariableStruct(type, data, valid, name);
+
+variables = [uint8Variable, ...
+             uint16Variable, ...
+             uint32Variable, ...
+             uint64Variable, ...
+             int8Variable, ...
+             int16Variable, ...
+             int32Variable, ...
+             int64Variable, ...
+             singleVariable, ...
+             doubleVariable];
+
+numRows = 3;
+numVariables = length(variables);
+
+metadata = createMetadataStruct(numRows, numVariables);
+end