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%TVALIDATECOLUMNNAMES Unit tests for
% arrow.tabular.internal.validateColumnNames.
% 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.
classdef tValidateColumnNames < matlab.unittest.TestCase
methods(Test)
function ValidColumnNames(testCase)
% Verify validateColumnNames() does not error if the
% column names array has the expected number of elements.
import arrow.tabular.internal.validateColumnNames
columnNames = ["A", "B", "C"];
fcn = @() validateColumnNames(columnNames, 3);
testCase.verifyWarningFree(fcn);
columnNames = string.empty(1, 0);
fcn = @() validateColumnNames(columnNames, 0);
testCase.verifyWarningFree(fcn);
end
function WrongNumberColumnNames(testCase)
% Verify validateColumnNames() errors if the column names
% array provided does not have the correct number of elements.
% The error thrown should have the identifier
% "arrow:tabular:WrongNumberColumnNames";
import arrow.tabular.internal.validateColumnNames
columnNames = ["A", "B", "C"];
fcn = @() validateColumnNames(columnNames, 2);
testCase.verifyError(fcn, "arrow:tabular:WrongNumberColumnNames");
fcn = @() validateColumnNames(columnNames, 4);
testCase.verifyError(fcn, "arrow:tabular:WrongNumberColumnNames");
fcn = @() validateColumnNames(columnNames, 0);
testCase.verifyError(fcn, "arrow:tabular:WrongNumberColumnNames");
end
end
end
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