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% 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 tStringType < matlab.unittest.TestCase
%TSTRINGTYPE Test class for arrow.type.StringType
methods (Test)
function Basic(tc)
type = arrow.string;
className = string(class(type));
tc.verifyEqual(className, "arrow.type.StringType");
tc.verifyEqual(type.ID, arrow.type.ID.String);
end
function NumFields(tc)
type = arrow.string;
tc.verifyEqual(type.NumFields, int32(0));
end
function IsEqualTrue(testCase)
% Verifies isequal method of arrow.type.StringType returns true if
% these conditions are met:
%
% 1. All input arguments have a class type arrow.type.StringType
% 2. All inputs have the same size
% Scalar StringType arrays
stringType1 = arrow.string();
stringType2 = arrow.string();
testCase.verifyTrue(isequal(stringType1, stringType2));
% Non-scalar StringType arrays
typeArray1 = [stringType1 stringType1];
typeArray2 = [stringType2 stringType2];
testCase.verifyTrue(isequal(typeArray1, typeArray2));
end
function IsEqualFalse(testCase)
% Verifies the isequal method of arrow.type.StringType returns
% false when expected.
% Pass a different arrow.type.Type subclass to isequal
stringType = arrow.string();
int32Type = arrow.int32();
testCase.verifyFalse(isequal(stringType, int32Type));
testCase.verifyFalse(isequal([stringType stringType], [int32Type int32Type]));
% StringType arrays have different sizes
typeArray1 = [stringType stringType];
typeArray2 = [stringType stringType]';
testCase.verifyFalse(isequal(typeArray1, typeArray2));
end
function TestFieldsProperty(testCase)
% Verify Fields is a 0x0 arrow.type.Field array.
type = arrow.string();
fields = type.Fields;
testCase.verifyEqual(fields, arrow.type.Field.empty(0, 0));
end
function FieldsNoSetter(testCase)
% Verify the Fields property is not settable.
type = arrow.string();
testCase.verifyError(@() setfield(type, "Fields", "1"), "MATLAB:class:SetProhibited");
end
function InvalidFieldIndex(testCase)
% Verify the field() method throws the expected error message
% when given an invalid index.
type = arrow.string();
testCase.verifyError(@() type.field(0), "arrow:badsubscript:NonPositive");
testCase.verifyError(@() type.field("A"), "arrow:badsubscript:NonNumeric");
% NOTE: For StringType, Fields is always empty.
testCase.verifyError(@() type.field(1), "arrow:index:EmptyContainer");
end
end
end
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