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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 hFixedWidthType < matlab.unittest.TestCase
% Test class that defines shared unit tests for classes that inherit from
% arrow.type.FixedWidthType
properties(Abstract)
ArrowType
TypeID
BitWidth
ClassName
end
methods(Test)
function TestClass(testCase)
% Verify ArrowType is an object of the expected class type.
name = string(class(testCase.ArrowType));
testCase.verifyEqual(name, testCase.ClassName);
end
function TestTypeID(testCase)
% Verify ID is set to the appropriate arrow.type.ID value.
arrowType = testCase.ArrowType;
testCase.verifyEqual(arrowType.ID, testCase.TypeID);
end
function TestBitWidth(testCase)
% Verify the BitWidth value.
arrowType = testCase.ArrowType;
testCase.verifyEqual(arrowType.BitWidth, testCase.BitWidth);
end
function TestNumFields(testCase)
% Verify NumFields is set to 0 for primitive types.
arrowType = testCase.ArrowType;
testCase.verifyEqual(arrowType.NumFields, int32(0));
end
function TestFieldsProperty(testCase)
% Verify Fields is a 0x0 arrow.type.Field array.
type = testCase.ArrowType;
fields = type.Fields;
testCase.verifyEqual(fields, arrow.type.Field.empty(0, 0));
end
function FieldsNoSetter(testCase)
% Verify the Fields property is not settable.
type = testCase.ArrowType;
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 = testCase.ArrowType;
testCase.verifyError(@() type.field(0), "arrow:badsubscript:NonPositive");
testCase.verifyError(@() type.field("A"), "arrow:badsubscript:NonNumeric");
% NOTE: For FixedWidthTypes, Fields is always empty.
testCase.verifyError(@() type.field(1), "arrow:index:EmptyContainer");
end
function TestBitWidthNoSetter(testCase)
% Verify that an error is thrown when trying to set the value
% of the BitWidth property.
arrowType = testCase.ArrowType;
testCase.verifyError(@() setfield(arrowType, "BitWidth", 64), "MATLAB:class:SetProhibited");
end
function TestIDNoSetter(testCase)
% Verify that an error is thrown when trying to set the value
% of the ID property.
arrowType = testCase.ArrowType;
testCase.verifyError(@() setfield(arrowType, "ID", 15), "MATLAB:class:SetProhibited");
end
function TestNumFieldsNoSetter(testCase)
% Verify that an error is thrown when trying to set the value
% of the NumFields property.
arrowType = testCase.ArrowType;
testCase.verifyError(@() setfield(arrowType, "NumFields", 2), "MATLAB:class:SetProhibited");
end
end
end
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