MATLAB Programming Fundamentals - MathWorks

that returns a StringDiagnostic. Tolerance classes must implement a

getDiagosticFor method.

methods

function diag = getDiagnosticFor(tolerance, actual, expected)

import matlab.unittest.diagnostics.StringDiagnostic

if ~isSameSize(actual.Sequence, expected.Sequence)

str = 'The DNA sequences must be the same length.';

else

str = sprintf('%s%d.\n%s%d.', ...

'The DNA sequences have a Hamming distance of ', ...

hammingDistance(actual.Sequence, expected.Sequence), ...

'The allowable distance is ', ...

tolerance.Value);

end

diag = StringDiagnostic(str);

end

end

HammingDistance Class Definition Summary

classdef HammingDistance < matlab.unittest.constraints.Tolerance

properties

Value

end

methods

function tolerance = HammingDistance(value)

tolerance.Value = value;

end

function tf = supports(~, value)

tf = isa(value, 'DNA');

end

function tf = satisfiedBy(tolerance, actual, expected)

if ~isSameSize(actual.Sequence, expected.Sequence)

tf = false;

return

end

tf = hammingDistance(actual.Sequence,expected.Sequence) <= tolerance.Value;

end

function diag = getDiagnosticFor(tolerance, actual, expected)

33 Unit Testing