在工作文件夹下的文件中，构造 Employee 类。

classdef Employee

properties (SetAccess=immutable)

Name

end

properties (Access=private)

Location

end

methods

function obj = Employee(name,location)

obj.Name = name;

obj.Location = location;

end

end

end

在命令提示符处，创建 Employee 类的两个实例。

e1 = Employee('sam','Building A');

e2 = Employee('Sam','Building B');

创建一个供交互测试的测试用例。

import matlab.unittest.TestCase

import matlab.unittest.constraints.IsEqualTo

import matlab.unittest.constraints.PublicPropertyComparator

import matlab.unittest.constraints.StringComparator

testCase = TestCase.forInteractiveUse;

构造一个比较器并验证 e1 和 e2 是否相等。

compObj = PublicPropertyComparator;

testCase.verifyThat(e1, IsEqualTo(e2,'Using',compObj))

Error using matlab.unittest.constraints.Comparator/throwUnsupportedValue (line 313)

None of the currently available comparators support the value.

Available Comparators:

1×0 Comparator array with no properties.

Value (char):

Sam

Error in matlab.unittest.constraints.Comparator>getActExpCompFrom (line 402)

throwUnsupportedValue(comparison.Comparators,expVal);

Error in matlab.unittest.constraints.Comparator>deepComparisonIsSatisfied (line 351)

[actVal,expVal,comp] = getActExpCompFrom(comparison);

Error in matlab.unittest.constraints.Comparator>deepComparisonIsSatisfied (line 355)

if ~deepComparisonIsSatisfied(subComparisonArray(k))

Error in matlab.unittest.constraints.Comparator/satisfiedBy (line 84)

bool = deepComparisonIsSatisfied(comparison);

Error in matlab.unittest.constraints.IsEqualTo/satisfiedBy (line 193)

bool = constraint.Comparator.satisfiedBy(actual,constraint.Expected);

Error in matlab.unittest.internal.qualifications.QualificationDelegate/qualifyThat (line 80)

result = constraint.satisfiedBy(actual);

Error in matlab.unittest.qualifications.Verifiable/verifyThat (line 230)

qualifyThat(verifiable.VerificationDelegate, ...

测试失败，原因是默认情况下 PublicPropertyComparator 不支持字符向量。

构造一个支持字符向量的比较器。指定比较不区分大小写。

compObj = PublicPropertyComparator(StringComparator);

testCase.verifyThat(e1, IsEqualTo(e2,'Using',compObj, 'IgnoringCase',true))

Interactive verification passed.

即使 e1.Location 和 e2.Location 不相同，测试也将通过。由于 Location 为私有属性，比较器将不比较其内容。