when
Class: matlab.mock.PropertyGetBehavior
Package: matlab.mock
Specify mock object property access action
Syntax
when(behavior,action)
Description
when(
specifies
the action that a mock object property takes when it is accessed.behavior
,action
)
Input Arguments
behavior
— Behavior of mock
matlab.mock.PropertyGetBehavior
instance
Behavior of the mock, specified as a matlab.mock.PropertyGetBehavior
instance.
To create an instance of matlab.mock.PropertyGetBehavior
,
call the matlab.mock.PropertyBehavior.get
method
with the behavior object.
Example: get(myMockBehavior.MyProperty)
action
— Defined action
instance of matlab.mock.actions.ReturnStoredValue
| instance of matlab.mock.actions.ThrowException
Defined action, specified as an instance of matlab.mock.actions.ReturnStoredValue
or matlab.mock.actions.ThrowException
.
Example: ReturnStoredValue
Example: ThrowException(MException('Account:deposit:Negative','Deposit
amount must be positive.'))
Examples
Specify Mock Property Access Behavior
Create a mock for a person class. The mock has one property, Name
.
testCase = matlab.mock.TestCase.forInteractiveUse; [mock,behavior] = testCase.createMock('AddedProperties',"Name");
Set up the behavior. When the property is accessed, return the value "David"
.
import matlab.mock.actions.AssignOutputs when(get(behavior.Name),AssignOutputs("David"))
Access the property.
name = mock.Name
name = "David"
Version History
Introduced in R2017a
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