Hi,
I am using Rhino.Mocks 3.5, assembly version is 3.5.0.1337.
Try to mock class with constructor which has one parameter.
When I pass one null-value into method MockRepository.GenerateMock<T>
(params object[]) I have got following exception:
"MissingMethodException: Can't find a constructor with matching
arguments"
When I cast this null-value to actual type everything works fine.
When I pass two or more null-values (without any type casting)
everything works fine.
You can cut and paste unit tests below:
public class CtorWithOneParam
{
private string _first;
public CtorWithOneParam(string first)
{
_first = first;
}
public virtual string FooMethod()
{
return _first;
}
}
public class CtorWithTwoParams
{
private string _first;
private string _second;
public CtorWithTwoParams(string first, string second)
{
_first = first;
_second = second;
}
public virtual string FooMethod()
{
return _first + _second;
}
}
public class CtorWithThreeParams
{
private string _first;
private string _second;
private string _third;
public CtorWithThreeParams(string first, string second, string
third)
{
_first = first;
_second = second;
_third = third;
}
public virtual string FooMethod()
{
return _first + _second + _third;
}
}
[TestFixture]
public class TestClassMocking
{
[Test]
public void TestCtorWithOneParamWhichEqualsToNull() // Failed
test
{
var result =
MockRepository.GenerateMock<CtorWithOneParam>(null);
Assert.IsNotNull(result);
}
[Test]
public void TestCtorWithOneParamWhichHasKnownTypeEqualsToNull()
{
var result =
MockRepository.GenerateMock<CtorWithOneParam>((string)
null);
Assert.IsNotNull(result);
}
[Test]
public void TestCtorWithOneParamWhichHasKnownType()
{
var result =
MockRepository.GenerateMock<CtorWithOneParam>
(string.Empty);
Assert.IsNotNull(result);
}
[Test]
public void TestCtorWithTwoParams()
{
var result =
MockRepository.GenerateMock<CtorWithTwoParams>(null,
null);
Assert.IsNotNull(result);
}
[Test]
public void TestCtorWithThreeParams()
{
var result =
MockRepository.GenerateMock<CtorWithThreeParams>(null,
null, null);
Assert.IsNotNull(result);
}
}
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