08. 移行サンプル：Typemock Isolator による… で解説する移行結果（Example Test 2 - Complex Test）。

08_04.cs

[Test]
public void UserOfSomeClassDoSomething_should_show_MessageBox_if_an_exception_is_thrown()
{
    using (new IndirectionsContext())
    {
        // Arrange
        PSomeClass.MyMethod().Body = () => { throw new Exception("foo"); };

        var mockMessageBox = new Mock<IndirectionFunc<string, DialogResult>>();
        mockMessageBox.Setup(_ => _(string.Empty)).Returns(DialogResult.OK);

        PMessageBox.ShowString().Body = mockMessageBox.Object;

        // Act
        var user = new UserOfSomeClass();
        user.DoSomething();

        // Assert
        mockMessageBox.Verify(_ => _("Exception caught: foo"));
    }
}