public void TestGetObjectInstanceFromExpressionValueType()
{
DateTime dateTime = new DateTime();
Expression <Func <DateTime> > expression = () => dateTime.AddDays(2);
Assert.ThrowsException <NotSupportedException>(
() => ShimHelper.GetObjectInstanceFromExpression((expression.Body as MethodCallExpression).Object));
}
public static Shim Replace(Expression <Action> expression)
{
MethodCallExpression methodCall = expression.Body as MethodCallExpression;
return(new Shim(methodCall.Method, null)
{
_instance = ShimHelper.GetObjectInstanceFromExpression(methodCall.Object)
});
}
public void TestGetObjectInstanceFromExpression()
{
ShimHelperTests shimHelperTests = new ShimHelperTests();
Expression <Action> expression = () => shimHelperTests.TestGetObjectInstanceFromExpression();
var instance = ShimHelper.GetObjectInstanceFromExpression((expression.Body as MethodCallExpression).Object);
Assert.IsNotNull(instance);
Assert.AreEqual <Type>(typeof(ShimHelperTests), instance.GetType());
Assert.AreSame(shimHelperTests, instance);
Assert.AreNotSame(new ShimHelperTests(), instance);
}