public void Test_GetValue_WhenComponentNotCorrectType_ShouldRaiseError()
{
//---------------Set up test pack-------------------
var propertyInfo = typeof(FakeBO).GetProperty("FakeBOName");
PropertyDescriptorPropInfo propDescriptor = new PropertyDescriptorPropInfoSpy(propertyInfo);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
try
{
propDescriptor.GetValue(100);
Assert.Fail("Expected to throw an InvalidCastException");
}
//---------------Test Result -----------------------
catch (InvalidCastException ex)
{
StringAssert.Contains("You cannot GetValue since the component is not of type ", ex.Message);
}
}
public void Test_GetValue_WhenComponentNull_ShouldRaiseError()
{
//---------------Set up test pack-------------------
var propertyInfo = new FakePropertyInfo();
PropertyDescriptorPropInfo propDescriptor = new PropertyDescriptorPropInfoSpy(propertyInfo);
object x = null;
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
try
{
propDescriptor.GetValue(x);
Assert.Fail("Expected to throw an ArgumentNullException");
}
//---------------Test Result -----------------------
catch (ArgumentNullException ex)
{
StringAssert.Contains("component", ex.ParamName);
StringAssert.Contains("Value cannot be null.", ex.Message);
}
}
public void Test_GetValue_WhenComponentNull_ShouldRaiseError()
{
//---------------Set up test pack-------------------
var propertyInfo = new FakePropertyInfo();
PropertyDescriptorPropInfo propDescriptor = new PropertyDescriptorPropInfoSpy(propertyInfo);
object x = null;
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
try
{
propDescriptor.GetValue(x);
Assert.Fail("Expected to throw an ArgumentNullException");
}
//---------------Test Result -----------------------
catch (ArgumentNullException ex)
{
StringAssert.Contains("component", ex.ParamName);
StringAssert.Contains("Value cannot be null.", ex.Message);
}
}
public void Test_GetValue_WhenComponentNotCorrectType_ShouldRaiseError()
{
//---------------Set up test pack-------------------
var propertyInfo = typeof(FakeBO).GetProperty("FakeBOName");
PropertyDescriptorPropInfo propDescriptor = new PropertyDescriptorPropInfoSpy(propertyInfo);
//---------------Assert Precondition----------------
//---------------Execute Test ----------------------
try
{
propDescriptor.GetValue(100);
Assert.Fail("Expected to throw an InvalidCastException");
}
//---------------Test Result -----------------------
catch (InvalidCastException ex)
{
StringAssert.Contains("You cannot GetValue since the component is not of type ", ex.Message);
}
}