public void Passing_Null_ErrorSelector_Throws()
{
Assert.Throws <ArgumentNullException>(
AssertionUtilities.ErrorSelectorName,
() => AssertionUtilities.GetGender(2).SafeCast <int>(null)
);
}
public void With_Error_Double_Type_Throws()
{
var result = AssertionUtilities.GetGender(int.MaxValue).Map(x => (int)x);
Assert.Throws <InvalidCastException>(
() => result.FullCast <AssertionUtilities.Gender, AssertionUtilities.Error>()
);
}
public void Result_With_Error_Using_Invalid_Cast_Expects_No_Exception()
{
const int identity = 3;
AssertionUtilities
.GetGender(identity)
.Cast <string>()
.AssertError("Could not determine gender.");
}
public void Result_With_Value_Using_Valid_Cast_Expects_Value_As_Int()
{
const int identity = 0;
AssertionUtilities
.GetGender(identity)
.Cast <int>()
.AssertValue(identity);
}
public void Result_With_Error_Using_Valid_Cast_Expects_Error()
{
const int identity = 3;
AssertionUtilities
.GetGender(identity)
.SafeCast <int>(gender => "ERROR")
.AssertError("Could not determine gender.");
}
public void With_Valid_Value_Valid_Cast_Double_Type()
{
var result = AssertionUtilities.GetGender(0).Map(x => (int)x);
Assert.Null(
Record.Exception(
() => result.FullCast <AssertionUtilities.Gender, AssertionUtilities.Error>()
)
);
}
public void Result_With_Value_Using_Invalid_Cast_Expects_Cast_Exception()
{
const int identity = 0;
Assert.Throws <InvalidCastException>(() => AssertionUtilities.GetGender(identity).Cast <string>());
}
public void Result_With_Value_Using_Invalid_Cast_Expects_Cast_Exception()
{
AssertionUtilities.GetGender(0)
.SafeCast <int>(gender => "ERROR");
}