// Type: double?, selector function is called
public static int Test6h()
{
Data_Ndouble[] source = new Data_Ndouble[] { new Data_Ndouble {
name = "Tim", num = 5.5
},
new Data_Ndouble {
name = "John", num = 15.5
},
new Data_Ndouble {
name = "Bob", num = null
} };
double?expected = 10.5;
var actual = source.Average((e) => e.num);
return((expected == actual) ? 0 : 1);
}
// Type: double?, selector function is called
public static int Test6g()
{
Data_Ndouble[] source = new Data_Ndouble[]{ new Data_Ndouble{name="Tim", num=9.5},
new Data_Ndouble{name="John", num=null},
new Data_Ndouble{name="Bob", num=8.5}
};
double? expected = 18.0;
var actual = source.Sum((e) => e.num);
return ((expected == actual) ? 0 : 1);
}
// Type: double?, selector function is called
public static int Test6h()
{
Data_Ndouble[] source = new Data_Ndouble[]{ new Data_Ndouble{name="Tim", num=5.5},
new Data_Ndouble{name="John", num=15.5},
new Data_Ndouble{name="Bob", num=null}
};
double? expected = 10.5;
var actual = source.Average((e) => e.num);
return ((expected == actual) ? 0 : 1);
}
// Type: double?, selector function is called
public static int Test6g()
{
Data_Ndouble[] source = new Data_Ndouble[]{ new Data_Ndouble{name="Tim", num=40.5},
new Data_Ndouble{name="John", num=null},
new Data_Ndouble{name="Bob", num=100.45}
};
double expected = 100.45;
var actual = source.Max((e) => e.num);
return ((expected == actual) ? 0 : 1);
}