public void reverse_employees()
{
var employees = new List <Employee>
{
new Employee {
FirstName = "Joey", LastName = "Chen"
},
new Employee {
FirstName = "Tom", LastName = "Li"
},
new Employee {
FirstName = "David", LastName = "Wang"
}
};
var actual = MyOwnLinq.JoeyReverse(employees);
var expected = new List <Employee>
{
new Employee {
FirstName = "David", LastName = "Wang"
},
new Employee {
FirstName = "Tom", LastName = "Li"
},
new Employee {
FirstName = "Joey", LastName = "Chen"
}
};
expected.ToExpectedObject().ShouldMatch(actual);
}
public void get_full_name_length()
{
var employees = new List <Employee>
{
new Employee {
FirstName = "Joey", LastName = "Chen"
},
new Employee {
FirstName = "Tom", LastName = "Li"
},
new Employee {
FirstName = "David", LastName = "Chen"
}
};
var expected = new[]
{
8, 5, 9
//"JoeyChen",
//"TomLi",
//"DavidChen",
};
var actual = MyOwnLinq.JoeySelect(employees, e => $"{e.FirstName}{e.LastName}".Length);
expected.ToExpectedObject().ShouldMatch(actual);
}
public void get_full_name()
{
var employees = new List <Employee>
{
new Employee {
FirstName = "Joey", LastName = "Chen"
},
new Employee {
FirstName = "Tom", LastName = "Li"
},
new Employee {
FirstName = "David", LastName = "Chen"
}
};
var expected = new[]
{
"Joey-Chen",
"Tom-Li",
"David-Chen",
};
var actual = MyOwnLinq.JoeySelect(employees, e => $"{e.FirstName}-{e.LastName}");
expected.ToExpectedObject().ShouldMatch(actual);
}
public void orderBy_lastName_and_firstName_and_age()
{
var employees = new[]
{
new Employee {
FirstName = "Joey", LastName = "Wang", Age = 50
},
new Employee {
FirstName = "Tom", LastName = "Li", Age = 31
},
new Employee {
FirstName = "Joseph", LastName = "Chen", Age = 32
},
new Employee {
FirstName = "Joey", LastName = "Chen", Age = 33
},
new Employee {
FirstName = "Joey", LastName = "Wang", Age = 20
},
};
var firstCombineComparer = new CombineComparer <string>(element => element.LastName, Comparer <string> .Default);
var secondCombineComparer = new CombineComparer <string>(element => element.FirstName, Comparer <string> .Default);
var thirdCombineComparer = new CombineComparer <int>(element => element.Age, Comparer <int> .Default);
var firstCombo = new ComboComparer(firstCombineComparer, secondCombineComparer);
var finalCombo = new ComboComparer(firstCombo, thirdCombineComparer);
var actual = MyOwnLinq.JoeyOrderBy(employees, finalCombo);
var expected = new[]
{
new Employee {
FirstName = "Joey", LastName = "Chen", Age = 33
},
new Employee {
FirstName = "Joseph", LastName = "Chen", Age = 32
},
new Employee {
FirstName = "Tom", LastName = "Li", Age = 31
},
new Employee {
FirstName = "Joey", LastName = "Wang", Age = 20
},
new Employee {
FirstName = "Joey", LastName = "Wang", Age = 50
},
};
expected.ToExpectedObject().ShouldMatch(actual);
}
public void replace_http_to_https_and_append_joey()
{
var urls = GetUrls();
var actual = MyOwnLinq.JoeySelect(urls, url => url.Replace("http://", "https://") + "/joey");
var expected = new List <string>
{
"https://tw.yahoo.com/joey",
"https://facebook.com/joey",
"https://twitter.com/joey",
"https://github.com/joey",
};
expected.ToExpectedObject().ShouldEqual(actual.ToList());
}
public void orderBy_lastName_and_firstName()
{
var employees = new[]
{
new Employee {
FirstName = "Joey", LastName = "Wang"
},
new Employee {
FirstName = "Tom", LastName = "Li"
},
new Employee {
FirstName = "Joseph", LastName = "Chen"
},
new Employee {
FirstName = "Joey", LastName = "Chen"
},
};
var firstCombineComparer = new CombineComparer <string>(element => element.LastName, Comparer <string> .Default);
var secondCombineComparer = new CombineComparer <string>(element => element.FirstName, Comparer <string> .Default);
var actual = MyOwnLinq.JoeyOrderBy(employees, new ComboComparer(firstCombineComparer, secondCombineComparer));
var expected = new[]
{
new Employee {
FirstName = "Joey", LastName = "Chen"
},
new Employee {
FirstName = "Joseph", LastName = "Chen"
},
new Employee {
FirstName = "Tom", LastName = "Li"
},
new Employee {
FirstName = "Joey", LastName = "Wang"
},
};
expected.ToExpectedObject().ShouldMatch(actual);
}