public void TrimListOfEmptyItems_WIth_All_Empty_Items_Returns_Empty()
{
Collection <string> empty = new Collection <string>()
{
"", "", " ", " ", ""
};
List <string> trimmedList = new List <string>(ListLibrary.TrimListOfEmptyItems(empty));
Assert.IsEmpty(trimmedList);
}
public void TrimListOfEmptyItems_With_No_Empty_Items_Returns_Original()
{
Collection <string> original = new Collection <string>()
{
"Foo", "Bar", "Moo", "Nar"
};
List <string> trimmedList = new List <string>(ListLibrary.TrimListOfEmptyItems(original));
Assert.IsTrue(original.Count == trimmedList.Count);
Assert.AreEqual(original[0], trimmedList[0]);
Assert.AreEqual(original[1], trimmedList[1]);
Assert.AreEqual(original[2], trimmedList[2]);
Assert.AreEqual(original[3], trimmedList[3]);
}
public void TrimListOfEmptyItems_Trims_Empty_Items()
{
Collection <string> original = new Collection <string>()
{
"Foo", "", "Bar", "Moo", " ", "Nar"
};
List <string> expectedResult = new List <string>()
{
"Foo", "Bar", "Moo", "Nar"
};
List <string> trimmedList = new List <string>(ListLibrary.TrimListOfEmptyItems(original));
Assert.IsTrue(original.Count > trimmedList.Count);
Assert.AreEqual(expectedResult[0], trimmedList[0]);
Assert.AreEqual(expectedResult[1], trimmedList[1]);
Assert.AreEqual(expectedResult[2], trimmedList[2]);
Assert.AreEqual(expectedResult[3], trimmedList[3]);
}
public void TrimListOfEmptyItems_Given_Null_Returns_Empty()
{
List <string> trimmedList = new List <string>(ListLibrary.TrimListOfEmptyItems(null));
Assert.IsEmpty(trimmedList);
}