public void NewListShouldNotHaveContainedAnything(string item)
{
var sut = new MemoryList <string>();
var contained = sut.HasEverContained(item);
Assert.False(contained);
}
public void ListWithSomeItemsAddedAndRemovedShouldNotHaveContainedOthers(string extra, params string[] items)
{
var sut = new MemoryList <string>();
sut.AddRange(items);
sut.Remove(items[0]);
Assert.False(sut.HasEverContained(extra));
}
public void OneItemAddedShouldHaveBeenContained(string item)
{
var sut = new MemoryList <string>();
sut.Add(item);
var contained = sut.HasEverContained(item);
Assert.True(contained);
}
public void SeveralItemsAddRangedShouldHaveBeenContained(params string[] items)
{
var sut = new MemoryList <string>();
sut.AddRange(items);
foreach (var item in items)
{
Assert.True(sut.HasEverContained(item));
}
}
[InlineData(-6)] //should return true
public void ShouldReturnTrueIfValueWasEverIncluded(int value)
{
var memoryList = new MemoryList <int>();
memoryList.Add(6);
memoryList.Add(-6);
memoryList.Remove(-6);
var result = memoryList.HasEverContained(value);
Assert.True(result);
}
public void OneItemAddedAndRemovedWithUpcastingShouldHaveBeenContained(string item)
{
var sut = new MemoryList <string>();
List <string> sutAsList = sut; // implicit upcasting
sutAsList.Add(item);
sutAsList.Remove(item);
// because of using "new" and not "override", that ran List's "add" and "remove",
// not MemoryList's.
var contained = sut.HasEverContained(item);
Assert.True(contained);
}
public void ContainsShouldBeTrueIfValueEverContained(int value)
{
// arrange
var memoryList = new MemoryList <int>();
//act
memoryList.Add(-5);
memoryList.Add(10);
memoryList.Remove(10);
// assert
Assert.True(memoryList.HasEverContained(value));
// act
var result = memoryList.Contains(value);
// assert
Assert.False(memoryList.Contains(value));
}