public void SetCollectionAdapter_Contains_ElementNotPresent_ReturnsFalse()
{
List <int> backingList = new List <int>()
{
12, 13, 14
};
SetCollectionAdapter <int> adapter = new SetCollectionAdapter <int>(backingList);
Assert.IsFalse(adapter.Contains(7));
}
public void SetCollectionAdapter_SetEquals_AreEqual_ReturnsTrue()
{
List <int> backingList = new List <int>()
{
12, 13, 14
};
SetCollectionAdapter <int> adapter = new SetCollectionAdapter <int>(backingList);
Assert.IsTrue(adapter.SetEquals(new int[] { 14, 12, 13, 14, 13, 12 }));
}
public void SetCollectionAdapter_SetEquals_NotEqual_ReturnsFalse()
{
List <int> backingList = new List <int>()
{
12, 13, 14
};
SetCollectionAdapter <int> adapter = new SetCollectionAdapter <int>(backingList);
Assert.IsFalse(adapter.SetEquals(new int[] { 6, 7, 12, 18, 13, 9 }));
}
public void SetCollectionAdapter_Add_ElementPresent_ReturnsFalse()
{
List <int> backingList = new List <int>()
{
12, 13, 14
};
SetCollectionAdapter <int> adapter = new SetCollectionAdapter <int>(backingList);
Assert.IsFalse(adapter.Add(13));
Assert.AreEqual(3, backingList.Count);
}
public void SetCollectionAdapter_Add_ElementNotPresent_ReturnsTrue()
{
List <int> backingList = new List <int>()
{
12, 13, 14
};
SetCollectionAdapter <int> adapter = new SetCollectionAdapter <int>(backingList);
Assert.IsTrue(adapter.Add(7));
CollectionAssert.Contains(backingList, 7);
}
public void SetCollectionAdapter_Remove_ElementNotPresent_ReturnsFalse()
{
List <int> backingList = new List <int>()
{
12, 13, 14
};
SetCollectionAdapter <int> adapter = new SetCollectionAdapter <int>(backingList);
Assert.IsFalse(adapter.Remove(15));
CollectionAssert.AreEquivalent(new int[] { 12, 13, 14 }, backingList);
}
public void SetCollectionAdapter_UnionWith_Succeeds()
{
List <int> backingList = new List <int>()
{
12, 13, 14
};
SetCollectionAdapter <int> adapter = new SetCollectionAdapter <int>(backingList);
adapter.UnionWith(new int[] { 7, 13, 8, 12, 13, 15 });
CollectionAssert.AreEquivalent(new int[] { 7, 8, 12, 13, 14, 15 }, backingList);
}
public void SetCollectionAdapter_IntersectWith_RemovesElementsNotContainedByOther()
{
List <int> backingList = new List <int>()
{
12, 13, 14, 15, 16
};
SetCollectionAdapter <int> adapter = new SetCollectionAdapter <int>(backingList);
adapter.IntersectWith(new int[] { 7, 16, 94, 14, 14, 14, 14 });
CollectionAssert.AreEquivalent(new int[] { 14, 16 }, backingList);
}
public void SetCollectionAdapter_UnionWith_Null_ThrowsArgumentNull()
{
List <int> backingList = new List <int>()
{
12, 13, 14
};
SetCollectionAdapter <int> adapter = new SetCollectionAdapter <int>(backingList);
Assert.ThrowsException <ArgumentNullException>(
#pragma warning disable CS8625 // Cannot convert null literal to non-nullable reference type.
() => adapter.UnionWith(null));
#pragma warning restore CS8625 // Cannot convert null literal to non-nullable reference type.
}
public void SetCollectionAdapter_ExceptWith_RemovesContainedElements()
{
List <int> backingList = new List <int>()
{
12, 13, 14
};
SetCollectionAdapter <int> adapter = new SetCollectionAdapter <int>(backingList);
adapter.ExceptWith(new int[] { 7, 13, 28, 12, 13, 13, 12 });
Assert.AreEqual(1, backingList.Count);
Assert.AreEqual(14, backingList[0]);
}
public void SetCollectionAdapter_Add_IsReadOnly_ThrowsNotSupported()
{
ICollection <int> backingList = new ReadOnlyCollection <int>(new List <int>()
{
12, 13, 14
});
SetCollectionAdapter <int> adapter = new SetCollectionAdapter <int>(backingList);
NotSupportedException e = Assert.ThrowsException <NotSupportedException>(
() => adapter.Add(7));
Assert.AreEqual(
ExceptionMessages.CollectionIsReadOnly,
e.Message);
}
public void SetCollectionAdapter_Ctor_Succeeds(bool shouldBeReadOnly)
{
List <string> content = new List <string>()
{
"foo", "bar", "baz"
};
ICollection <string> collection =
shouldBeReadOnly
? new ReadOnlyCollection <string>(content)
: (ICollection <string>)content;
SetCollectionAdapter <string> adapter =
new SetCollectionAdapter <string>(collection);
Assert.IsNotNull(adapter);
Assert.AreEqual(shouldBeReadOnly, adapter.IsReadOnly);
}
