public void TestInsert()
{
StrKeyCollection collection =
new StrKeyCollection(EqualityComparer <string> .Default, 2);
#if NOT_IMPLEMENTED
Assert.IsNull(collection.GetDictionary(),
"Dictionary created too early"); // There can't be a dictionary yet
#endif
collection.Add("One"); // Key:First
#if NOT_IMPLEMENTED
Assert.IsNull(collection.GetDictionary(),
"Dictionary created too early"); // There can't be a dictionary yet
#endif
collection.Add("Two"); // Key:Two
#if NOT_IMPLEMENTED
Assert.IsNull(collection.GetDictionary(),
"Dictionary created too early"); // There can't be a dictionary yet
#endif
collection.Add("Four"); // Key:Four
Assert.IsNotNull(collection.GetDictionary(),
"Dictionary created too late"); // There must be a dictionary
collection.Insert(2, "Three"); // Key:Three
Assert.AreEqual(collection.Count, 4,
"Collection count not equal to 4");
// check if all items are ordered correctly
Assert.AreEqual(collection [0], "One");
Assert.AreEqual(collection [1], "Two");
Assert.AreEqual(collection [2], "Three");
Assert.AreEqual(collection [3], "Four");
Assert.AreEqual(collection ["Key:One"], "One");
Assert.AreEqual(collection ["Key:Two"], "Two");
Assert.AreEqual(collection ["Key:Three"], "Three");
Assert.AreEqual(collection ["Key:Four"], "Four");
Assert.AreEqual(collection.GetDictionary().Count, 4);
try {
collection ["UnkownKey"].ToString();
Assert.Fail("Unknown key should fail");
} catch (KeyNotFoundException e) {
e.ToString(); // avoid warning
// oke
}
}
public void TestDelete()
{
StrKeyCollection collection =
new StrKeyCollection(EqualityComparer <string> .Default, 2);
collection.Add("One"); // Key:First
collection.Add("Two"); // Key:Two
Assert.IsTrue(collection.Remove("Key:One"));
collection.Add("Four"); // Key:Four
collection.Insert(2, "Three"); // Key:Three
Assert.IsTrue(collection.Remove("Key:Three"));
Assert.IsFalse(collection.Remove("Unknown"));
Assert.AreEqual(collection.GetDictionary().Count, 2);
Assert.AreEqual(collection.Count, 2, "Collection count not equal to 2");
// check if all items are ordered correctly
Assert.AreEqual(collection [0], "Two");
Assert.AreEqual(collection [1], "Four");
Assert.AreEqual(collection ["Key:Two"], "Two");
Assert.AreEqual(collection ["Key:Four"], "Four");
try
{
collection ["Key:One"].ToString();
Assert.Fail("Unknown key should fail");
}
catch (KeyNotFoundException e)
{
e.ToString(); // avoid warning
// oke
}
try
{
collection ["Key:One"].ToString();
Assert.Fail("Unknown key should fail");
}
catch (KeyNotFoundException e)
{
e.ToString(); // avoid warning
// oke
}
}
public void Insert_DuplicateKey_NoDictionary()
{
StrKeyCollection collection =
new StrKeyCollection(EqualityComparer <string> .Default, 4);
collection.Add("One");
try {
collection.Add("One");
Assert.Fail("Duplicate keys should throw ArgumentException.");
}
catch (ArgumentException) {
}
catch (Exception e) {
Assert.Fail("Invalid exception type: expected ArgumentOutOfRangeException, got " + e.GetType().Name);
}
Assert.AreEqual(1, collection.Count);
Assert.AreEqual(null, collection.GetDictionary());
}