public void TryDeserializeFromNotExistsDirectory()
{
var fileSystem = new MockFileSystem();
var serializer = new BinarySearchTreePersistable <int, int>(fileSystem);
Assert.ThrowsException <DirectoryNotFoundException>(() => serializer.Deserialize("binary_search_tree.dat"));
}
public void TrySerializeAndDeserializeSuccess()
{
var fileSystem = new MockFileSystem();
fileSystem.Directory.CreateDirectory(Directory.GetCurrentDirectory());
string path = Path.Combine(Directory.GetCurrentDirectory(), "binary_search_tree.dat");
var serializer = new BinarySearchTreePersistable <int, int>(fileSystem);
serializer.Serialize(path, tree);
Assert.IsTrue(fileSystem.FileExists(path));
var treeDeserialized = (BinaryTree <int, int>)serializer.Deserialize(path);
Assert.IsTrue(treeDeserialized.ContainsKey(1) &&
treeDeserialized.ContainsKey(3) &&
treeDeserialized.Count == 9);
var expected = new List <int>()
{
8, 3, 1, 6, 4, 7, 10, 14, 13
};
var actual = new List <int>();
var enumerator = treeDeserialized.GetEnumerator();
while (enumerator.MoveNext())
{
actual.Add(enumerator.Current.Key);
}
CollectionAssert.AreEqual(expected, actual);
}
public void TryDeserializeFromNotExistsFile()
{
var fileSystem = new MockFileSystem();
fileSystem.Directory.CreateDirectory(Directory.GetCurrentDirectory());
string pathNotExists = Path.Combine(Directory.GetCurrentDirectory(), "file_not_exists.dat");
var serializer = new BinarySearchTreePersistable <int, int>(fileSystem);
Assert.ThrowsException <FileNotFoundException>(() => serializer.Deserialize(pathNotExists));
}
public void TrySerializeNullTree()
{
var fileSystem = new MockFileSystem();
fileSystem.Directory.CreateDirectory(Directory.GetCurrentDirectory());
string path = Path.Combine(Directory.GetCurrentDirectory(), "binary_search_tree.dat");
var serializer = new BinarySearchTreePersistable <int, int>(fileSystem);
Assert.ThrowsException <ArgumentNullException>(() => serializer.Serialize(path, null));
}
public void TrySerializeAndDeserializeEmptyTree()
{
var fileSystem = new MockFileSystem();
fileSystem.Directory.CreateDirectory(Directory.GetCurrentDirectory());
string path = Path.Combine(Directory.GetCurrentDirectory(), "binary_search_tree.dat");
var serializer = new BinarySearchTreePersistable <int, int>(fileSystem);
serializer.Serialize(path, new BinaryTree <int, int>());
Assert.IsTrue(fileSystem.FileExists(path));
var treeDeserialized = (BinaryTree <int, int>)serializer.Deserialize(path);
Assert.IsTrue(treeDeserialized.Count == 0);
}
