public void CanSerializeSingleItem_WithBoundItems()
{
ListNode node = new ListNode("Value1");
ListNode nodePrev = new ListNode("prev");
ListNode nodeNext = new ListNode("next");
ListNode nodeRand = new ListNode("rand");
node.Next = nodeNext;
node.Rand = nodeRand;
node.Prev = nodePrev;
ListRand rnd = new ListRand();
string result = "";
Assert.DoesNotThrow(() =>
{
result = rnd.SerializeSingleItem(node);
});
Assert.That(result.Contains("<ListNode>"));
Assert.That(result.Contains("<Prev>prev</Prev>"));
Assert.That(result.Contains("<Next>next</Next>"));
Assert.That(result.Contains("<Rand>rand</Rand>"));
Assert.That(result.Contains("</ListNode>"));
}
public void DeserializeList_ReferencedNodeBeforeReferencing_Success()
{
ListFacade expected;
ListRand actual;
string path = GetTempFilepath();
expected = CreateFileValuesList();
expected.Lst.Tail.Rand = expected.Lst.Head;
using (var fs = new FileStream(path, FileMode.CreateNew))
{
expected.Serialize(fs);
fs.Flush();
}
using (var fs = new FileStream(path, FileMode.Open))
{
actual = ListRand.Deserialize(fs);
}
Assert.True(AreEqual(expected.Lst, actual));
Assert.AreEqual(actual.Tail.Rand, actual.Head);
}
static void AddRandNodeToNode(ListRand listRand, List <int> indices, ListNode node)
{
var randomIdx = GetRandomInt(indices.Count);
node.rand = GetNode(listRand, indices[randomIdx]);
indices.RemoveAt(randomIdx);
}
private bool AreEqual(ListRand expected, ListRand actual)
{
if (expected == null && actual != null)
{
return(false);
}
if (expected != null && actual == null)
{
return(false);
}
if (expected.Count != actual.Count)
{
return(false);
}
var expectedDec = new ListFacade(expected);
var actualDec = new ListFacade(actual);
bool result = true;
for (int i = 0; i < expected.Count; i++)
{
var expectedNode = expectedDec.ElementAt(i);
var actualNode = actualDec.ElementAt(i);
bool sameData = string.Compare(expectedNode.Data, actualNode.Data, System.StringComparison.Ordinal) == 0;
bool sameRandomRefs = (expectedNode.Rand != null && actualNode.Rand != null) || (expectedNode.Rand == null && actualNode.Rand == null);
result &= sameData & sameRandomRefs;
}
return(result);
}
public void TestSerializationIFNullDataValue()
{
var head = new ListNode()
{
Prev = null,
Next = null,
Rand = null,
Data = null
};
var tail = new ListNode()
{
Prev = head,
Next = null,
Rand = head,
Data = null
};
head.Next = tail;
var list = new ListRand()
{
Head = head,
Tail = tail,
Count = 2
};
var ser = list.Serialize();
Assert.That(ser, Is.EqualTo(@"nnn0"));
}
public void TestSerializationIFAllParamsIsNotEmptyOrNull()
{
var head = new ListNode()
{
Prev = null,
Next = null,
Rand = null,
Data = "test\" data"
};
var tail = new ListNode()
{
Prev = head,
Next = null,
Rand = head,
Data = "test data2"
};
head.Next = tail;
var list = new ListRand()
{
Head = head,
Tail = tail,
Count = 2
};
var ser = list.Serialize();
Assert.That(ser, Is.EqualTo("\"test\"\" data\"n\"test data2\"0"));
//Assert.AreEqual(ser, "\"test data\"n\"test data2\"0");
}
public ListRand Generate()
{
var test1 = new ListNode()
{
Data = "1"
};
var test2 = new ListNode()
{
Data = "2"
};
NodeGenerate(test2, test1);
var test3 = new ListNode()
{
Data = "3"
};
NodeGenerate(test3, test2);
var a = new ListRand()
{
Count = 3,
Head = test1,
Tail = test3
};
return(a);
}
public void Test_Deserialize_Crush(string path, string testCase)
{
bool assert = false;
try
{
string result = string.Empty;
using (FileStream s = new FileStream(path, FileMode.Create, FileAccess.Write))
{
Test_FileWorker.Write(s, testCase);
}
using (FileStream s = new FileStream(path, FileMode.Open, FileAccess.Read))
{
var resultObj = new ListRand();
resultObj.Deserialize(s);
}
}
catch
{
assert = true;
}
Assert.True(assert);
}
public void Deserialize_ShouldThrowException_WhenWrongFieldName()
{
ListRand list = new ListRand();
WriteToFileStream("[{Dota='',Prev=null,Next=1,Rand=null}]");
Assert.Throws <KeyNotFoundException>(() => { list.Deserialize(fileStream); });
}
public void Deserialize_ShouldThrowException_WhenNoOpenBracket()
{
ListRand list = new ListRand();
WriteToFileStream("{}");
Assert.Throws <EmptyStreamException>(() => { list.Deserialize(fileStream); });
}
public void Deserialize_ShouldThrowException_WhenNoField()
{
ListRand list = new ListRand();
WriteToFileStream("[{Data='',Prev=null,Next=null}]");
Assert.Throws <UnexpectedEndException>(() => { list.Deserialize(fileStream); });
}
public void Deserialize_ShouldThrowException_WhenNoCommaBetweenNodes()
{
ListRand list = new ListRand();
WriteToFileStream("[{Data='',Prev=null,Next=1,Rand=null}{Data='',Prev=0,Next=null,Rand=null}]");
Assert.Throws <UnexpectedCharException>(() => { list.Deserialize(fileStream); });
}
public void Deserialize_ShouldThrowException_WhenIncorrectReference(string input)
{
ListRand list = new ListRand();
WriteToFileStream(input);
Assert.Throws <FormatException>(() => { list.Deserialize(fileStream); });
}
public void Deserialize_ShouldNotThrowException_WhenTrailingCommasBetweenNodes()
{
ListRand list = new ListRand();
WriteToFileStream("[{Data='',Prev=null,Next=null,Rand=0},]");
Assert.DoesNotThrow(() => { list.Deserialize(fileStream); });
}
public void Deserialize_ShouldThrowException_WhenNoTrailingBracket(string input)
{
ListRand list = new ListRand();
WriteToFileStream(input);
Assert.Throws <UnexpectedEndException>(() => { list.Deserialize(fileStream); });
}
static void AddNodeToList(ListRand listRand, string data)
{
var node = new ListNode();
node.data = data;
if (listRand.count == 0)
{
listRand.head = node;
listRand.tail = node;
}
else if (listRand.count == 1)
{
listRand.tail = node;
listRand.head.next = listRand.tail;
listRand.tail.prev = listRand.head;
}
else
{
var temp = listRand.tail;
listRand.tail = node;
listRand.tail.prev = temp;
temp.next = listRand.tail;
}
listRand.count++;
}
public void ShouldSerialize_EmptyList()
{
ListRand list = new ListRand();
list.Serialize(fileStream);
AssertFileStream("[]");
}
public void Deserialize_ShouldThrowException_WhenFoundUnconnectedNode()
{
ListRand list = new ListRand();
WriteToFileStream(
"[{Data='',Prev=null,Next=2,Rand=null},{Data='',Prev=null,Next=null,Rand=null},{Data='',Prev=0,Next=null,Rand=null}]");
Assert.Throws <UnconnectedNodeException>(() => { list.Deserialize(fileStream); });
}
//output: {[count][isCyclic]}{[rnd][data]}{[rnd][data]}...
public string Serialize(ListRand obj)
{
Initialize(obj);
bool isCyclic = CheckListForCyclicity();
FromListToArray();
return(FromArrayToString(isCyclic));
}
static void FillList(ListRand listRand, int count)
{
for (int idx = 0; idx < count; idx++)
{
AddNodeToList(listRand, idx.ToString());
}
AddRandNodesInList(listRand);
}
public void ShouldDeserialize_NodeData(string data)
{
ListRand list = new ListRand();
WriteToFileStream("[{Data='" + data + "',Prev=null,Next=null,Rand=null}]");
list.Deserialize(fileStream);
Assert.NotNull(list.Head);
Assert.AreEqual(data, list.Head.Data);
}
public void ShouldDeserialize_WhenOneNode_WithRand()
{
ListRand list = new ListRand();
WriteToFileStream("[{Data='',Prev=null,Next=null,Rand=0}]");
list.Deserialize(fileStream);
Assert.NotNull(list.Head);
Assert.AreSame(list.Head, list.Head.Rand);
}
public void ShouldDeserialize_WhenEmptyList()
{
ListRand list = new ListRand();
WriteToFileStream("[]");
list.Deserialize(fileStream);
Assert.Null(list.Head);
Assert.Null(list.Tail);
Assert.Zero(list.Count);
}
public bool SearchIsCorrect(string searchValue)
{
var listRand = new ListRand();
listRand.AddNewToTheEnd(new ListNode("value1"));
listRand.AddNewToTheEnd(new ListNode("value2"));
listRand.AddNewToTheEnd(new ListNode("value3"));
return(listRand.Search(searchValue) != null);
}
public void TestDeserializationIfRandIsNotNull()
{
string test = "\"\"0";
ListRand Test = new ListRand();
Test.Deserialize(test);
Assert.That(Test.Head.Data, Is.EqualTo(String.Empty));
Assert.That(Test.Head.Rand, Is.EqualTo(Test.Head));
}
public void TestDeserializationIfSpaceBeteenQuotes()
{
string test = "\" \"n";
ListRand Test = new ListRand();
Test.Deserialize(test);
Assert.That(Test.Head.Data, Is.EqualTo(" "));
Assert.That(Test.Head.Rand, Is.EqualTo(null));
}
public void TestDeserializationIfNNNInString()
{
string test = "\"nnnn\"n";
ListRand Test = new ListRand();
Test.Deserialize(test);
Assert.That(Test.Head.Data, Is.EqualTo("nnnn"));
Assert.That(Test.Head.Rand, Is.EqualTo(null));
}
public void TestDeserializationIfSymbols()
{
string test = "\"{[]\"n";
ListRand Test = new ListRand();
Test.Deserialize(test);
Assert.That(Test.Head.Data, Is.EqualTo("{[]"));
Assert.That(Test.Head.Rand, Is.EqualTo(null));
}
public void TestDeserializationIfEmptyString()
{
string test = "\"\"n";
ListRand Test = new ListRand();
Test.Deserialize(test);
Assert.That(Test.Head.Data, Is.EqualTo(String.Empty));
Assert.That(Test.Head.Rand, Is.EqualTo(null));
}
public void CanAddNewToEmptyList()
{
var listRand = new ListRand();
var node = new ListNode("value1");
listRand.AddNewToTheEnd(node);
Assert.That(listRand.Count, Is.EqualTo(1));
Assert.That(listRand.Head, Is.Not.Null);
Assert.That(listRand.Head, Is.EqualTo(listRand.Tail));
}
