public void CheckHeaderTest()
{
Stream s = File.OpenRead(@"TestFiles\Huff3Tests\simple.in.huff");
BinaryReader br = new BinaryReader(s);
ulong u = br.ReadUInt64();
Huff3TreeBuilder b = new Huff3TreeBuilder();
bool correct = b.checkHeader(u);
Assert.IsTrue(correct);
ulong something = 238723328;
correct = b.checkHeader(something);
Assert.IsFalse(correct);
}
public void ReadTreeAndHeaderTest()
{
string inputFile = @"TestFiles\Huff3Tests\simple4.in.huff";
string[] arg = new string[1];
arg[0] = inputFile;
Program.Huff3OpenFiles(arg, out BinaryReader reader, out BinaryWriter writer);
Huff3TreeBuilder b = new Huff3TreeBuilder();
bool success = b.ReadHeaderAndTreeFromBinaryFile(reader);
Assert.IsNotNull(b.Root);
TreePrinter.PrintNiceTree(b.Root, 0);
reader.Close();
writer.Close();
}
public void ReadTreeTest()
{
string inputFile = @"TestFiles\Huff3Tests\simple4.in.huff";
string[] arg = new string[1];
arg[0] = inputFile;
Program.Huff3OpenFiles(arg, out BinaryReader reader, out BinaryWriter writer);
reader.ReadUInt64(); //skip header
Huff3TreeBuilder b = new Huff3TreeBuilder();
bool f = false;
Node n = b.ReadTreeFromBinaryFile(reader, ref f);
Assert.IsNotNull(n);
TreePrinter.PrintNiceTree(n, 0);
Console.WriteLine(b.NumberOfSymbols);
reader.Close();
writer.Close();
}
public void CreateNodeTest()
{
string inputFile = @"TestFiles\Huff3Tests\simple.in.huff";
string[] arg = new string[1];
arg[0] = inputFile;
Program.Huff3OpenFiles(arg, out BinaryReader reader, out BinaryWriter writer);
Huff3TreeBuilder b = new Huff3TreeBuilder();
reader.ReadInt64(); //header
ulong input = reader.ReadUInt64();
Node node = b.IdentifyAndCreateNode(input);
if (node is Leaf)
{
Assert.Fail("typecheck error");
}
Console.WriteLine("something");
Assert.AreEqual((ulong)6, node.Weight);
input = reader.ReadUInt64();
node = b.IdentifyAndCreateNode(input);
if (node is InnerNode)
{
Assert.Fail("typecheck error");
}
Console.WriteLine("something");
Assert.AreEqual((ulong)3, node.Weight);
Assert.AreEqual((byte)97, ((Leaf)node).Symbol);
input = reader.ReadUInt64();
node = b.IdentifyAndCreateNode(input);
if (node is Leaf)
{
Assert.Fail("typecheck error");
}
Console.WriteLine("something");
Assert.AreEqual((ulong)3, node.Weight);
input = reader.ReadUInt64();
node = b.IdentifyAndCreateNode(input);
if (node is InnerNode)
{
Assert.Fail("typecheck error");
}
Console.WriteLine("something");
Assert.AreEqual((ulong)1, node.Weight);
Assert.AreEqual((byte)99, ((Leaf)node).Symbol);
input = reader.ReadUInt64();
node = b.IdentifyAndCreateNode(input);
if (node is InnerNode)
{
Assert.Fail("typecheck error");
}
Console.WriteLine("something");
Assert.AreEqual((ulong)2, node.Weight);
Assert.AreEqual((byte)98, ((Leaf)node).Symbol);
input = reader.ReadUInt64();
Console.WriteLine(input);
reader.Close();
writer.Close();
}
