public unsafe void InsertionPointAndLength()
{
ManagedBinaryMemoryWriter writer = new ManagedBinaryMemoryWriter();
Assert.AreEqual(writer.Length, 0, "Wrong size.");
writer.Write(0x55555555);
Assert.AreEqual(writer.Length, 4, "Wrong size.");
ManagedBinaryMemoryWriterSegment segment = writer.MakeInsertionpoint(2);
Assert.AreEqual(writer.Length, 4, "Wrong size.");
writer.Write(0xAAAAAAAA);
writer.Write(0xAAAAAAAA);
Assert.AreEqual(writer.Length, 12, "Wrong size.");
writer.Flush();
Assert.AreEqual(writer.Length, 12, "Wrong size.");
writer.Write(0xAAAAAAAA);
writer.Write(0xAAAAAAAA);
Assert.AreEqual(writer.Length, 20, "Wrong size.");
segment.Write((ushort)0x55AA);
Assert.AreEqual(writer.Length, 20, "Wrong size.");
segment.Finish();
Assert.AreEqual(writer.Length, 22, "Wrong size.");
writer.Flush();
Assert.AreEqual(writer.Length, 22, "Wrong size.");
byte[] data = writer.ToArray();
Assert.AreEqual(data.Length, 22, "Wrong result size.");
byte[] shouldBe = new byte[] { 0x55, 0x55, 0x55, 0x55, 0xAA, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA };
for (int position = 0; position < data.Length; position++)
{
Assert.AreEqual(data[position], shouldBe[position], $"Value at position {position} is wrong.");
}
}
public unsafe void InsertionPointFail()
{
ManagedBinaryMemoryWriter writer = new ManagedBinaryMemoryWriter();
Assert.AreEqual(writer.Length, 0, "Wrong size.");
writer.Write(0x55555555);
Assert.AreEqual(writer.Length, 4, "Wrong size.");
ManagedBinaryMemoryWriterSegment segment = writer.MakeInsertionpoint(2);
Assert.AreEqual(writer.Length, 4, "Wrong size.");
writer.Write(0xAAAAAAAA);
writer.Write(0xAAAAAAAA);
Assert.AreEqual(writer.Length, 12, "Wrong size.");
writer.Flush();
Assert.AreEqual(writer.Length, 12, "Wrong size.");
writer.Write(0xAAAAAAAA);
writer.Write(0xAAAAAAAA);
Assert.AreEqual(writer.Length, 20, "Wrong size.");
try
{
segment.Write(0x55AA55AA);
Assert.Fail("Should have thrown an exception.");
}
catch (Exception exception)
{
Assert.IsTrue(exception is InvalidOperationException, "Wrong exception kind.");
Assert.AreEqual(exception.Message, "An insertionpoint can't increase in size.", "Wrong exception message.");
}
Assert.AreEqual(writer.Length, 20, "Wrong size.");
segment.Write((ushort)0x55AA);
Assert.AreEqual(writer.Length, 20, "Wrong size.");
segment.Finish();
Assert.AreEqual(writer.Length, 22, "Wrong size.");
writer.Flush();
Assert.AreEqual(writer.Length, 22, "Wrong size.");
byte[] data = writer.ToArray();
Assert.AreEqual(data.Length, 22, "Wrong result size.");
byte[] shouldBe = new byte[] { 0x55, 0x55, 0x55, 0x55, 0xAA, 0x55, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA, 0xAA };
for (int position = 0; position < data.Length; position++)
{
Assert.AreEqual(data[position], shouldBe[position], $"Value at position {position} is wrong.");
}
}