Adds more unit tests (#133)

Projects/Server.Tests/Network/Packets/Old/Outgoing/VendorSellPacketTests.cs

@@ -0,0 +1,79 @@
+using System;
+using System.Collections.Generic;
+using System.Linq;
+using Server.Network;
+using Xunit;
+
+namespace Server.Tests.Network.Packets
+{
+  public class VendorSellPacketTests : IClassFixture<ServerFixture>
+  {
+    [Fact]
+    public void TestVendorSellList()
+    {
+      var vendor = new Mobile(0x1);
+      vendor.DefaultMobileInit();
+
+      var item1 = new Item(Serial.LastItem + 1);
+      var item2 = new Item(Serial.LastItem + 2) { Name = "Second Item" };
+      var item3 = new Item(Serial.LastItem + 3);
+
+      var sellStates = new List<SellItemState>
+      {
+        new SellItemState(item1, 100, "Item 1"),
+        new SellItemState(item2, 100000, "Item 2"),
+        new SellItemState(item3, 1, "Item 3")
+      };
+
+      Span<byte> data = new VendorSellList(vendor, sellStates).Compile();
+
+      int length = 9 + 14 * 3 + sellStates.Sum(state =>
+        (string.IsNullOrWhiteSpace(state.Item.Name) ? state.Name ?? "" : state.Item.Name.Trim()).Length
+      );
+
+      Span<byte> expectedData = stackalloc byte[length];
+
+      int pos = 0;
+      expectedData[pos++] = 0x9E; // Packet ID
+      ((ushort)length).CopyTo(ref pos, expectedData);
+      vendor.Serial.CopyTo(ref pos, expectedData);
+      ((ushort)sellStates.Count).CopyTo(ref pos, expectedData);
+
+      for (int i = 0; i < sellStates.Count; i++)
+      {
+        SellItemState state = sellStates[i];
+        state.Item.Serial.CopyTo(ref pos, expectedData);
+        ((ushort)state.Item.ItemID).CopyTo(ref pos, expectedData);
+        ((ushort)state.Item.Hue).CopyTo(ref pos, expectedData);
+        ((ushort)state.Item.Amount).CopyTo(ref pos, expectedData);
+        ((ushort)state.Price).CopyTo(ref pos, expectedData);
+        string name = string.IsNullOrWhiteSpace(state.Item.Name) ? state.Name ?? "" : state.Item.Name.Trim();
+        ((ushort)name.Length).CopyTo(ref pos, expectedData);
+        name.CopyASCIITo(ref pos, expectedData);
+      }
+
+      AssertThat.Equal(data, expectedData);
+    }
+
+    [Fact]
+    public void TestEndVendorSell()
+    {
+      var vendor = new Mobile(0x1);
+      vendor.DefaultMobileInit();
+
+      Span<byte> data = new EndVendorBuy(vendor).Compile();
+
+      Span<byte> expectedData = stackalloc byte[]
+      {
+        0x3B, // Packet ID
+        0x00, 0x08, // Length
+        0x00, 0x00, 0x00, 0x00, // Vendor Serial
+        0x00
+      };
+
+      vendor.Serial.CopyTo(expectedData.Slice(3, 4));
+
+      AssertThat.Equal(data, expectedData);
+    }
+  }
+}