Import code from previous AssetBuilder version

test/ZoneCodeGeneratorTests/Parsing/Mock/IncludingParsingStreamTest.cs

@@ -0,0 +1,45 @@
+using System.Collections.Generic;
+using ZoneCodeGenerator.Parsing;
+
+namespace ZoneCodeGeneratorTests.Parsing.Mock
+{
+    class IncludingParsingStreamTest : IIncludingParsingStream
+    {
+        public string Filename { get; set; }
+        public int Line { get; set; }
+        public List<string> Lines { get; }
+        public bool EndOfStream => Line >= Lines.Count;
+        public string LastInclude { get; private set; }
+        public int IncludeCount { get; private set; }
+
+        public IncludingParsingStreamTest(string filename)
+        {
+            Line = 0;
+            Filename = filename;
+            Lines = new List<string>();
+            LastInclude = "";
+            IncludeCount = 0;
+        }
+
+        public string ReadLine()
+        {
+            return EndOfStream ? "" : Lines[Line++];
+        }
+
+        public void IncludeFile(string filename)
+        {
+            LastInclude = filename;
+            IncludeCount++;
+        }
+
+        public void Close()
+        {
+            
+        }
+
+        public void Dispose()
+        {
+            Close();
+        }
+    }
+}