add module loader test

test/vm_test/ModulesTest.cs

@@ -0,0 +1,55 @@
+namespace vm_test
+{
+    using System.Linq;
+    using ancient.runtime;
+    using ancient.runtime.emit;
+    using ancient.runtime.emit.sys;
+    using ancient.runtime.hardware;
+    using NUnit.Framework;
+
+    [TestFixture]
+    public class ModulesTest : VMBehaviour
+    {
+        [OneTimeSetUp]
+        public void Setup() => IntConverter.Register<char>();
+
+
+        [Test]
+        [Author("Yuuki Wesp", "[email protected]")]
+        [Description("parse functions in module class test")]
+        public void ParseFunctionsTest()
+        {
+            Module.Boot(bus);
+            var mem = new Instruction[]
+            {
+                new ldx(0x11, 0x1),
+                new sig("test1", 0, "void"), 
+                new lpstr("test1"),
+                new ldi(0x0, 0x5),
+                new ret(),
+                new sig("test2", 0, "void"), 
+                new lpstr("test2"),
+                new ldi(0x1, 0x6),
+                new call_i("test1()"),
+                new ret(),
+                new sig("test3", 0, "void"), new lpstr("test3"),
+                new call_i("test2()"),
+                new mul(0x3, 0x0, 0x1),
+                new ret(),
+                new call_i("test3()"),
+                new nop(),
+            }.Reverse().ToArray();
+
+            var assembly = new DynamicAssembly("test");
+            var ilGen = assembly.GetGenerator();
+            ilGen.Emit(mem.Select(x => (OpCode)x).ToArray());
+            var module = new Module("test.module");
+            Module.modules.Add(module.GetHashCode(), module);
+            state.LoadMeta(mem.Reverse().SelectMany(x => x.GetMetaDataILBytes()).ToArray());
+
+            var functions = Module.ImportFunctions(assembly.GetILCode(), module);
+
+            Assert.AreEqual(3, functions.Length);
+        }
+    }
+}