using System.Reflection;
using System.Reflection.Emit;
using System.Runtime.InteropServices;
+using System.Runtime.CompilerServices;
using System.Text;
+using System.Diagnostics;
+using System.Runtime.ExceptionServices;
+using System.Linq;
using NUnit.Framework;
f.Method.GetMethodBody ();
}
+ [Test]
+ public void GetCustomAttributes ()
+ {
+ var method = new DynamicMethod ("method", typeof (void), new Type [] { });
+
+ var methodImplAttrType = typeof (MethodImplAttribute);
+ Assert.IsTrue (method.IsDefined (methodImplAttrType, true), "MethodImplAttribute is defined");
+
+ // According to the spec, MethodImplAttribute is the
+ // only custom attr that's present on a DynamicMethod.
+ // And it's always a managed method with no inlining.
+ var a1 = method.GetCustomAttributes (true);
+ Assert.AreEqual (a1.Length, 1, "a1.Length == 1");
+ Assert.AreEqual (a1[0].GetType (), methodImplAttrType, "a1[0] is a MethodImplAttribute");
+ var options = (a1[0] as MethodImplAttribute).Value;
+ Assert.IsTrue ((options & MethodImplOptions.NoInlining) != 0, "NoInlining is set");
+ Assert.IsTrue ((options & MethodImplOptions.Unmanaged) == 0, "Unmanaged isn't set");
+
+
+ // any other custom attribute type
+ var extensionAttrType = typeof (ExtensionAttribute);
+ Assert.IsFalse (method.IsDefined (extensionAttrType, true));
+ Assert.AreEqual (Array.Empty<object>(), method.GetCustomAttributes (extensionAttrType, true));
+ }
+
public delegate object RetObj();
[Test] //#640702
public void GetCurrentMethodWorksWithDynamicMethods ()
public string Name;
}
+ class ExceptionHandling_Test_Support
+ {
+ public static Exception Caught;
+ public static string CaughtStackTrace;
+
+ public static void ThrowMe ()
+ {
+ Caught = null;
+ CaughtStackTrace = null;
+ throw new Exception("test");
+ }
+
+ public static void Handler (Exception e)
+ {
+ Caught = e;
+ CaughtStackTrace = e.StackTrace.ToString ();
+ }
+ }
+
+ [Test]
+ public void ExceptionHandling ()
+ {
+ var method = new DynamicMethod ("", typeof(void), new[] { typeof(int) }, typeof (DynamicMethodTest));
+ var ig = method.GetILGenerator ();
+
+ ig.BeginExceptionBlock();
+ ig.Emit(OpCodes.Call, typeof(ExceptionHandling_Test_Support).GetMethod("ThrowMe"));
+
+ ig.BeginCatchBlock(typeof(Exception));
+ ig.Emit(OpCodes.Call, typeof(ExceptionHandling_Test_Support).GetMethod("Handler"));
+ ig.EndExceptionBlock();
+
+ ig.Emit(OpCodes.Ret);
+
+ var invoke = (Action<int>) method.CreateDelegate (typeof(Action<int>));
+ invoke (456324);
+
+ Assert.IsNotNull (ExceptionHandling_Test_Support.Caught, "#1");
+
+ var lines = ExceptionHandling_Test_Support.CaughtStackTrace.Split (new[] { Environment.NewLine }, StringSplitOptions.None);
+ lines = lines.Where (l => !l.StartsWith ("[")).ToArray ();
+ Assert.AreEqual (2, lines.Length, "#2");
+
+ var st = new StackTrace (ExceptionHandling_Test_Support.Caught, 0, true);
+
+ // Caught stack trace when dynamic method is gone
+ Assert.AreEqual (ExceptionHandling_Test_Support.CaughtStackTrace, st.ToString (), "#3");
+
+ // Catch handler stack trace inside dynamic method match
+ Assert.AreEqual (ExceptionHandling_Test_Support.Caught.StackTrace, st.ToString (), "#4");
+ }
+
+ class ExceptionHandlingWithExceptionDispatchInfo_Test_Support
+ {
+ public static Exception Caught;
+ public static string CaughtStackTrace;
+
+ public static void ThrowMe ()
+ {
+ Caught = null;
+ CaughtStackTrace = null;
+
+ Exception e;
+ try {
+ throw new Exception("test");
+ } catch (Exception e2) {
+ e = e2;
+ }
+
+ var edi = ExceptionDispatchInfo.Capture(e);
+
+ edi.Throw();
+ }
+
+ public static void Handler (Exception e)
+ {
+ var lines = e.StackTrace.Split (new[] { Environment.NewLine }, StringSplitOptions.RemoveEmptyEntries);
+ // Ignore Metadata
+ lines = lines.Where (l => !l.StartsWith ("[")).ToArray ();
+
+ Assert.AreEqual (5, lines.Length, "#1");
+ Assert.IsTrue (lines [1].Contains ("---"), "#2");
+ }
+ }
+
+ [Test]
+ public void ExceptionHandlingWithExceptionDispatchInfo ()
+ {
+ var method = new DynamicMethod ("", typeof(void), new[] { typeof(int) }, typeof (DynamicMethodTest));
+ var ig = method.GetILGenerator ();
+
+ ig.BeginExceptionBlock();
+ ig.Emit(OpCodes.Call, typeof(ExceptionHandlingWithExceptionDispatchInfo_Test_Support).GetMethod("ThrowMe"));
+
+ ig.BeginCatchBlock(typeof(Exception));
+ ig.Emit(OpCodes.Call, typeof(ExceptionHandlingWithExceptionDispatchInfo_Test_Support).GetMethod("Handler"));
+ ig.EndExceptionBlock();
+
+ ig.Emit(OpCodes.Ret);
+
+ var invoke = (Action<int>) method.CreateDelegate (typeof(Action<int>));
+ invoke (444);
+ }
+
+ static Func<int> EmitDelegate (DynamicMethod dm) {
+ ILGenerator il = dm.GetILGenerator ();
+ var ret_val = il.DeclareLocal (typeof (int));
+ var leave_label = il.DefineLabel ();
+
+ //ret = 1;
+ il.Emit (OpCodes.Ldc_I4, 1);
+ il.Emit (OpCodes.Stloc, ret_val);
+
+ // try {
+ il.BeginExceptionBlock ();
+ // throw "hello";
+ il.Emit (OpCodes.Ldstr, "hello");
+ il.Emit (OpCodes.Throw, typeof (string));
+ // ret = 2
+ il.Emit (OpCodes.Ldc_I4, 2);
+ il.Emit (OpCodes.Stloc, ret_val);
+ // }
+ il.Emit (OpCodes.Leave, leave_label);
+ //catch (string)
+ il.BeginCatchBlock (typeof (string));
+ il.Emit (OpCodes.Pop);
+ // ret = 3
+ il.Emit (OpCodes.Ldc_I4, 3);
+ il.Emit (OpCodes.Stloc, ret_val);
+ //}
+ il.Emit (OpCodes.Leave, leave_label);
+ il.EndExceptionBlock ();
+
+ il.MarkLabel (leave_label);
+ //return ret;
+ il.Emit (OpCodes.Ldloc, ret_val);
+ il.Emit (OpCodes.Ret);
+
+ var dele = (Func<int>)dm.CreateDelegate (typeof (Func<int>));
+ return dele;
+ }
+
+ [Test] //see bxc #59334
+ public void ExceptionWrapping ()
+ {
+ AssemblyBuilder ab = AppDomain.CurrentDomain.DefineDynamicAssembly (new AssemblyName ("ehatevfheiw"), AssemblyBuilderAccess.Run);
+ AssemblyBuilder ab2 = AppDomain.CurrentDomain.DefineDynamicAssembly (new AssemblyName ("ddf4234"), AssemblyBuilderAccess.Run);
+ CustomAttributeBuilder cab = new CustomAttributeBuilder (
+ typeof (RuntimeCompatibilityAttribute).GetConstructor (new Type [0]),
+ new object [0],
+ new PropertyInfo[] { typeof (RuntimeCompatibilityAttribute).GetProperty ("WrapNonExceptionThrows") },
+ new object[] { true });
+ ab2.SetCustomAttribute (cab);
+
+ AssemblyBuilder ab3 = AppDomain.CurrentDomain.DefineDynamicAssembly (new AssemblyName ("frfhfher"), AssemblyBuilderAccess.Run);
+ //1 NamedArg. Property name: WrapNonExceptionThrows value: true (0x01)
+ byte[] blob = new byte[] { 0x01, 0x00, 0x01, 0x00, 0x54, 0x02, 0x16, 0x57, 0x72, 0x61, 0x70, 0x4E, 0x6F, 0x6E, 0x45, 0x78,
+ 0x63, 0x65, 0x70, 0x74, 0x69, 0x6F, 0x6E, 0x54, 0x68, 0x72, 0x6F, 0x77, 0x73, 0x01 };
+ ab3.SetCustomAttribute (typeof (RuntimeCompatibilityAttribute).GetConstructor (new Type [0]), blob);
+
+ DynamicMethod invoke_no_module = new DynamicMethod("throw_1", typeof (int), new Type [0]);
+ DynamicMethod invoke_with_module = new DynamicMethod("throw_2", typeof (int), new Type [0], typeof (DynamicMethodTest).Module);
+ DynamicMethod invoke_with_ab = new DynamicMethod("throw_3", typeof (int), new Type [0], ab.ManifestModule);
+ DynamicMethod invoke_with_ab2 = new DynamicMethod("throw_4", typeof (int), new Type [0], ab2.ManifestModule);
+ DynamicMethod invoke_with_ab3 = new DynamicMethod("throw_5", typeof (int), new Type [0], ab3.ManifestModule);
+
+ int result = 0;
+ try {
+ int res = EmitDelegate (invoke_no_module)();
+ Assert.AreEqual (3, res, "invoke_no_module bad return value");
+ } catch (RuntimeWrappedException e) {
+ Assert.Fail ("invoke_no_module threw RWE");
+ }
+
+ try {
+ int res = EmitDelegate (invoke_with_module)();
+ Assert.Fail ("invoke_with_module did not throw RWE");
+ } catch (RuntimeWrappedException e) {
+ }
+
+ try {
+ int res = EmitDelegate (invoke_with_ab)();
+ Assert.AreEqual (3, res, "invoke_with_ab bad return value");
+ } catch (RuntimeWrappedException e) {
+ Assert.Fail ("invoke_with_ab threw RWE");
+ }
+
+ try {
+ int res = EmitDelegate (invoke_with_ab2)();
+ Assert.Fail ("invoke_with_ab2 did not throw RWE");
+ } catch (RuntimeWrappedException e) {
+ }
+
+ try {
+ int res = EmitDelegate (invoke_with_ab3)();
+ Assert.Fail ("invoke_with_a3 did not throw RWE");
+ } catch (RuntimeWrappedException e) {
+ }
+ }
+
+#if !MONODROID
+ // RUNTIME: crash
[Test]
public void TypedRef ()
{
{
Assert.AreEqual (typeof (TypedRefTarget), TypedReference.GetTargetType (tr));
}
+#endif
}
}
projects / mono.git / blobdiff