// ==++==
//
//   
//    Copyright (c) 2002 Microsoft Corporation.  All rights reserved.
//   
//    The use and distribution terms for this software are contained in the file
//    named license.txt, which can be found in the root of this distribution.
//    By using this software in any fashion, you are agreeing to be bound by the
//    terms of this license.
//   
//    You must not remove this notice, or any other, from this software.
//   
//
// ==--==
using System.IO; 
using System;
using System.Reflection;
using System.Collections;

struct TestStruct
{
  public int foo1;
  public int foo2;
}

class NormClass
{
	

//Test 1
	// check whether GetHashCode returns the same value
	// check to see if we can use ArgIterators on any class
	// check ArgIterators on Arrays
	// test arg iterators with instance methods on normal classes
	public TestStruct argit1( Object[] objExpectedArr, __arglist )
	{
		ArgIterator args = new ArgIterator( __arglist );
		int hashcode = args.GetHashCode();
		
		int iCount = args.GetRemainingCount();
                Console.WriteLine( "Found  "+ iCount +" arguments. " );  
		Object[] objArr = new Object[iCount];

		for ( int i = 0; i < iCount; i++ ){
			objArr[i] = TypedReference.ToObject(args.GetNextArg());
                        Console.WriteLine( "Object  " + i + ": " + objArr[i] + " Expected: " + objExpectedArr[i] );  
			if ( objExpectedArr[i] == null ){
				if ( objArr[i] != null ){
					throw new Exception( "argit1 - 1, __arglist[i] was null but it did not equal to objExpectedArr[i]" );
				}
			}
			
			else if ( ! objArr[i].Equals( objExpectedArr[i] ) ) {
				throw new Exception( "argit1 - 2, __arglist[i] was null but it did not equal to objExpectedArr[i]" );
			}
		}		

		//repeating the code above __arglist should be valid in method scope
		ArgIterator args2 = new ArgIterator( __arglist );
		int iCount2 = args2.GetRemainingCount();
		Object[] objArr2 = new Object[iCount];

		for ( int i = 0; i < iCount2; i++ ){
			objArr2[i] = TypedReference.ToObject(args2.GetNextArg());
                        Console.WriteLine( "Object  " + i + ": " + objArr2[i] + " Expected: " + objExpectedArr[i] );
			if ( objExpectedArr[i] == null ){
				if ( objArr2[i] != null ){
					throw new Exception( "argit1 - 3, __arglist[i] was null but it did not equal to objExpectedArr[i]" );
				}
			}
			
			else if ( ! objArr2[i].Equals( objExpectedArr[i] ) ) {
				throw new Exception( "argit1 - 4, __arglist[i] was null but it did not equal to objExpectedArr[i]" );
			}
		}				
		int hashcodecompare= args.GetHashCode();
		if (! hashcode.Equals(hashcodecompare))
			{
				throw new Exception( "argit1 - 5, hashcode changed" );
			}
                TestStruct Bar = new TestStruct();
                Bar.foo1 = 1;
                Bar.foo2 = 2;
                return Bar;
	}
	///////////////////// End Method


	
//Test 2
	// check whether GetHashCode returns the same value
	// check nesting of ArgIterators
	public static void argit2 (__arglist)
	{
	
		ArgIterator args = new ArgIterator( __arglist );	
		int hashcode = args.GetHashCode();
		try{
			NormClass.argit2b( __arglist(   ) );
		}
		catch (InvalidOperationException) {}
		int hashcodecompare= args.GetHashCode();
		if (! hashcode.Equals(hashcodecompare))
			{
				throw new Exception( "argit2 - 1, hashcode changed" );
			}
	}
	
	// 2 Supplement
	public static void argit2b (__arglist)
	{
		ArgIterator args = new ArgIterator( __arglist );
		int hashcode = args.GetHashCode();
				
		TypedReference trTypRef = args.GetNextArg();
		int hashcodecompare= args.GetHashCode();
		if (! hashcode.Equals(hashcodecompare))
			{
				throw new Exception( "argit2b - 1, hashcode changed" );
			}

	}
	///////////////////// End Method
	

}
///////////////////// End Class NormClass 


public class Co6665GetHashCode
{

	static String strName = "System.ArgIterator";
	static String strTest = "VarArgTest2";
	static String strPath = "test\\dev\\";


	private Boolean runTest( Boolean verbose )
	{
		int iCountErrors = 0;
		int iCountTestcases = 0;

		try
		{

			
//TEST 1
	//Part A
			// [] check to see if we can use ArgIterators on any class
			++iCountTestcases; 
			try	{
				NormClass st = new NormClass();
				Object[] o     = new Object[] {  (int) 1975 };
				TestStruct Bar = st.argit1( o, __arglist(  (int)o[0] ) );
			}
			catch (Exception ex) {
			  ++iCountErrors;
		      Console.WriteLine( "Err_001a,  Unexpected exception was thrown ex: " + ex.ToString() );
			}


	//Part B
			// [] check ArgIterators on Arrays
			++iCountTestcases;   
			if ( verbose ){
				Console.WriteLine( "checking GetHashCode returns the same value ");
				Console.WriteLine( "checking ArgIterators with Arrays" );	
			}
			try	{
				NormClass st = new NormClass();
				Object[,] compObj = new Object[2,2];

				Object[] o = new Object[] {  new DBNull[]{}, new Object[]{}, compObj };
				st.argit1( o, __arglist(    (DBNull[]) o[0], 
										(Object[]) o[1], 
										(Object[,]) o[2] ) );

			}
			catch (Exception ex) {
			  	++iCountErrors;
		      	Console.WriteLine( "Err_001b,  Unexpected exception was thrown ex: " + ex.ToString() );
			}
			//////////////////////////////////


			
//TEST 2
			// [] check nesting of ArgIterators 
			++iCountTestcases;   
			if ( verbose ){
				Console.WriteLine( "checking GetHashCode returns the same value ");
				Console.WriteLine( "check nesting of ArgIterators " );	
			}
			try	{
					NormClass.argit2( __arglist( "a", "b", "c" ) );				
			}
			catch (Exception ex) {
			  	++iCountErrors;
		      	Console.WriteLine( "Err_002a,  Unexpected exception was thrown ex: " + ex.ToString() );
			}			
			//////////////////////////////////

			
		}
			

		catch (Exception exc_runTest)
		{
			++iCountErrors;			
			Console.Error.WriteLine (strName+" "+strTest+" "+strPath);
			Console.Error.WriteLine ("Unexpected Exception (runTest99): "+exc_runTest.ToString());
		}



		//////////////////////////// Test Results ////////////////////////////////
		Console.WriteLine ();
		Console.WriteLine ("///////// FINAL TEST RESULT:" + strName+" "+strTest+" "+strPath);
		Console.WriteLine ();
		//////////////////////////// Test Results ////////////////////////////////
                		
		if ( iCountErrors == 0 ) {   return true; }
		else { return false;}
		
	}

public static void Main( String[] args ) 
	{
		Boolean bResult = false;	// Assume FAIL.
		Co6665GetHashCode oReplaceTest = new Co6665GetHashCode();

		Console.WriteLine( "Starting "+ strName +" ..." );                                               	
		Console.WriteLine( "USAGE:  VarArgTest2.exe OR  VarArgTest2.exe verbose" );

		Boolean verbose=false;

		try
		{			
			if ( args.Length > 0 ) {
				Console.WriteLine( "Verbose ON!" );
				verbose = true;
			}

			Console.WriteLine();                                                                        
					
			bResult = oReplaceTest.runTest(verbose);				
		}
		

		catch ( Exception exc_main ) {
			bResult = false;
			
			Console.Error.WriteLine (strName+" "+strTest+" "+strPath);
			Console.Error.WriteLine ("Unexpected Exception (Main99): "+exc_main.ToString());
		}

	
		if ( ! bResult )
			Console.Error.WriteLine(  "PATHTOSOURCE: (FAIL) " + strPath + strTest );

		if ( bResult == true ) Environment.ExitCode = 0; else Environment.ExitCode = 11;
		
	}
}
// EOFile