Fix metatable processing on luaGetTable

src/main/java/lua/value/LTable.java

@@ -223,11 +223,10 @@ public class LTable extends LValue {
 	}
 	
 	public void luaSetTable(VM vm, LValue table, LValue key, LValue val) {
-		if ( !containsKey( key ) && m_metatable != null ) {
-			super.luaSetTable( vm, table, key, val );
-		} else {
-			put(key, val);
-		}
+		if ( (!containsKey( key )) && m_metatable != null && m_metatable.containsKey(TM_NEWINDEX) )
+			m_metatable.get(TM_NEWINDEX).luaSetTable( vm, table, key, val );
+		else
+			put(key,val);
 	}
 	
 	/**

src/test/java/lua/LuaJTest.java

@@ -80,6 +80,10 @@ public class LuaJTest extends TestCase {
 		runTest( "setlist" );
 	}
 	
+	public void testSimpleMetatables() throws IOException, InterruptedException {
+		runTest( "simplemetatables" );
+	}
+	
 	public void testStrLib() throws IOException, InterruptedException {
 		runTest( "strlib" );
 	}

src/test/res/simplemetatables.lua

@@ -0,0 +1,14 @@
+-- The purpose of this test case is to check
+-- that certain simple metatable operations work properly
+t = { b='bbb' }
+t.__index = t
+u = {}
+setmetatable( u, t )
+u.c = 'ccc'
+
+print( 't.a', t.a )
+print( 'u.a', u.a )
+print( 't.b', t.b )
+print( 'u.b', u.b )
+print( 't.c', t.c )
+print( 'u.c', u.c )