Implemented generic for loops

tests/integration/LoopTests.cpp

@@ -60,5 +60,35 @@ end
     delete script;
 }
 
+TEST_CASE( "Generic for loop over simple numerical table, get keys", "[integration]" ) {
+    auto script = Script::Create(uR"(
+local table = {1, 3, 5, 7, 9}
+result = ""
+for i in table do
+    result = result + i
+end
+)");
+    REQUIRE(!script->Diagnostics -> HasErrors());
+    script->Evaluate();
+    auto var = script->GetVariable(u"result");
+    REQUIRE(var->EvaluateString() == u"12345");
+    delete script;
+}
+
+TEST_CASE( "Generic for loop over simple numerical table, get values", "[integration]" ) {
+    auto script = Script::Create(uR"(
+local table = {1, 3, 5, 7, 9}
+result = ""
+for i,v in table do
+    result = result + v
+end
+)");
+    REQUIRE(!script->Diagnostics -> HasErrors());
+    script->Evaluate();
+    auto var = script->GetVariable(u"result");
+    REQUIRE(var->EvaluateString() == u"13579");
+    delete script;
+}
+
 
 #endif