diff --git a/scripts/tests/common.lua b/scripts/tests/common.lua
index e6b3b8f4a..88dae3080 100755
--- a/scripts/tests/common.lua
+++ b/scripts/tests/common.lua
@@ -309,12 +309,13 @@ function test_guard()
   local r = region.create(0, 0, "plain")
   local f1 = faction.create("noreply@eressea.de", "human", "de")
   f1.age = 20
-  local u1 = unit.create(f1, r, 1)
+  local u1 = unit.create(f1, r, 10)
   u1:add_item("sword", 10)
   u1:add_item("money", 10)
   u1:set_skill("melee", 10)
   u1:clear_orders()
   u1:add_order("NACH O")
+  u1.name="Kalle Pimp"
 
   local f2 = faction.create("noreply@eressea.de", "human", "de")
   f2.age = 20
@@ -329,7 +330,7 @@ function test_guard()
   u2:add_item("money", 100)
   u3:add_item("money", 100)
   process_orders()
-  assert_equal(r.id, u1.region.id, "unit may not move after combat")
+  assert_equal(r, u1.region, "unit may not move after combat")
 end
 
 function test_recruit()
@@ -569,20 +570,12 @@ function test_config()
 end
 
 local function _test_create_laen()
-  local r = region.create(0,0, "mountain")
-  local f1 = faction.create("noreply@eressea.de", "human", "de")
-  local u1 = unit.create(f1, r, 1)
-  
-  -- TODO this is a stupid way to create a laen region
-  for i = 1, 10000 do
-    r = region.create(i,0, "mountain")
-    if r:get_resource("laen") > 2 then
-      break
-    end
-  end
-  assert(r:get_resource("laen")>2, "could not run test properly, please try again")
-  
-  return r, u1
+    eressea.settings.set("rules.terraform.all", "1")
+    local r = region.create(0,0, "mountain")
+    local f1 = faction.create("noreply@eressea.de", "human", "de")
+    local u1 = unit.create(f1, r, 1)
+    r:set_resource("laen", 50)
+    return r, u1
 end
 
 function test_laen1()
@@ -604,15 +597,18 @@ function test_laen2()
   u1:set_skill("mining", 15)
   u1:clear_orders()
   u1:add_order("MACHEN Laen")
- 
+  u1.name = "Laenmeister"
+
   local b = building.create(r, "mine")
   b.size = 10
   u1.building = b
   local laen = r:get_resource("laen")
  
   process_orders()
-  assert_equal(2, u1:get_item("laen"))
+  init_reports()
+  write_report(u1.faction)
   assert_equal(laen - 2, r:get_resource("laen"))
+  assert_equal(2, u1:get_item("laen"))
 end
 
 function test_mine()
@@ -1334,3 +1330,10 @@ function test_bug_1795_demons()
   assert_equal(limit+1, u1.number, u1.number .. "!=" .. (limit+1))
   assert_equal(peasants+growth, r:get_resource("peasant"))
 end
+
+function test_faction_flags()
+	f = faction.create("noreply@eressea.de", "human", "de")
+	assert_equal(0, f.flags)
+	f.flags = 42
+	assert_equal(42, f.flags)
+end
diff --git a/src/bindings/bind_faction.c b/src/bindings/bind_faction.c
index d5efd226c..775cb5ab8 100644
--- a/src/bindings/bind_faction.c
+++ b/src/bindings/bind_faction.c
@@ -160,6 +160,14 @@ static int tolua_faction_get_flags(lua_State * L)
   return 1;
 }
 
+static int tolua_faction_set_flags(lua_State * L)
+{
+  faction *self = (faction *) tolua_tousertype(L, 1, 0);
+  int flags = (int)tolua_tonumber(L, 2, self->flags);
+  self->flags = flags;
+  return 1;
+}
+
 static int tolua_faction_get_options(lua_State * L)
 {
   faction *self = (faction *) tolua_tousertype(L, 1, 0);
@@ -525,7 +533,7 @@ void tolua_faction_open(lua_State * L)
         tolua_faction_set_age);
       tolua_variable(L, TOLUA_CAST "options", tolua_faction_get_options,
         tolua_faction_set_options);
-      tolua_variable(L, TOLUA_CAST "flags", tolua_faction_get_flags, NULL);
+      tolua_variable(L, TOLUA_CAST "flags", tolua_faction_get_flags, tolua_faction_set_flags);
       tolua_variable(L, TOLUA_CAST "lastturn", tolua_faction_get_lastturn,
         tolua_faction_set_lastturn);
 
diff --git a/src/kernel/item.c b/src/kernel/item.c
index fd35f0776..db1da94ad 100644
--- a/src/kernel/item.c
+++ b/src/kernel/item.c
@@ -73,7 +73,11 @@ static int res_changeaura(unit * u, const resource_type * rtype, int delta)
 static int res_changeperson(unit * u, const resource_type * rtype, int delta)
 {
   assert(rtype != NULL || !"not implemented");
-  scale_number(u, u->number + delta);
+  if (u->number + delta >=0) {
+    scale_number(u, u->number + delta);
+  } else {
+    scale_number(u, 0);
+  }
   return u->number;
 }
 
@@ -1226,6 +1230,10 @@ void test_clear_resources(void)
 
 void register_resources(void)
 {
+  static bool registered = false;
+  if (registered) return;
+  registered = true;
+
   register_function((pf_generic) mod_elves_only, "mod_elves_only");
   register_function((pf_generic) mod_dwarves_only, "mod_dwarves_only");
   register_function((pf_generic) res_changeitem, "changeitem");
diff --git a/src/kernel/item_test.c b/src/kernel/item_test.c
index c59e47d33..c9a144ede 100644
--- a/src/kernel/item_test.c
+++ b/src/kernel/item_test.c
@@ -2,11 +2,52 @@
 
 #include <kernel/types.h>
 #include <kernel/item.h>
+#include <kernel/pool.h>
+#include <kernel/unit.h>
 #include <util/language.h>
+#include <util/functions.h>
 
 #include <CuTest.h>
 #include <tests.h>
 
+static void test_uchange(CuTest * tc, unit * u, const resource_type * rtype) {
+  int n;
+  change_resource(u, rtype, 4);
+  n = get_resource(u, rtype);
+  CuAssertPtrNotNull(tc, rtype->uchange);
+  CuAssertIntEquals(tc, n, rtype->uchange(u, rtype, 0));
+  CuAssertIntEquals(tc, n-3, rtype->uchange(u, rtype, -3));
+  CuAssertIntEquals(tc, n-3, get_resource(u, rtype));
+  CuAssertIntEquals(tc, 0, rtype->uchange(u, rtype, -n));
+}
+
+void test_change_item(CuTest * tc)
+{
+  unit * u;
+
+  test_cleanup();
+  register_resources();
+  init_resources();
+  test_create_world();
+
+  u = test_create_unit(0, 0);
+  test_uchange(tc, u, olditemtype[I_IRON]->rtype);
+}
+
+void test_change_person(CuTest * tc)
+{
+  unit * u;
+
+  test_cleanup();
+
+  register_resources();
+  init_resources();
+  test_create_world();
+
+  u = test_create_unit(0, 0);
+  test_uchange(tc, u, r_unit);
+}
+
 void test_resource_type(CuTest * tc)
 {
   struct item_type *itype;
@@ -68,6 +109,8 @@ void test_findresourcetype(CuTest * tc)
 CuSuite *get_item_suite(void)
 {
   CuSuite *suite = CuSuiteNew();
+  SUITE_ADD_TEST(suite, test_change_item);
+  SUITE_ADD_TEST(suite, test_change_person);
   SUITE_ADD_TEST(suite, test_resource_type);
   SUITE_ADD_TEST(suite, test_finditemtype);
   SUITE_ADD_TEST(suite, test_findresourcetype);
diff --git a/src/kernel/region.c b/src/kernel/region.c
index c2d5e6587..e22e5ef62 100644
--- a/src/kernel/region.c
+++ b/src/kernel/region.c
@@ -1016,6 +1016,16 @@ void region_setresource(region * r, const resource_type * rtype, int value)
       rsetpeasants(r, value);
     else if (rtype == rt_find("horse"))
       rsethorses(r, value);
+    else {
+      int i;
+      for (i = 0; r->terrain->production[i].type; ++i) {
+        const terrain_production *production = r->terrain->production + i;
+        if (production->type==rtype) {
+          add_resource(r, 1, value, dice_rand(production->divisor), rtype);
+          break;
+        }
+      }
+    }
   }
 }
 
@@ -1604,7 +1614,7 @@ int owner_change(const region * r)
   if (r->land && r->land->ownership) {
     return r->land->ownership->since_turn;
   }
-  return -1;
+  return INT_MIN;
 }
 
 bool is_mourning(const region * r, int in_turn)
diff --git a/src/kernel/resources.c b/src/kernel/resources.c
index 4a3607d7b..5f3c14757 100644
--- a/src/kernel/resources.c
+++ b/src/kernel/resources.c
@@ -82,6 +82,10 @@ void terraform_resources(region * r)
 {
   int i;
   const terrain_type *terrain = r->terrain;
+  static int terraform_all = -1;
+  if (terraform_all<0) {
+    terraform_all = get_param_int(global.parameters, "rules.terraform.all", 0);
+  }
 
   if (terrain->production == NULL)
     return;
@@ -94,10 +98,11 @@ void terraform_resources(region * r)
       if (rm->type->rtype == rtype)
         break;
     }
-    if (rm)
+    if (rm) {
       continue;
-
-    if (chance(production->chance)) {
+    }
+    
+    if (terraform_all || chance(production->chance)) {
       add_resource(r, dice_rand(production->startlevel),
         dice_rand(production->base), dice_rand(production->divisor),
         production->type);
diff --git a/src/tests.c b/src/tests.c
index dd05c7d93..568e65ac4 100644
--- a/src/tests.c
+++ b/src/tests.c
@@ -180,15 +180,15 @@ void test_create_world(void)
   terrain_type *t_plain, *t_ocean;
   region *island[2];
   int i;
-  item_type * itype;
-  const char * names[] = { "horse", "horse_p", "boat", "boat_p" };
+  const char * names[] = { "horse", "horse_p", "boat", "boat_p", "iron", "iron_p", "stone", "stone_p" };
 
   make_locale("de");
   init_resources();
   assert(!olditemtype[I_HORSE]);
 
-  itype = test_create_itemtype(names);
-  olditemtype[I_HORSE] = itype;
+  olditemtype[I_HORSE] = test_create_itemtype(names+0);
+  olditemtype[I_IRON] = test_create_itemtype(names+4);
+  olditemtype[I_STONE] = test_create_itemtype(names+6);
 
   t_plain = test_create_terrain("plain", LAND_REGION | FOREST_REGION | WALK_INTO | CAVALRY_REGION);
   t_plain->size = 1000;