add a message to the unit that gets kicked, with tests

res/core/messages.xml

@@ -1,5 +1,23 @@
 <?xml version="1.0" encoding="ISO-8859-1"?>
 <messages>
+  <message name="force_leave_ship" section="events">
+    <type>
+      <arg name="unit" type="unit"/>
+      <arg name="owner" type="unit"/>
+      <arg name="ship" type="ship"/>
+    </type>
+    <text locale="de">$unit($owner) bittet $unit($unit), $ship($ship) zu verlassen.</text>
+    <text locale="en">$unit($owner) asks $unit($unit) to leave $ship($ship).</text>
+  </message>
+  <message name="force_leave_building" section="events">
+    <type>
+      <arg name="unit" type="unit"/>
+      <arg name="owner" type="unit"/>
+      <arg name="building" type="building"/>
+    </type>
+    <text locale="de">$unit($owner) bittet $unit($unit), $building($building) zu verlassen.</text>
+    <text locale="en">$unit($owner) asks $unit($unit) to leave $building($building).</text>
+  </message>
   <message name="alp_destroyed" section="events">
     <type>
       <arg name="region" type="region"/>

src/laws.c

@@ -4277,14 +4277,20 @@ void force_leave(region *r) {
     unit *u;
     for (u = r->units; u; u = u->next) {
         unit *uo = NULL;
+        message *msg = NULL;
         if (u->building) {
             uo = building_owner(u->building);
+            msg = msg_message("force_leave_building", "unit owner building", u, uo, u->building);
         }
         if (u->ship && r->land) {
             uo = ship_owner(u->ship);
+            msg = msg_message("force_leave_ship", "unit owner ship", u, uo, u->ship);
         }
         if (uo && !help_enter(uo, u)) {
             leave(u, false);
+            if (msg) {
+                ADDMSG(&u->faction->msgs, msg);
+            }
         }
     }
 }

src/laws.test.c

@@ -15,6 +15,7 @@
 
 #include <util/base36.h>
 #include <util/language.h>
+#include <util/message.h>
 
 #include <CuTest.h>
 #include <tests.h>
@@ -231,6 +232,7 @@ static void test_force_leave_buildings(CuTest *tc) {
     region *r;
     unit *u1, *u2, *u3;
     building * b;
+    message *msg;
     test_cleanup();
     r = test_create_region(0, 0, test_create_terrain("plain", LAND_REGION));
     u1 = test_create_unit(test_create_faction(NULL), r);
@@ -245,6 +247,8 @@ static void test_force_leave_buildings(CuTest *tc) {
     CuAssertPtrEquals_Msg(tc, "owner should not be forecd to leave", b, u1->building);
     CuAssertPtrEquals_Msg(tc, "same faction should not be forced to leave", b, u2->building);
     CuAssertPtrEquals_Msg(tc, "non-allies should be forced to leave", NULL, u3->building);
+    msg = test_get_last_message(u3->faction->msgs);
+    CuAssertStrEquals(tc, "force_leave_building", test_get_messagetype(msg));
 
     u_set_building(u3, b);
     al = ally_add(&u1->faction->allies, u3->faction);
@@ -258,6 +262,7 @@ static void test_force_leave_ships(CuTest *tc) {
     region *r;
     unit *u1, *u2;
     ship *sh;
+    message *msg;
     test_cleanup();
     r = test_create_region(0, 0, test_create_terrain("plain", LAND_REGION));
     u1 = test_create_unit(test_create_faction(NULL), r);
@@ -268,6 +273,8 @@ static void test_force_leave_ships(CuTest *tc) {
     ship_set_owner(u1);
     force_leave(r);
     CuAssertPtrEquals_Msg(tc, "non-allies should be forced to leave", NULL, u2->ship);
+    msg = test_get_last_message(u2->faction->msgs);
+    CuAssertStrEquals(tc, "force_leave_ship", test_get_messagetype(msg));
     test_cleanup();
 }
 

src/tests.c

@@ -14,6 +14,7 @@
 #include <kernel/spell.h>
 #include <kernel/spellbook.h>
 #include <kernel/terrain.h>
+#include <kernel/messages.h>
 #include <util/functions.h>
 #include <util/language.h>
 #include <util/message.h>
@@ -193,6 +194,14 @@ void test_create_world(void)
   test_create_shiptype("boat");
 }
 
+message * test_get_last_message(message_list *msgs) {
+    struct mlist *iter = msgs->begin;
+    while (iter->next) {
+        iter = iter->next;
+    }
+    return iter->msg;
+}
+
 const char * test_get_messagetype(const message *msg) {
     const char * name = msg->type->name;
     if (strcmp(name, "missing_message") == 0) {

src/tests.h

@@ -14,6 +14,7 @@ extern "C" {
     struct building;
     struct ship;
     struct message;
+    struct message_list;
     struct item_type;
     struct building_type;
     struct ship_type;
@@ -37,6 +38,7 @@ extern "C" {
     int RunAllTests(void);
     void test_translate_param(const struct locale *lang, param_t param, const char *text);
     const char * test_get_messagetype(const struct message *msg);
+    struct message * test_get_last_message(struct message_list *mlist);
 
 #ifdef __cplusplus
 }