add tests of modify_turns tag

data/test/scenarios/prestart_settings.cfg

@@ -1,4 +1,7 @@
-# Tests whether setting gold of a side in prestart works, or goes OOS
+# Tests how various variable settings occuring in prestart
+# and in early events work out.
+# For example, whether setting gold of a side in prestart works, or goes OOS
+# Also, whether setting the turn counter works.
 
 {GENERIC_UNIT_TEST "set_gold_in_prestart_one" (
     [event]
@@ -34,3 +37,79 @@
         {RETURN ({VARIABLE_CONDITIONAL temp.gold equals 666})}
     [/event]
 )}
+
+{GENERIC_UNIT_TEST "modify_turns_one" (
+    [event]
+        name=prestart
+        [modify_turns]
+            value=42
+        [/modify_turns]
+    [/event]
+    [event]
+        name=side 1 turn 1
+        [store_turns]
+            variable=temp
+        [/store_turns]
+        {RETURN ({VARIABLE_CONDITIONAL temp equals 42})}
+    [/event]
+)}
+
+{GENERIC_UNIT_TEST "modify_turns_two" (
+    [event]
+        name=prestart
+        [modify_turns]
+            current=42
+        [/modify_turns]
+    [/event]
+    [event]
+        name=side 1 turn 1
+        {RETURN ([false][/false])}
+    [/event]
+    [event]
+        name=side 1 turn 42
+        {RETURN ([true][/true])}
+    [/event]
+)}
+
+{GENERIC_UNIT_TEST "modify_turns_three" (
+    [event]
+        name=side 1 turn 1
+        [modify_turns]
+            current=42
+        [/modify_turns]
+    [/event]
+    [event]
+        name=side 1 turn 1 refresh
+        {RETURN ([true][/true])}
+    [/event]
+    [event]
+        name=side 1 turn 42
+        {RETURN ([false][/false])}
+    [/event]
+)}
+
+{GENERIC_UNIT_TEST "modify_turns_four" (
+    [event]
+        name=side 1 turn 1
+        [modify_turns]
+            current=42
+        [/modify_turns]
+    [/event]
+    [event]
+        name=side 1 turn 1 refresh
+        [end_turn]
+        [/end_turn]
+    [/event]
+    [event]
+        name=side 1 turn 1 end
+        {RETURN ([false][/false])}
+    [/event]
+    [event]
+        name=side 2 turn 42
+        {RETURN ([true][/true])}
+    [/event]
+    [event]
+        name=side 1 turn 43
+        {RETURN ([false][/false])}
+    [/event]
+)}

wml_test_schedule

@@ -65,6 +65,10 @@
 0 move_skip_all_sighted_yes_share_view
 0 set_gold_in_prestart_one
 0 set_gold_in_prestart_two
+0 modify_turns_one
+0 modify_turns_two
+0 modify_turns_three
+0 modify_turns_four
 #
 # Attack calculations & codepath tests
 #