#492 added some more input checks while we are at it

REGRESSIONS/4_89_to_4_91.inp

@@ -77,5 +77,32 @@ Pieces Black Og4 White sc8 ke7
 condition make&take
 option nowk nobk
 
-End
+next
+
+pieces white ka1 se5 black kb3 rb8
+stipulation s#3
+condition imitator a7b7c7d7e7f7g7h7g8h8f8e8
+option vari nothreat
+
+next
+
+pieces ka1
+stip ~1
+option enpassant a5b5c5d5e5
+
+next
+
+pieces white ka1 se5 black kb3 rb8
+stipulation s#3
+condition blackmindister e5b8a1
+option vari nothreat
+
+next
+
+pieces white ka1 se5 black kb3 rb8
+stipulation s#3
+condition blackmindister e5e5
+option vari nothreat
+
+end
 

REGRESSIONTESTS/4_89_to_4_91.reg

@@ -373,3 +373,140 @@ clarification of Orphan + Make&Take - the wK "makes" like a black Orphan when it
 solution finished.
 
 
+input-error:too many imitators
+offending item: a7b7c7d7e7f7g7h7g8h8f8e8
+
+
++---a---b---c---d---e---f---g---h---+
+|                                   |
+8   .  -R   .   .   .   .   I   I   8
+|                                   |
+7   I   I   I   I   I   I   I   I   7
+|                                   |
+6   .   .   .   .   .   .   .   .   6
+|                                   |
+5   .   .   .   .   S   .   .   .   5
+|                                   |
+4   .   .   .   .   .   .   .   .   4
+|                                   |
+3   .  -K   .   .   .   .   .   .   3
+|                                   |
+2   .   .   .   .   .   .   .   .   2
+|                                   |
+1   K   .   .   .   .   .   .   .   1
+|                                   |
++---a---b---c---d---e---f---g---h---+
+  s#3                         2 + 2
+Imitator a7 b7 c7 d7 e7 f7 g7 h7 g8 h8
+
+  add_to_move_generation_stack:          11
+                     play_move:           0
+ is_white_king_square_attacked:           0
+ is_black_king_square_attacked:           1
+
+solution finished.
+
+
+input-error:no color specified - all specification input ignored
+offending item: ka1
+input-error:offending item: ka1
+offending item: ka1
+Not more than 2 squares can be input for en passant keys.
+
+
++---a---b---c---d---e---f---g---h---+
+|                                   |
+8   .   .   .   .   .   .   .   .   8
+|                                   |
+7   .   .   .   .   .   .   .   .   7
+|                                   |
+6   .   .   .   .   .   .   .   .   6
+|                                   |
+5   .   .   .   .   .   .   .   .   5
+|                                   |
+4   .   .   .   .   .   .   .   .   4
+|                                   |
+3   .   .   .   .   .   .   .   .   3
+|                                   |
+2   .   .   .   .   .   .   .   .   2
+|                                   |
+1   .   .   .   .   .   .   .   .   1
+|                                   |
++---a---b---c---d---e---f---g---h---+
+  ~1                          0 + 0
+both sides need a king
+Inconsistent retro information
+
+problem ignored
+  add_to_move_generation_stack:           0
+                     play_move:           0
+ is_white_king_square_attacked:           0
+ is_black_king_square_attacked:           0
+
+solution finished.
+
+
+Exactly 2 dister reference squares have to be indicated
+
+
++---a---b---c---d---e---f---g---h---+
+|                                   |
+8   .  -R   .   .   .   .   .   .   8
+|                                   |
+7   .   .   .   .   .   .   .   .   7
+|                                   |
+6   .   .   .   .   .   .   .   .   6
+|                                   |
+5   .   .   .   .   S   .   .   .   5
+|                                   |
+4   .   .   .   .   .   .   .   .   4
+|                                   |
+3   .  -K   .   .   .   .   .   .   3
+|                                   |
+2   .   .   .   .   .   .   .   .   2
+|                                   |
+1   K   .   .   .   .   .   .   .   1
+|                                   |
++---a---b---c---d---e---f---g---h---+
+  s#3                         2 + 2
+
+  add_to_move_generation_stack:        3322
+                     play_move:        2224
+ is_white_king_square_attacked:        2053
+ is_black_king_square_attacked:         375
+
+solution finished.
+
+
+Exactly 2 dister reference squares have to be indicated
+
+
++---a---b---c---d---e---f---g---h---+
+|                                   |
+8   .  -R   .   .   .   .   .   .   8
+|                                   |
+7   .   .   .   .   .   .   .   .   7
+|                                   |
+6   .   .   .   .   .   .   .   .   6
+|                                   |
+5   .   .   .   .   S   .   .   .   5
+|                                   |
+4   .   .   .   .   .   .   .   .   4
+|                                   |
+3   .  -K   .   .   .   .   .   .   3
+|                                   |
+2   .   .   .   .   .   .   .   .   2
+|                                   |
+1   K   .   .   .   .   .   .   .   1
+|                                   |
++---a---b---c---d---e---f---g---h---+
+  s#3                         2 + 2
+
+  add_to_move_generation_stack:        3322
+                     play_move:        2224
+ is_white_king_square_attacked:        2053
+ is_black_king_square_attacked:         375
+
+solution finished.
+
+