test: History ui tests

testing/history/data/files/artificial_player.cpp

@@ -0,0 +1,67 @@
+#include "artificial_player.h"
+
+ArtificialPlayer::ArtificialPlayer( Field::Token token, const char* name  )
+	: Player( token, name ) {
+}
+
+ArtificialPlayer::~ArtificialPlayer() {
+}
+
+Field::Move ArtificialPlayer::Turn( const Field& field ) const {
+	Field fakeField = field.Clone();
+	Node node = MinMax( fakeField, token_ );
+	return node.move;
+}
+
+ArtificialPlayer::Node ArtificialPlayer::MinMax( Field& field, Field::Token token ) const {
+	Node node;
+	node.value = -10000;
+
+	Field::Move move;
+	int sameMove;
+
+	for ( int i = 0; i < 3; i++ ) {
+		move.row = i;
+
+		for ( int j = 0; j < 3; j++ ) {
+			move.col = j;
+
+			if ( !field.IsEmpty( move ) ) {
+				continue;
+			}
+
+			field.MakeMove( move, token );
+
+			int turnValue = Evaluate( field, token );
+			if ( !turnValue && !field.IsFull() ) {
+				turnValue = -MinMax( field, Field::Opponent( token ) ).value;
+			}
+
+			field.ClearMove( move );
+
+			if ( turnValue > node.value ) {
+				node.move = move;
+				node.value = turnValue;
+				sameMove = 1;
+			} else if ( turnValue == node.value ) {
+				sameMove++;
+				if ( 1 % sameMove == 0 ) {
+					node.move = move;
+				}
+			}
+		}
+	}
+
+	return node;
+}
+
+int ArtificialPlayer::Evaluate( const Field& field, Field::Token token ) const {
+	if ( field.SameInRow( token, 3 ) ) {
+		return 2;
+	} else if ( field.SameInRow( Field::Opponent( token ), 2 ) ) {
+		return -1;
+	} else if ( field.SameInRow( token, 2 ) > 1 ) {
+		return 1;
+	}
+	return 0;
+}