[wrapper][test] add auto increment primary key test.

test/sql/groonga_wrapper/r/auto_increment_text.result

@@ -0,0 +1,15 @@
+drop table if exists diaries;
+create table diaries (
+id int primary key auto_increment,
+body text
+) comment = 'engine "innodb"';
+insert into diaries (body) values ("started groonga (long text)");
+select * from diaries;
+id	body
+1	started groonga (long text)
+insert into diaries (body) values ("sleeping... (short text)");
+select * from diaries;
+id	body
+1	started groonga (long text)
+2	sleeping... (short text)
+drop table diaries;

test/sql/groonga_wrapper/t/auto_increment_text.test

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+# Copyright(C) 2011 Kouhei Sutou <kou@clear-code.com>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Lesser General Public
+# License as published by the Free Software Foundation; either
+# version 2.1 of the License, or (at your option) any later version.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
+# Lesser General Public License for more details.
+#
+# You should have received a copy of the GNU Lesser General Public
+# License along with this library; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+
+--source suite/groonga_include/groonga_init.inc
+
+--disable_warnings
+drop table if exists diaries;
+--enable_warnings
+
+create table diaries (
+  id int primary key auto_increment,
+  body text
+) comment = 'engine "innodb"';
+insert into diaries (body) values ("started groonga (long text)");
+select * from diaries;
+insert into diaries (body) values ("sleeping... (short text)");
+select * from diaries;
+drop table diaries;
+
+--source suite/groonga_include/groonga_deinit.inc