Added ucs2 test moved from maria3.test. (MDEV-167)

mysql-test/suite/maria/r/maria-ucs2.result

+select * from INFORMATION_SCHEMA.ENGINES where ENGINE="ARIA";
+ENGINE	SUPPORT	COMMENT	TRANSACTIONS	XA	SAVEPOINTS
+Aria	YES	Crash-safe tables with MyISAM heritage	NO	NO	NO
+set global storage_engine=aria;
+set session storage_engine=aria;
+set global aria_page_checksum=0;
+set global aria_log_file_size=4294967295;
+drop table if exists t1;
+SET SQL_WARNINGS=1;
+CREATE TABLE t1 ( a VARCHAR(800),KEY(a) )
+ENGINE=Aria DEFAULT CHARACTER SET latin1;
+INSERT INTO t1 VALUES
+(REPEAT('abc ',200)), (REPEAT('def ',200)),
+(REPEAT('ghi ',200)), (REPEAT('jkl ',200));
+INSERT INTO t1 SELECT * FROM t1;
+CHECK TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+ALTER TABLE t1 MODIFY a VARCHAR(800) CHARSET `ucs2`;
+Warnings:
+Warning	1071	Specified key was too long; max key length is 1000 bytes
+Warning	1071	Specified key was too long; max key length is 1000 bytes
+CHECK TABLE t1;
+Table	Op	Msg_type	Msg_text
+test.t1	check	status	OK
+SHOW CREATE table t1;
+Table	Create Table
+t1	CREATE TABLE `t1` (
+  `a` varchar(800) CHARACTER SET ucs2 DEFAULT NULL,
+  KEY `a` (`a`(500))
+) ENGINE=Aria DEFAULT CHARSET=latin1 PAGE_CHECKSUM=0
+DROP TABLE t1;
+# End of 5.2 tests

mysql-test/suite/maria/t/maria-ucs2.test

+-- source include/have_maria.inc
+-- source include/have_ucs2.inc
+
+select * from INFORMATION_SCHEMA.ENGINES where ENGINE="ARIA";
+
+let $default_engine=`select @@global.storage_engine`;
+let $default_checksum=`select @@global.aria_page_checksum`;
+set global storage_engine=aria;
+set session storage_engine=aria;
+set global aria_page_checksum=0;
+let $default_log_file_size=`select @@global.aria_log_file_size`;
+set global aria_log_file_size=4294967295;
+
+# Initialise
+--disable_warnings
+drop table if exists t1;
+--enable_warnings
+SET SQL_WARNINGS=1;
+
+#
+# bug#905716: Assertion `page->size <= share->max_index_block_size'
+#
+
+CREATE TABLE t1 ( a VARCHAR(800),KEY(a) )
+  ENGINE=Aria DEFAULT CHARACTER SET latin1;
+INSERT INTO t1 VALUES
+  (REPEAT('abc ',200)), (REPEAT('def ',200)),
+  (REPEAT('ghi ',200)), (REPEAT('jkl ',200));
+INSERT INTO t1 SELECT * FROM t1;
+# check table is not needed to reproduce the problem,
+# but shows that by this time the table appears to be okay.
+CHECK TABLE t1;
+ALTER TABLE t1 MODIFY a VARCHAR(800) CHARSET `ucs2`;
+CHECK TABLE t1;
+SHOW CREATE table t1;
+DROP TABLE t1;
+
+--echo # End of 5.2 tests
+
+
+--disable_result_log
+--disable_query_log
+eval set global storage_engine=$default_engine,
+aria_page_checksum=$default_checksum,
+aria_log_file_size=$default_log_file_size;
+--enable_result_log
+--enable_query_log