test case for install plugin on boostrap

mysql-test/t/bootstrap.test

@@ -60,3 +60,22 @@ SELECT 'bug' as '' FROM INFORMATION_SCHEMA.ENGINES WHERE engine='innodb'
  and SUPPORT='YES';
 
 --echo End of 5.5 tests
+
+--source include/not_windows_embedded.inc
+--source include/have_example_plugin.inc
+#
+# Check that --bootstrap can load/unload plugins
+#
+--disable_query_log
+let $PLUGIN_DIR=`select @@plugin_dir`;
+eval SELECT "install plugin example soname '$HA_EXAMPLE_SO';" INTO OUTFILE '$MYSQLTEST_VARDIR/tmp/install_plugin.sql';
+--enable_query_log
+--exec $MYSQLD_BOOTSTRAP_CMD --plugin-dir=$PLUGIN_DIR  < $MYSQLTEST_VARDIR/tmp/install_plugin.sql >> $MYSQLTEST_VARDIR/tmp/bootstrap.log 2>&1
+remove_file $MYSQLTEST_VARDIR/tmp/install_plugin.sql;
+--write_file $MYSQLTEST_VARDIR/tmp/bootstrap_plugins.sql
+use test;
+create table t1(a int) engine=example;
+drop table t1;
+EOF
+--exec $MYSQLD_BOOTSTRAP_CMD --plugin-dir=$PLUGIN_DIR < $MYSQLTEST_VARDIR/tmp/bootstrap_plugins.sql >> $MYSQLTEST_VARDIR/tmp/bootstrap.log 2>&1
+remove_file $MYSQLTEST_VARDIR/tmp/bootstrap_plugins.sql;