From 442d19ecb517097a30207f665f38f3cb1203025b Mon Sep 17 00:00:00 2001
From: mahlon <mahlon@martini.nu>
Date: Mon, 8 Aug 2022 23:02:59 +0000
Subject: [PATCH] Minor updates for Ruby 3.x.

FossilOrigin-Name: 792a95e73dbfb858dbbd56b1140c2ddf6bc3afb558e65cc665f30fd6db6833e1
---
 .ruby-version              | 2 +-
 ext/mdbx_ext/database.c    | 2 +-
 lib/mdbx/database.rb       | 4 +---
 spec/mdbx/database_spec.rb | 3 +--
 4 files changed, 4 insertions(+), 7 deletions(-)

diff --git a/.ruby-version b/.ruby-version
index 1effb00..8c50098 100644
--- a/.ruby-version
+++ b/.ruby-version
@@ -1 +1 @@
-2.7
+3.1
diff --git a/ext/mdbx_ext/database.c b/ext/mdbx_ext/database.c
index 66ae796..8fc20b4 100644
--- a/ext/mdbx_ext/database.c
+++ b/ext/mdbx_ext/database.c
@@ -860,7 +860,7 @@ static VALUE rmdbx_init_copy( VALUE copy, VALUE orig )
 void
 rmdbx_init_database()
 {
-	rmdbx_cDatabase = rb_define_class_under( rmdbx_mMDBX, "Database", rb_cData );
+	rmdbx_cDatabase = rb_define_class_under( rmdbx_mMDBX, "Database", rb_cObject );
 
 #ifdef FOR_RDOC
 	rmdbx_mMDBX = rb_define_module( "MDBX" );
diff --git a/lib/mdbx/database.rb b/lib/mdbx/database.rb
index 43ae417..71541e0 100644
--- a/lib/mdbx/database.rb
+++ b/lib/mdbx/database.rb
@@ -85,7 +85,7 @@ class MDBX::Database
 	###
 	### [:no_threadlocal]
 	###   Parallelize read-only transactions across threads.  Writes are
-	###   always thread local. (See MDBX documentatoin for details.)
+	###   always thread local. (See MDBX documentation for details.)
 	###
 	### [:readonly]
 	###   Reject any write attempts while using this database handle.
@@ -364,7 +364,6 @@ class MDBX::Database
 	protected
 	#########
 
-
 	### Safely serialize a value, closing any open transaction and re-raising
 	### if necessary.
 	###
@@ -391,7 +390,6 @@ class MDBX::Database
 	end
 
 
-
 	### Yield and return the block, opening a snapshot first if
 	### there isn't already a transaction in progress.  Closes
 	### the snapshot if this method opened it.
diff --git a/spec/mdbx/database_spec.rb b/spec/mdbx/database_spec.rb
index e228937..1129942 100644
--- a/spec/mdbx/database_spec.rb
+++ b/spec/mdbx/database_spec.rb
@@ -71,8 +71,7 @@ RSpec.describe( MDBX::Database ) do
 			# here for behavior.
 			expect {
 				described_class.open( TEST_DATABASE.to_s )
-			}.
-			to raise_exception( MDBX::DatabaseError, /environment is already used/ )
+            }.to raise_exception( MDBX::DatabaseError, /resource \w+ unavailable/i )
 		end
 	end