This commit was manufactured by cvs2svn to create branch 'ruby_1_8'.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_1_8@6265 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

test/dbm/test_dbm.rb

@@ -0,0 +1,31 @@
+require 'test/unit/testsuite'
+require 'test/unit/testcase'
+
+begin
+  require 'dbm'
+rescue LoadError
+end
+
+if defined? DBM
+  require 'tmpdir'
+  require 'fileutils'
+
+  class TestDBM < Test::Unit::TestCase
+    TMPROOT = "#{Dir.tmpdir}/ruby-gdbm.#{$$}"
+
+    def setup
+      Dir.mkdir TMPROOT
+    end
+
+    def teardown
+      FileUtils.rm_rf TMPROOT if File.directory?(TMPROOT)
+    end
+
+    def test_freeze
+      DBM.open("#{TMPROOT}/a.dbm") {|d|
+        d.freeze
+        assert_raises(TypeError) { d["k"] = "v" }
+      }
+    end
+  end
+end