add freeze test for dbm and gdbm.

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@6264 b2dd03c8-39d4-4d8f-98ff-823fe69b080e

ChangeLog

@@ -2204,7 +2204,7 @@ Sun Feb  1 05:30:06 2004  Tanaka Akira  <akr@m17n.org>
 
 	* lib/open-uri.rb (URI::Generic#find_proxy): warn HTTP_PROXY.
 	 raise an errror on non-http proxy URI.
-	 (OpenURI::Buffer#<<): make a tempfile binmode.  [ruby-talk:90792]
+	 (OpenURI::Buffer#<<): make a tempfile binmode.  [ruby-talk:90793]
 
 Sun Feb  1 00:57:41 2004  Kouhei Sutou  <kou@cozmixng.org>
 

MANIFEST

@@ -774,6 +774,7 @@ sample/wsdl/googleSearch/wsdlDriver.rb
 sample/wsdl/raa/raa.wsdl
 sample/wsdl/raa/soap4r.rb
 test/csv/test_csv.rb
+test/dbm/test_dbm.rb
 test/digest/test_digest.rb
 test/drb/drbtest.rb
 test/drb/test_acl.rb

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

test/gdbm/test_gdbm.rb

@@ -29,5 +29,12 @@ if defined? GDBM
       }
       assert(v)
     end
+
+    def test_freeze
+      GDBM.open("#{TMPROOT}/a.dbm") {|d|
+        d.freeze
+        assert_raises(TypeError) { d["k"] = "v" }
+      }
+    end
   end
 end