1 files changed, 33 insertions, 0 deletions
diff --git a/test/gdbm/test_gdbm.rb b/test/gdbm/test_gdbm.rb
new file mode 100644
index 0000000000..a4bddfe078
--- /dev/null
+++ b/test/gdbm/test_gdbm.rb
@@ -0,0 +1,33 @@
+require 'test/unit/testsuite'
+require 'test/unit/testcase'
+
+begin
+  require 'gdbm'
+rescue LoadError
+end
+
+if defined? GDBM
+  require 'tmpdir'
+  require 'fileutils'
+
+  class TestGDBM < 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_open
+      GDBM.open("#{TMPROOT}/a.dbm") {}
+      v = GDBM.open("#{TMPROOT}/a.dbm", nil, GDBM::READER) {|d|
+        assert_raises(GDBMError) { d["k"] = "v" }
+        true
+      }
+      assert(v)
+    end
+  end
+end