add simple_test and enumerable range/dup queries. improve absolute sort

bdb.gemspec

@@ -2,7 +2,7 @@ BDB_SPEC = Gem::Specification.new do |s|
     s.platform  =   Gem::Platform::RUBY
     s.required_ruby_version = '>=1.8.4'
     s.name      =   "bdb"
-    s.version   =   "0.0.6"
+    s.version   =   "0.0.7"
     s.authors   =  ["Matt Bauer", "Dan Janowski"]
     s.email     =  "bauer@pedalbrain.com"
     s.summary   =   "A Ruby interface to BerkeleyDB"

test/simple_test.rb

@@ -0,0 +1,53 @@
+require 'test_helper'
+require File.dirname(__FILE__) + '/../lib/bdb/simple'
+
+class SimpleTest < Test::Unit::TestCase
+  def setup
+    mkdir File.join(File.dirname(__FILE__), 'tmp')
+ 
+    file = File.join(File.dirname(__FILE__), 'tmp', 'simple.db')
+    @db  = Bdb::Simple.new(file)
+
+    file = File.join(File.dirname(__FILE__), 'tmp', 'simple-dup.db')
+    @dbd = Bdb::Simple.new(file, :dup => true)
+  end
+  
+  def teardown
+    @db.close
+    @dbd.close
+    rm_rf File.join(File.dirname(__FILE__), 'tmp')
+  end
+  
+  def test_put_and_get
+    @db['key'] = 'data'
+    assert_equal 'data', @db['key']
+
+    @dbd['key'] = 'data1'
+    @dbd['key'] = 'data2'
+    assert_equal ['data1', 'data2'], @dbd['key'].to_a
+  end
+  
+  def test_delete
+    @db['key'] = 'data'
+    assert_equal 'data', @db['key']
+
+    @db.delete('key')    
+    assert_nil @db['key']
+  end
+  
+  def test_range
+    (1..10).each {|i| @db[i] = "data#{i}"}
+    
+    assert_equal (3..7).collect {|i| "data#{i}"}, @db[3..7].to_a
+  end
+
+  def test_compare_absolute
+    list = [5, 6, "foo", :bar, "bar", :foo, [1,2,4], true, [1,2,3], false, [1], [2], nil, {}, {:b => 1, :a => 1}, {:b => 2, :a => 1}]
+
+    expected = [nil, true, :bar, :foo, "bar", "foo", 5, 6, false, [1], [1, 2, 3], [1, 2, 4], [2], {}, {:a=>1, :b=>1}, {:a=>1, :b=>2}]
+    assert_equal expected, list.sort {|a,b| Bdb::Simple.compare_absolute(a,b)}
+    100.times do
+      assert_equal expected, list.shuffle.sort {|a,b| Bdb::Simple.compare_absolute(a,b)}
+    end
+  end
+end