Fixes a bug where calling Engine#to_html multiple times on the same Engine object duplicated the text

each time.


git-svn-id: svn://hamptoncatlin.com/haml/branches/edge@102 7063305b-7217-0410-af8c-cdc13e5119b9

lib/haml/engine.rb

@@ -100,8 +100,6 @@ module Haml
       options.each { |k,v| eval("@#{k} = v") }
 
       @template = template #String
-      @buffer = Haml::Buffer.new
-
       @to_close_stack = []
       @tabulation = 0
 
@@ -114,6 +112,7 @@ module Haml
     # a string.
     def to_html(scope = Object.new, &block)
       @scope_object = scope
+      @buffer = Haml::Buffer.new
 
       # Compile the @precompiled buffer
       compile &block

test/engine_test.rb

@@ -48,4 +48,11 @@ class EngineTest < Test::Unit::TestCase
   def test_long_liner_should_not_print_on_one_line
     assert_equal("<div>\n  #{'x' * 51}\n</div>", render("%div #{'x' * 51}").chomp)
   end
+  
+  def test_multi_render
+    engine = Haml::Engine.new("%strong Hi there!")
+    assert_equal("<strong>Hi there!</strong>\n", engine.to_html)
+    assert_equal("<strong>Hi there!</strong>\n", engine.to_html)
+    assert_equal("<strong>Hi there!</strong>\n", engine.to_html)
+  end
 end