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Description: Fast, Nimble PDF Writer for Ruby
Homepage: http://prawn.majesticseacreature.com
Clone URL: git://github.com/sandal/prawn.git 
Test nested bounding boxes. They still use absolute positioning to define the 
boxes (I didn't know that) [#30]
sandal (author)
Fri Jun 20 13:43:45 -0700 2008
commit  55e90a1e74ec8756d36eda8418a283e3d5a9af06
tree    204bdee944868a555021c5274807ef5c59edb11f
parent  2e7740e75b84fb7b43d70383aad0ab6a47a770f0
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spec/bounding_box_spec.rb 
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@@ -44,3 +44,36 @@ describe "A bounding box" do
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   end
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 end
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+
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+describe "drawing bounding boxes" do
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+
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+  it "should restore the margin box when bounding box exits" do
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+    @pdf = Prawn::Document.new
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+    margin_box = @pdf.bounds
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+
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+    @pdf.bounding_box [100,500] do
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+      #nothing
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+    end
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+
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+    @pdf.bounds.should == margin_box
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+
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+  end
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+
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+  it "should restore the parent bounding box when calls are nested" do
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+    @pdf = Prawn::Document.new
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+    @pdf.bounding_box [100,500], :width => 300, :height => 300 do 
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+
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+      @pdf.bounds.absolute_top.should  == 500
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+      @pdf.bounds.absolute_left.should == 100 
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+
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+      @pdf.bounding_box [50,200], :width => 100, :height => 100 do
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+        @pdf.bounds.absolute_top.should == 200 
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+        @pdf.bounds.absolute_left.should == 50
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+      end
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+
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+      @pdf.bounds.absolute_top.should  == 500
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+      @pdf.bounds.absolute_left.should == 100 
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+
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+    end
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+  end
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+end

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