grid_spec.rb in prawn-1.0.0

- old
+ new

@@ -1,48 +1,59 @@
 # encoding: utf-8
-require File.join(File.expand_path(File.dirname(__FILE__)), "spec_helper") 
+require File.join(File.expand_path(File.dirname(__FILE__)), "spec_helper")
 
 describe "A document's grid" do
   before do
     @pdf = Prawn::Document.new
   end
-  
+
   it "should allow definition of a grid" do
     @pdf.define_grid(:columns => 5, :rows => 8, :gutter => 0.1)
     @pdf.grid.columns.should == 5
     @pdf.grid.rows.should == 8
     @pdf.grid.gutter.should == 0.1
   end
-  
+
+  it "should allow re-definition of a grid" do
+    @pdf.define_grid(:columns => 5, :rows => 8, :gutter => 0.1)
+    @pdf.grid.columns.should == 5
+    @pdf.grid.rows.should == 8
+    @pdf.grid.gutter.should == 0.1
+    @pdf.define_grid(:columns => 3, :rows => 6, :gutter => 0.1)
+    @pdf.grid.columns.should == 3
+    @pdf.grid.rows.should == 6
+    @pdf.grid.gutter.should == 0.1
+  end
+
   describe "when a grid is defined" do
     before do
       @num_columns = 5
       @num_rows = 8
       @gutter = 10.0
       @pdf.define_grid(
-        :columns => @num_columns, 
-        :rows => @num_rows, 
+        :columns => @num_columns,
+        :rows => @num_rows,
         :gutter => @gutter
       )
     end
-    
+
     it "should compute the column width" do
-      (@pdf.grid.column_width * @num_columns.to_f + 
+      (@pdf.grid.column_width * @num_columns.to_f +
         @gutter * (@num_columns - 1).to_f).should == @pdf.bounds.width
     end
-    
+
     it "should compute the row height" do
-      (@pdf.grid.row_height * @num_rows.to_f + 
+      (@pdf.grid.row_height * @num_rows.to_f +
         @gutter * (@num_rows - 1).to_f).should == @pdf.bounds.height
     end
 
     it "should give the edges of a grid box" do
-      grid_width = (@pdf.bounds.width.to_f - 
+      grid_width = (@pdf.bounds.width.to_f -
         (@gutter * (@num_columns - 1).to_f )) / @num_columns.to_f
-      grid_height = (@pdf.bounds.height.to_f - 
+      grid_height = (@pdf.bounds.height.to_f -
         (@gutter * (@num_rows - 1).to_f ))/ @num_rows.to_f
-      
+
       exp_tl_x = (grid_width + @gutter.to_f) * 4.0
       exp_tl_y = @pdf.bounds.height.to_f - (grid_height + @gutter.to_f)
 
       @pdf.grid(1,4).top_left.should      == [exp_tl_x, exp_tl_y]
       @pdf.grid(1,4).top_right.should     == [exp_tl_x + grid_width, exp_tl_y]
@@ -62,10 +73,10 @@
       @pdf.grid.show_all('cccccc')
 
       colors = PDF::Inspector::Graphics::Color.analyze(@pdf.render)
       colors.fill_color.should_not   == [0.8,0.8,0.8]
       colors.stroke_color.should_not == [0.8,0.8,0.8]
-      
+
       # Hardcoded default color as I haven't been able to come up with a stable converter
       # between fill_color without lots code.
       #colors.fill_color.should   == [0.0,0.0,0.0]
       colors.stroke_color.should == [0.0,0.0,0.0]
     end