spec/text_at_spec.rb in prawn-0.11.1.pre vs spec/text_at_spec.rb in prawn-0.11.1

@@ -11,10 +11,16 @@
 
   it "should raise ArgumentError if :align option included" do
     lambda { @pdf.draw_text("hai", :at => [0, 0], :align => :center) }.should.raise(ArgumentError)
   end
 
+  it "should allow drawing empty strings to the page" do
+    @pdf.draw_text(" ", :at => [100,100])
+    text = PDF::Inspector::Text.analyze(@pdf.render)
+    text.strings.first.should == " "
+  end
+
   it "should default to 12 point helvetica" do
     @pdf.draw_text("Blah", :at => [100,100])
     text = PDF::Inspector::Text.analyze(@pdf.render)
     text.font_settings[0][:name].should == :Helvetica
     text.font_settings[0][:size].should == 12
@@ -95,25 +101,29 @@
   if "spec".respond_to?(:encode!)
     # Handle non utf-8 string encodings in a sane way on M17N aware VMs
     it "should raise an exception when a utf-8 incompatible string is rendered" do
       str = "Blah \xDD"
       str.force_encoding("ASCII-8BIT")
-      lambda { @pdf.draw_text(str, :at => [0, 0]) }.should.raise(ArgumentError)
+      lambda { @pdf.draw_text(str, :at => [0, 0]) }.should.raise(
+        Prawn::Errors::IncompatibleStringEncoding)
     end
     it "should not raise an exception when a shift-jis string is rendered" do
       datafile = "#{Prawn::BASEDIR}/data/shift_jis_text.txt"
       sjis_str = File.open(datafile, "r:shift_jis") { |f| f.gets }
       @pdf.font("#{Prawn::BASEDIR}/data/fonts/gkai00mp.ttf")
-      lambda { @pdf.draw_text(sjis_str, :at => [0, 0]) }.should.not.raise(ArgumentError)
+      lambda { @pdf.draw_text(sjis_str, :at => [0, 0]) }.should.not.raise(
+        Prawn::Errors::IncompatibleStringEncoding)
     end
   else
     # Handle non utf-8 string encodings in a sane way on non-M17N aware VMs
     it "should raise an exception when a corrupt utf-8 string is rendered" do
       str = "Blah \xDD"
-      lambda { @pdf.draw_text(str, :at => [0, 0]) }.should.raise(ArgumentError)
+      lambda { @pdf.draw_text(str, :at => [0, 0]) }.should.raise(
+        Prawn::Errors::IncompatibleStringEncoding)
     end
     it "should raise an exception when a shift-jis string is rendered" do
       sjis_str = File.read("#{Prawn::BASEDIR}/data/shift_jis_text.txt")
-      lambda { @pdf.draw_text(sjis_str, :at => [0, 0]) }.should.raise(ArgumentError)
+      lambda { @pdf.draw_text(sjis_str, :at => [0, 0]) }.should.raise(
+        Prawn::Errors::IncompatibleStringEncoding)
     end
   end
 end