2 files changed, 15 insertions, 1 deletions
diff --git a/test/stylesheet/tc_gradient_fill.rb b/test/stylesheet/tc_gradient_fill.rb
index c252a498..546941d7 100644
--- a/test/stylesheet/tc_gradient_fill.rb
+++ b/test/stylesheet/tc_gradient_fill.rb
@@ -61,4 +61,12 @@ class TestGradientFill < Test::Unit::TestCase
     assert(@item.stop.size == 1)
     assert(@item.stop.last.is_a?(Axlsx::GradientStop))
   end
+
+  def test_to_xml_string
+    @item.stop << Axlsx::GradientStop.new(Axlsx::Color.new(:rgb => "000000"), 0.5)
+    @item.stop << Axlsx::GradientStop.new(Axlsx::Color.new(:rgb => "FFFFFF"), 0.5)
+    @item.type = :path
+    doc = Nokogiri::XML(@item.to_xml_string)
+    assert(doc.xpath("//color[@rgb='FF000000']"))
+  end
 end
diff --git a/test/stylesheet/tc_pattern_fill.rb b/test/stylesheet/tc_pattern_fill.rb
index 65ed0dd1..3895cffb 100644
--- a/test/stylesheet/tc_pattern_fill.rb
+++ b/test/stylesheet/tc_pattern_fill.rb
@@ -33,5 +33,11 @@ class TestPatternFill < Test::Unit::TestCase
     assert_nothing_raised { @item.patternType = :lightUp }
     assert_equal(@item.patternType, :lightUp)
   end
-
+ 
+  def test_to_xml_string
+    @item = Axlsx::PatternFill.new :bgColor => Axlsx::Color.new(:rgb => "FF0000"), :fgColor => Axlsx::Color.new(:rgb=>"00FF00") 
+    doc = Nokogiri::XML(@item.to_xml_string)
+    assert(doc.xpath('//color[@rgb="FFFF0000"]'))
+    assert(doc.xpath('//color[@rgb="FF00FF00"]'))
+  end
 end