1 files changed, 8 insertions, 0 deletions
diff --git a/test/drawing/tc_axes.rb b/test/drawing/tc_axes.rb
new file mode 100644
index 00000000..e3c26936
--- /dev/null
+++ b/test/drawing/tc_axes.rb
@@ -0,0 +1,8 @@
+require 'tc_helper.rb'
+
+class TestAxes < Test::Unit::TestCase
+  def test_constructor_requires_cat_axis_first
+    assert_raise(ArgumentError) { Axlsx::Axes.new(:val_axis => Axlsx::ValAxis, :cat_axis => Axlsx::CatAxis) }
+    assert_nothing_raised { Axlsx::Axes.new(:cat_axis => Axlsx::CatAxis, :val_axis => Axlsx::ValAxis) }
+  end
+end
+\ No newline at end of file