Tests for Node#children=.

spec/oga/xml/node_spec.rb

@@ -15,4 +15,24 @@ describe Oga::XML::Node do
       described_class.new.node_type.should == :node
     end
   end
+
+  context '#children=' do
+    example 'set the child nodes using an Array' do
+      child = described_class.new
+      node  = described_class.new
+
+      node.children = [child]
+
+      node.children[0].should == child
+    end
+
+    example 'set the child nodes using a NodeSet' do
+      child = described_class.new
+      node  = described_class.new
+
+      node.children = Oga::XML::NodeSet.new([child])
+
+      node.children[0].should == child
+    end
+  end
 end