[gxml] XParser: Throw error on incorrect node name

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 6f41c293e4ba7993d18fe067b2636944ccd49f74
Author: Daniel Espinosa <esodan gmail com>
Date:   Fri Nov 4 20:44:03 2016 -0600

    XParser: Throw error on incorrect node name
    
    Parsing a DomElement with a different name from
    expected, throws error

 gxml/XParser.vala              |    8 ++++++++
 test/GomSerializationTest.vala |    8 ++++++++
 2 files changed, 16 insertions(+), 0 deletions(-)
---
diff --git a/gxml/XParser.vala b/gxml/XParser.vala
index 109a375..f284984 100644
--- a/gxml/XParser.vala
+++ b/gxml/XParser.vala
@@ -131,6 +131,14 @@ public class GXml.XParser : Object, GXml.Parser {
       break;
     case Xml.ReaderType.ELEMENT:
       bool isempty = (tr.is_empty_element () == 1);
+      if (node is DomElement) {
+        if (read_current
+            && tr.const_local_name ().down ()
+                != (node as DomElement).local_name.down ())
+          throw new DomError.VALIDATION_ERROR
+                    (_("Invalid element node name. Expected %s")
+                        .printf ((node as DomElement).local_name));
+      }
       if (node is DomDocument || !read_current) {
 #if DEBUG
         if (isempty) GLib.message ("Is Empty node:"+node.node_name);
diff --git a/test/GomSerializationTest.vala b/test/GomSerializationTest.vala
index d6cf18d..f6423a5 100644
--- a/test/GomSerializationTest.vala
+++ b/test/GomSerializationTest.vala
@@ -135,5 +135,13 @@ class GomSerializationTest : GXmlTest  {
       s = b.to_string ();
       assert ("<Book Name=\"My Book\"/>" in s);
     });
+    Test.add_func ("/gxml/gom-serialization/read/bad-node-name", () => {
+      var b = new Book ();
+      var parser = new XParser (b);
+      try {
+        parser.read_string ("<Chair name=\"Tall\"/>", null);
+        assert_not_reached ();
+      } catch {}
+    });
   }
 }