[gxml] GomArrayList: Added unit test

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit ed44ae7171939b7dbc06c6bc2522ce9f0ee2da89
Author: Daniel Espinosa <esodan gmail com>
Date:   Sun Nov 6 11:21:49 2016 -0600

    GomArrayList: Added unit test

 test/GomSerializationTest.vala |   25 +++++++++++++++++++++++--
 1 files changed, 23 insertions(+), 2 deletions(-)
---
diff --git a/test/GomSerializationTest.vala b/test/GomSerializationTest.vala
index 16853ee..238a1d7 100644
--- a/test/GomSerializationTest.vala
+++ b/test/GomSerializationTest.vala
@@ -29,6 +29,9 @@ class GomSerializationTest : GXmlTest  {
     construct {
       _local_name = "Book";
     }
+    public Book.document (DomDocument doc) {
+      _document = doc;
+    }
     public string to_string () {
       var parser = new XParser (this);
       return parser.write_string ();
@@ -72,6 +75,9 @@ class GomSerializationTest : GXmlTest  {
     construct {
       _local_name = "BookRegister";
     }
+    public BookRegister.document (DomDocument doc) {
+      _document = doc;
+    }
     public string to_string () {
       var parser = new XParser (this);
       return parser.write_string ();
@@ -144,16 +150,31 @@ class GomSerializationTest : GXmlTest  {
       var bs = new BookStand ();
       string s = bs.to_string ();
       assert (s != null);
-      assert ("<BookStand Classification=\"Science\"/>" in s);
       GLib.message ("DOC:"+s);
+      assert ("<BookStand Classification=\"Science\"/>" in s);
+      assert (bs.registers == null);
       var br = new BookRegister ();
       br.year = 2016;
-      assert (bs.registers == null);
       bs.registers = new GomArrayList.initialize (bs,br.local_name);
       s = bs.to_string ();
       assert (s != null);
+      GLib.message ("DOC:"+s);
       assert ("<BookStand Classification=\"Science\"/>" in s);
+      try { bs.registers.add (br); } catch {}
+      br = new BookRegister.document (bs.owner_document);
+      bs.registers.add (br);
+      s = bs.to_string ();
+      assert (s != null);
+      GLib.message ("DOC:"+s);
+      assert ("<BookStand Classification=\"Science\"><BookRegister Year=\"0\"/></BookStand>" in s);
+      var br2 = new BookRegister.document (bs.owner_document);
+      bs.registers.add (br2);
+      var br3 = new BookRegister.document (bs.owner_document);
+      bs.registers.add (br3);
+      s = bs.to_string ();
+      assert (s != null);
       GLib.message ("DOC:"+s);
+      assert ("<BookStand Classification=\"Science\"><BookRegister Year=\"0\"/><BookRegister 
Year=\"0\"/><BookRegister Year=\"0\"/></BookStand>" in s);
     });
     Test.add_func ("/gxml/gom-serialization/read/properties", () => {
       var b = new Book ();