[gxml] Added MappeableElementPairKey test case

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 5060232e760756a077b6d6907c8fdb49957df4cf
Author: Daniel Espinosa <esodan gmail com>
Date:   Tue Feb 21 11:21:56 2017 -0600

    Added MappeableElementPairKey test case

 test/GomSerializationTest.vala |   48 +++++++++++++++++++++++++++++++++++++++-
 1 files changed, 47 insertions(+), 1 deletions(-)
---
diff --git a/test/GomSerializationTest.vala b/test/GomSerializationTest.vala
index 5e12e60..d802017 100644
--- a/test/GomSerializationTest.vala
+++ b/test/GomSerializationTest.vala
@@ -210,7 +210,7 @@ class GomSerializationTest : GXmlTest  {
       FEBRUARY
     }
   }
-  public class BookRegister : GomElement, MappeableElement {
+  public class BookRegister : GomElement, MappeableElement, MappeableElementPairKey {
     private Book _book = null;
     [Description (nick="::Year")]
     public int year { get; set; }
@@ -235,8 +235,14 @@ class GomSerializationTest : GXmlTest  {
       _document = doc;
     }
     public string get_map_key () {
+      if (book == null) return "";
       return "%d".printf (year)+"-"+book.name;
     }
+    public string get_map_primary_key () { return "%d".printf (year); }
+    public string get_map_secondary_key () {
+      if (book == null) return "";
+      return book.name;
+    }
     public Book create_book (string name) {
       return Object.new (typeof (Book),
                         "owner-document", this.owner_document,
@@ -257,6 +263,7 @@ class GomSerializationTest : GXmlTest  {
   }
   public class BookStand : GomElement {
     HashRegisters _hashmap_registers = null;
+    HashPairRegisters _hashpair_registers = null;
     [Description (nick="::Classification")]
     public string classification { get; set; default = "Science"; }
     public Dimension dimension_x { get; set; }
@@ -276,6 +283,17 @@ class GomSerializationTest : GXmlTest  {
         _hashmap_registers = value;
       }
     }
+    public HashPairRegisters hashpair_registers {
+      get {
+        if (_hashpair_registers == null)
+          _hashpair_registers = Object.new (typeof (HashPairRegisters),"element",this)
+                              as HashPairRegisters;
+        return _hashpair_registers;
+      }
+      set {
+        _hashpair_registers = value;
+      }
+    }
     public Books books { get; set; }
     construct {
       try { initialize ("BookStand"); } catch { assert_not_reached (); }
@@ -329,6 +347,12 @@ class GomSerializationTest : GXmlTest  {
       catch { assert_not_reached (); }
     }
   }
+  public class HashPairRegisters : GomHashPairedMap {
+    construct {
+      try { initialize (typeof (BookRegister)); }
+      catch { assert_not_reached (); }
+    }
+  }
   public class Books : GomHashMap {
     construct {
       try { initialize_with_key (typeof (Book), "Name"); }
@@ -726,6 +750,28 @@ class GomSerializationTest : GXmlTest  {
       assert_not_reached ();
     }
     });
+    Test.add_func ("/gxml/gom-serialization/write/mappeablepairedkey", () => {
+    try {
+      var bs = new BookStand ();
+      assert (bs.hashpair_registers != null);
+      var br = bs.hashpair_registers.create_item () as BookRegister;
+      var book = br.create_book ("Book1");
+      assert (book.name == "Book1");
+      br.book = book;
+      br.year = 2017;
+      assert (bs.hashpair_registers.length == 0);
+      bs.hashpair_registers.append (br);
+      assert (bs.hashpair_registers.length == 1);
+      var b1 = bs.hashpair_registers.get ("2017","Book1") as BookRegister;
+      assert (b1 != null);
+      assert (b1.year == 2017);
+      assert (b1.book != null);
+      assert (b1.book.name == "Book1");
+    } catch (GLib.Error e) {
+      GLib.message ("Error: "+e.message);
+      assert_not_reached ();
+    }
+    });
     Test.add_func ("/gxml/gom-serialization/write/gom-property", () => {
     try {
       var m = new Motor ();