[folks] Add test for RoleFieldDetails.

[Travis Reitter <treitter src gnome org>]

commit 544e02ff34ec5f40dc5dadabb2ebd16177bca67b
Author: Travis Reitter <travis reitter collabora co uk>
Date:   Wed Oct 19 15:30:40 2011 -0700

    Add test for RoleFieldDetails.
    
    Helps: bgo#662433 - AbstractFieldDetails.equal() is ambiguous about
    checking parameters.

 tests/folks/abstract-field-details.vala |   16 ++++++++++++++++
 1 files changed, 16 insertions(+), 0 deletions(-)
---
diff --git a/tests/folks/abstract-field-details.vala b/tests/folks/abstract-field-details.vala
index ed3cdd4..6d4ef72 100644
--- a/tests/folks/abstract-field-details.vala
+++ b/tests/folks/abstract-field-details.vala
@@ -30,6 +30,8 @@ public class EmailFieldDetailsTests : Folks.TestCase
       this.add_test ("parameter equality", this.test_params_equality);
       this.add_test ("ImFieldDetails equality",
           this.test_im_field_details_equality);
+      this.add_test ("RoleFieldDetails equality",
+          this.test_role_field_details_equality);
     }
 
   public override void set_up ()
@@ -165,6 +167,20 @@ public class EmailFieldDetailsTests : Folks.TestCase
       EmailFieldDetails details_c_1 = new EmailFieldDetails ("foo example org");
       assert (!details_a_1.equal (details_c_1));
     }
+
+  public void test_role_field_details_equality ()
+    {
+      RoleFieldDetails details_a_1 = new RoleFieldDetails (
+          new Role ("Captain", "Obvious Corp.", null));
+      RoleFieldDetails details_a_2 = new RoleFieldDetails (
+          new Role ("Captain", "Obvious Corp.", null));
+      RoleFieldDetails details_b_1 = new RoleFieldDetails (
+          new Role ("Flunkie", "Obvious Corp.", null));
+
+      /* Very-basic comparisons */
+      assert (details_a_1.equal (details_a_2));
+      assert (!details_a_1.equal (details_b_1));
+    }
 }
 
 public int main (string[] args)