[gxml] Added Tests for GDocument

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit c5827a91ef1f323ea505e6c99d2c3a21ccc726e2
Author: Daniel Espinosa <esodan gmail com>
Date:   Thu Jan 28 19:59:04 2016 -0600

    Added Tests for GDocument

 gxml/GXmlDocument.vala |    5 +++++
 test/GXmlTest.vala     |    1 +
 test/Makefile.am       |    1 +
 3 files changed, 7 insertions(+), 0 deletions(-)
---
diff --git a/gxml/GXmlDocument.vala b/gxml/GXmlDocument.vala
index 239d38e..62c0892 100644
--- a/gxml/GXmlDocument.vala
+++ b/gxml/GXmlDocument.vala
@@ -58,6 +58,11 @@ public class GXml.GDocument : GXml.GNode, GXml.Document
     if (doc == null)
       doc = new Xml.Doc ();
   }
+  public GDocument.from_stream (GLib.InputStream istream) {
+    var b = new MemoryOutputStream.resizable ();
+    b.splice (istream, 0);
+    this.from_string ((string) b.data);
+  }
   public GDocument.from_doc (Xml.Doc doc) { this.doc = doc; }
   // GXml.Node
   public override bool set_namespace (string uri, string? prefix)
diff --git a/test/GXmlTest.vala b/test/GXmlTest.vala
index df46144..fe1aa52 100644
--- a/test/GXmlTest.vala
+++ b/test/GXmlTest.vala
@@ -82,6 +82,7 @@ class GXmlTest {
                SerializablePropertyIntTest.add_tests ();
                SerializablePropertyValueListTest.add_tests ();
                SerializablePropertyEnumTest.add_tests ();
+               GDocumentTest.add_tests ();
 
                Test.run ();
 
diff --git a/test/Makefile.am b/test/Makefile.am
index c9ffb37..b82343e 100644
--- a/test/Makefile.am
+++ b/test/Makefile.am
@@ -60,6 +60,7 @@ sources = \
        TwCDATATest.vala \
        TwCommentTest.vala \
        TwProcessingInstructionTest.vala \
+       GDocumentTest.vala \
        $(NULL)
 
 gxml_test.vala.stamp: $(sources)