[gxml: 3/8] Fixed xDocument.from_string() no root element

[Daniel Espinosa Ortiz <despinosa src gnome org>]

commit 1249e7fb2869d117db4357586ecb50b601f2e083
Author: Daniel Espinosa <esodan gmail com>
Date:   Tue Jan 12 10:16:31 2016 -0600

    Fixed xDocument.from_string() no root element

 configure.ac              |    4 ++--
 gxml/libxml-Document.vala |    2 ++
 test/DocumentTest.vala    |   11 +++++++++++
 3 files changed, 15 insertions(+), 2 deletions(-)
---
diff --git a/configure.ac b/configure.ac
index ac3443a..9c0fbb6 100644
--- a/configure.ac
+++ b/configure.ac
@@ -12,7 +12,7 @@
 # Release Version
 m4_define([project_major_version], [0])
 m4_define([project_minor_version], [8])
-m4_define([project_micro_version], [0])
+m4_define([project_micro_version], [1])
 m4_define([project_nano_version], [0])
 
 # LT_VERSION
@@ -22,7 +22,7 @@ m4_define([project_nano_version], [0])
 #   If public symbols have been added since last release, increment age
 #   If public symbols have been removed since last release, set age to 0
 m4_define([project_lt_current], [8])
-m4_define([project_lt_revision], [0])
+m4_define([project_lt_revision], [1])
 m4_define([project_lt_age], [0])
 
 # Combine numbers to various version variables (different uses)
diff --git a/gxml/libxml-Document.vala b/gxml/libxml-Document.vala
index a160599..dfe2790 100644
--- a/gxml/libxml-Document.vala
+++ b/gxml/libxml-Document.vala
@@ -475,6 +475,8 @@ namespace GXml {
                public xDocument.from_string (string xml) {
                        Xml.Doc *doc;
                        doc = Xml.Parser.parse_memory (xml, (int)xml.length);
+                       if (doc == null)
+                         doc = new Xml.Doc ();
                        this.from_libxml2 (doc);
                }
                /**
diff --git a/test/DocumentTest.vala b/test/DocumentTest.vala
index afb8391..4829fe1 100644
--- a/test/DocumentTest.vala
+++ b/test/DocumentTest.vala
@@ -143,6 +143,17 @@ class DocumentTest : GXmlTest {
                                assert (root.first_child.node_name == "Apple");
                                assert (root.last_child.node_name == "Orange");
                        });
+               Test.add_func ("/gxml/document/construct_from_string_no_root", () => {
+                               string xml;
+                               xDocument doc;
+                               GXml.xNode root;
+
+                               xml = """<?xml version="1.0"?>""";
+                               doc = new xDocument.from_string (xml);
+
+                               root = doc.document_element;
+                               assert (root == null);
+                       });
                Test.add_func ("/gxml/document/save", () => {
                                xDocument doc;
                                int exit_status;