remerge

35 files changed, 1298 insertions, 0 deletions

diff --git a/xsd/tests/schema/anonymous/test.xsd b/xsd/tests/schema/anonymous/test.xsd
new file mode 100644
index 0000000..cba3300
--- /dev/null
+++ b/xsd/tests/schema/anonymous/test.xsd
@@ -0,0 +1,143 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+ <!-- Test 'type' name escaping. -->
+ <xsd:element name="type">
+   <xsd:complexType>
+     <xsd:sequence>
+       <xsd:element name="name" type="xsd:string"/>
+     </xsd:sequence>
+   </xsd:complexType>
+ </xsd:element>
+
+
+
+ <!-- Anonymous type via global element. -->
+ <xsd:element name="global_element">
+   <xsd:complexType>
+     <xsd:sequence>
+       <xsd:element name="name" type="xsd:string"/>
+     </xsd:sequence>
+   </xsd:complexType>
+ </xsd:element>
+
+
+
+ <!-- Anonymous type via global attribute. -->
+ <xsd:attribute name="global_attribute">
+   <xsd:simpleType>
+     <xsd:restriction base="xsd:string"/>
+   </xsd:simpleType>
+ </xsd:attribute>
+
+
+
+ <!-- Anonymous type via local element. -->
+ <xsd:complexType name="local_element_type">
+   <xsd:sequence>
+     <xsd:element name="local_element">
+       <xsd:complexType>
+         <xsd:sequence>
+           <xsd:element name="name" type="xsd:string"/>
+         </xsd:sequence>
+       </xsd:complexType>
+     </xsd:element>
+   </xsd:sequence>
+ </xsd:complexType>
+
+
+
+ <!-- Anonymous type via local attribute. -->
+ <xsd:complexType name="local_attribute_type">
+   <xsd:attribute name="local_attribute">
+     <xsd:simpleType>
+       <xsd:restriction base="xsd:string"/>
+     </xsd:simpleType>
+   </xsd:attribute>
+ </xsd:complexType>
+
+<!--
+
+  Various weird anonymous type combinations (some of them are fruits of a
+  really sick imagination).
+
+-->
+
+  <xsd:element name="tasks">
+    <xsd:complexType>
+      <xsd:sequence>
+        <xsd:element ref="test:periodicTask"/>
+        <xsd:element ref="test:braindamageTask"/>
+      </xsd:sequence>
+    </xsd:complexType>
+  </xsd:element>
+
+  <xsd:element name="periodicTask">
+    <xsd:complexType>
+      <xsd:sequence>
+        <xsd:element ref="test:tasks"/>
+      </xsd:sequence>
+    </xsd:complexType>
+  </xsd:element>
+
+  <xsd:element name="braindamageTask">
+    <xsd:complexType>
+      <xsd:sequence>
+        <xsd:element ref="test:tasks"/>
+      </xsd:sequence>
+    </xsd:complexType>
+  </xsd:element>
+
+
+  <xsd:complexType name="PropertySeq">
+    <xsd:sequence>
+      <xsd:element name="propery">
+        <xsd:complexType>
+          <xsd:sequence>
+            <xsd:element name="name" type="xsd:string"/>
+            <xsd:element name="value">
+	      <xsd:complexType>
+	        <xsd:sequence>
+		  <xsd:element name="typecode">
+                    <xsd:simpleType>
+                      <xsd:restriction base="xsd:NCName">
+                        <xsd:enumeration value="string"/>
+                        <xsd:enumeration value="integer"/>
+                      </xsd:restriction>
+                    </xsd:simpleType>
+		  </xsd:element>
+	          <xsd:element name="content" type="xsd:string"/>
+		</xsd:sequence>
+              </xsd:complexType>
+	    </xsd:element>
+          </xsd:sequence>
+        </xsd:complexType>
+      </xsd:element>
+    </xsd:sequence>
+  </xsd:complexType>
+
+
+  <xsd:element name="periods">
+    <xsd:complexType>
+      <xsd:sequence>
+        <xsd:element name="period" type="xsd:string"/>
+      </xsd:sequence>
+    </xsd:complexType>
+  </xsd:element>
+
+
+  <xsd:element name="typecode">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:NCName">
+        <xsd:enumeration value="string"/>
+        <xsd:enumeration value="integer"/>
+      </xsd:restriction>
+    </xsd:simpleType>
+  </xsd:element>
+
+
+</xsd:schema>
diff --git a/xsd/tests/schema/any-attribute/test.xsd b/xsd/tests/schema/any-attribute/test.xsd
new file mode 100644
index 0000000..55419c4
--- /dev/null
+++ b/xsd/tests/schema/any-attribute/test.xsd
@@ -0,0 +1,22 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+
+  <xsd:complexType name="type">
+    <xsd:attribute name="a" type="xsd:string"/>
+    <xsd:anyAttribute namespace="##other" processContents="skip"/>
+    <xsd:attributeGroup ref="test:agroup"/>
+  </xsd:complexType>
+
+  <xsd:attributeGroup name="agroup">
+    <xsd:attribute name="b" type="xsd:string"/>
+    <xsd:anyAttribute namespace="##any" processContents="skip"/>
+  </xsd:attributeGroup>
+
+  <xsd:element name="root" type="test:type"/>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/any-type/test.xsd b/xsd/tests/schema/any-type/test.xsd
new file mode 100644
index 0000000..9e3ff79
--- /dev/null
+++ b/xsd/tests/schema/any-type/test.xsd
@@ -0,0 +1,22 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <xsd:complexType name="person">
+    <xsd:sequence>
+      <xsd:element name="name"/> <!-- type="anyType" -->
+      <xsd:element name="name2" type="xsd:anyType" minOccurs="0"/>
+      <xsd:element name="name3" type="xsd:anyType" maxOccurs="unbounded"/>
+    </xsd:sequence>
+    <xsd:attribute name="id"/> <!-- type="anySimpleType" -->
+    <xsd:attribute name="id2" type="xsd:anySimpleType" use="required"/>
+  </xsd:complexType>
+
+  <xsd:element name="person" type="test:person"/>
+
+  <xsd:element name="name"/> <!-- type="anyType" -->
+  
+</xsd:schema>
diff --git a/xsd/tests/schema/any/fail.xsd b/xsd/tests/schema/any/fail.xsd
new file mode 100644
index 0000000..2eb9513
--- /dev/null
+++ b/xsd/tests/schema/any/fail.xsd
@@ -0,0 +1,19 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <xsd:element name="foo" type="xsd:string"/>
+
+  <xsd:complexType name="person">
+    <xsd:sequence>
+      <xsd:element name="name" type="xsd:string"/>
+      <xsd:element ref="test:foo"/>
+      <xsd:any namespace="##any" processContents="strict"/>
+      <xsd:any namespace="http://www.codesynthesis.com/xmlns/test" processContents="strict"/>
+    </xsd:sequence>
+  </xsd:complexType>
+  
+</xsd:schema>
diff --git a/xsd/tests/schema/any/test.xsd b/xsd/tests/schema/any/test.xsd
new file mode 100644
index 0000000..ff896fd
--- /dev/null
+++ b/xsd/tests/schema/any/test.xsd
@@ -0,0 +1,19 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <xsd:complexType name="person">
+    <xsd:sequence>
+      <xsd:element name="name" type="xsd:string"/>
+      <xsd:any namespace="##other" processContents="strict" maxOccurs="unbounded"/>
+    </xsd:sequence>
+    <xsd:attribute name="id" type="xsd:ID"/> 
+    <xsd:anyAttribute namespace="##other" processContents="strict"/>
+  </xsd:complexType>
+
+  <xsd:element name="person" type="test:person"/>
+  
+</xsd:schema>
diff --git a/xsd/tests/schema/attribute-group/global.xsd b/xsd/tests/schema/attribute-group/global.xsd
new file mode 100644
index 0000000..6ee0539
--- /dev/null
+++ b/xsd/tests/schema/attribute-group/global.xsd
@@ -0,0 +1,50 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+            xmlns="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <!-- Simple case. -->
+  
+  <xsd:attributeGroup name="gfoo_1">
+    <xsd:attribute name="foo_1_1" type="xsd:string"/>
+    <xsd:attribute name="foo_1_2" type="xsd:string"/>
+  </xsd:attributeGroup>
+
+  <xsd:attributeGroup name="gfoo_2">
+    <xsd:attributeGroup ref="gfoo_1"/>
+    <xsd:attribute name="foo_2_1" type="xsd:string"/>
+    <xsd:attribute name="foo_2_2" type="xsd:string"/>
+  </xsd:attributeGroup>
+
+  <xsd:complexType name="Foo">
+    <xsd:attributeGroup ref="gfoo_2"/>
+  </xsd:complexType>
+
+
+
+  <!-- Forward reference. -->
+
+  <xsd:attributeGroup name="gbar_3">
+    <xsd:attribute name="bar_3_1" type="xsd:string"/>
+    <xsd:attribute name="bar_3_2" type="xsd:string"/>
+    <xsd:attributeGroup ref="gbar_1"/>
+  </xsd:attributeGroup>
+
+  <xsd:complexType name="Bar">
+    <xsd:attributeGroup ref="gbar_2"/>
+  </xsd:complexType>
+
+  <xsd:attributeGroup name="gbar_2">
+    <xsd:attributeGroup ref="gbar_3"/>
+    <xsd:attribute name="bar_2_1" type="xsd:string"/>
+    <xsd:attribute name="bar_2_2" type="xsd:string"/>
+  </xsd:attributeGroup>
+
+  <xsd:attributeGroup name="gbar_1">
+    <xsd:attribute name="bar_1_1" type="xsd:string"/>
+    <xsd:attribute name="bar_1_2" type="xsd:string"/>
+  </xsd:attributeGroup>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/attribute/global.xsd b/xsd/tests/schema/attribute/global.xsd
new file mode 100644
index 0000000..e2dcc93
--- /dev/null
+++ b/xsd/tests/schema/attribute/global.xsd
@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+            xmlns="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <!-- Typed with named type. -->
+
+  <xsd:attribute name="foo" type="xsd:string"/>
+
+
+  <!-- Typed with anonymous type. -->
+
+  <xsd:attribute name="bar">
+    <xsd:simpleType>
+      <xsd:restriction base="xsd:string"/>
+    </xsd:simpleType>
+  </xsd:attribute>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/attribute/local.xsd b/xsd/tests/schema/attribute/local.xsd
new file mode 100644
index 0000000..7a7a480
--- /dev/null
+++ b/xsd/tests/schema/attribute/local.xsd
@@ -0,0 +1,37 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+            xmlns="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+
+  <!-- Typed with named type. -->
+
+  <xsd:complexType name="Foo">
+    <xsd:attribute name="foo" type="xsd:string"/>
+  </xsd:complexType>
+
+
+  <!-- Forward reference to a yet undeclared type. -->
+
+  <xsd:complexType name="Bar">
+    <xsd:attribute name="bar" type="Bar2"/>
+  </xsd:complexType>
+
+  <xsd:simpleType name="Bar2">
+    <xsd:restriction base="xsd:string"/>
+  </xsd:simpleType>
+
+
+  <!-- Typed with anonymous type. -->
+
+  <xsd:complexType name="Baz">
+    <xsd:attribute name="baz">
+      <xsd:simpleType>
+        <xsd:restriction base="xsd:string"/>
+      </xsd:simpleType>
+    </xsd:attribute>
+  </xsd:complexType>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/attribute/ref.xsd b/xsd/tests/schema/attribute/ref.xsd
new file mode 100644
index 0000000..f6c3c10
--- /dev/null
+++ b/xsd/tests/schema/attribute/ref.xsd
@@ -0,0 +1,42 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+            xmlns="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+
+  <!-- Easy case. -->
+
+  <xsd:attribute name="foo" type="xsd:string"/>
+
+  <xsd:complexType name="Foo">
+    <xsd:attribute ref="foo"/>
+  </xsd:complexType>
+
+
+
+  <!-- Forward reference to a yet undeclared attribute. -->
+
+  <xsd:complexType name="Bar">
+    <xsd:attribute ref="bar"/>
+  </xsd:complexType>
+
+  <xsd:attribute name="bar" type="xsd:string"/>
+
+
+
+  <!-- Reference to an attribute with a forward reference to a yet
+       undeclared type. -->
+
+  <xsd:attribute name="baz" type="Baz2"/>
+
+  <xsd:complexType name="Baz">
+    <xsd:attribute ref="baz"/>
+  </xsd:complexType>
+
+  <xsd:simpleType name="Baz2">
+    <xsd:restriction base="xsd:string"/>
+  </xsd:simpleType>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/cardinality/test.xsd b/xsd/tests/schema/cardinality/test.xsd
new file mode 100644
index 0000000..b27f923
--- /dev/null
+++ b/xsd/tests/schema/cardinality/test.xsd
@@ -0,0 +1,46 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <!--
+    This test tries to cover various cardinality cases with
+    built-in and user-defined types.
+  -->
+
+  <xsd:complexType name="Foo">
+    <xsd:sequence>
+      <xsd:element name="foo" type="xsd:string"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:complexType name="Bar">
+    <xsd:sequence>
+
+      <xsd:element name="one-int" type="xsd:int"/>
+      <xsd:element name="opt-int" type="xsd:int" minOccurs="0"/>
+      <xsd:element name="seq-int" type="xsd:int" maxOccurs="unbounded"/>
+
+      <xsd:element name="one-string" type="xsd:string"/>
+      <xsd:element name="opt-string" type="xsd:string" minOccurs="0"/>
+      <xsd:element name="seq-string" type="xsd:string" maxOccurs="unbounded"/>
+
+      <xsd:element name="one-foo" type="test:Foo"/>
+      <xsd:element name="opt-foo" type="test:Foo" minOccurs="0"/>
+      <xsd:element name="seq-foo" type="test:Foo" maxOccurs="unbounded"/>
+
+    </xsd:sequence>
+
+    <xsd:attribute name="one-int-a" type="xsd:int" use="required"/>
+    <xsd:attribute name="opt-int-a" type="xsd:int"/>
+
+    <xsd:attribute name="one-string-a" type="xsd:string" use="required"/>
+    <xsd:attribute name="opt-string-a" type="xsd:string"/>
+
+  </xsd:complexType>
+
+  <xsd:element name="bar" type="test:Bar"/>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/chameleon/includer.xsd b/xsd/tests/schema/chameleon/includer.xsd
new file mode 100644
index 0000000..c93ea18
--- /dev/null
+++ b/xsd/tests/schema/chameleon/includer.xsd
@@ -0,0 +1,17 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:Test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <xsd:include schemaLocation="schemas/includee.xsd"/>
+
+  <xsd:simpleType name="derived">
+    <xsd:restriction base="Test:base"/>
+  </xsd:simpleType>
+
+  <xsd:element name="element" type="Test:base"/>
+  <xsd:attribute name="attribute" type="Test:base"/>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/chameleon/schemas/includee.xsd b/xsd/tests/schema/chameleon/schemas/includee.xsd
new file mode 100644
index 0000000..d89b9c4
--- /dev/null
+++ b/xsd/tests/schema/chameleon/schemas/includee.xsd
@@ -0,0 +1,12 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd">
+
+  <xsd:simpleType name="base">
+    <xsd:restriction base="xsd:string"/>
+  </xsd:simpleType>
+  
+  <xsd:element name="base_e" type="base"/>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/enumeration/test.xsd b/xsd/tests/schema/enumeration/test.xsd
new file mode 100644
index 0000000..b8253d9
--- /dev/null
+++ b/xsd/tests/schema/enumeration/test.xsd
@@ -0,0 +1,89 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <!-- string-based -->
+
+  <xsd:simpleType name="StringEnum">
+    <xsd:restriction base="xsd:string">
+      <xsd:enumeration value="one"/>
+      <xsd:enumeration value="two"/>
+      <xsd:enumeration value="three"/>
+    </xsd:restriction>
+  </xsd:simpleType>
+
+  <xsd:simpleType name="StringSimple">
+    <xsd:restriction base="xsd:string"/>
+  </xsd:simpleType>  
+
+  <!-- inheritance of a enum from a simple type -->
+  <xsd:simpleType name="StringSimpleRestriction">
+    <xsd:restriction base="test:StringSimple">
+      <xsd:enumeration value="one"/>
+      <xsd:enumeration value="two"/>
+    </xsd:restriction>
+  </xsd:simpleType>
+
+  <!-- inheritance of a enum from a strig-based enum -->
+  <xsd:simpleType name="StringEnumRestriction">
+    <xsd:restriction base="test:StringEnum">
+      <xsd:enumeration value="one"/>
+      <xsd:enumeration value="two"/>
+    </xsd:restriction>
+  </xsd:simpleType>
+
+  <!-- inheritance of a complex type from a string-based enum -->
+  <xsd:complexType name="StringComplex">
+    <xsd:simpleContent>
+      <xsd:extension base="test:StringEnumRestriction">
+        <xsd:attribute name="lang" type="xsd:language"/>
+      </xsd:extension>
+    </xsd:simpleContent>
+  </xsd:complexType>
+
+
+
+  <!-- non string-based -->
+
+  <xsd:simpleType name="IntEnum">
+    <xsd:restriction base="xsd:int">
+      <xsd:enumeration value="1"/>
+      <xsd:enumeration value="2"/>
+      <xsd:enumeration value="3"/>
+    </xsd:restriction>
+  </xsd:simpleType>
+
+  <xsd:simpleType name="IntSimple">
+    <xsd:restriction base="xsd:int"/>
+  </xsd:simpleType>  
+
+  <!-- inheritance of a enum from a simple type -->
+  <xsd:simpleType name="IntSimpleRestriction">
+    <xsd:restriction base="test:IntSimple">
+      <xsd:enumeration value="1"/>
+      <xsd:enumeration value="2"/>
+    </xsd:restriction>
+  </xsd:simpleType>
+
+  <!-- inheritance of a enum from a enum -->
+  <xsd:simpleType name="IntEnumRestriction">
+    <xsd:restriction base="test:IntEnum">
+      <xsd:enumeration value="1"/>
+      <xsd:enumeration value="2"/>
+    </xsd:restriction>
+  </xsd:simpleType>
+
+  <!-- inheritance of a complex type from a enum -->
+  <xsd:complexType name="IntComplex">
+    <xsd:simpleContent>
+      <xsd:extension base="test:IntEnumRestriction">
+        <xsd:attribute name="lang" type="xsd:language"/>
+      </xsd:extension>
+    </xsd:simpleContent>
+  </xsd:complexType>
+
+
+</xsd:schema>
diff --git a/xsd/tests/schema/forward/test.xsd b/xsd/tests/schema/forward/test.xsd
new file mode 100644
index 0000000..c7cc24e
--- /dev/null
+++ b/xsd/tests/schema/forward/test.xsd
@@ -0,0 +1,32 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+<!--
+
+  Various weird forward reference combinations.
+
+-->
+
+  <!-- case 1 -->  
+    
+  <xsd:complexType name="Type1A">
+    <xsd:complexContent>
+      <xsd:extension base="test:Type1B">
+        <xsd:sequence>
+          <xsd:element name="bar" type="xsd:string"/>
+        </xsd:sequence>
+      </xsd:extension>
+    </xsd:complexContent>  
+  </xsd:complexType>
+  
+  <xsd:complexType name="Type1B">
+    <xsd:sequence>
+      <xsd:element name="foo" type="xsd:string"/>
+    </xsd:sequence>
+  </xsd:complexType>
+ 
+</xsd:schema>
diff --git a/xsd/tests/schema/group/global.xsd b/xsd/tests/schema/group/global.xsd
new file mode 100644
index 0000000..27ccadf
--- /dev/null
+++ b/xsd/tests/schema/group/global.xsd
@@ -0,0 +1,39 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+            xmlns="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <!-- Simple case. -->
+
+  <xsd:group name="gfoo">
+    <xsd:sequence>
+      <xsd:element name="foo_1" type="xsd:string"/>
+      <xsd:element name="foo_2" type="xsd:string"/>
+    </xsd:sequence>
+  </xsd:group>
+
+
+  <xsd:complexType name="Foo">
+    <xsd:group ref="gfoo"/>
+  </xsd:complexType>
+
+
+
+  <!-- Forward reference. -->
+
+  <xsd:complexType name="Bar">    
+    <xsd:group ref="gbar"/>
+  </xsd:complexType>
+
+  <xsd:group name="gbar">
+    <xsd:choice>
+      <xsd:element name="bar_1" type="xsd:string"/>
+      <xsd:element ref="bar_2"/>
+    </xsd:choice>
+  </xsd:group>
+
+  <xsd:element name="bar_2" type="xsd:string"/>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/group/test.xsd b/xsd/tests/schema/group/test.xsd
new file mode 100644
index 0000000..7527cbb
--- /dev/null
+++ b/xsd/tests/schema/group/test.xsd
@@ -0,0 +1,148 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <!--
+
+    Various weird group combinations.
+
+  -->
+
+  <!-- case 1 -->
+
+  <xsd:group name="g1">
+    <xsd:sequence>
+      <xsd:element name="e1" type="xsd:string"/>
+      <xsd:element name="e2" type="xsd:long"/>
+    </xsd:sequence>
+  </xsd:group>
+
+  <xsd:complexType name="Type1">
+    <xsd:sequence>
+      <xsd:group ref="test:g1"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <!-- case 2 -->
+
+  <xsd:group name="g2">
+    <xsd:sequence>
+      <xsd:element ref="test:g2e1"/>
+    </xsd:sequence>
+  </xsd:group>
+
+  <xsd:complexType name="TypeTwo">
+    <xsd:sequence>
+      <xsd:group ref="test:g2"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:element name="g2e1" type="xsd:string"/>
+
+ <!-- case 3 -->
+
+  <xsd:complexType name="Type3">
+    <xsd:sequence>
+      <xsd:group ref="test:g3"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:group name="g3">
+    <xsd:sequence>
+      <xsd:element ref="test:g3e1"/>
+    </xsd:sequence>
+  </xsd:group>
+
+  <xsd:element name="g3e1" type="xsd:string"/>
+
+ <!-- case 4 -->
+
+  <xsd:complexType name="Type4A">
+    <xsd:sequence>
+      <xsd:group ref="test:g4" minOccurs="0"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:complexType name="Type4B">
+    <xsd:sequence minOccurs="0">
+      <xsd:group ref="test:g4"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+
+ <xsd:group name="g4">
+    <xsd:sequence>
+      <xsd:element name="e1" type="xsd:string"/>
+      <xsd:element name="e2" type="xsd:long" maxOccurs="unbounded"/>
+    </xsd:sequence>
+  </xsd:group>
+
+  <xsd:complexType name="Type4C">
+    <xsd:sequence>
+      <xsd:group ref="test:g4" minOccurs="0"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <!-- case 5 -->
+
+  <xsd:group name="g5-1">
+    <xsd:choice>
+      <xsd:group ref="test:g5-2"/>
+      <xsd:element name="e1" type="xsd:string"/>
+    </xsd:choice>
+  </xsd:group>
+
+  <xsd:group name="g5-2">
+    <xsd:choice>
+      <xsd:group ref="test:g5-3"/>
+      <xsd:element name="e2" type="xsd:string"/>
+    </xsd:choice>
+  </xsd:group>
+
+  <xsd:group name="g5-3">
+    <xsd:choice>
+      <xsd:element name="e3" type="xsd:long"/>
+    </xsd:choice>
+  </xsd:group>
+
+  <xsd:complexType name="Type5">
+    <xsd:choice>
+      <xsd:group ref="test:g5-1"/>
+    </xsd:choice>
+  </xsd:complexType>
+
+  <!-- case 6 -->
+
+  <xsd:group name="g6-3">
+    <xsd:choice>
+      <xsd:group ref="test:g6-1"/>
+      <xsd:element name="e_3_1" type="xsd:string"/>
+      <xsd:element name="e_3_2" type="xsd:string"/>
+    </xsd:choice>
+  </xsd:group>
+
+  <xsd:complexType name="Type6">
+    <xsd:choice>
+      <xsd:group ref="test:g6-2"/>
+    </xsd:choice>
+  </xsd:complexType>
+
+  <xsd:group name="g6-2">
+    <xsd:choice>
+      <xsd:group ref="test:g6-3"/>
+      <xsd:element name="e_2_1" type="xsd:string"/>
+      <xsd:element name="e_2_2" type="xsd:string"/>
+    </xsd:choice>
+  </xsd:group>
+
+  <xsd:group name="g6-1">
+    <xsd:choice>
+      <xsd:element name="e_1_1" type="xsd:string"/>
+      <xsd:element name="e_1_2" type="xsd:string"/>
+    </xsd:choice>
+  </xsd:group>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/import/importer.xsd b/xsd/tests/schema/import/importer.xsd
new file mode 100644
index 0000000..82fc33c
--- /dev/null
+++ b/xsd/tests/schema/import/importer.xsd
@@ -0,0 +1,20 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:Test="http://www.codesynthesis.com/xmlns/test"
+	    xmlns:Impl="http://www.codesynthesis.com/xmlns/test/impl"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test/impl">
+
+  <!-- <xsd::element name="foo" type="xsd:string"/> -->
+
+  <xsd:import namespace="http://www.codesynthesis.com/xmlns/test" schemaLocation="schemas/importee.xsd"/>
+
+  <xsd:simpleType name="derived">
+    <xsd:restriction base="Test:base"/>
+  </xsd:simpleType>
+
+  <xsd:element name="element" type="Test:base"/>
+  <xsd:attribute name="attribute" type="Test:base"/>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/import/schemas/importee.xsd b/xsd/tests/schema/import/schemas/importee.xsd
new file mode 100644
index 0000000..9b03315
--- /dev/null
+++ b/xsd/tests/schema/import/schemas/importee.xsd
@@ -0,0 +1,15 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+
+  <xsd:simpleType name="base">
+    <xsd:restriction base="xsd:string"/>
+  </xsd:simpleType>
+
+  <xsd:element name="base_e" type="test:base"/>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/include/includer.xsd b/xsd/tests/schema/include/includer.xsd
new file mode 100644
index 0000000..c93ea18
--- /dev/null
+++ b/xsd/tests/schema/include/includer.xsd
@@ -0,0 +1,17 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:Test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <xsd:include schemaLocation="schemas/includee.xsd"/>
+
+  <xsd:simpleType name="derived">
+    <xsd:restriction base="Test:base"/>
+  </xsd:simpleType>
+
+  <xsd:element name="element" type="Test:base"/>
+  <xsd:attribute name="attribute" type="Test:base"/>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/include/schemas/includee.xsd b/xsd/tests/schema/include/schemas/includee.xsd
new file mode 100644
index 0000000..0a928f5
--- /dev/null
+++ b/xsd/tests/schema/include/schemas/includee.xsd
@@ -0,0 +1,14 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <xsd:simpleType name="base">
+    <xsd:restriction base="xsd:string"/>
+  </xsd:simpleType>
+
+  <xsd:element name="base_e" type="test:base"/>
+  
+</xsd:schema>
diff --git a/xsd/tests/schema/inheritance/cycle.xsd b/xsd/tests/schema/inheritance/cycle.xsd
new file mode 100644
index 0000000..c705311
--- /dev/null
+++ b/xsd/tests/schema/inheritance/cycle.xsd
@@ -0,0 +1,34 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <xsd:complexType name="Base">
+    <xsd:sequence>
+      <xsd:element name="e1">
+        <xsd:complexType>
+          <xsd:complexContent>
+            <xsd:extension base="test:Derived">
+              <xsd:sequence>
+                <xsd:element name="e2" type="xsd:int"/>
+              </xsd:sequence>
+            </xsd:extension>
+          </xsd:complexContent>
+        </xsd:complexType>
+      </xsd:element>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:complexType name="Derived">
+    <xsd:complexContent>
+      <xsd:extension base="test:Base">
+        <xsd:sequence>
+          <xsd:element name="e3" type="xsd:int"/>
+        </xsd:sequence>
+      </xsd:extension>
+    </xsd:complexContent>
+  </xsd:complexType>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/inheritance/sourced-forward/includee.xsd b/xsd/tests/schema/inheritance/sourced-forward/includee.xsd
new file mode 100644
index 0000000..531027d
--- /dev/null
+++ b/xsd/tests/schema/inheritance/sourced-forward/includee.xsd
@@ -0,0 +1,10 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd">
+
+  <xsd:simpleType name="Derived">
+    <xsd:restriction base="Base"/>
+  </xsd:simpleType>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/inheritance/sourced-forward/includer.xsd b/xsd/tests/schema/inheritance/sourced-forward/includer.xsd
new file mode 100644
index 0000000..7d18efc
--- /dev/null
+++ b/xsd/tests/schema/inheritance/sourced-forward/includer.xsd
@@ -0,0 +1,14 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <xsd:include schemaLocation="includee.xsd"/>
+
+  <xsd:simpleType name="Base">
+    <xsd:restriction base="xsd:string"/>
+  </xsd:simpleType>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/list/anonymous/test.xsd b/xsd/tests/schema/list/anonymous/test.xsd
new file mode 100644
index 0000000..7db39ba
--- /dev/null
+++ b/xsd/tests/schema/list/anonymous/test.xsd
@@ -0,0 +1,16 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <xsd:simpleType name="IntList">
+    <xsd:list>
+      <xsd:simpleType>
+        <xsd:restriction base="xsd:int"/>
+      </xsd:simpleType>
+    </xsd:list>
+  </xsd:simpleType>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/list/any-simple-type/test.xsd b/xsd/tests/schema/list/any-simple-type/test.xsd
new file mode 100644
index 0000000..29fe95c
--- /dev/null
+++ b/xsd/tests/schema/list/any-simple-type/test.xsd
@@ -0,0 +1,12 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <xsd:simpleType name="any">
+    <xsd:list itemType="xsd:anySimpleType"/>
+  </xsd:simpleType>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/list/driver.cxx b/xsd/tests/schema/list/driver.cxx
new file mode 100644
index 0000000..7bd46e9
--- /dev/null
+++ b/xsd/tests/schema/list/driver.cxx
@@ -0,0 +1,13 @@
+#include "test.hxx"
+
+typedef xmlns::test::IntList<void, int> IntListImpl;
+typedef xmlns::test::IntList<void, void> IntListVoidImpl;
+typedef xmlns::test::IntComplex<void, int, char*> IntComplexImpl;
+
+int
+main ()
+{
+  IntListImpl int_list_impl;
+  IntListVoidImpl int_list_void_impl;
+  IntComplexImpl int_complex_impl;
+}
diff --git a/xsd/tests/schema/list/test.xsd b/xsd/tests/schema/list/test.xsd
new file mode 100644
index 0000000..e16a58d
--- /dev/null
+++ b/xsd/tests/schema/list/test.xsd
@@ -0,0 +1,72 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <xsd:simpleType name="IntList">
+    <xsd:list itemType="xsd:int"/>
+  </xsd:simpleType>
+
+  <!-- local element with anonymous list inside. -->
+
+  <xsd:complexType name="Foo">
+    <xsd:sequence>
+      <xsd:element name="string-list">
+        <xsd:simpleType>
+          <xsd:list itemType="xsd:string"/>
+        </xsd:simpleType>
+      </xsd:element>
+    </xsd:sequence>
+  </xsd:complexType>
+
+
+  <!-- global element with anonymous list inside. -->
+
+  <xsd:element name="string-list">
+    <xsd:simpleType>
+      <xsd:list itemType="xsd:string"/>
+    </xsd:simpleType>
+  </xsd:element>
+
+
+
+  <!-- global element and global list with conflicting names -->
+
+  <xsd:simpleType name="long-list">
+      <xsd:list itemType="xsd:long"/>
+  </xsd:simpleType>
+
+  <xsd:element name="long-list" type="test:long-list"/>
+
+
+  <!-- forward reference -->
+
+  <xsd:simpleType name="int-list">
+      <xsd:list itemType="test:int"/>
+  </xsd:simpleType>
+
+  <xsd:simpleType name="int">
+    <xsd:restriction base="xsd:int"/>
+  </xsd:simpleType>
+
+
+  <!-- inheritance from list -->
+
+  <xsd:complexType name="IntComplex">
+    <xsd:simpleContent>
+      <xsd:extension base="test:IntList">
+        <xsd:attribute name="foo" type="xsd:string"/>
+      </xsd:extension>
+    </xsd:simpleContent>
+  </xsd:complexType>
+
+  <xsd:complexType name="IntComplexEmpty">
+    <xsd:simpleContent>
+      <xsd:extension base="test:IntList">
+      </xsd:extension>
+    </xsd:simpleContent>
+  </xsd:complexType>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/no-namespace/test.xsd b/xsd/tests/schema/no-namespace/test.xsd
new file mode 100644
index 0000000..b426e8a
--- /dev/null
+++ b/xsd/tests/schema/no-namespace/test.xsd
@@ -0,0 +1,15 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd">
+  
+
+  <xsd:complexType name="Test">
+    <xsd:sequence>
+      <xsd:element name="name" type="xsd:string"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+  <xsd:element name="test" type="Test"/>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/recursive/test.xsd b/xsd/tests/schema/recursive/test.xsd
new file mode 100644
index 0000000..6efc7d2
--- /dev/null
+++ b/xsd/tests/schema/recursive/test.xsd
@@ -0,0 +1,43 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <xsd:element name="BooleanExpression">
+    <xsd:complexType>
+      <xsd:choice>
+        <xsd:element name="literal" type="xsd:boolean"/>
+        <xsd:element ref="test:AND"/>
+        <xsd:element ref="test:OR"/>
+	<xsd:element ref="test:XOR"/>
+      </xsd:choice>
+    </xsd:complexType>
+  </xsd:element>
+
+  <xsd:element name="AND">
+    <xsd:complexType>
+      <xsd:sequence>
+        <xsd:element ref="test:BooleanExpression" maxOccurs="2"/>
+      </xsd:sequence>
+    </xsd:complexType>
+  </xsd:element>
+
+  <xsd:element name="OR">
+    <xsd:complexType>
+      <xsd:sequence>
+        <xsd:element ref="test:BooleanExpression" maxOccurs="2"/>
+      </xsd:sequence>
+    </xsd:complexType>
+  </xsd:element>
+
+ <xsd:element name="XOR">
+    <xsd:complexType>
+      <xsd:sequence>
+        <xsd:element ref="test:BooleanExpression" maxOccurs="2"/>
+      </xsd:sequence>
+    </xsd:complexType>
+  </xsd:element>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/ref-type/idref.xsd b/xsd/tests/schema/ref-type/idref.xsd
new file mode 100644
index 0000000..49ebe40
--- /dev/null
+++ b/xsd/tests/schema/ref-type/idref.xsd
@@ -0,0 +1,42 @@
+<?xml version="1.0"?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xse="http://www.codesynthesis.com/xmlns/xml-schema-extension"
+            xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <!-- attribute -->
+  
+  <xsd:attribute name="attribute" type="xsd:IDREF" xse:refType="test:a-author"/>
+  
+  <xsd:complexType name="a-author">
+    <xsd:sequence>
+      <xsd:element name="name" type="xsd:string"/>
+    </xsd:sequence>
+    <xsd:attribute name="recommends" type="xsd:IDREF" xse:refType="test:a-author"/>
+  </xsd:complexType>
+
+ 
+  <!-- element -->
+
+  <xsd:element name="element" type="xsd:IDREF" xse:refType="test:e-author"/>
+
+  <xsd:complexType name="e-author">
+    <xsd:sequence>
+      <xsd:element name="recommends" type="xsd:IDREF" xse:refType="test:e-author"/>
+    </xsd:sequence>    
+  </xsd:complexType>
+  
+  <!-- base -->
+  
+  <xsd:simpleType name="author-ref">
+    <xsd:restriction base="xsd:IDREF" xse:refType="test:e-author"/>
+  </xsd:simpleType>
+
+
+  <!-- itemType -->
+  
+  <xsd:simpleType name="author-refs">
+    <xsd:list itemType="xsd:IDREF" xse:refType="test:e-author"/>
+  </xsd:simpleType>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/ref-type/idrefs.xsd b/xsd/tests/schema/ref-type/idrefs.xsd
new file mode 100644
index 0000000..b68ed03
--- /dev/null
+++ b/xsd/tests/schema/ref-type/idrefs.xsd
@@ -0,0 +1,43 @@
+<?xml version="1.0"?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xse="http://www.codesynthesis.com/xmlns/xml-schema-extension"
+            xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <!-- attribute -->
+  
+  <xsd:attribute name="attribute" type="xsd:IDREFS" xse:refType="test:a-author"/>
+  
+  <xsd:complexType name="a-author">
+    <xsd:sequence>
+      <xsd:element name="name" type="xsd:string"/>
+    </xsd:sequence>
+    <xsd:attribute name="recommends" type="xsd:IDREFS" xse:refType="test:a-author"/>
+  </xsd:complexType>
+
+ 
+  <!-- element -->
+
+  <xsd:element name="element" type="xsd:IDREFS" xse:refType="test:e-author"/>
+
+  <xsd:complexType name="e-author">
+    <xsd:sequence>
+      <xsd:element name="recommends" type="xsd:IDREFS" xse:refType="test:e-author"/>
+    </xsd:sequence>    
+  </xsd:complexType>
+  
+  <!-- base -->
+  
+  <xsd:simpleType name="author-refs">
+    <xsd:restriction base="xsd:IDREFS" xse:refType="test:e-author"/>
+  </xsd:simpleType>
+
+
+  <!-- itemType - illegal -->
+  <!-- 
+  <xsd:simpleType name="author-refss">
+    <xsd:list itemType="xsd:IDREFS" xse:refType="test:e-author"/>
+  </xsd:simpleType>
+  -->
+
+</xsd:schema>
diff --git a/xsd/tests/schema/ref-type/invalid-0.xsd b/xsd/tests/schema/ref-type/invalid-0.xsd
new file mode 100644
index 0000000..7ce82ed
--- /dev/null
+++ b/xsd/tests/schema/ref-type/invalid-0.xsd
@@ -0,0 +1,17 @@
+<?xml version="1.0"?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xse="http://www.codesynthesis.com/xmlns/xml-schema-extension"
+            xmlns:test="http://www.codesynthesis.com/xmlns/test"
+	    xmlns:phony="http://www.codesynthesis.com/xmlns/phony"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <!-- unresolvable namespace prefix -->
+  
+  <xsd:attribute name="attribute1" type="xsd:IDREF" xse:refType="author"/>
+  <xsd:attribute name="attribute2" type="xsd:IDREF" xse:refType="t:author"/>
+
+  <!-- unresolvable namespace -->
+  
+  <xsd:attribute name="attribute3" type="xsd:IDREF" xse:refType="phony:author"/>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/ref-type/invalid-1.xsd b/xsd/tests/schema/ref-type/invalid-1.xsd
new file mode 100644
index 0000000..d989065
--- /dev/null
+++ b/xsd/tests/schema/ref-type/invalid-1.xsd
@@ -0,0 +1,11 @@
+<?xml version="1.0"?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xse="http://www.codesynthesis.com/xmlns/xml-schema-extension"
+            xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <!-- unresolvable type -->
+  
+  <xsd:attribute name="attribute" type="xsd:IDREF" xse:refType="test:author"/>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/restriction/test.xsd b/xsd/tests/schema/restriction/test.xsd
new file mode 100644
index 0000000..331ba78
--- /dev/null
+++ b/xsd/tests/schema/restriction/test.xsd
@@ -0,0 +1,67 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <!-- Simple content. -->
+
+  <xsd:complexType name="SimpleBase">
+    <xsd:simpleContent>
+      <xsd:extension base="xsd:string">
+        <xsd:attribute name="lang" type="xsd:language"/>
+        <xsd:attribute name="note" type="xsd:string"/>
+      </xsd:extension>
+    </xsd:simpleContent>
+  </xsd:complexType>
+
+  <xsd:complexType name="SimpleType">
+    <xsd:simpleContent>
+      <xsd:restriction base="test:SimpleBase">
+        <xsd:maxLength value="255"/>
+        <xsd:attribute name="lang">
+          <xsd:simpleType>
+            <xsd:restriction base="xsd:language">
+	      <xsd:enumeration value="en"/>
+              <xsd:enumeration value="es"/>
+            </xsd:restriction>
+          </xsd:simpleType>
+        </xsd:attribute>
+      </xsd:restriction>
+    </xsd:simpleContent>
+  </xsd:complexType>
+
+  <!-- Complex content. -->
+
+  <xsd:complexType name="ComplexBase">
+    <xsd:sequence>
+      <xsd:element name="lang" type="xsd:language"/>
+      <xsd:element name="note" type="xsd:string" minOccurs="0"/>
+    </xsd:sequence>
+  </xsd:complexType>
+
+
+  <xsd:complexType name="ComplexType">
+    <xsd:complexContent>
+      <xsd:restriction base="test:ComplexBase">
+        <xsd:sequence>
+          <xsd:element name="lang" type="xsd:language"/>
+          <xsd:element name="note" type="xsd:string"/>
+        </xsd:sequence>
+      </xsd:restriction>
+    </xsd:complexContent>
+  </xsd:complexType>
+
+  <xsd:complexType name="AnyType">
+    <xsd:complexContent>
+      <xsd:restriction base="xsd:anyType">
+        <xsd:sequence>
+          <xsd:element name="lang" type="xsd:language"/>
+          <xsd:element name="note" type="xsd:string"/>
+        </xsd:sequence>
+      </xsd:restriction>
+    </xsd:complexContent>
+  </xsd:complexType>
+
+</xsd:schema>
diff --git a/xsd/tests/schema/union/test.xsd b/xsd/tests/schema/union/test.xsd
new file mode 100644
index 0000000..706f6f2
--- /dev/null
+++ b/xsd/tests/schema/union/test.xsd
@@ -0,0 +1,65 @@
+<?xml version="1.0" ?>
+<xsd:schema xmlns:xsd="http://www.w3.org/2001/XMLSchema"
+            xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+            xsi:schemaLocation="http://www.w3.org/2001/XMLSchema XMLSchema.xsd"
+	    xmlns:test="http://www.codesynthesis.com/xmlns/test"
+            targetNamespace="http://www.codesynthesis.com/xmlns/test">
+
+  <xsd:simpleType name="IntUnion">
+    <xsd:union memberTypes="xsd:int xsd:string"/>
+  </xsd:simpleType>
+
+  <!-- local element with anonymous union inside. -->
+
+  <xsd:complexType name="Foo">
+    <xsd:sequence>
+      <xsd:element name="string-union">
+        <xsd:simpleType>
+	  <xsd:union memberTypes="xsd:int xsd:string"/>
+        </xsd:simpleType>
+      </xsd:element>
+    </xsd:sequence>
+  </xsd:complexType>
+
+
+  <!-- global element with anonymous union inside. -->
+
+  <xsd:element name="string-union">
+    <xsd:simpleType>
+      <xsd:union memberTypes="xsd:int xsd:string"/>
+    </xsd:simpleType>
+  </xsd:element>
+
+
+
+  <!-- global element and global union with conflicting names -->
+
+  <xsd:simpleType name="long-union">
+    <xsd:union memberTypes="xsd:long xsd:string"/>
+  </xsd:simpleType>
+
+  <xsd:element name="long-union" type="test:long-union"/>
+
+
+  <!-- forward reference -->
+
+  <xsd:simpleType name="int-union">
+    <xsd:union memberTypes="test:int xsd:string"/>
+  </xsd:simpleType>
+
+  <xsd:simpleType name="int">
+    <xsd:restriction base="xsd:int"/>
+  </xsd:simpleType>
+
+
+  <!-- inheritance from union -->
+
+  <xsd:complexType name="IntComplex">
+    <xsd:simpleContent>
+      <xsd:extension base="test:IntUnion">
+        <xsd:attribute name="foo" type="xsd:string"/>
+      </xsd:extension>
+    </xsd:simpleContent>
+  </xsd:complexType>
+
+</xsd:schema>