From fcbf63e62c627deae76c1b8cb8c0876c536ed811 Mon Sep 17 00:00:00 2001
From: Jari Vetoniemi <jari.vetoniemi@indooratlas.com>
Date: Mon, 16 Mar 2020 18:49:26 +0900
Subject: Fresh start

---
 jni/ruby/test/rexml/test_validation_rng.rb | 792 +++++++++++++++++++++++++++++
 1 file changed, 792 insertions(+)
 create mode 100644 jni/ruby/test/rexml/test_validation_rng.rb

(limited to 'jni/ruby/test/rexml/test_validation_rng.rb')

diff --git a/jni/ruby/test/rexml/test_validation_rng.rb b/jni/ruby/test/rexml/test_validation_rng.rb
new file mode 100644
index 0000000..8989fe2
--- /dev/null
+++ b/jni/ruby/test/rexml/test_validation_rng.rb
@@ -0,0 +1,792 @@
+require "test/unit/testcase"
+
+require "rexml/document"
+require "rexml/validation/relaxng"
+
+module REXMLTests
+  class RNGValidation < Test::Unit::TestCase
+    include REXML
+
+    def test_validate
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <element name="B">
+    <element name="C">
+      <attribute name="X"/>
+      <zeroOrMore>
+        <element name="E">
+          <empty/>
+        </element>
+      </zeroOrMore>
+    </element>
+    <element name="D">
+      <empty/>
+    </element>
+  </element>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      no_error( validator, %q{<A><B><C X="x"><E/><E/></C><D/></B></A>} )
+      error( validator, %q{<A><B><D/><C X="x"/></B></A>} )
+    end
+
+
+    def test_sequence
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <element name="B">
+    <element name="C">
+      <empty/>
+    </element>
+    <element name="D">
+      <empty/>
+    </element>
+  </element>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B><C/><C/><D/></B></A>} )
+      error( validator, %q{<A><B><D/><C/></B></A>} )
+      error( validator, %q{<A><C/><D/></A>} )
+      no_error( validator, %q{<A><B><C/><D/></B></A>} )
+    end
+
+
+    def test_choice
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <element name="B">
+    <choice>
+      <element name="C">
+        <empty/>
+      </element>
+      <element name="D">
+        <empty/>
+      </element>
+    </choice>
+  </element>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B><C/><D/></B></A>} )
+      no_error( validator, %q{<A><B><D/></B></A>} )
+      no_error( validator, %q{<A><B><C/></B></A>} )
+    end
+
+    def test_optional
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <element name="B">
+    <optional>
+      <element name="C">
+        <empty/>
+      </element>
+    </optional>
+  </element>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      no_error( validator, %q{<A><B/></A>} )
+      no_error( validator, %q{<A><B><C/></B></A>} )
+      error( validator, %q{<A><B><D/></B></A>} )
+      error( validator, %q{<A><B><C/><C/></B></A>} )
+    end
+
+    def test_zero_or_more
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <element name="B">
+    <zeroOrMore>
+      <element name="C">
+        <empty/>
+      </element>
+    </zeroOrMore>
+  </element>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+      no_error( validator, %q{<A><B/></A>} )
+      no_error( validator, %q{<A><B><C/></B></A>} )
+      no_error( validator, %q{<A><B><C/><C/><C/></B></A>} )
+      error( validator, %q{<A><B><D/></B></A>} )
+      error( validator, %q{<A></A>} )
+
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <element name="B">
+    <zeroOrMore>
+      <element name="C">
+        <empty/>
+      </element>
+      <element name="D">
+        <empty/>
+      </element>
+    </zeroOrMore>
+  </element>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      no_error( validator, %q{<A><B/></A>} )
+      no_error( validator, %q{<A><B><C/><D/></B></A>} )
+      no_error( validator, %q{<A><B><C/><D/><C/><D/></B></A>} )
+      error( validator, %q{<A><B><D/></B></A>} )
+    end
+
+    def test_one_or_more
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <element name="B">
+    <oneOrMore>
+      <element name="C">
+        <empty/>
+      </element>
+    </oneOrMore>
+  </element>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B/></A>} )
+      no_error( validator, %q{<A><B><C/></B></A>} )
+      no_error( validator, %q{<A><B><C/><C/><C/></B></A>} )
+      error( validator, %q{<A><B><D/></B></A>} )
+      error( validator, %q{<A></A>} )
+    end
+
+    def test_attribute
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <attribute name="X"/>
+  <attribute name="Y"/>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B/></A>} )
+      error( validator, %q{<A/>} )
+      error( validator, %q{<A X=""/>} )
+      no_error( validator, %q{<A X="1" Y="1"/>} )
+    end
+
+    def test_choice_attributes
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <choice>
+    <attribute name="X"/>
+    <attribute name="Y"/>
+  </choice>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A X="1" Y="1"/>} )
+      error( validator, %q{<A/>} )
+      no_error( validator, %q{<A X="1"/>})
+      no_error( validator, %q{<A Y="1"/>} )
+    end
+
+    def test_choice_attribute_element
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <choice>
+    <attribute name="X"/>
+    <element name="B"/>
+  </choice>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A X="1"><B/></A>} )
+      error( validator, %q{<A/>} )
+      no_error( validator, %q{<A X="1"/>})
+      no_error( validator, %q{<A><B/></A>} )
+    end
+
+    def test_empty
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <empty/>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B/></A>} )
+      error( validator, %q{<A>Text</A>} )
+      no_error( validator, %q{<A/>})
+    end
+
+    def test_text_val
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <text/>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B/></A>} )
+      no_error( validator, %q{<A>Text</A>} )
+      error( validator, %q{<A/>})
+    end
+
+    def test_choice_text
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <choice>
+    <element name="B"/>
+    <text/>
+  </choice>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B/>Text</A>} )
+      error( validator, %q{<A>Text<B/></A>} )
+      no_error( validator, %q{<A>Text</A>} )
+      no_error( validator, %q{<A><B/></A>} )
+    end
+
+    def test_group
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <choice>
+    <element name="B"/>
+    <group>
+      <element name="C"/>
+      <element name="D"/>
+    </group>
+  </choice>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B/><C/></A>} )
+      error( validator, %q{<A><C/></A>} )
+      no_error( validator, %q{<A><B/></A>} )
+      no_error( validator, %q{<A><C/><D/></A>} )
+
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <element name="B"/>
+  <group>
+    <element name="C"/>
+    <element name="D"/>
+  </group>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B/><C/></A>} )
+      error( validator, %q{<A><B/><D/></A>} )
+      error( validator, %q{<A><B/></A>} )
+      no_error( validator, %q{<A><B/><C/><D/></A>} )
+    end
+
+    def test_value
+      # Values as text nodes
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <element name="B">
+    <value>VaLuE</value>
+  </element>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B>X</B></A>} )
+      error( validator, %q{<A><B/></A>} )
+      no_error( validator, %q{<A><B>VaLuE</B></A>} )
+
+      # Values as text nodes, via choice
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <element name="B">
+    <choice>
+      <value>Option 1</value>
+      <value>Option 2</value>
+    </choice>
+  </element>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B/></A>} )
+      error( validator, %q{<A><B>XYZ</B></A>} )
+      no_error( validator, %q{<A><B>Option 1</B></A>} )
+      no_error( validator, %q{<A><B>Option 2</B></A>} )
+
+      # Attribute values
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <attribute name="B">
+    <value>VaLuE</value>
+  </attribute>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A/>} )
+      error( validator, %q{<A B=""/>} )
+      error( validator, %q{<A B="Lala"/>} )
+      no_error( validator, %q{<A B="VaLuE"/>} )
+
+      # Attribute values via choice
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <attribute name="B">
+    <choice>
+      <value>Option 1</value>
+      <value>Option 2</value>
+    </choice>
+  </attribute>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A B=""/>} )
+      error( validator, %q{<A B="Value"/>} )
+      no_error( validator, %q{<A B="Option 1"></A>} )
+      no_error( validator, %q{<A B="Option 2"/>} )
+    end
+
+    def test_interleave
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <element name="B">
+    <interleave>
+      <element name="C"/>
+      <element name="D"/>
+      <element name="E"/>
+    </interleave>
+  </element>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B><C/></B></A>} )
+      error( validator, %q{<A><B><C/><D/><C/></B></A>} )
+      no_error( validator, %q{<A><B><C/><D/><E/></B></A>} )
+      no_error( validator, %q{<A><B><E/><D/><C/></B></A>} )
+      no_error( validator, %q{<A><B><D/><C/><E/></B></A>} )
+      no_error( validator, %q{<A><B><E/><C/><D/></B></A>} )
+      error( validator, %q{<A><B><E/><C/><D/><C/></B></A>} )
+    end
+
+    def test_mixed
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<element name="A" xmlns="http://relaxng.org/ns/structure/1.0">
+  <element name="B">
+    <mixed>
+      <element name="D"/>
+    </mixed>
+  </element>
+</element>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      no_error( validator, %q{<A><B>Text<D/></B></A>} )
+      no_error( validator, %q{<A><B><D/>Text</B></A>} )
+    end
+
+    def test_ref_sequence
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<grammar xmlns="http://relaxng.org/ns/structure/1.0">
+  <start>
+    <element name="A">
+      <ref name="B"/>
+      <ref name="B"/>
+    </element>
+  </start>
+
+  <define name="B">
+    <element name="B">
+      <attribute name="X"/>
+    </element>
+  </define>
+</grammar>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      no_error( validator, %q{<A><B X=''/><B X=''/></A>} )
+      error( validator, %q{<A><B X=''/></A>} )
+    end
+
+    def test_ref_choice
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<grammar xmlns="http://relaxng.org/ns/structure/1.0">
+  <start>
+    <element name="A">
+      <choice>
+        <ref name="B"/>
+      </choice>
+    </element>
+  </start>
+
+  <define name="B">
+    <element name="B"/>
+    <element name="C"/>
+  </define>
+</grammar>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><D/></A>} )
+      error( validator, %q{<A><B/><C/></A>} )
+      no_error( validator, %q{<A><B/></A>} )
+      no_error( validator, %q{<A><C/></A>} )
+
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<grammar xmlns="http://relaxng.org/ns/structure/1.0">
+  <start>
+    <element name="A">
+      <ref name="B"/>
+    </element>
+  </start>
+
+  <define name="B">
+    <choice>
+      <element name="B"/>
+      <element name="C"/>
+    </choice>
+  </define>
+</grammar>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><D/></A>} )
+      error( validator, %q{<A><B/><C/></A>} )
+      no_error( validator, %q{<A><B/></A>} )
+      no_error( validator, %q{<A><C/></A>} )
+
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<grammar xmlns="http://relaxng.org/ns/structure/1.0">
+  <start>
+    <element name="A">
+      <choice>
+        <ref name="B"/>
+        <element name="D"/>
+      </choice>
+    </element>
+  </start>
+
+  <define name="B">
+    <element name="B"/>
+    <element name="C"/>
+  </define>
+</grammar>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B/><C/></A>} )
+      no_error( validator, %q{<A><B/></A>} )
+      no_error( validator, %q{<A><C/></A>} )
+      no_error( validator, %q{<A><D/></A>} )
+    end
+
+
+    def test_ref_zero_plus
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<grammar xmlns="http://relaxng.org/ns/structure/1.0">
+  <start>
+    <element name="A">
+      <zeroOrMore>
+        <ref name="B"/>
+      </zeroOrMore>
+    </element>
+  </start>
+
+  <define name="B">
+    <element name="B">
+      <attribute name="X"/>
+    </element>
+  </define>
+</grammar>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B/></A>} )
+      no_error( validator, %q{<A/>} )
+      no_error( validator, %q{<A><B X=''/></A>} )
+      no_error( validator, %q{<A><B X=''/><B X=''/><B X=''/></A>} )
+
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<grammar xmlns="http://relaxng.org/ns/structure/1.0">
+  <start>
+    <element name="A">
+      <ref name="B"/>
+    </element>
+  </start>
+
+  <define name="B">
+    <zeroOrMore>
+      <element name="B">
+        <attribute name="X"/>
+      </element>
+    </zeroOrMore>
+  </define>
+</grammar>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B/></A>} )
+      no_error( validator, %q{<A/>} )
+      no_error( validator, %q{<A><B X=''/></A>} )
+      no_error( validator, %q{<A><B X=''/><B X=''/><B X=''/></A>} )
+    end
+
+
+    def test_ref_one_plus
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<grammar xmlns="http://relaxng.org/ns/structure/1.0">
+  <start>
+    <element name="A">
+      <oneOrMore>
+        <ref name="B"/>
+      </oneOrMore>
+    </element>
+  </start>
+
+  <define name="B">
+    <element name="B">
+      <attribute name="X"/>
+    </element>
+  </define>
+</grammar>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B/></A>} )
+      error( validator, %q{<A/>} )
+      no_error( validator, %q{<A><B X=''/></A>} )
+      no_error( validator, %q{<A><B X=''/><B X=''/><B X=''/></A>} )
+
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<grammar xmlns="http://relaxng.org/ns/structure/1.0">
+  <start>
+    <element name="A">
+      <ref name="B"/>
+    </element>
+  </start>
+
+  <define name="B">
+    <oneOrMore>
+      <element name="B">
+        <attribute name="X"/>
+      </element>
+    </oneOrMore>
+  </define>
+</grammar>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B/></A>} )
+      error( validator, %q{<A/>} )
+      no_error( validator, %q{<A><B X=''/></A>} )
+      no_error( validator, %q{<A><B X=''/><B X=''/><B X=''/></A>} )
+    end
+
+    def test_ref_interleave
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<grammar xmlns="http://relaxng.org/ns/structure/1.0">
+  <start>
+    <element name="A">
+      <interleave>
+        <ref name="B"/>
+      </interleave>
+    </element>
+  </start>
+
+  <define name="B">
+    <element name="B"/>
+    <element name="C"/>
+  </define>
+</grammar>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B/></A>} )
+      error( validator, %q{<A><C/></A>} )
+      error( validator, %q{<A><C/><C/></A>} )
+      no_error( validator, %q{<A><B/><C/></A>} )
+      no_error( validator, %q{<A><C/><B/></A>} )
+
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<grammar xmlns="http://relaxng.org/ns/structure/1.0">
+  <start>
+    <element name="A">
+      <ref name="B"/>
+    </element>
+  </start>
+
+  <define name="B">
+    <interleave>
+      <element name="B"/>
+      <element name="C"/>
+    </interleave>
+  </define>
+</grammar>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B/></A>} )
+      error( validator, %q{<A><C/></A>} )
+      error( validator, %q{<A><C/><C/></A>} )
+      no_error( validator, %q{<A><B/><C/></A>} )
+      no_error( validator, %q{<A><C/><B/></A>} )
+
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<grammar xmlns="http://relaxng.org/ns/structure/1.0">
+  <start>
+    <element name="A">
+      <interleave>
+        <ref name="B"/>
+        <ref name="C"/>
+      </interleave>
+    </element>
+  </start>
+
+  <define name="B">
+    <element name="B"/>
+  </define>
+  <define name="C">
+    <element name="C"/>
+  </define>
+</grammar>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A><B/></A>} )
+      error( validator, %q{<A><C/></A>} )
+      error( validator, %q{<A><C/><C/></A>} )
+      no_error( validator, %q{<A><B/><C/></A>} )
+      no_error( validator, %q{<A><C/><B/></A>} )
+    end
+
+    def test_ref_recurse
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<grammar xmlns="http://relaxng.org/ns/structure/1.0">
+  <start>
+    <element name="A">
+      <ref name="B"/>
+    </element>
+  </start>
+
+  <define name="B">
+    <element name="B">
+      <optional>
+        <ref name="B"/>
+      </optional>
+    </element>
+  </define>
+</grammar>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      error( validator, %q{<A></A>} )
+      no_error( validator, %q{<A><B/></A>} )
+      no_error( validator, %q{<A><B><B/></B></A>} )
+    end
+
+    def test_ref_optional
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<grammar xmlns="http://relaxng.org/ns/structure/1.0">
+  <start>
+    <element name="A">
+      <optional>
+        <ref name="B"/>
+      </optional>
+    </element>
+  </start>
+
+  <define name="B">
+    <element name="B">
+    </element>
+  </define>
+</grammar>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      no_error( validator, %q{<A></A>} )
+      no_error( validator, %q{<A><B/></A>} )
+      error( validator, %q{<A><B/><B/></A>} )
+      error( validator, %q{<A><C/></A>} )
+
+      rng = %q{
+<?xml version="1.0" encoding="UTF-8"?>
+<grammar xmlns="http://relaxng.org/ns/structure/1.0">
+  <start>
+    <element name="A">
+      <ref name="B"/>
+    </element>
+  </start>
+
+  <define name="B">
+    <optional>
+      <element name="B">
+      </element>
+    </optional>
+  </define>
+</grammar>
+      }
+      validator = REXML::Validation::RelaxNG.new( rng )
+
+      no_error( validator, %q{<A></A>} )
+      no_error( validator, %q{<A><B/></A>} )
+      error( validator, %q{<A><B/><B/></A>} )
+      error( validator, %q{<A><C/></A>} )
+    end
+
+
+
+    def error( validator, source )
+      parser = REXML::Parsers::TreeParser.new( source )
+      parser.add_listener( validator.reset )
+      assert_raise( REXML::Validation::ValidationException,
+                    "Expected a validation error" ) { parser.parse }
+    end
+
+    def no_error( validator, source )
+      parser = REXML::Parsers::TreeParser.new( source )
+      parser.add_listener( validator.reset )
+      assert_nothing_raised { parser.parse }
+    end
+  end
+end
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