Added first start on SAX 2.0 tests.
diff --git a/Lib/test/test_sax.py b/Lib/test/test_sax.py
new file mode 100644
index 0000000..6c887ec
--- /dev/null
+++ b/Lib/test/test_sax.py
@@ -0,0 +1,186 @@
+
+# regression test for SAX 2.0
+# $Id$
+
+from xml.sax.saxutils import XMLGenerator, escape, XMLFilterBase
+from xml.sax.expatreader import create_parser
+from cStringIO import StringIO
+from test_support import verbose, TestFailed
+
+# ===== Utilities
+
+tests = 0
+fails = 0
+
+def confirm(outcome, name):
+    global tests, fails
+
+    tests = tests + 1
+    if outcome:
+        print "Passed", name
+    else:
+        print "Failed", name
+        fails = fails + 1
+
+# ===========================================================================
+#
+#   saxutils tests
+#
+# ===========================================================================
+
+# ===== escape
+
+def test_escape_basic():
+    return escape("Donald Duck & Co") == "Donald Duck & Co"
+
+def test_escape_all():
+    return escape("<Donald Duck & Co>") == "&lt;Donald Duck &amp; Co&gt;"
+
+def test_escape_extra():
+    return escape("Hei på deg", {"å" : "&aring;"}) == "Hei p&aring; deg"
+
+# ===== XMLGenerator
+
+start = '<?xml version="1.0" encoding="iso-8859-1"?>\n'
+
+def test_xmlgen_basic():
+    result = StringIO()
+    gen = XMLGenerator(result)
+    gen.startDocument()
+    gen.startElement("doc", {})
+    gen.endElement("doc")
+    gen.endDocument()
+
+    return result.getvalue() == start + "<doc></doc>"
+
+def test_xmlgen_content():
+    result = StringIO()
+    gen = XMLGenerator(result)
+    
+    gen.startDocument()
+    gen.startElement("doc", {})
+    gen.characters("huhei")
+    gen.endElement("doc")
+    gen.endDocument()
+
+    return result.getvalue() == start + "<doc>huhei</doc>"
+
+def test_xmlgen_pi():
+    result = StringIO()
+    gen = XMLGenerator(result)
+    
+    gen.startDocument()
+    gen.processingInstruction("test", "data")
+    gen.startElement("doc", {})
+    gen.endElement("doc")
+    gen.endDocument()
+
+    return result.getvalue() == start + "<?test data?><doc></doc>"
+
+def test_xmlgen_content_escape():
+    result = StringIO()
+    gen = XMLGenerator(result)
+    
+    gen.startDocument()
+    gen.startElement("doc", {})
+    gen.characters("<huhei&")
+    gen.endElement("doc")
+    gen.endDocument()
+
+    return result.getvalue() == start + "<doc>&lt;huhei&amp;</doc>"
+
+def test_xmlgen_ignorable():
+    result = StringIO()
+    gen = XMLGenerator(result)
+    
+    gen.startDocument()
+    gen.startElement("doc", {})
+    gen.ignorableWhitespace(" ")
+    gen.endElement("doc")
+    gen.endDocument()
+
+    return result.getvalue() == start + "<doc> </doc>"
+
+ns_uri = "http://www.python.org/xml-ns/saxtest/"
+
+def test_xmlgen_ns():
+    result = StringIO()
+    gen = XMLGenerator(result)
+    
+    gen.startDocument()
+    gen.startPrefixMapping("ns1", ns_uri)
+    gen.startElementNS((ns_uri, "doc"), "ns:doc", {})
+    gen.endElementNS((ns_uri, "doc"), "ns:doc")
+    gen.endPrefixMapping("ns1")
+    gen.endDocument()
+
+    return result.getvalue() == start + ('<ns1:doc xmlns:ns1="%s"></ns1:doc>' %
+                                         ns_uri)
+
+# ===== XMLFilterBase
+
+def test_filter_basic():
+    result = StringIO()
+    gen = XMLGenerator(result)
+    filter = XMLFilterBase()
+    filter.setContentHandler(gen)
+    
+    filter.startDocument()
+    filter.startElement("doc", {})
+    filter.characters("content")
+    filter.ignorableWhitespace(" ")
+    filter.endElement("doc")
+    filter.endDocument()
+
+    return result.getvalue() == start + "<doc>content </doc>"
+
+# ===========================================================================
+#
+#   expatreader tests
+#
+# ===========================================================================
+
+# ===== DTDHandler support
+
+class TestDTDHandler:
+
+    def __init__(self):
+        self._notations = []
+        self._entities  = []
+    
+    def notationDecl(self, name, publicId, systemId):
+        self._notations.append((name, publicId, systemId))
+
+    def unparsedEntityDecl(self, name, publicId, systemId, ndata):
+        self._entities.append((name, publicId, systemId, ndata))
+
+#  def test_expat_dtdhandler():
+#      parser = create_parser()
+#      handler = TestDTDHandler()
+#      parser.setDTDHandler(handler)
+
+#      parser.feed('<!DOCTYPE doc [\n')
+#      parser.feed('  <!ENTITY img SYSTEM "expat.gif" NDATA GIF>\n')
+#      parser.feed('  <!NOTATION GIF PUBLIC "-//CompuServe//NOTATION Graphics Interchange Format 89a//EN">\n')
+#      parser.feed(']>\n')
+#      parser.feed('<doc></doc>')
+#      parser.close()
+
+#      return handler._notations == [("GIF", "-//CompuServe//NOTATION Graphics Interchange Format 89a//EN", None)] and \
+#             handler._entities == [("img", None, "expat.gif", "GIF")]
+
+# ===== EntityResolver support
+
+# can't test this until InputSource is in place
+
+# ===== Main program
+
+items = locals().items()
+items.sort()
+for (name, value) in items:
+    if name[ : 5] == "test_":
+        confirm(value(), name)
+
+print "%d tests, %d failures" % (tests, fails)
+if fails != 0:
+    raise TestFailed, "%d of %d tests failed" % (fails, tests)