Revert of Remove webrtc/libjingle/{xmllite,xmpp}

webrtc/libjingle/xmllite/xmlparser_unittest.cc

Index: webrtc/libjingle/xmllite/xmlparser_unittest.cc
diff --git a/webrtc/libjingle/xmllite/xmlparser_unittest.cc b/webrtc/libjingle/xmllite/xmlparser_unittest.cc
new file mode 100644
index 0000000000000000000000000000000000000000..a73d81e6f380c466e956a4a9cb1938e16f9a0bab
--- /dev/null
+++ b/webrtc/libjingle/xmllite/xmlparser_unittest.cc
@@ -0,0 +1,285 @@
+/*
+ *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
+ *
+ *  Use of this source code is governed by a BSD-style license
+ *  that can be found in the LICENSE file in the root of the source
+ *  tree. An additional intellectual property rights grant can be found
+ *  in the file PATENTS.  All contributing project authors may
+ *  be found in the AUTHORS file in the root of the source tree.
+ */
+
+#include <iostream>
+#include <sstream>
+#include <string>
+#include "webrtc/libjingle/xmllite/qname.h"
+#include "webrtc/libjingle/xmllite/xmlparser.h"
+#include "webrtc/base/common.h"
+#include "webrtc/base/gunit.h"
+
+using buzz::QName;
+using buzz::XmlParser;
+using buzz::XmlParseContext;
+using buzz::XmlParseHandler;
+
+class XmlParserTestHandler : public XmlParseHandler {
+ public:
+  virtual void StartElement(XmlParseContext * pctx,
+                            const char * name, const char ** atts) {
+    ss_ << "START (" << pctx->ResolveQName(name, false).Merged();
+    while (*atts) {
+      ss_ << ", " << pctx->ResolveQName(*atts, true).Merged()
+          << "='" << *(atts+1) << "'";
+      atts += 2;
+    }
+    ss_ << ") ";
+  }
+  virtual void EndElement(XmlParseContext * pctx, const char * name) {
+    RTC_UNUSED(pctx);
+    RTC_UNUSED(name);
+    ss_ << "END ";
+  }
+  virtual void CharacterData(XmlParseContext * pctx,
+                             const char * text, int len) {
+    RTC_UNUSED(pctx);
+    ss_ << "TEXT (" << std::string(text, len) << ") ";
+  }
+  virtual void Error(XmlParseContext * pctx, XML_Error code) {
+    RTC_UNUSED(pctx);
+    ss_ << "ERROR (" << static_cast<int>(code) << ") ";
+  }
+  virtual ~XmlParserTestHandler() {
+  }
+
+  std::string Str() {
+    return ss_.str();
+  }
+
+  std::string StrClear() {
+    std::string result = ss_.str();
+    ss_.str("");
+    return result;
+  }
+
+ private:
+  std::stringstream ss_;
+};
+
+
+TEST(XmlParserTest, TestTrivial) {
+  XmlParserTestHandler handler;
+  XmlParser::ParseXml(&handler, "<testing/>");
+  EXPECT_EQ("START (testing) END ", handler.Str());
+}
+
+TEST(XmlParserTest, TestAttributes) {
+  {
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler, "<testing a='b'/>");
+    EXPECT_EQ("START (testing, a='b') END ", handler.Str());
+  }
+  {
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler, "<testing e='' long='some text'/>");
+    EXPECT_EQ("START (testing, e='', long='some text') END ", handler.Str());
+  }
+}
+
+TEST(XmlParserTest, TestNesting) {
+  {
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler,
+        "<top><first/><second><third></third></second></top>");
+    EXPECT_EQ("START (top) START (first) END START (second) START (third) "
+        "END END END ", handler.Str());
+  }
+  {
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler, "<top><fifth><deeper><and><deeper/></and>"
+        "<sibling><leaf/></sibling></deeper></fifth><first/><second>"
+        "<third></third></second></top>");
+    EXPECT_EQ("START (top) START (fifth) START (deeper) START (and) START "
+            "(deeper) END END START (sibling) START (leaf) END END END "
+            "END START (first) END START (second) START (third) END END END ",
+            handler.Str());
+  }
+}
+
+TEST(XmlParserTest, TestXmlDecl) {
+  {
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler, "<?xml version=\"1.0\"?><testing/>");
+    EXPECT_EQ("START (testing) END ", handler.Str());
+  }
+  {
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler,
+        "<?xml version=\"1.0\" encoding=\"utf-8\"?><testing/>");
+    EXPECT_EQ("START (testing) END ", handler.Str());
+  }
+  {
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler,
+        "<?xml version=\"1.0\" encoding=\"UTF-8\" standalone=\"yes\"?>"
+        "<testing/>");
+    EXPECT_EQ("START (testing) END ", handler.Str());
+  }
+}
+
+TEST(XmlParserTest, TestNamespace) {
+  {
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler, "<top xmlns='my-namespace' a='b'/>");
+    EXPECT_EQ("START (my-namespace:top, xmlns='my-namespace', a='b') END ",
+        handler.Str());
+  }
+  {
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler, "<foo:top xmlns:foo='my-namespace' "
+          "a='b' foo:c='d'/>");
+    EXPECT_EQ("START (my-namespace:top, "
+        "http://www.w3.org/2000/xmlns/:foo='my-namespace', "
+        "a='b', my-namespace:c='d') END ", handler.Str());
+  }
+  {
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler, "<top><nested xmlns='my-namespace'><leaf/>"
+        "</nested><sibling/></top>");
+    EXPECT_EQ("START (top) START (my-namespace:nested, xmlns='my-namespace') "
+        "START (my-namespace:leaf) END END START (sibling) END END ",
+        handler.Str());
+  }
+}
+
+TEST(XmlParserTest, TestIncremental) {
+  XmlParserTestHandler handler;
+  XmlParser parser(&handler);
+  std::string fragment;
+
+  fragment = "<stream:stream";
+  parser.Parse(fragment.c_str(), fragment.length(), false);
+  EXPECT_EQ("", handler.StrClear());
+
+  fragment = " id=\"abcdefg\" xmlns=\"";
+  parser.Parse(fragment.c_str(), fragment.length(), false);
+  EXPECT_EQ("", handler.StrClear());
+
+  fragment = "j:c\" xmlns:stream='hm";
+  parser.Parse(fragment.c_str(), fragment.length(), false);
+  EXPECT_EQ("", handler.StrClear());
+
+  fragment = "ph'><test";
+  parser.Parse(fragment.c_str(), fragment.length(), false);
+  EXPECT_EQ("START (hmph:stream, id='abcdefg', xmlns='j:c', "
+      "http://www.w3.org/2000/xmlns/:stream='hmph') ", handler.StrClear());
+
+  fragment = "ing/><again/>abracad";
+  parser.Parse(fragment.c_str(), fragment.length(), false);
+  EXPECT_EQ("START (j:c:testing) END START (j:c:again) END TEXT (abracad) ",
+      handler.StrClear());
+
+  fragment = "abra</stream:";
+  parser.Parse(fragment.c_str(), fragment.length(), false);
+  EXPECT_EQ("TEXT (abra) ", handler.StrClear());
+
+  fragment = "stream>";
+  parser.Parse(fragment.c_str(), fragment.length(), false);
+  EXPECT_EQ("END ", handler.StrClear());
+}
+
+TEST(XmlParserTest, TestReset) {
+  {
+    XmlParserTestHandler handler;
+    XmlParser parser(&handler);
+    std::string fragment;
+
+    fragment = "<top><first/><second><third></third>";
+    parser.Parse(fragment.c_str(), fragment.length(), false);
+    EXPECT_EQ("START (top) START (first) END START (second) START (third) END ",
+        handler.StrClear());
+
+    parser.Reset();
+    fragment = "<tip><first/><second><third></third>";
+    parser.Parse(fragment.c_str(), fragment.length(), false);
+    EXPECT_EQ("START (tip) START (first) END START (second) START (third) END ",
+        handler.StrClear());
+  }
+  {
+    XmlParserTestHandler handler;
+    XmlParser parser(&handler);
+    std::string fragment;
+
+    fragment = "<top xmlns='m'>";
+    parser.Parse(fragment.c_str(), fragment.length(), false);
+    EXPECT_EQ("START (m:top, xmlns='m') ", handler.StrClear());
+
+    fragment = "<testing/><frag";
+    parser.Parse(fragment.c_str(), fragment.length(), false);
+    EXPECT_EQ("START (m:testing) END ", handler.StrClear());
+
+    parser.Reset();
+    fragment = "<testing><fragment/";
+    parser.Parse(fragment.c_str(), fragment.length(), false);
+    EXPECT_EQ("START (testing) ", handler.StrClear());
+
+    fragment = ">";
+    parser.Parse(fragment.c_str(), fragment.length(), false);
+    EXPECT_EQ("START (fragment) END ", handler.StrClear());
+  }
+}
+
+TEST(XmlParserTest, TestError) {
+  {
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler, "junk");
+    EXPECT_EQ("ERROR (2) ", handler.Str());
+  }
+  {
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler, "<top/> garbage ");
+    EXPECT_EQ("START (top) END ERROR (9) ", handler.Str());
+  }
+  {
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler, "<-hm->");
+    EXPECT_EQ("ERROR (4) ", handler.Str());
+  }
+  {
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler, "<hello>&foobar;</hello>");
+    EXPECT_EQ("START (hello) ERROR (11) ", handler.Str());
+  }
+  {
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler,
+        "<!DOCTYPE HTML PUBLIC \"foobar\" \"barfoo\">");
+    EXPECT_EQ("ERROR (3) ", handler.Str());
+  }
+  {
+    // XmlParser requires utf-8
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler,
+        "<?xml version=\"1.0\" encoding=\"iso-8859-1\"?><test/>");
+    EXPECT_EQ("ERROR (19) ", handler.Str());
+  }
+  {
+    // XmlParser requires version 1.0
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler,
+        "<?xml version=\"2.0\"?><test/>");
+    EXPECT_EQ("ERROR (2) ", handler.Str());
+  }
+  {
+    // XmlParser requires standalone documents
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler,
+        "<?xml version=\"1.0\" standalone=\"no\"?><test/>");
+    EXPECT_EQ("ERROR (2) ", handler.Str());
+  }
+  {
+    // XmlParser doesn't like empty namespace URIs
+    XmlParserTestHandler handler;
+    XmlParser::ParseXml(&handler,
+        "<test xmlns:foo='' foo:bar='huh?'>");
+    EXPECT_EQ("ERROR (2) ", handler.Str());
+  }
+}