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

webrtc/libjingle/xmllite/xmlelement_unittest.cc

+/*
+ *  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/xmlelement.h"
+#include "webrtc/base/common.h"
+#include "webrtc/base/gunit.h"
+#include "webrtc/base/thread.h"
+
+using buzz::QName;
+using buzz::XmlAttr;
+using buzz::XmlChild;
+using buzz::XmlElement;
+
+std::ostream& operator<<(std::ostream& os, const QName& name) {
+  os << name.Namespace() << ":" << name.LocalPart();
+  return os;
+}
+
+TEST(XmlElementTest, TestConstructors) {
+  XmlElement elt(QName("google:test", "first"));
+  EXPECT_EQ("<test:first xmlns:test=\"google:test\"/>", elt.Str());
+
+  XmlElement elt2(QName("google:test", "first"), true);
+  EXPECT_EQ("<first xmlns=\"google:test\"/>", elt2.Str());
+}
+
+TEST(XmlElementTest, TestAdd) {
+  XmlElement elt(QName("google:test", "root"), true);
+  elt.AddElement(new XmlElement(QName("google:test", "first")));
+  elt.AddElement(new XmlElement(QName("google:test", "nested")), 1);
+  elt.AddText("nested-value", 2);
+  elt.AddText("between-", 1);
+  elt.AddText("value", 1);
+  elt.AddElement(new XmlElement(QName("google:test", "nested2")), 1);
+  elt.AddElement(new XmlElement(QName("google:test", "second")));
+  elt.AddText("init-value", 1);
+  elt.AddElement(new XmlElement(QName("google:test", "nested3")), 1);
+  elt.AddText("trailing-value", 1);
+
+  // make sure it looks ok overall
+  EXPECT_EQ("<root xmlns=\"google:test\">"
+        "<first><nested>nested-value</nested>between-value<nested2/></first>"
+        "<second>init-value<nested3/>trailing-value</second></root>",
+        elt.Str());
+
+  // make sure text was concatenated
+  XmlChild * pchild =
+    elt.FirstChild()->AsElement()->FirstChild()->NextChild();
+  EXPECT_TRUE(pchild->IsText());
+  EXPECT_EQ("between-value", pchild->AsText()->Text());
+}
+
+TEST(XmlElementTest, TestAttrs) {
+  XmlElement elt(QName("", "root"));
+  elt.SetAttr(QName("", "a"), "avalue");
+  EXPECT_EQ("<root a=\"avalue\"/>", elt.Str());
+
+  elt.SetAttr(QName("", "b"), "bvalue");
+  EXPECT_EQ("<root a=\"avalue\" b=\"bvalue\"/>", elt.Str());
+
+  elt.SetAttr(QName("", "a"), "avalue2");
+  EXPECT_EQ("<root a=\"avalue2\" b=\"bvalue\"/>", elt.Str());
+
+  elt.SetAttr(QName("", "b"), "bvalue2");
+  EXPECT_EQ("<root a=\"avalue2\" b=\"bvalue2\"/>", elt.Str());
+
+  elt.SetAttr(QName("", "c"), "cvalue");
+  EXPECT_EQ("<root a=\"avalue2\" b=\"bvalue2\" c=\"cvalue\"/>", elt.Str());
+
+  XmlAttr * patt = elt.FirstAttr();
+  EXPECT_EQ(QName("", "a"), patt->Name());
+  EXPECT_EQ("avalue2", patt->Value());
+
+  patt = patt->NextAttr();
+  EXPECT_EQ(QName("", "b"), patt->Name());
+  EXPECT_EQ("bvalue2", patt->Value());
+
+  patt = patt->NextAttr();
+  EXPECT_EQ(QName("", "c"), patt->Name());
+  EXPECT_EQ("cvalue", patt->Value());
+
+  patt = patt->NextAttr();
+  EXPECT_TRUE(NULL == patt);
+
+  EXPECT_TRUE(elt.HasAttr(QName("", "a")));
+  EXPECT_TRUE(elt.HasAttr(QName("", "b")));
+  EXPECT_TRUE(elt.HasAttr(QName("", "c")));
+  EXPECT_FALSE(elt.HasAttr(QName("", "d")));
+
+  elt.SetAttr(QName("", "d"), "dvalue");
+  EXPECT_EQ("<root a=\"avalue2\" b=\"bvalue2\" c=\"cvalue\" d=\"dvalue\"/>",
+      elt.Str());
+  EXPECT_TRUE(elt.HasAttr(QName("", "d")));
+
+  elt.ClearAttr(QName("", "z"));  // not found, no effect
+  EXPECT_EQ("<root a=\"avalue2\" b=\"bvalue2\" c=\"cvalue\" d=\"dvalue\"/>",
+      elt.Str());
+
+  elt.ClearAttr(QName("", "b"));
+  EXPECT_EQ("<root a=\"avalue2\" c=\"cvalue\" d=\"dvalue\"/>", elt.Str());
+
+  elt.ClearAttr(QName("", "a"));
+  EXPECT_EQ("<root c=\"cvalue\" d=\"dvalue\"/>", elt.Str());
+
+  elt.ClearAttr(QName("", "d"));
+  EXPECT_EQ("<root c=\"cvalue\"/>", elt.Str());
+
+  elt.ClearAttr(QName("", "c"));
+  EXPECT_EQ("<root/>", elt.Str());
+}
+
+TEST(XmlElementTest, TestBodyText) {
+  XmlElement elt(QName("", "root"));
+  EXPECT_EQ("", elt.BodyText());
+
+  elt.AddText("body value text");
+
+  EXPECT_EQ("body value text", elt.BodyText());
+
+  elt.ClearChildren();
+  elt.AddText("more value ");
+  elt.AddText("text");
+
+  EXPECT_EQ("more value text", elt.BodyText());
+
+  elt.ClearChildren();
+  elt.AddText("decoy");
+  elt.AddElement(new XmlElement(QName("", "dummy")));
+  EXPECT_EQ("", elt.BodyText());
+
+  elt.SetBodyText("replacement");
+  EXPECT_EQ("replacement", elt.BodyText());
+
+  elt.SetBodyText("");
+  EXPECT_TRUE(NULL == elt.FirstChild());
+
+  elt.SetBodyText("goodbye");
+  EXPECT_EQ("goodbye", elt.FirstChild()->AsText()->Text());
+  EXPECT_EQ("goodbye", elt.BodyText());
+}
+
+TEST(XmlElementTest, TestCopyConstructor) {
+  XmlElement * element = XmlElement::ForStr(
+      "<root xmlns='test-foo'>This is a <em a='avalue' b='bvalue'>"
+      "little <b>little</b></em> test</root>");
+
+  XmlElement * pelCopy = new XmlElement(*element);
+  EXPECT_EQ("<root xmlns=\"test-foo\">This is a <em a=\"avalue\" b=\"bvalue\">"
+      "little <b>little</b></em> test</root>", pelCopy->Str());
+  delete pelCopy;
+
+  pelCopy = new XmlElement(*(element->FirstChild()->NextChild()->AsElement()));
+  EXPECT_EQ("<foo:em a=\"avalue\" b=\"bvalue\" xmlns:foo=\"test-foo\">"
+      "little <foo:b>little</foo:b></foo:em>", pelCopy->Str());
+
+  XmlAttr * patt = pelCopy->FirstAttr();
+  EXPECT_EQ(QName("", "a"), patt->Name());
+  EXPECT_EQ("avalue", patt->Value());
+
+  patt = patt->NextAttr();
+  EXPECT_EQ(QName("", "b"), patt->Name());
+  EXPECT_EQ("bvalue", patt->Value());
+
+  patt = patt->NextAttr();
+  EXPECT_TRUE(NULL == patt);
+  delete pelCopy;
+  delete element;
+}
+
+TEST(XmlElementTest, TestNameSearch) {
+  XmlElement * element = XmlElement::ForStr(
+    "<root xmlns='test-foo'>"
+      "<firstname>George</firstname>"
+      "<middlename>X.</middlename>"
+      "some text"
+      "<lastname>Harrison</lastname>"
+      "<firstname>John</firstname>"
+      "<middlename>Y.</middlename>"
+      "<lastname>Lennon</lastname>"
+    "</root>");
+  EXPECT_TRUE(NULL ==
+      element->FirstNamed(QName("", "firstname")));
+  EXPECT_EQ(element->FirstChild(),
+      element->FirstNamed(QName("test-foo", "firstname")));
+  EXPECT_EQ(element->FirstChild()->NextChild(),
+      element->FirstNamed(QName("test-foo", "middlename")));
+  EXPECT_EQ(element->FirstElement()->NextElement(),
+      element->FirstNamed(QName("test-foo", "middlename")));
+  EXPECT_EQ("Harrison",
+      element->TextNamed(QName("test-foo", "lastname")));
+  EXPECT_EQ(element->FirstElement()->NextElement()->NextElement(),
+      element->FirstNamed(QName("test-foo", "lastname")));
+  EXPECT_EQ("John", element->FirstNamed(QName("test-foo", "firstname"))->
+      NextNamed(QName("test-foo", "firstname"))->BodyText());
+  EXPECT_EQ("Y.", element->FirstNamed(QName("test-foo", "middlename"))->
+      NextNamed(QName("test-foo", "middlename"))->BodyText());
+  EXPECT_EQ("Lennon", element->FirstNamed(QName("test-foo", "lastname"))->
+      NextNamed(QName("test-foo", "lastname"))->BodyText());
+  EXPECT_TRUE(NULL == element->FirstNamed(QName("test-foo", "firstname"))->
+      NextNamed(QName("test-foo", "firstname"))->
+      NextNamed(QName("test-foo", "firstname")));
+
+  delete element;
+}
+
+class XmlElementCreatorThread : public rtc::Thread {
+ public:
+  XmlElementCreatorThread(int count, buzz::QName qname) :
+      count_(count), qname_(qname) {}
+
+  virtual ~XmlElementCreatorThread() {
+    Stop();
+  }
+
+  virtual void Run() {
+    std::vector<buzz::XmlElement*> elems;
+    for (int i = 0; i < count_; i++) {
+      elems.push_back(new XmlElement(qname_));
+    }
+    for (int i = 0; i < count_; i++) {
+      delete elems[i];
+    }
+  }
+
+ private:
+  int count_;
+  buzz::QName qname_;
+};
+
+// If XmlElement creation and destruction isn't thread safe,
+// this test should crash.
+TEST(XmlElementTest, TestMultithread) {
+  int thread_count = 2;  // Was 100, but that's too slow.
+  int elem_count = 100;  // Was 100000, but that's too slow.
+  buzz::QName qname("foo", "bar");
+
+  std::vector<rtc::Thread*> threads;
+  for (int i = 0; i < thread_count; i++) {
+    threads.push_back(
+        new XmlElementCreatorThread(elem_count, qname));
+    threads[i]->Start();
+  }
+
+  for (int i = 0; i < thread_count; i++) {
+    threads[i]->Stop();
+    delete threads[i];
+  }
+}