Adds trunk/talk folder of revision 359 from libjingles google code to
trunk/talk


git-svn-id: http://webrtc.googlecode.com/svn/trunk@4318 4adac7df-926f-26a2-2b94-8c16560cd09d
diff --git a/talk/base/json_unittest.cc b/talk/base/json_unittest.cc
new file mode 100644
index 0000000..96a7975
--- /dev/null
+++ b/talk/base/json_unittest.cc
@@ -0,0 +1,294 @@
+/*
+ * libjingle
+ * Copyright 2009, Google Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ *  1. Redistributions of source code must retain the above copyright notice,
+ *     this list of conditions and the following disclaimer.
+ *  2. Redistributions in binary form must reproduce the above copyright notice,
+ *     this list of conditions and the following disclaimer in the documentation
+ *     and/or other materials provided with the distribution.
+ *  3. The name of the author may not be used to endorse or promote products
+ *     derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO
+ * EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <vector>
+#include "talk/base/gunit.h"
+#include "talk/base/json.h"
+
+static Json::Value in_s("foo");
+static Json::Value in_sn("99");
+static Json::Value in_si("-99");
+static Json::Value in_sb("true");
+static Json::Value in_sd("1.2");
+static Json::Value in_n(12);
+static Json::Value in_i(-12);
+static Json::Value in_u(34U);
+static Json::Value in_b(true);
+static Json::Value in_d(1.2);
+static Json::Value big_sn("12345678901234567890");
+static Json::Value big_si("-12345678901234567890");
+static Json::Value big_u(0xFFFFFFFF);
+static Json::Value bad_a(Json::arrayValue);
+static Json::Value bad_o(Json::objectValue);
+
+TEST(JsonTest, GetString) {
+  std::string out;
+  EXPECT_TRUE(GetStringFromJson(in_s, &out));
+  EXPECT_EQ("foo", out);
+  EXPECT_TRUE(GetStringFromJson(in_sn, &out));
+  EXPECT_EQ("99", out);
+  EXPECT_TRUE(GetStringFromJson(in_si, &out));
+  EXPECT_EQ("-99", out);
+  EXPECT_TRUE(GetStringFromJson(in_i, &out));
+  EXPECT_EQ("-12", out);
+  EXPECT_TRUE(GetStringFromJson(in_n, &out));
+  EXPECT_EQ("12", out);
+  EXPECT_TRUE(GetStringFromJson(in_u, &out));
+  EXPECT_EQ("34", out);
+  EXPECT_TRUE(GetStringFromJson(in_b, &out));
+  EXPECT_EQ("true", out);
+  // Not supported here yet.
+  EXPECT_FALSE(GetStringFromJson(bad_a, &out));
+  EXPECT_FALSE(GetStringFromJson(bad_o, &out));
+}
+
+TEST(JsonTest, GetInt) {
+  int out;
+  EXPECT_TRUE(GetIntFromJson(in_sn, &out));
+  EXPECT_EQ(99, out);
+  EXPECT_TRUE(GetIntFromJson(in_si, &out));
+  EXPECT_EQ(-99, out);
+  EXPECT_TRUE(GetIntFromJson(in_n, &out));
+  EXPECT_EQ(12, out);
+  EXPECT_TRUE(GetIntFromJson(in_i, &out));
+  EXPECT_EQ(-12, out);
+  EXPECT_TRUE(GetIntFromJson(in_u, &out));
+  EXPECT_EQ(34, out);
+  EXPECT_TRUE(GetIntFromJson(in_b, &out));
+  EXPECT_EQ(1, out);
+  EXPECT_FALSE(GetIntFromJson(in_s, &out));
+  EXPECT_FALSE(GetIntFromJson(big_sn, &out));
+  EXPECT_FALSE(GetIntFromJson(big_si, &out));
+  EXPECT_FALSE(GetIntFromJson(big_u, &out));
+  EXPECT_FALSE(GetIntFromJson(bad_a, &out));
+  EXPECT_FALSE(GetIntFromJson(bad_o, &out));
+}
+
+TEST(JsonTest, GetUInt) {
+  unsigned int out;
+  EXPECT_TRUE(GetUIntFromJson(in_sn, &out));
+  EXPECT_EQ(99U, out);
+  EXPECT_TRUE(GetUIntFromJson(in_n, &out));
+  EXPECT_EQ(12U, out);
+  EXPECT_TRUE(GetUIntFromJson(in_u, &out));
+  EXPECT_EQ(34U, out);
+  EXPECT_TRUE(GetUIntFromJson(in_b, &out));
+  EXPECT_EQ(1U, out);
+  EXPECT_TRUE(GetUIntFromJson(big_u, &out));
+  EXPECT_EQ(0xFFFFFFFFU, out);
+  EXPECT_FALSE(GetUIntFromJson(in_s, &out));
+  // TODO: Fail reading negative strings.
+  // EXPECT_FALSE(GetUIntFromJson(in_si, &out));
+  EXPECT_FALSE(GetUIntFromJson(in_i, &out));
+  EXPECT_FALSE(GetUIntFromJson(big_sn, &out));
+  EXPECT_FALSE(GetUIntFromJson(big_si, &out));
+  EXPECT_FALSE(GetUIntFromJson(bad_a, &out));
+  EXPECT_FALSE(GetUIntFromJson(bad_o, &out));
+}
+
+TEST(JsonTest, GetBool) {
+  bool out;
+  EXPECT_TRUE(GetBoolFromJson(in_sb, &out));
+  EXPECT_EQ(true, out);
+  EXPECT_TRUE(GetBoolFromJson(in_n, &out));
+  EXPECT_EQ(true, out);
+  EXPECT_TRUE(GetBoolFromJson(in_i, &out));
+  EXPECT_EQ(true, out);
+  EXPECT_TRUE(GetBoolFromJson(in_u, &out));
+  EXPECT_EQ(true, out);
+  EXPECT_TRUE(GetBoolFromJson(in_b, &out));
+  EXPECT_EQ(true, out);
+  EXPECT_TRUE(GetBoolFromJson(big_u, &out));
+  EXPECT_EQ(true, out);
+  EXPECT_FALSE(GetBoolFromJson(in_s, &out));
+  EXPECT_FALSE(GetBoolFromJson(in_sn, &out));
+  EXPECT_FALSE(GetBoolFromJson(in_si, &out));
+  EXPECT_FALSE(GetBoolFromJson(big_sn, &out));
+  EXPECT_FALSE(GetBoolFromJson(big_si, &out));
+  EXPECT_FALSE(GetBoolFromJson(bad_a, &out));
+  EXPECT_FALSE(GetBoolFromJson(bad_o, &out));
+}
+
+TEST(JsonTest, GetDouble) {
+  double out;
+  EXPECT_TRUE(GetDoubleFromJson(in_sn, &out));
+  EXPECT_EQ(99, out);
+  EXPECT_TRUE(GetDoubleFromJson(in_si, &out));
+  EXPECT_EQ(-99, out);
+  EXPECT_TRUE(GetDoubleFromJson(in_sd, &out));
+  EXPECT_EQ(1.2, out);
+  EXPECT_TRUE(GetDoubleFromJson(in_n, &out));
+  EXPECT_EQ(12, out);
+  EXPECT_TRUE(GetDoubleFromJson(in_i, &out));
+  EXPECT_EQ(-12, out);
+  EXPECT_TRUE(GetDoubleFromJson(in_u, &out));
+  EXPECT_EQ(34, out);
+  EXPECT_TRUE(GetDoubleFromJson(in_b, &out));
+  EXPECT_EQ(1, out);
+  EXPECT_TRUE(GetDoubleFromJson(in_d, &out));
+  EXPECT_EQ(1.2, out);
+  EXPECT_FALSE(GetDoubleFromJson(in_s, &out));
+}
+
+TEST(JsonTest, GetFromArray) {
+  Json::Value a, out;
+  a.append(in_s);
+  a.append(in_i);
+  a.append(in_u);
+  a.append(in_b);
+  EXPECT_TRUE(GetValueFromJsonArray(a, 0, &out));
+  EXPECT_TRUE(GetValueFromJsonArray(a, 3, &out));
+  EXPECT_FALSE(GetValueFromJsonArray(a, 99, &out));
+  EXPECT_FALSE(GetValueFromJsonArray(a, 0xFFFFFFFF, &out));
+}
+
+TEST(JsonTest, GetFromObject) {
+  Json::Value o, out;
+  o["string"] = in_s;
+  o["int"] = in_i;
+  o["uint"] = in_u;
+  o["bool"] = in_b;
+  EXPECT_TRUE(GetValueFromJsonObject(o, "int", &out));
+  EXPECT_TRUE(GetValueFromJsonObject(o, "bool", &out));
+  EXPECT_FALSE(GetValueFromJsonObject(o, "foo", &out));
+  EXPECT_FALSE(GetValueFromJsonObject(o, "", &out));
+}
+
+namespace {
+template <typename T>
+std::vector<T> VecOf3(const T& a, const T& b, const T& c) {
+  std::vector<T> in;
+  in.push_back(a);
+  in.push_back(b);
+  in.push_back(c);
+  return in;
+}
+template <typename T>
+Json::Value JsonVecOf3(const T& a, const T& b, const T& c) {
+  Json::Value in(Json::arrayValue);
+  in.append(a);
+  in.append(b);
+  in.append(c);
+  return in;
+}
+}  // unnamed namespace
+
+TEST(JsonTest, ValueVectorToFromArray) {
+  std::vector<Json::Value> in = VecOf3<Json::Value>("a", "b", "c");
+  Json::Value out = ValueVectorToJsonArray(in);
+  EXPECT_EQ(in.size(), out.size());
+  for (Json::Value::ArrayIndex i = 0; i < in.size(); ++i) {
+    EXPECT_EQ(in[i].asString(), out[i].asString());
+  }
+  Json::Value inj = JsonVecOf3<Json::Value>("a", "b", "c");
+  EXPECT_EQ(inj, out);
+  std::vector<Json::Value> outj;
+  EXPECT_TRUE(JsonArrayToValueVector(inj, &outj));
+  for (Json::Value::ArrayIndex i = 0; i < in.size(); i++) {
+    EXPECT_EQ(in[i], outj[i]);
+  }
+}
+
+TEST(JsonTest, IntVectorToFromArray) {
+  std::vector<int> in = VecOf3<int>(1, 2, 3);
+  Json::Value out = IntVectorToJsonArray(in);
+  EXPECT_EQ(in.size(), out.size());
+  for (Json::Value::ArrayIndex i = 0; i < in.size(); ++i) {
+    EXPECT_EQ(in[i], out[i].asInt());
+  }
+  Json::Value inj = JsonVecOf3<int>(1, 2, 3);
+  EXPECT_EQ(inj, out);
+  std::vector<int> outj;
+  EXPECT_TRUE(JsonArrayToIntVector(inj, &outj));
+  for (Json::Value::ArrayIndex i = 0; i < in.size(); i++) {
+    EXPECT_EQ(in[i], outj[i]);
+  }
+}
+
+TEST(JsonTest, UIntVectorToFromArray) {
+  std::vector<unsigned int> in = VecOf3<unsigned int>(1, 2, 3);
+  Json::Value out = UIntVectorToJsonArray(in);
+  EXPECT_EQ(in.size(), out.size());
+  for (Json::Value::ArrayIndex i = 0; i < in.size(); ++i) {
+    EXPECT_EQ(in[i], out[i].asUInt());
+  }
+  Json::Value inj = JsonVecOf3<unsigned int>(1, 2, 3);
+  EXPECT_EQ(inj, out);
+  std::vector<unsigned int> outj;
+  EXPECT_TRUE(JsonArrayToUIntVector(inj, &outj));
+  for (Json::Value::ArrayIndex i = 0; i < in.size(); i++) {
+    EXPECT_EQ(in[i], outj[i]);
+  }
+}
+
+TEST(JsonTest, StringVectorToFromArray) {
+  std::vector<std::string> in = VecOf3<std::string>("a", "b", "c");
+  Json::Value out = StringVectorToJsonArray(in);
+  EXPECT_EQ(in.size(), out.size());
+  for (Json::Value::ArrayIndex i = 0; i < in.size(); ++i) {
+    EXPECT_EQ(in[i], out[i].asString());
+  }
+  Json::Value inj = JsonVecOf3<std::string>("a", "b", "c");
+  EXPECT_EQ(inj, out);
+  std::vector<std::string> outj;
+  EXPECT_TRUE(JsonArrayToStringVector(inj, &outj));
+  for (Json::Value::ArrayIndex i = 0; i < in.size(); i++) {
+    EXPECT_EQ(in[i], outj[i]);
+  }
+}
+
+TEST(JsonTest, BoolVectorToFromArray) {
+  std::vector<bool> in = VecOf3<bool>(false, true, false);
+  Json::Value out = BoolVectorToJsonArray(in);
+  EXPECT_EQ(in.size(), out.size());
+  for (Json::Value::ArrayIndex i = 0; i < in.size(); ++i) {
+    EXPECT_EQ(in[i], out[i].asBool());
+  }
+  Json::Value inj = JsonVecOf3<bool>(false, true, false);
+  EXPECT_EQ(inj, out);
+  std::vector<bool> outj;
+  EXPECT_TRUE(JsonArrayToBoolVector(inj, &outj));
+  for (Json::Value::ArrayIndex i = 0; i < in.size(); i++) {
+    EXPECT_EQ(in[i], outj[i]);
+  }
+}
+
+TEST(JsonTest, DoubleVectorToFromArray) {
+  std::vector<double> in = VecOf3<double>(1.0, 2.0, 3.0);
+  Json::Value out = DoubleVectorToJsonArray(in);
+  EXPECT_EQ(in.size(), out.size());
+  for (Json::Value::ArrayIndex i = 0; i < in.size(); ++i) {
+    EXPECT_EQ(in[i], out[i].asDouble());
+  }
+  Json::Value inj = JsonVecOf3<double>(1.0, 2.0, 3.0);
+  EXPECT_EQ(inj, out);
+  std::vector<double> outj;
+  EXPECT_TRUE(JsonArrayToDoubleVector(inj, &outj));
+  for (Json::Value::ArrayIndex i = 0; i < in.size(); i++) {
+    EXPECT_EQ(in[i], outj[i]);
+  }
+}