Test that nested JsonObject can be stored

srcs/JsonBuffer.cpp

@@ -1,8 +1,10 @@
 #include "JsonBuffer.h"
-#include "JsonNode.h"
-#include "JsonObject.h"
+
 #include <string.h> // for memset
 
+#include "JsonNode.h"
+#include "JsonObject.h"
+#include "JsonValue.h"
 
 JsonObject JsonBuffer::createObject()
 {
@@ -14,6 +16,12 @@ JsonObject JsonBuffer::createObject()
     return JsonObject(node);
 }
 
+JsonValue JsonBuffer::createValue()
+{
+    JsonNode* node = createNode(JSON_UNDEFINED);
+    return JsonValue(node);
+}
+
 JsonNode* JsonBuffer::createNode(JsonNodeType type)
 {
     JsonNode* node = allocateNode();

srcs/JsonBuffer.h

@@ -4,6 +4,7 @@
 #include "JsonNode.h"
 
 class JsonObject;
+class JsonValue;
 struct JsonNode;
 
 class JsonBuffer
@@ -14,6 +15,8 @@ public:
 //    virtual ~JsonBuffer() = 0;
 
     JsonObject createObject();
+    JsonValue createValue();
+
 protected:
     virtual JsonNode* allocateNode() = 0;
 

srcs/JsonObject.h

@@ -5,6 +5,8 @@ struct JsonNode;
 
 class JsonObject
 {
+    friend JsonValue;
+
 public:
     JsonObject()
         : _node(0)
@@ -20,6 +22,11 @@ public:
 
     JsonValue operator[](const char* key);
 
+    bool operator== (const JsonObject& other) const
+    {
+        return _node == other._node;
+    }
+
 private:
     JsonNode* _node;
 

srcs/JsonValue.cpp

@@ -34,6 +34,13 @@ void JsonValue::operator=(int value)
     _node->content.asInteger = value;
 }
 
+void JsonValue::operator=(const JsonObject& object)
+{
+    if (!_node) return;
+
+    _node = object._node;
+}
+
 JsonValue::operator bool() const
 {
     if (!_node || _node->type != JSON_BOOLEAN) return 0;
@@ -60,4 +67,9 @@ JsonValue::operator int() const
     if (!_node || _node->type != JSON_INTEGER) return 0;
 
     return _node->content.asInteger;
+}
+
+JsonValue::operator JsonObject() const
+{
+    return JsonObject(_node);
 }

srcs/JsonValue.h

@@ -1,12 +1,16 @@
 #pragma once
 
 struct JsonNode;
-//class JsonBuffer;
 
 class JsonValue
 {
 public:
     
+    explicit JsonValue()
+        : _node(0)
+    {
+    }
+
     explicit JsonValue(JsonNode* node)
         : _node(node)
     {
@@ -16,14 +20,15 @@ public:
     void operator=(const char*);
     void operator=(double);
     void operator=(int);
-
+    void operator=(const JsonObject&);
+    
     operator bool() const;
     operator const char*() const;
     operator double() const;
     operator int() const;
+    operator JsonObject() const;
 
 private:
-    //JsonBuffer& _buffer;
     JsonNode* _node;
 };
 

tests/JsonObjectTests.cpp

@@ -66,4 +66,16 @@ TEST_F(JsonObjectTests, CanStoreStrings)
 
     EXPECT_STREQ("h3110", (const char*) object["hello"]);
     EXPECT_STREQ("w0r1d", (const char*) object["world"]);
+}
+
+TEST_F(JsonObjectTests, CanStoreInnerObjects)
+{
+    JsonObject innerObject1 = json.createObject();
+    JsonObject innerObject2 = json.createObject();
+
+    object["hello"] = innerObject1;
+    object["world"] = innerObject2;
+
+    EXPECT_EQ(innerObject1, (JsonObject) object["hello"]);
+    EXPECT_EQ(innerObject2, (JsonObject) object["world"]);
 }

tests/JsonValueTests.cpp

@@ -0,0 +1,58 @@
+#include <gtest/gtest.h>
+#include <StaticJsonBuffer.h>
+#include <JsonValue.h>
+
+class JsonValueTests : public ::testing::Test
+{
+protected:
+    virtual void SetUp()
+    {
+        jsonValue = json.createValue();
+    }
+
+    StaticJsonBuffer<42> json;
+    JsonValue jsonValue;
+};
+
+
+TEST_F(JsonValueTests, CanStoreInteger)
+{
+    jsonValue = 123;
+
+    EXPECT_EQ(123, (int) jsonValue);
+}
+
+TEST_F(JsonValueTests, CanStoreDouble)
+{
+    jsonValue = 123.45;
+
+    EXPECT_EQ(123.45, (double) jsonValue);
+}
+
+TEST_F(JsonValueTests, CanStoreTrue)
+{
+    jsonValue = true;
+    EXPECT_TRUE((bool) jsonValue);
+}
+
+TEST_F(JsonValueTests, CanStoreFalse)
+{
+    jsonValue = false;
+    EXPECT_FALSE((bool) jsonValue);
+}
+
+TEST_F(JsonValueTests, CanStoreString)
+{
+    jsonValue = "hello";
+ 
+    EXPECT_STREQ("hello", (const char*) jsonValue);
+}
+
+TEST_F(JsonValueTests, CanStoreObject)
+{
+    JsonObject innerObject1 = json.createObject();
+
+    jsonValue = innerObject1;
+
+    EXPECT_EQ(innerObject1, (JsonObject) jsonValue);
+}

tests/tests.vcxproj

@@ -86,6 +86,7 @@
     <ClCompile Include="..\third-party\gtest-1.7.0\src\gtest-all.cc" />
     <ClCompile Include="..\third-party\gtest-1.7.0\src\gtest_main.cc" />
     <ClCompile Include="JsonObjectTests.cpp" />
+    <ClCompile Include="JsonValueTests.cpp" />
     <ClCompile Include="StaticJsonBufferTests.cpp" />
   </ItemGroup>
   <ItemGroup>

tests/tests.vcxproj.filters

@@ -30,5 +30,8 @@
     <ClCompile Include="JsonObjectTests.cpp">
       <Filter>Source Files</Filter>
     </ClCompile>
+    <ClCompile Include="JsonValueTests.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>