Test an object with comma, quote and column in the value

JsonGenerator/IndentedPrintDecorator.cpp

@@ -11,33 +11,50 @@ size_t IndentedPrintDecorator::write(uint8_t c)
     {
     case '{':
         indent++;
-        emptyBlock = true;
+        previousChar = c;
         return sink.write(c);
 
     case '}':
         indent--;
 
-        if (emptyBlock)
+        if (previousChar == '{')
+        {
+            previousChar = c;
+            return sink.write(c);
+        }
+        else
+        {
+            previousChar = c;
+            return writeln() + sink.write(c);
+        }
+        
+    case ',':
+        previousChar = c;
+        if (isInAString)
         {
             return sink.write(c);
         }
         else
         {
-            return writeln() + sink.write(c);
+            return sink.write(c) + writeln();
         }
 
-    case ',':
-        return sink.write(c) + writeln();
+    case '\"':
+        if (previousChar != '\\')
+        {
+            isInAString = !isInAString;
+        }
 
     default:
 
-        if (emptyBlock)
+        if (previousChar == '{')
         {
-            emptyBlock = false;
+            previousChar = c;
             return writeln() + sink.write(c);
         }
         else
         {
+            previousChar = c;
             return sink.write(c);
         }
     }

JsonGenerator/IndentedPrintDecorator.h

@@ -13,16 +13,19 @@ class IndentedPrintDecorator : public Print
 public:
 
     IndentedPrintDecorator(Print& p)
-        : indent(0), sink(p), emptyBlock(false)
+        : indent(0), sink(p)
     {
+        previousChar = 0;
+        isInAString = false;
     }
 
     virtual size_t write(uint8_t);
 
 private:
     int indent;
-    bool emptyBlock;
+    uint8_t previousChar;
     Print& sink;
+    bool isInAString;
 
     size_t writeln();
 };

JsonGeneratorTests/IntentedPrintTests.cpp

@@ -56,6 +56,15 @@ namespace JsonGeneratorTests
                 "}");
         }
 
+        TEST_METHOD(ObjectTrickyCharacters)
+        {
+            whenInputIs("{\"key\":\":\\\"',\"}");
+            outputMustBe(
+                "{\n"
+                " \"key\":\":\\\"',\"\n"
+                "}");
+        }
+
     private:
 
         void whenInputIs(const char input[])