merged #111

README.md

@@ -373,6 +373,7 @@ I deeply appreciate the help of the following people.
 - [易思龙](https://github.com/likebeta) implemented a conversion from anonymous enums.
 - [kepkin](https://github.com/kepkin) patiently pushed forward the support for Microsoft Visual studio.
 - [gregmarr](https://github.com/gregmarr) simplified the implementation of reverse iterators.
+- [Caio Luppi](https://github.com/caiovlp) fixed a bug in the Unicode handling.
 
 Thanks a lot for helping out!
 

src/json.hpp

@@ -4692,6 +4692,8 @@ class basic_json
                         // print character c as \uxxxx
                         sprintf(&result[pos + 1], "u%04x", int(c));
                         pos += 6;
+                        // overwrite trailing null character
+                        result[pos] = '\\';
                     }
                     else
                     {

src/json.hpp.re2c

@@ -4692,6 +4692,8 @@ class basic_json
                         // print character c as \uxxxx
                         sprintf(&result[pos + 1], "u%04x", int(c));
                         pos += 6;
+                        // overwrite trailing null character
+                        result[pos] = '\\';
                     }
                     else
                     {

test/unit.cpp

@@ -10194,4 +10194,12 @@ TEST_CASE("regression tests")
         // hexadecimal "a"
         CHECK(j.dump() == "{\"binary string\":\"\\u0000asdf\\n\",\"int64\":10}");
     }
+
+    SECTION("issue #111 - subsequent unicode chars")
+    {
+        std::string bytes{0x7, 0x7};
+        json j;
+        j["string"] = bytes;
+        CHECK(j["string"] == "\u0007\u0007");
+    }
 }