Wandbox: upgrade to GCC 5.5.0

Ported from 6b4dd3ff2f

CHANGELOG.md

@@ -1,6 +1,11 @@
 ArduinoJson: change log
 =======================
 
+HEAD
+----
+
+* Fix compatibility with the Blynk libary (issue #1914)
+
 v6.21.2 (2023-04-12)
 -------
 

examples/JsonFilterExample/JsonFilterExample.ino

@@ -14,7 +14,7 @@ void setup() {
   while (!Serial) continue;
 
   // The huge input: an extract from OpenWeatherMap response
-  const __FlashStringHelper* input_json = F(
+  auto input_json = F(
       "{\"cod\":\"200\",\"message\":0,\"list\":[{\"dt\":1581498000,\"main\":{"
       "\"temp\":3.23,\"feels_like\":-3.63,\"temp_min\":3.23,\"temp_max\":4.62,"
       "\"pressure\":1014,\"sea_level\":1014,\"grnd_level\":1010,\"humidity\":"

extras/scripts/publish.sh

@@ -46,6 +46,7 @@ update_version_in_source () {
 		-e "s/ARDUINOJSON_VERSION_MAJOR .*$/ARDUINOJSON_VERSION_MAJOR $MAJOR/" \
 		-e "s/ARDUINOJSON_VERSION_MINOR .*$/ARDUINOJSON_VERSION_MINOR $MINOR/" \
 		-e "s/ARDUINOJSON_VERSION_REVISION .*$/ARDUINOJSON_VERSION_REVISION $REVISION/" \
+		-e "s/ARDUINOJSON_VERSION_MACRO .*$/ARDUINOJSON_VERSION_MACRO V$MAJOR$MINOR$REVISION/" \
 		src/ArduinoJson/version.hpp
 	rm src/ArduinoJson/version.hpp*~
 }

extras/scripts/wandbox/publish.sh

@@ -14,8 +14,8 @@ compile() {
 {
   "code":$(read_string "$FILE_PATH"),
   "codes": [{"file":"ArduinoJson.h","code":$(read_string "$ARDUINOJSON_H")}],
-  "options": "warning",
-  "compiler": "gcc-4.9.4",
+  "options": "warning,c++11",
+  "compiler": "gcc-5.5.0",
   "save": true
 }
 END

extras/tests/JsonVariant/converters.cpp

@@ -152,3 +152,16 @@ TEST_CASE("ConverterNeedsWriteableRef") {
   CHECK(ConverterNeedsWriteableRef<JsonArray>::value == true);
   CHECK(ConverterNeedsWriteableRef<JsonArrayConst>::value == false);
 }
+
+namespace ArduinoJson {
+void convertToJson(char c, JsonVariant var) {
+  char buf[] = {c, 0};
+  var.set(buf);
+}
+}  // namespace ArduinoJson
+
+TEST_CASE("Convert char to string") {  // issue #1922
+  StaticJsonDocument<64> doc;
+  doc.set('a');
+  REQUIRE(doc.as<std::string>() == "a");
+}

extras/tests/Misc/conflicts.cpp

@@ -55,5 +55,8 @@
 // issue #1905
 #define _current
 
+// issue #1914
+#define V6 6
+
 // catch.hpp mutes several warnings, this file also allows to detect them
 #include "ArduinoJson.h"

src/ArduinoJson/Namespace.hpp

@@ -12,9 +12,7 @@
 
 #  define ARDUINOJSON_VERSION_NAMESPACE                                       \
     ARDUINOJSON_CONCAT3(                                                      \
-        ARDUINOJSON_CONCAT4(V, ARDUINOJSON_VERSION_MAJOR,                     \
-                            ARDUINOJSON_VERSION_MINOR,                        \
-                            ARDUINOJSON_VERSION_REVISION),                    \
+        ARDUINOJSON_VERSION_MACRO,                                            \
         ARDUINOJSON_BIN2ALPHA(                                                \
             ARDUINOJSON_ENABLE_PROGMEM, ARDUINOJSON_USE_LONG_LONG,            \
             ARDUINOJSON_USE_DOUBLE, ARDUINOJSON_ENABLE_STRING_DEDUPLICATION), \

src/ArduinoJson/Polyfills/preprocessor.hpp

@@ -8,8 +8,6 @@
 #define ARDUINOJSON_CONCAT2(A, B) ARDUINOJSON_CONCAT_(A, B)
 #define ARDUINOJSON_CONCAT3(A, B, C) \
   ARDUINOJSON_CONCAT2(ARDUINOJSON_CONCAT2(A, B), C)
-#define ARDUINOJSON_CONCAT4(A, B, C, D) \
-  ARDUINOJSON_CONCAT2(ARDUINOJSON_CONCAT2(A, B), ARDUINOJSON_CONCAT2(C, D))
 
 #define ARDUINOJSON_BIN2ALPHA_0000() A
 #define ARDUINOJSON_BIN2ALPHA_0001() B

src/ArduinoJson/version.hpp

@@ -8,3 +8,4 @@
 #define ARDUINOJSON_VERSION_MAJOR 6
 #define ARDUINOJSON_VERSION_MINOR 21
 #define ARDUINOJSON_VERSION_REVISION 2
+#define ARDUINOJSON_VERSION_MACRO V6212