Changed unit testing framework from Google Test to Catch

test/DynamicJsonBuffer/strdup.cpp

@@ -0,0 +1,26 @@
+// Copyright Benoit Blanchon 2014-2017
+// MIT License
+//
+// Arduino JSON library
+// https://bblanchon.github.io/ArduinoJson/
+// If you like this project, please add a star!
+
+#include <ArduinoJson.h>
+#include <catch.hpp>
+
+TEST_CASE("DynamicJsonBuffer::strdup()") {
+  DynamicJsonBuffer buffer;
+
+  SECTION("Should return a copy") {
+    char original[] = "hello";
+    char* copy = buffer.strdup(original);
+    strcpy(original, "world");
+    REQUIRE(std::string("hello") == copy);
+  }
+
+  SECTION("Given NULL, return NULL") {
+    const char* original = NULL;
+    char* copy = buffer.strdup(original);
+    REQUIRE(0 == copy);
+  }
+}