Added tests and gtest support

include/jwt/impl/jwt.ipp

@@ -8,7 +8,7 @@ namespace jwt {
 
 /**
  */
-static void jwt_throw_exception(const std::error_code& ec);
+static inline void jwt_throw_exception(const std::error_code& ec);
 
 template <typename T, typename Cond>
 std::string to_json_str(const T& obj, bool pretty)

tests/compile.txt

@@ -0,0 +1 @@
+ g++ -std=c++14 -I /usr/local/Cellar/openssl/1.0.2j/include/ -I /Users/amuralid/dev_test/cpp-jwt/include/ -o test_jwt_encode test_jwt_encode.cc -L /usr/local/Cellar//openssl/1.0.2j/lib/ -lssl -lcrypto -lgtest

tests/test_jwt_encode.cc

@@ -0,0 +1,36 @@
+#include <iostream>
+#include "gtest/gtest.h"
+#include "jwt/jwt.hpp"
+
+TEST (EncodeTest, Mytest1)
+{
+  using namespace jwt::params;
+
+  const std::string expected_sign = 
+   "eyJhbGciOiJIUzI1NiIsInR5cCI6IkpXVCJ9."
+   "eyJpYXQiOjE1MTM4NjIzNzEsImlkIjoiYS1iLWMtZC1lLWYtMS0yLTMiLCJpc3MiOiJhcnVuLm11cmFsaWRoYXJhbiIsInN1YiI6ImFkbWluIn0."
+   "jk7bRQKTLvs1RcuvMc2B_rt6WBYPoVPirYi_QRBPiuk";
+
+  jwt::jwt_object obj{algorithm("hs256"), secret("secret")};
+
+  obj.add_claim("iss", "arun.muralidharan")
+     .add_claim("sub", "admin")
+     .add_claim("id", "a-b-c-d-e-f-1-2-3")
+     .add_claim("iat", 1513862371)
+     ;
+
+  std::cout << "Header: " << obj.header() << std::endl;
+  std::cout << "Payload: "<< obj.payload() << std::endl;
+
+  std::string enc_str = obj.signature();
+
+  std::cout << "Signature: " << enc_str << std::endl;
+
+  EXPECT_EQ (enc_str, expected_sign);
+}
+
+int main(int argc, char **argv) 
+{
+  ::testing::InitGoogleTest(&argc, argv);
+  return RUN_ALL_TESTS();
+}