text: // The MIT License (MIT)
  //
  // Copyright (c) 2016 Artur Troian
  //
  // Permission is hereby granted, free of charge, to any person obtaining a copy
  // of this software and associated documentation files (the "Software"), to deal
  // in the Software without restriction, including without limitation the rights
  // to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
  // copies of the Software, and to permit persons to whom the Software is
  // furnished to do so, subject to the following conditions:
  //
  // The above copyright notice and this permission notice shall be included in all
  // copies or substantial portions of the Software.
  //
  // THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  // IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  // FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
  // AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  // LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  // OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
  // SOFTWARE.
  
  #include <gtest/gtest.h>
  
  #include <algorithm>
  #include <random>
  #include <functional>
  
  #include <josepp/header.hpp>
  
  TEST(JosePP, header_decode_valid) {
  	EXPECT_NO_THROW(jose::hdr("{\"typ\":\"JWT\",\"alg\":\"RS256\"}"));
  
  	EXPECT_THROW(jose::hdr("{\"typ\":\"Jwt\",\"alg\":\"RS256\"}"), std::exception);
  	EXPECT_THROW(jose::hdr("{,\"alg\":\"RS256\"}"), std::exception);
  	EXPECT_THROW(jose::hdr("{\"alg\":\"RS256\"}"), std::exception);
  	EXPECT_THROW(jose::hdr("{\"alg\":\"BB6\"}"), std::exception);
  }
  
  TEST(JosePP, header_decode_invalid_typ) {
  	EXPECT_THROW(jose::hdr("{\"typ\":\"Jwt\",\"alg\":\"RS256\"}"), std::exception);
  }
  
  TEST(JosePP, header_invalid_json) {
  	EXPECT_THROW(jose::hdr("{,\"alg\":\"RS256\"}"), std::exception);
  }
  
  
  TEST(JosePP, header_no_typ) {
  	EXPECT_THROW(jose::hdr("{\"alg\":\"RS256\"}"), std::exception);
  }
  
  TEST(JosePP, header_no_alg) {
  	EXPECT_THROW(jose::hdr("{\"typ\":\"JWT\"}"), std::exception);
  }
  
  TEST(JosePP, header_invalid_alg) {
  	EXPECT_THROW(jose::hdr("{\"typ\":\"JWT\",\"alg\":\"BBs\"}"), std::exception);
  }
  