test/qcbor_encode_tests.c

/*==============================================================================
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/*==============================================================================
 Modifications beyond the version released on CAF are under the MIT license:
 
 Copyright 2018 Laurence Lundblade
 
 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 "qcbor.h"
#include "qcbor_encode_tests.h"
#include <strings.h>
#include <stdlib.h>



// TODO: -- test on a 32-bit machine)

// TODO: test QCBOR_MAX_ITEMS_IN_ARRAY (this is very large...)

#ifdef PRINT_FUNCTIONS_FOR_DEBUGGINGXX
#include <stdio.h>

// ifdef these out to not have compiler warnings
static void printencoded(const uint8_t *pEncoded, size_t nLen)
{
   int i;
   for(i = 0; i < nLen; i++) {
      uint8_t Z = pEncoded[i];
      printf("%02x ", Z);
   }
   printf("\n");

   fflush(stdout);
}


#include <stdio.h>

int Compare(UsefulBufC U1, UsefulBufC U2) {
   int i;
   for(i = 0; i < U1.len; i++) {
      if(((uint8_t *)U1.ptr)[i] != ((uint8_t *)U2.ptr)[i]) {
         printf("%d 0x%x 0x%x\n", i, ((uint8_t *)U1.ptr)[i], ((uint8_t *)U2.ptr)[i]);
         return 1;
      }
   }
   return 0;
   
}
#endif



#define CheckResults(Enc, Expected) \
   UsefulBuf_Compare(Enc, (UsefulBufC){Expected, sizeof(Expected)})

//#define CheckResults(Enc, Expected) \
//   Compare(Enc, (UsefulBufC){Expected, sizeof(Expected)})



/*
 Some very minimal tests.
 */
int basic_encode_test()
{
   // Very simple CBOR, a map with one boolean that is true in it
   UsefulBuf_MakeStackUB(MemoryForEncoded, 100);
   QCBOREncodeContext EC;
   
   QCBOREncode_Init(&EC, MemoryForEncoded);
   
   QCBOREncode_OpenMap(&EC);
   QCBOREncode_AddBoolToMapN(&EC, 66, true);
   QCBOREncode_CloseMap(&EC);
   
   UsefulBufC Encoded;
   if(QCBOREncode_Finish2(&EC, &Encoded)) {
      return -3;
   }
   
   
   // Decode it and see that is right
   QCBORDecodeContext DC;
   QCBORItem Item;
   QCBORDecode_Init(&DC, Encoded, QCBOR_DECODE_MODE_NORMAL);
   
   QCBORDecode_GetNext(&DC, &Item);
   if(Item.uDataType != QCBOR_TYPE_MAP) {
      return -1;
   }
   
   QCBORDecode_GetNext(&DC, &Item);
   if(Item.uDataType != QCBOR_TYPE_TRUE) {
      return -1;
   }
   
   if(QCBORDecode_Finish(&DC)) {
      return -2;
   }
   
   
   // Make another encoded message with the CBOR from the previous put into this one
   UsefulBuf_MakeStackUB(MemoryForEncoded2, 100);
   QCBOREncode_Init(&EC, MemoryForEncoded2);
   QCBOREncode_OpenArray(&EC);
   QCBOREncode_AddUInt64(&EC, 451);
   QCBOREncode_AddEncoded(&EC, Encoded);
   QCBOREncode_OpenMap(&EC);
   QCBOREncode_AddEncodedToMapN(&EC, -70000, Encoded);
   QCBOREncode_CloseMap(&EC);
   QCBOREncode_CloseArray(&EC);
   
   UsefulBufC Encoded2;
   if(QCBOREncode_Finish2(&EC, &Encoded2)) {
      return -3;
   }
    /*
     [                // 0    1:3
        451,          // 1    1:2
        {             // 1    1:2   2:1
          66: true    // 2    1:1
        },
        {             // 1    1:1   2:1
          -70000: {   // 2    1:1   2:1   3:1
            66: true  // 3    XXXXXX
          }
        }
     ]
     
     
     
      83                # array(3)
         19 01C3        # unsigned(451)
         A1             # map(1)
            18 42       # unsigned(66)
            F5          # primitive(21)
         A1             # map(1)
            3A 0001116F # negative(69999)
            A1          # map(1)
               18 42    # unsigned(66)
               F5       # primitive(21)
     */
   
   // Decode it and see if it is OK
   QCBORDecode_Init(&DC, Encoded2, QCBOR_DECODE_MODE_NORMAL);
   
   // 0    1:3
   QCBORDecode_GetNext(&DC, &Item);
   if(Item.uDataType != QCBOR_TYPE_ARRAY || Item.val.uCount != 3) {
      return -1;
   }
   
   // 1    1:2
   QCBORDecode_GetNext(&DC, &Item);
   if(Item.uDataType != QCBOR_TYPE_INT64 || Item.val.uint64 != 451) {
      return -1;
   }
   
   // 1    1:2   2:1
   QCBORDecode_GetNext(&DC, &Item);
   if(Item.uDataType != QCBOR_TYPE_MAP || Item.val.uCount != 1) {
      return -1;
   }
   
   // 2    1:1
   QCBORDecode_GetNext(&DC, &Item);
   if(Item.uDataType != QCBOR_TYPE_TRUE) {
      return -1;
   }
   
   // 1    1:1   2:1
   QCBORDecode_GetNext(&DC, &Item);
   if(Item.uDataType != QCBOR_TYPE_MAP || Item.val.uCount != 1) {
      return -1;
   }
   
   // 2    1:1   2:1   3:1
   QCBORDecode_GetNext(&DC, &Item);
   if(Item.uDataType != QCBOR_TYPE_MAP || Item.val.uCount != 1 || Item.uLabelType != QCBOR_TYPE_INT64 || Item.label.int64 != -70000) {
      return -1;
   }
   
   // 3    XXXXXX
   QCBORDecode_GetNext(&DC, &Item);
   if(Item.uDataType != QCBOR_TYPE_TRUE || Item.uLabelType != QCBOR_TYPE_INT64 || Item.label.int64 != 66) {
      return -1;
   }
   
   if(QCBORDecode_Finish(&DC)) {
      return -2;
   }
   
   return 0;
}



static const uint8_t pExpectedEncodedAll[] = {
   
 0x98, 0x29, 0x66, 0x55, 0x49, 0x4e, 0x54, 0x36, 0x32, 0xd8,
 0x64, 0x1a, 0x05, 0x5d, 0x23, 0x15, 0x65, 0x49, 0x4e, 0x54,
 0x36, 0x34, 0xd8, 0x4c, 0x1b, 0x00, 0x00, 0x00, 0x12, 0x16,
 0xaf, 0x2b, 0x15, 0x00, 0x38, 0x2b, 0xa4, 0x63, 0x4c, 0x42,
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 0x4c, 0x4f, 0x4e, 0x47, 0x3b, 0x00, 0x00, 0x02, 0x2d, 0x9a,
 0xc6, 0x94, 0x55, 0x3a, 0x05, 0xf5, 0xe0, 0xff, 0x3a, 0x2f,
 0xaf, 0x07, 0xff, 0x65, 0x4a, 0x61, 0x69, 0x6d, 0x65, 0xd8,
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 0x44, 0x8c, 0x06, 0xd8, 0x58, 0xf8, 0xff, 0x18, 0x59, 0xd8,
 0x58, 0xf3, 0xd8, 0x25, 0x50, 0x53, 0x4d, 0x41, 0x52, 0x54,
 0x43, 0x53, 0x4c, 0x54, 0x54, 0x43, 0x46, 0x49, 0x43, 0x41,
 0x32, 0xa2, 0x64, 0x55, 0x55, 0x55, 0x55, 0xd8, 0x25, 0x50,
 0x53, 0x4d, 0x41, 0x52, 0x54, 0x43, 0x53, 0x4c, 0x54, 0x54,
 0x43, 0x46, 0x49, 0x43, 0x41, 0x32, 0x18, 0x63, 0xd8, 0x25,
 0x50, 0x53, 0x4d, 0x41, 0x52, 0x54, 0x43, 0x53, 0x4c, 0x54,
 0x54, 0x43, 0x46, 0x49, 0x43, 0x41, 0x32, 0xf5, 0xf4, 0xa2,
 0x71, 0x47, 0x65, 0x6f, 0x72, 0x67, 0x65, 0x20, 0x69, 0x73,
 0x20, 0x74, 0x68, 0x65, 0x20, 0x6d, 0x61, 0x6e, 0xf5, 0x19,
 0x10, 0x41, 0xf5, 0xC2, 0x49, 0x01, 0x00, 0x00, 0x00, 0x00,
 0x00, 0x00, 0x00, 0x00, 0xC3, 0x49, 0x01, 0x00, 0x00, 0x00,
 0x00, 0x00, 0x00, 0x00, 0x00, 0xA4, 0x63, 0x42, 0x4E, 0x2B,
 0xC2, 0x49, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x00, 0x18, 0x40, 0xC2, 0x49, 0x01, 0x00, 0x00, 0x00, 0x00,
 0x00, 0x00, 0x00, 0x00, 0x63, 0x42, 0x4E, 0x2D, 0xC3, 0x49,
 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x38,
 0x3F, 0xC3, 0x49, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
 0x00, 0x00
};


static const char *szMIME = "\
MIME-Version: 1.0\n\
Content-Type: multipart/mixed;\n\
boundary=\"XXXXboundary text\"\n\
\n\
This is a multipart message in MIME format.\n\
\n\
--XXXXboundary text\n\
Content-Type: text/plain\n\
\n\
this is the body text\n\
\n\
--XXXXboundary text\n\
Content-Type: text/plain;\n\
Content-Disposition: attachment;\n\
filename=\"test.txt\"\n\
\n\
this is the attachment text\n\
\n\
--XXXXboundary text--";


int AllAddMethodsTest()
{
   QCBOREncodeContext ECtx;
   int nReturn = 0;
   
   uint8_t pEncoded[3000];
   size_t nEncodedLen = sizeof(pEncoded);
   
   QCBOREncode_Init(&ECtx, (UsefulBuf){pEncoded, nEncodedLen});
   
   QCBOREncode_OpenArray(&ECtx);

   // Non-map ints
   // QCBOREncode_AddUInt64_3(&ECtx, "UINT62", QCBOR_NO_INT_LABEL, 100, 89989909); TODO: fix these tests
   //QCBOREncode_AddInt64_3(&ECtx, "INT64", QCBOR_NO_INT_LABEL, 76, 77689989909);
   QCBOREncode_AddUInt64(&ECtx,0);
   QCBOREncode_AddInt64(&ECtx, -44);

   // ints that go in maps
   QCBOREncode_OpenMap(&ECtx);
   QCBOREncode_AddUInt64ToMap(&ECtx, "LBL", 77);
   QCBOREncode_AddUInt64ToMapN(&ECtx, -4, 88);
   QCBOREncode_AddInt64ToMap(&ECtx, "NEGLBLTHAT IS KIND OF LONG", -2394893489238);
   QCBOREncode_AddInt64ToMapN(&ECtx, -100000000, -800000000);
   QCBOREncode_CloseMap(&ECtx);

   // floats and doubles
   QCBOREncode_AddFloat_3(&ECtx, "Jaime", QCBOR_NO_INT_LABEL, 88, 3.14159);
   QCBOREncode_AddDouble_3(&ECtx, "Street", QCBOR_NO_INT_LABEL, 99, 8.654309);
   QCBOREncode_AddFloat(&ECtx, 1);
   QCBOREncode_AddDouble(&ECtx, 1);

   // floats and doubles that go in map
   QCBOREncode_OpenMap(&ECtx);
   QCBOREncode_AddFloatToMap(&ECtx, "foo", 4887);
   QCBOREncode_AddFloatToMapN(&ECtx, -999, 999);
   QCBOREncode_AddDoubleToMap(&ECtx, "foofoo", 6544887);
   QCBOREncode_AddDoubleToMapN(&ECtx, -44999, 88999);
   QCBOREncode_CloseMap(&ECtx);
   
   // Epoch Date
   QCBOREncode_AddDateEpoch(&ECtx, 2383748234);
   
   // Epoch date with labels
   QCBOREncode_OpenMap(&ECtx);
   QCBOREncode_AddDateEpoch_2(&ECtx, "LongLiveDenisRitchie", QCBOR_NO_INT_LABEL, 1400000000);
   QCBOREncode_AddDateEpochToMap(&ECtx, "time()", 1477263730);
   QCBOREncode_AddDateEpochToMapN(&ECtx, -1969, 1477263222);
   QCBOREncode_CloseMap(&ECtx);
   
   // Binary blobs
   QCBOREncode_AddBytes(&ECtx, ((UsefulBufC) {(uint8_t []){0xff, 0x00}, 2}));

   // binary blobs in maps
   QCBOREncode_OpenMap(&ECtx);
   QCBOREncode_AddBytes_3(&ECtx, "binbin", QCBOR_NO_INT_LABEL, 100000, ((UsefulBufC) {(uint8_t []){0x00}, 1}));
   QCBOREncode_AddBytesToMap(&ECtx, "blabel", ((UsefulBufC){(uint8_t []){0x01, 0x02, 0x03}, 3}));
   QCBOREncode_AddBytesToMapN(&ECtx, 0, ((UsefulBufC){(uint8_t []){0x04, 0x02, 0x03, 0xfe}, 4}));
   QCBOREncode_CloseMap(&ECtx);
   
   // text blobs
   QCBOREncode_AddText(&ECtx, SZLiteralToUsefulBufC("bar bar foo bar"));
   QCBOREncode_AddSZString(&ECtx, "oof\n");
   QCBOREncode_AddURI(&ECtx, SZLiteralToUsefulBufC("http://stackoverflow.com/questions/28059697/how-do-i-toggle-between-debug-and-release-builds-in-xcode-6-7-8"));
   QCBOREncode_AddB64Text(&ECtx, SZLiteralToUsefulBufC("YW55IGNhcm5hbCBwbGVhc3VyZQ=="));
   QCBOREncode_AddRegex(&ECtx, SZLiteralToUsefulBufC("[^abc]+"));
   QCBOREncode_AddMIMEData(&ECtx, UsefulBuf_FromSZ(szMIME));
   
   // text blobs in maps
   QCBOREncode_OpenMap(&ECtx);
   QCBOREncode_AddTextToMap(&ECtx, "#####", SZLiteralToUsefulBufC("foo bar foo foo"));
   QCBOREncode_AddText_3(&ECtx, "____", QCBOR_NO_INT_LABEL, CBOR_TAG_NONE, SZLiteralToUsefulBufC("foo bar"));
   QCBOREncode_AddSZString_3(&ECtx, "()()()", QCBOR_NO_INT_LABEL, 1000, "rab rab oof");
   QCBOREncode_AddTextToMapN(&ECtx,22, SZLiteralToUsefulBufC("foo foo foo foo"));
   QCBOREncode_AddSZStringToMap(&ECtx, "^^", "oooooooof");
   QCBOREncode_AddSZStringToMapN(&ECtx, 99, "ffffoooooooof");
   QCBOREncode_AddURIToMap(&ECtx, "RFC", SZLiteralToUsefulBufC("https://tools.ietf.org/html/rfc7049#section-2.4.5"));
   QCBOREncode_AddURIToMapN(&ECtx, 0x89, SZLiteralToUsefulBufC("http://cbor.me/"));
   QCBOREncode_AddB64TextToMap(&ECtx, "whenim64", SZLiteralToUsefulBufC("cGxlYXN1cmUu"));
   QCBOREncode_AddB64TextToMapN(&ECtx, 64, SZLiteralToUsefulBufC("c3VyZS4="));
   QCBOREncode_AddRegexToMap(&ECtx, "popo", SZLiteralToUsefulBufC("100\\s*mk")); //   x code string literal bug
   QCBOREncode_AddRegexToMapN(&ECtx, -51, SZLiteralToUsefulBufC("perl\\B"));  //   x code string literal bug
   QCBOREncode_AddMIMEDataToMap(&ECtx, "Ned", UsefulBuf_FromSZ(szMIME));
   QCBOREncode_AddMIMEDataToMapN(&ECtx, 10, UsefulBuf_FromSZ(szMIME));
   QCBOREncode_CloseMap(&ECtx);

   // Date strings
   QCBOREncode_AddDateString(&ECtx, "2003-12-13T18:30:02Z");
   QCBOREncode_OpenMap(&ECtx);
   QCBOREncode_AddDateStringToMap(&ECtx, "Bed time", "2003-12-13T18:30:02.25+01:00");
   QCBOREncode_AddDateStringToMapN(&ECtx, 88, "2003-12-13T18:30:02.25+01:00");
   QCBOREncode_CloseMap(&ECtx);
   
   // true / false ...
   QCBOREncode_AddSimple(&ECtx, CBOR_SIMPLEV_UNDEF);
   QCBOREncode_OpenMap(&ECtx);
   QCBOREncode_AddSimple_3(&ECtx, "dare", QCBOR_NO_INT_LABEL, 66, CBOR_SIMPLEV_TRUE);
   QCBOREncode_AddSimpleToMap(&ECtx, "uu", CBOR_SIMPLEV_FALSE);
   QCBOREncode_AddSimpleToMapN(&ECtx, 737634, CBOR_SIMPLEV_NULL);
   QCBOREncode_CloseMap(&ECtx);
   
   // opening an array
   QCBOREncode_OpenArray(&ECtx);
   QCBOREncode_CloseArray(&ECtx);

   // opening arrays in a map
   QCBOREncode_OpenMap(&ECtx);
   QCBOREncode_OpenArray_3(&ECtx, "label and tagged empty array", QCBOR_NO_INT_LABEL, 1093);
   QCBOREncode_CloseArray(&ECtx);
   QCBOREncode_OpenArrayInMap(&ECtx, "alabl");
   QCBOREncode_CloseArray(&ECtx);
   QCBOREncode_OpenArrayInMapN(&ECtx, 42);
   QCBOREncode_CloseArray(&ECtx); 
   QCBOREncode_CloseMap(&ECtx);
   
   // opening maps with labels and tagging
   QCBOREncode_OpenMap(&ECtx);
   QCBOREncode_OpenMapInMap(&ECtx, "in a map");
   QCBOREncode_OpenMapInMapN(&ECtx, 5556);
   QCBOREncode_OpenMap_3(&ECtx, "in a in a in a", QCBOR_NO_INT_LABEL, 9087);
   QCBOREncode_CloseMap(&ECtx);
   QCBOREncode_CloseMap(&ECtx);
   QCBOREncode_CloseMap(&ECtx);
   QCBOREncode_CloseMap(&ECtx);
   
   // Extended simple values (these are not standard...)
   QCBOREncode_OpenMap(&ECtx);
   QCBOREncode_AddRawSimple_3(&ECtx, "s1", QCBOR_NO_INT_LABEL, 88, 255);
   QCBOREncode_AddRawSimple_3(&ECtx, "s2", QCBOR_NO_INT_LABEL, CBOR_TAG_NONE, 0);
   QCBOREncode_AddRawSimple_3(&ECtx, "s3", QCBOR_NO_INT_LABEL, 88, 33);
   QCBOREncode_AddRawSimple_3(&ECtx, NULL, 88378374, 88, 255);
   QCBOREncode_AddRawSimple_3(&ECtx, NULL, 89, 88, 19);
   QCBOREncode_CloseMap(&ECtx);
   
   
   // UUIDs
   static uint8_t ppppUUID[] = {0x53, 0x4D, 0x41, 0x52, 0x54, 0x43, 0x53, 0x4C, 0x54, 0x54, 0x43, 0x46, 0x49, 0x43, 0x41, 0x32};
   UsefulBufC XXUUID = ByteArrayLiteralToUsefulBufC(ppppUUID);
   QCBOREncode_AddBinaryUUID(&ECtx, XXUUID);
   QCBOREncode_OpenMap(&ECtx);
   QCBOREncode_AddBinaryUUIDToMap(&ECtx, "UUUU", XXUUID);
   QCBOREncode_AddBinaryUUIDToMapN(&ECtx, 99, XXUUID);
   QCBOREncode_CloseMap(&ECtx);
   
   
   // Bool
   QCBOREncode_AddBool(&ECtx, true);
   QCBOREncode_AddBool(&ECtx, false);
   QCBOREncode_OpenMap(&ECtx);
   QCBOREncode_AddBoolToMap(&ECtx, "George is the man", true);
   QCBOREncode_AddBoolToMapN(&ECtx, 010101, true);
   QCBOREncode_CloseMap(&ECtx);


   static uint8_t pBignum[] = {0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
   UsefulBufC BIGNUM = ByteArrayLiteralToUsefulBufC(pBignum);
   QCBOREncode_AddPositiveBignum(&ECtx, BIGNUM);
   QCBOREncode_AddNegativeBignum(&ECtx, BIGNUM);
   QCBOREncode_OpenMap(&ECtx);
   QCBOREncode_AddPositiveBignumToMap(&ECtx, "BN+", BIGNUM);
   QCBOREncode_AddPositiveBignumToMapN(&ECtx, 64, BIGNUM);
   QCBOREncode_AddNegativeBignumToMap(&ECtx, "BN-", BIGNUM);
   QCBOREncode_AddNegativeBignumToMapN(&ECtx, -64, BIGNUM);
   QCBOREncode_CloseMap(&ECtx);
   
   QCBOREncode_CloseArray(&ECtx);

   UsefulBufC Enc;
   
   if(QCBOREncode_Finish2(&ECtx, &Enc)) {
      nReturn = -1;
      goto Done;
   }
   
   //printencodedE(Enc);
   
   if(CheckResults(Enc, pExpectedEncodedAll))
      nReturn = -1;
   
Done:
   return nReturn;
}

// todo -- add a test for counting the top level items and adding it back in with AddRaw()


static const uint8_t pExpectedEncodedInts[] = {
   0x98, 0x2f, 0x3b, 0x7f, 0xff, 0xff, 0xff, 0xff,
   0xff, 0xff, 0xff, 0x3b, 0x00, 0x00, 0x00, 0x01,
   0x00, 0x00, 0x00, 0x00, 0x3a, 0xff, 0xff, 0xff,
   0xff, 0x3a, 0xff, 0xff, 0xff, 0xfe, 0x3a, 0xff,
   0xff, 0xff, 0xfd, 0x3a, 0x7f, 0xff, 0xff, 0xff,
   0x3a, 0x7f, 0xff, 0xff, 0xfe, 0x3a, 0x00, 0x01,
   0x00, 0x01, 0x3a, 0x00, 0x01, 0x00, 0x00, 0x39,
   0xff, 0xff, 0x39, 0xff, 0xfe, 0x39, 0xff, 0xfd,
   0x39, 0x01, 0x00, 0x38, 0xff, 0x38, 0xfe, 0x38,
   0xfd, 0x38, 0x18, 0x37, 0x36, 0x20, 0x00, 0x00,
   0x01, 0x16, 0x17, 0x18, 0x18, 0x18, 0x19, 0x18,
   0x1a, 0x18, 0xfe, 0x18, 0xff, 0x19, 0x01, 0x00,
   0x19, 0x01, 0x01, 0x19, 0xff, 0xfe, 0x19, 0xff,
   0xff, 0x1a, 0x00, 0x01, 0x00, 0x00, 0x1a, 0x00,
   0x01, 0x00, 0x01, 0x1a, 0x00, 0x01, 0x00, 0x02,
   0x1a, 0x7f, 0xff, 0xff, 0xff, 0x1a, 0x7f, 0xff,
   0xff, 0xff, 0x1a, 0x80, 0x00, 0x00, 0x00, 0x1a,
   0x80, 0x00, 0x00, 0x01, 0x1a, 0xff, 0xff, 0xff,
   0xfe, 0x1a, 0xff, 0xff, 0xff, 0xff, 0x1b, 0x00,
   0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x00, 0x1b,
   0x00, 0x00, 0x00, 0x01, 0x00, 0x00, 0x00, 0x01,
   0x1b, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
   0xff, 0x1b, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
   0xff, 0xff};

/*
 
  Test the generation of integers. This also ends up testing
  encoding of all the different lengths. It encodes integers
  of many lengths and values, especially around the boundaries
  for different types of integers.  It compares the output
  to expected values generated from http://cbor.me.
 
 */
int IntegerValuesTest1()
{
   QCBOREncodeContext ECtx;
   int nReturn = 0;
   
   uint8_t pEncoded[1000];
   size_t nEncodedLen = sizeof(pEncoded);
   
   QCBOREncode_Init(&ECtx, (UsefulBuf){pEncoded, nEncodedLen});
   QCBOREncode_OpenArray(&ECtx);

   QCBOREncode_AddInt64(&ECtx, -9223372036854775807LL - 1);
   QCBOREncode_AddInt64(&ECtx, -4294967297);
   QCBOREncode_AddInt64(&ECtx, -4294967296);
   QCBOREncode_AddInt64(&ECtx, -4294967295);
   QCBOREncode_AddInt64(&ECtx, -4294967294);
   QCBOREncode_AddInt64(&ECtx, -2147483648);
   QCBOREncode_AddInt64(&ECtx, -2147483647);
   QCBOREncode_AddInt64(&ECtx, -65538);
   QCBOREncode_AddInt64(&ECtx, -65537);
   QCBOREncode_AddInt64(&ECtx, -65536);
   QCBOREncode_AddInt64(&ECtx, -65535);
   QCBOREncode_AddInt64(&ECtx, -65534);
   QCBOREncode_AddInt64(&ECtx, -257);
   QCBOREncode_AddInt64(&ECtx, -256);
   QCBOREncode_AddInt64(&ECtx, -255);
   QCBOREncode_AddInt64(&ECtx, -254);
   QCBOREncode_AddInt64(&ECtx, -25);
   QCBOREncode_AddInt64(&ECtx, -24);
   QCBOREncode_AddInt64(&ECtx, -23);
   QCBOREncode_AddInt64(&ECtx, -1);
   QCBOREncode_AddInt64(&ECtx, 0);
   QCBOREncode_AddUInt64(&ECtx, 0ULL);
   QCBOREncode_AddInt64(&ECtx, 1);
   QCBOREncode_AddInt64(&ECtx, 22);
   QCBOREncode_AddInt64(&ECtx, 23);
   QCBOREncode_AddInt64(&ECtx, 24);
   QCBOREncode_AddInt64(&ECtx, 25);
   QCBOREncode_AddInt64(&ECtx, 26);
   QCBOREncode_AddInt64(&ECtx, 254);
   QCBOREncode_AddInt64(&ECtx, 255);
   QCBOREncode_AddInt64(&ECtx, 256);
   QCBOREncode_AddInt64(&ECtx, 257);
   QCBOREncode_AddInt64(&ECtx, 65534);
   QCBOREncode_AddInt64(&ECtx, 65535);
   QCBOREncode_AddInt64(&ECtx, 65536);
   QCBOREncode_AddInt64(&ECtx, 65537);
   QCBOREncode_AddInt64(&ECtx, 65538);
   QCBOREncode_AddInt64(&ECtx, 2147483647);
   QCBOREncode_AddInt64(&ECtx, 2147483647);
   QCBOREncode_AddInt64(&ECtx, 2147483648);
   QCBOREncode_AddInt64(&ECtx, 2147483649);
   QCBOREncode_AddInt64(&ECtx, 4294967294);
   QCBOREncode_AddInt64(&ECtx, 4294967295);
   QCBOREncode_AddInt64(&ECtx, 4294967296);
   QCBOREncode_AddInt64(&ECtx, 4294967297);
   QCBOREncode_AddInt64(&ECtx, 9223372036854775807LL);
   QCBOREncode_AddUInt64(&ECtx, 18446744073709551615ULL);
   
   QCBOREncode_CloseArray(&ECtx);
   
   UsefulBufC Enc;
   if(QCBOREncode_Finish2(&ECtx, &Enc)) {
      nReturn = -1;
   }
   
   if(CheckResults(Enc, pExpectedEncodedInts))
     return -1;
   
   if(Enc.len != sizeof(pExpectedEncodedInts) || memcmp(pEncoded, pExpectedEncodedInts, Enc.len))
      nReturn = -1;
   
   //printencoded(pEncoded, nEncodedLen);
   
   return(nReturn);
}



static uint8_t pExpectedEncodedSimple[] = {
   0x85, 0xf5, 0xf4, 0xf6, 0xf7, 0xa1, 0x65, 0x55, 0x4e, 0x44, 0x65, 0x66, 0xf7};


int SimpleValuesTest1()
{
   QCBOREncodeContext ECtx;
   int nReturn = 0;
   
   uint8_t pEncoded[100];
   size_t nEncodedLen = sizeof(pEncoded);
   
   QCBOREncode_Init(&ECtx, (UsefulBuf) {pEncoded, nEncodedLen});
   QCBOREncode_OpenArray(&ECtx);
   
   QCBOREncode_AddSimple(&ECtx, CBOR_SIMPLEV_TRUE);
   QCBOREncode_AddSimple(&ECtx, CBOR_SIMPLEV_FALSE);
   QCBOREncode_AddSimple(&ECtx, CBOR_SIMPLEV_NULL);
   QCBOREncode_AddSimple(&ECtx, CBOR_SIMPLEV_UNDEF);
   
   QCBOREncode_OpenMap(&ECtx);

   QCBOREncode_AddSimpleToMap(&ECtx, "UNDef", CBOR_SIMPLEV_UNDEF);
   QCBOREncode_CloseMap(&ECtx);

   QCBOREncode_CloseArray(&ECtx);
   
   UsefulBufC ECBOR;
   if(QCBOREncode_Finish2(&ECtx, &ECBOR)) {
      nReturn = -1;
   }
   
   if(ECBOR.len != sizeof(pExpectedEncodedSimple) || memcmp(pEncoded, pExpectedEncodedSimple, ECBOR.len))
      nReturn = -1;
   
   // printencoded(pEncoded, nEncodedLen);
   
   return(nReturn);
}



static uint8_t pExpectedEncodedDates[] = {
   0x83, 0xc0, 0x74, 0x32, 0x30, 0x31, 0x33, 0x2d, 0x30, 0x33, 0x2d, 0x32, 0x31, 0x54,
   0x32, 0x30, 0x3a, 0x30, 0x34, 0x3a, 0x30, 0x30,
   0x5a, 0xc1, 0x1a, 0x51, 0x4b, 0x67, 0xb0, 0xa2,
   0x78, 0x19, 0x53, 0x61, 0x6d, 0x70, 0x6c, 0x65,
   0x20, 0x44, 0x61, 0x74, 0x65, 0x20, 0x66, 0x72,
   0x6f, 0x6d, 0x20, 0x52, 0x46, 0x43, 0x20, 0x33,
   0x33, 0x33, 0x39, 0xc0, 0x77, 0x31, 0x39, 0x38,
   0x35, 0x2d, 0x30, 0x34, 0x2d, 0x31, 0x32, 0x54,
   0x32, 0x33, 0x3a, 0x32, 0x30, 0x3a, 0x35, 0x30,
   0x2e, 0x35, 0x32, 0x5a, 0x62, 0x53, 0x44, 0xc1,
   0x19, 0x03, 0xe7
};

int EncodeDateTest()
{
   QCBOREncodeContext ECtx;
   int nReturn = 0;
   
   uint8_t pEncoded[1000];
   size_t nEncodedLen = sizeof(pEncoded);
   
   QCBOREncode_Init(&ECtx, (UsefulBuf){pEncoded, nEncodedLen});
   
   QCBOREncode_OpenArray(&ECtx);

   
   QCBOREncode_AddDateString(&ECtx, "2013-03-21T20:04:00Z"); // from CBOR RFC
   QCBOREncode_AddDateEpoch(&ECtx, 1363896240); // from CBOR RFC

   
   QCBOREncode_OpenMap(&ECtx);

   QCBOREncode_AddDateStringToMap(&ECtx, "Sample Date from RFC 3339", "1985-04-12T23:20:50.52Z");
   
   
   QCBOREncode_AddDateEpochToMap(&ECtx, "SD", 999);
   
   QCBOREncode_CloseMap(&ECtx);
   
   QCBOREncode_CloseArray(&ECtx);

   
   if(QCBOREncode_Finish(&ECtx, &nEncodedLen)) {
      nReturn = -1;
   }
   
   if(nEncodedLen != sizeof(pExpectedEncodedDates) || memcmp(pEncoded, pExpectedEncodedDates, nEncodedLen))
      nReturn = -1;
   
   //printencoded(pEncoded, nEncodedLen);
   
   return(nReturn);
   
}

int ArrayNestingTest1()
{
   QCBOREncodeContext ECtx;
   int i;
   int nReturn = 0;
   
   UsefulBuf_MakeStackUB(Encode, 100);

   QCBOREncode_Init(&ECtx, Encode);
   for(i = QCBOR_MAX_ARRAY_NESTING; i; i--) {
      QCBOREncode_OpenArray(&ECtx);
   }
   for(i = QCBOR_MAX_ARRAY_NESTING; i; i--) {
      QCBOREncode_CloseArray(&ECtx);
   }
   size_t nEncodedLen;
   if(QCBOREncode_Finish(&ECtx, &nEncodedLen)) {
      nReturn = -1;
   }
   //printencoded(pEncoded, nEncodedLen);

   return(nReturn);
}



int ArrayNestingTest2()
{
   QCBOREncodeContext ECtx;
   int i;
   int nReturn = 0;
   
   UsefulBuf_MakeStackUB(Encode, 100);
   
   QCBOREncode_Init(&ECtx, Encode);
   for(i = QCBOR_MAX_ARRAY_NESTING+1; i; i--) {
      QCBOREncode_OpenArray(&ECtx);
   }
   for(i = QCBOR_MAX_ARRAY_NESTING; i; i--) {
      QCBOREncode_CloseArray(&ECtx);
   }
   
   size_t nEncodedLen;
   if(QCBOREncode_Finish(&ECtx, &nEncodedLen) != QCBOR_ERR_ARRAY_NESTING_TOO_DEEP) {
      nReturn = -1;
   }
   
   return(nReturn);
}



int ArrayNestingTest3()
{
   QCBOREncodeContext ECtx;
   int i;
   int nReturn = 0;
   
   UsefulBuf_MakeStackUB(Encode, 100);

   QCBOREncode_Init(&ECtx, Encode);
   for(i = QCBOR_MAX_ARRAY_NESTING; i; i--) {
      QCBOREncode_OpenArray(&ECtx);
   }
   for(i = QCBOR_MAX_ARRAY_NESTING+1 ; i; i--) {
      QCBOREncode_CloseArray(&ECtx);
   }
   size_t nEncodedLen;
   if(QCBOREncode_Finish(&ECtx, &nEncodedLen) != QCBOR_ERR_TOO_MANY_CLOSES) {
      nReturn = -1;
   }
   
   return(nReturn);
}


static uint8_t s_pFiveArrarys[] = {0x81, 0x81, 0x81, 0x81, 0x80};

// Validated at http://cbor.me and by manually examining its output
static uint8_t s_pEncodeRawExpected[] = {
   0x82, 0x81, 0x81, 0x81, 0x81, 0x80, 0x98, 0x2f,
   0x3b, 0x7f, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff,
   0xff, 0x3b, 0x00, 0x00, 0x00, 0x01, 0x00, 0x00,
   0x00, 0x00, 0x3a, 0xff, 0xff, 0xff, 0xff, 0x3a,
   0xff, 0xff, 0xff, 0xfe, 0x3a, 0xff, 0xff, 0xff,
   0xfd, 0x3a, 0x7f, 0xff, 0xff, 0xff, 0x3a, 0x7f,
   0xff, 0xff, 0xfe, 0x3a, 0x00, 0x01, 0x00, 0x01,
   0x3a, 0x00, 0x01, 0x00, 0x00, 0x39, 0xff, 0xff,
   0x39, 0xff, 0xfe, 0x39, 0xff, 0xfd, 0x39, 0x01,
   0x00, 0x38, 0xff, 0x38, 0xfe, 0x38, 0xfd, 0x38,
   0x18, 0x37, 0x36, 0x20, 0x00, 0x00, 0x01, 0x16,
   0x17, 0x18, 0x18, 0x18, 0x19, 0x18, 0x1a, 0x18,
   0xfe, 0x18, 0xff, 0x19, 0x01, 0x00, 0x19, 0x01,
   0x01, 0x19, 0xff, 0xfe, 0x19, 0xff, 0xff, 0x1a,
   0x00, 0x01, 0x00, 0x00, 0x1a, 0x00, 0x01, 0x00,
   0x01, 0x1a, 0x00, 0x01, 0x00, 0x02, 0x1a, 0x7f,
   0xff, 0xff, 0xff, 0x1a, 0x7f, 0xff, 0xff, 0xff,
   0x1a, 0x80, 0x00, 0x00, 0x00, 0x1a, 0x80, 0x00,
   0x00, 0x01, 0x1a, 0xff, 0xff, 0xff, 0xfe, 0x1a,
   0xff, 0xff, 0xff, 0xff, 0x1b, 0x00, 0x00, 0x00,
   0x01, 0x00, 0x00, 0x00, 0x00, 0x1b, 0x00, 0x00,
   0x00, 0x01, 0x00, 0x00, 0x00, 0x01, 0x1b, 0x7f,
   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x1b,
   0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff};


int EncodeRawTest()
{
   UsefulBuf_MakeStackUB(RawTestStorage, 220);
   
   QCBOREncodeContext ECtx;

   QCBOREncode_Init(&ECtx, RawTestStorage);
   QCBOREncode_OpenArray(&ECtx);
   QCBOREncode_AddEncoded(&ECtx, UsefulBuf_FromByteArrayLiteral(s_pFiveArrarys));
   QCBOREncode_AddEncoded(&ECtx, UsefulBuf_FromByteArrayLiteral(pExpectedEncodedInts));
   QCBOREncode_CloseArray(&ECtx);
   
   UsefulBufC EncodedRawTest;
   
   if(QCBOREncode_Finish2(&ECtx, &EncodedRawTest)) {
      return -4;
   }
   
   if(UsefulBuf_Compare(EncodedRawTest, UsefulBuf_FromByteArrayLiteral(s_pEncodeRawExpected))) {
      return -5;
   }
   
   return 0;
}




static int CreateMap(uint8_t **pEncoded, size_t *pEncodedLen)
{
   QCBOREncodeContext ECtx;
   int nReturn = -1;
   
   *pEncoded = NULL;
   *pEncodedLen = INT32_MAX;
   
   // loop runs CBOR encoding twice. First with no buffer to
   // calucate the length so buffer can be allocated correctly,
   // and last with the buffer to do the actual encoding
   do {
      QCBOREncode_Init(&ECtx, (UsefulBuf){*pEncoded, *pEncodedLen});
      QCBOREncode_OpenMap(&ECtx);
      QCBOREncode_AddInt64ToMap(&ECtx, "first integer", 42);
      QCBOREncode_OpenArrayInMap(&ECtx, "an array of two strings");
      QCBOREncode_AddText(&ECtx, ((UsefulBufC) {"string1", 7}));
      QCBOREncode_AddText(&ECtx, ((UsefulBufC) {"string2", 7}));
      QCBOREncode_CloseArray(&ECtx);
      QCBOREncode_OpenMapInMap(&ECtx, "map in a map");
      QCBOREncode_AddBytesToMap(&ECtx,"bytes 1", ((UsefulBufC) { "xxxx", 4}));
      QCBOREncode_AddBytesToMap(&ECtx, "bytes 2",((UsefulBufC) { "yyyy", 4}));
      QCBOREncode_AddInt64ToMap(&ECtx, "another int", 98);
      QCBOREncode_AddTextToMap(&ECtx, "text 2", ((UsefulBufC) {"lies, damn lies and statistics", 30}));
      QCBOREncode_CloseMap(&ECtx);
      QCBOREncode_CloseMap(&ECtx);
      
      
      if(QCBOREncode_Finish(&ECtx, pEncodedLen))
         goto Done;
      if(*pEncoded != NULL) {
         nReturn = 0;
         goto Done;
      }
      *pEncoded = malloc(*pEncodedLen);
   } while(1);
   
 Done:
   return(nReturn);
}


static uint8_t pValidMapEncoded[] = {
   0xa3, 0x6d, 0x66, 0x69, 0x72, 0x73, 0x74, 0x20, 0x69, 0x6e, 0x74, 0x65, 0x67, 0x65, 0x72, 0x18, 0x2a,
   0x77, 0x61, 0x6e, 0x20, 0x61, 0x72, 0x72, 0x61, 0x79, 0x20, 0x6f, 0x66, 0x20, 0x74, 0x77, 0x6f, 0x20,
   0x73, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x73, 0x82, 0x67, 0x73, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x31, 0x67,
   0x73, 0x74, 0x72, 0x69, 0x6e, 0x67, 0x32, 0x6c, 0x6d, 0x61, 0x70, 0x20, 0x69, 0x6e, 0x20, 0x61, 0x20,
   0x6d, 0x61, 0x70, 0xa4, 0x67, 0x62, 0x79, 0x74, 0x65, 0x73, 0x20, 0x31, 0x44, 0x78, 0x78, 0x78, 0x78,
   0x67, 0x62, 0x79, 0x74, 0x65, 0x73, 0x20, 0x32, 0x44, 0x79, 0x79, 0x79, 0x79, 0x6b, 0x61, 0x6e, 0x6f,
   0x74, 0x68, 0x65, 0x72, 0x20, 0x69, 0x6e, 0x74, 0x18, 0x62, 0x66, 0x74, 0x65, 0x78, 0x74, 0x20, 0x32,
   0x78, 0x1e, 0x6c, 0x69, 0x65, 0x73, 0x2c, 0x20, 0x64, 0x61, 0x6d, 0x6e, 0x20, 0x6c, 0x69, 0x65, 0x73,
   0x20, 0x61, 0x6e, 0x64, 0x20, 0x73, 0x74, 0x61, 0x74, 0x69, 0x73, 0x74, 0x69, 0x63, 0x73 } ;



int MapEncodeTest()
{
   uint8_t *pEncodedMaps;
   size_t nEncodedMapLen;
   
   if(CreateMap(&pEncodedMaps, &nEncodedMapLen)) {
      return(-1);
   }
   
   //printencoded(pEncodedMaps, nEncodedMapLen);
   
   int nReturn = 0;
   if(memcmp(pValidMapEncoded, pEncodedMaps, sizeof(pValidMapEncoded)))
      nReturn = 1;
   
   return(nReturn);
}


/*
 @brief  Encode the RTIC results
 
 @param[in]     nRResult        CBOR_SIMPLEV_TRUE, CBOR_SIMPLEV_FALSE or CBOR_SIMPLEV_NULL
 @param[in]     time            Time stamp in UNIX epoch time or 0 for no time stamp
 @param[in]     szAlexString    Diagnostic code.
 @param[in[     pOut            Buffer to put the result in
 @param[in/out] pnLen           Size of pOut buffer when called; length of data output in buffer on return
 
 @return
 One of the CBOR encoder errors. QCBOR_SUCCESS, which is has value 0, if no error.
 
 The size of pOut should be 30 bytes plus the length of pnLen.  If you make it too
 short an error will be returned. This function will never write off the end 
 of the buffer passed to it.
 
 If the result is 0, then the correct encoded CBOR is in pOut and *pnLen is the
 length of the encoded CBOR.
 
 */

int FormatRTICResults(int nRResult, uint64_t time, const char *szType, const char *szAlexString, uint8_t *pOut, size_t *pnLen)
{
   // Buffer that the result will be written in to
   // It is fixed size and small that a stack variable will be fine
   // QCBOREncode will never write off the end of this buffer. If it won't fit QCBOREncode_Finish will return an error.
   
   // Context for the encoder
   QCBOREncodeContext ECtx;
   QCBOREncode_Init(&ECtx, (UsefulBuf){pOut, *pnLen});
   
   // All the RTIC results are grouped in a CBOR Map which will get turned into a JSON Object
   // Contents are label / value pairs
   QCBOREncode_OpenMap(&ECtx);
   
   { // Brace / indention just to show CBOR encoding nesting
      
      // The result: 0 if scan happened and found nothing; 1 if it happened and found something wrong; 2 if it didn't happen
      QCBOREncode_AddSimpleToMap(&ECtx, "integrity", nRResult);

      // Add the diagnostic code
      QCBOREncode_AddSZStringToMap(&ECtx, "type", szType);

      // Add a time stamp
      if(time) {
         QCBOREncode_AddDateEpochToMap(&ECtx, "time", time);
      }

      // Add the diagnostic code
      QCBOREncode_AddSZStringToMap(&ECtx, "diag", szAlexString);

      // Open a subordinate map for telemtry data
      QCBOREncode_OpenMapInMap(&ECtx, "telemetry");

      { // Brace / indention just to show CBOR encoding nesting
         
         // Add a few fake integers and buffers for now.
         QCBOREncode_AddInt64ToMap(&ECtx, "Shoe Size", 12);

         // Add a few fake integers and buffers for now.
         QCBOREncode_AddInt64ToMap(&ECtx, "IQ", 0xffffffff);

         // Add a few fake integers and buffers for now.
         const uint8_t pPV[] = {0x66, 0x67, 0x00, 0x56, 0xaa, 0xbb, 0x01, 0x01};
         UsefulBufC WSPV = {pPV, sizeof(pPV)};
            
         QCBOREncode_AddBytesToMap(&ECtx, "WhaleSharkPatternVector", WSPV);
      }
   }
   
   // Close the telemetry map
   QCBOREncode_CloseMap(&ECtx);
   
   // Close the map
   QCBOREncode_CloseMap(&ECtx);
   
   return QCBOREncode_Finish(&ECtx, pnLen);
}


static const uint8_t pExpectedRTIC[] = {0xa5, 0x69, 0x69, 0x6e, 0x74, 0x65, 0x67, 0x72, 0x69, 0x74, 0x79, 0xf4, 0x64, 0x74, 0x79, 0x70, 0x65, 0x66, 0x72, 0x65, 0x63, 0x65, 0x6e, 0x74, 0x64, 0x74, 0x69, 0x6d, 0x65, 0xc1, 0x1a, 0x58, 0x0d, 0x41, 0x72, 0x64, 0x64, 0x69, 0x61, 0x67, 0x6a, 0x30, 0x78, 0x41, 0x31, 0x65, 0x43, 0x35, 0x30, 0x30, 0x31, 0x69, 0x74, 0x65, 0x6c, 0x65, 0x6d, 0x65, 0x74, 0x72, 0x79, 0xa3, 0x69, 0x53, 0x68, 0x6f, 0x65, 0x20, 0x53, 0x69, 0x7a, 0x65, 0x0c, 0x62, 0x49, 0x51, 0x1a, 0xff, 0xff, 0xff, 0xff, 0x77, 0x57, 0x68, 0x61, 0x6c, 0x65, 0x53, 0x68, 0x61, 0x72, 0x6b, 0x50, 0x61, 0x74, 0x74, 0x65, 0x72, 0x6e, 0x56, 0x65, 0x63, 0x74, 0x6f, 0x72, 0x48, 0x66, 0x67, 0x00, 0x56, 0xaa, 0xbb, 0x01, 0x01};


int RTICResultsTest()
{
   uint8_t out[200];
   size_t len = sizeof(out);
   
   int nResult = FormatRTICResults(CBOR_SIMPLEV_FALSE, 1477263730, "recent", "0xA1eC5001",  out, &len);
   if(nResult)
      return -1;
   
   if(memcmp(pExpectedRTIC, out, sizeof(pExpectedRTIC)))
      return 1;
   
   //printencoded(out,  len);
   
   return 0;  
}



/*
 Very basic bstr wrapping test
 */
int bstrwraptest()
{
   UsefulBuf_MakeStackUB(MemoryForEncoded, 100);
   QCBOREncodeContext EC;
   
   QCBOREncode_Init(&EC, MemoryForEncoded);
   
   QCBOREncode_OpenArray(&EC);
   QCBOREncode_AddUInt64(&EC, 451);
   
   QCBOREncode_BstrWrap(&EC);
   QCBOREncode_AddUInt64(&EC, 466);
   
   UsefulBufC Wrapped;
   QCBOREncode_CloseBstrWrap(&EC, &Wrapped);
   
   QCBOREncode_CloseArray(&EC);
   
   UsefulBufC Encoded;
   if(QCBOREncode_Finish2(&EC, &Encoded)) {
      return -1;
   }
   
   const uint8_t pExpected[] = {0x82, 0x19, 0x01, 0xC3, 0x43, 0x19, 0x01, 0xD2};
   if(UsefulBuf_Compare(UsefulBuf_FromByteArrayLiteral(pExpected), Encoded)) {
      return -2;
   }
   
   return 0;
}



int bstr_wrap_error_test()
{
   // -------------- Test closing a bstrwrap when it is an array that is open -----------
   UsefulBuf_MakeStackUB(MemoryForEncoded, 100);
   QCBOREncodeContext EC;
   
   QCBOREncode_Init(&EC, MemoryForEncoded);
   
   QCBOREncode_OpenArray(&EC);
   QCBOREncode_AddUInt64(&EC, 451);
   
   QCBOREncode_BstrWrap(&EC);
   QCBOREncode_AddUInt64(&EC, 466);
   QCBOREncode_OpenArray(&EC);
   
   UsefulBufC Wrapped;
   QCBOREncode_CloseBstrWrap(&EC, &Wrapped);
   
   QCBOREncode_CloseArray(&EC);
   
   UsefulBufC Encoded2;
   if(QCBOREncode_Finish2(&EC, &Encoded2) != QCBOR_ERR_CLOSE_MISMATCH) {
      return -1;
   }
   
   // ----------- test closing a bstrwrap when nothing is open ---------------------
   QCBOREncode_Init(&EC, MemoryForEncoded);
   QCBOREncode_CloseBstrWrap(&EC, &Wrapped);
   if(QCBOREncode_Finish2(&EC, &Encoded2) != QCBOR_ERR_TOO_MANY_CLOSES) {
      return -2;
   }
   
   // --------------- test nesting too deep ----------------------------------
   QCBOREncode_Init(&EC, MemoryForEncoded);
   for(int i = 1; i < 18; i++) {
      QCBOREncode_BstrWrap(&EC);
   }
   QCBOREncode_AddBool(&EC, true);
   
   for(int i = 1; i < 18; i++) {
      QCBOREncode_CloseBstrWrap(&EC, &Wrapped);
   }
   
   if(QCBOREncode_Finish2(&EC, &Encoded2) != QCBOR_ERR_ARRAY_NESTING_TOO_DEEP) {
      return -3;
   }
   
   return 0;
}



// Part of bstr_wrap_nest_test
/*
 83 array with three
 53  byte string with 19 bytes
 01  #1
 50 byte string with 16 bytes
 02
 4D byte string with 13 bytes
 03
 4A byte string with 10 bytes
 04
 47 byte string with 7 bytes
 05
 44 byte string with 4 bytes
 06
 41 byte string with 1 byte
 07
 01
 02
 03
 04
 05
 06
 07
 A2 map with two items
 18 20  label for byte string
 54 byte string of length 20
 82 Array with two items
 10  The integer value 10
 A2 map with two items
 18 21 label for byte string
 44 byte string with 4 bytes
 81 array with 1 item
 11 integer value 11
 18 30 integer value 30
 18 40 integer label 40
 65 68 65 6C 6C 6F text string hello
 18 31 integer value 31
 18 41 integer label 41
 65 68 65 6C 6C 6F text string hello
 
 
 */
static const uint8_t sExpectedDeepBstr[] =
{
   0x83, 0x56, 0x00, 0x53, 0x01, 0x50, 0x02, 0x4D,
   0x03, 0x4A, 0x04, 0x47, 0x05, 0x44, 0x06, 0x41,
   0x07, 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06,
   0x07, 0xA2, 0x18, 0x20, 0x54, 0x82, 0x10, 0xA2,
   0x18, 0x21, 0x44, 0x81, 0x11, 0x18, 0x30, 0x18,
   0x40, 0x65, 0x68, 0x65, 0x6C, 0x6C, 0x6F, 0x18,
   0x31, 0x18, 0x41, 0x65, 0x68, 0x65, 0x6C, 0x6C,
   0x6F
};

// Part of bstr_wrap_nest_test
static int decode_next_nested(UsefulBufC Wrapped)
{
   int nReturn;
   QCBORDecodeContext DC;
   QCBORDecode_Init(&DC, Wrapped, QCBOR_DECODE_MODE_NORMAL);
   
   QCBORItem Item;
   nReturn = QCBORDecode_GetNext(&DC, &Item);
   if(nReturn) {
      return -11;
   }
   if(Item.uDataType != QCBOR_TYPE_INT64) {
      return -12;
   }
   
   nReturn = QCBORDecode_GetNext(&DC, &Item);
   if(nReturn == QCBOR_ERR_HIT_END) {
      return 0;
   }
   if(Item.uDataType != QCBOR_TYPE_BYTE_STRING) {
      return -13;
   }
   nReturn =  decode_next_nested(Item.val.string);
   if(nReturn) {
      return nReturn;
   }
   
   nReturn = QCBORDecode_GetNext(&DC, &Item);
   if(nReturn) {
      return -14;
   }
   if(Item.uDataType != QCBOR_TYPE_INT64) {
      return -15;
   }
   
   if(QCBORDecode_Finish(&DC)) {
      return -16;
   }
   
   return 0;
}

// Part of bstr_wrap_nest_test
static int decode_next_nested2(UsefulBufC Wrapped)
{
   int nReturn;
   QCBORDecodeContext DC;
   QCBORDecode_Init(&DC, Wrapped, QCBOR_DECODE_MODE_NORMAL);
   
   QCBORItem Item;
   nReturn = QCBORDecode_GetNext(&DC, &Item);
   if(nReturn) {
      return -11;
   }
   if(Item.uDataType != QCBOR_TYPE_ARRAY) {
      return -12;
   }
   
   nReturn = QCBORDecode_GetNext(&DC, &Item);
   if(nReturn) {
      return -11;
   }
   if(Item.uDataType != QCBOR_TYPE_INT64) {
      return -12;
   }
   
   nReturn = QCBORDecode_GetNext(&DC, &Item);
   if(nReturn) {
      return -11;
   }
   if(Item.uDataType != QCBOR_TYPE_MAP) {
      return 0;
   }
   
   nReturn = QCBORDecode_GetNext(&DC, &Item);
   if(nReturn) {
      return -11;
   }
   if(Item.uDataType != QCBOR_TYPE_BYTE_STRING) {
      return -13;
   }
   nReturn =  decode_next_nested2(Item.val.string);
   if(nReturn) {
      return nReturn;
   }
   
   nReturn = QCBORDecode_GetNext(&DC, &Item);
   if(nReturn) {
      return -11;
   }
   if(Item.uDataType != QCBOR_TYPE_TEXT_STRING) {
      return -12;
   }
   nReturn = QCBORDecode_GetNext(&DC, &Item);
   if(nReturn) {
      return -11;
   }
   if(Item.uDataType != QCBOR_TYPE_INT64) {
      return -12;
   }
   
   if(QCBORDecode_Finish(&DC)) {
      return -16;
   }
   
   return 0;
}


int bstr_wrap_nest_test()
{
   UsefulBuf_MakeStackUB(MemoryForEncoded, 300);
   QCBOREncodeContext EC;
   QCBOREncode_Init(&EC, MemoryForEncoded);
   
   // ---- Make a complicated nested CBOR structure ---
   QCBOREncode_OpenArray(&EC);
   
   for(int i = 0; i < QCBOR_MAX_ARRAY_NESTING-2; i++) {
      QCBOREncode_BstrWrap(&EC);
      QCBOREncode_AddUInt64(&EC, i);
   }
   
   for(int i = 0; i < QCBOR_MAX_ARRAY_NESTING-2; i++) {
      QCBOREncode_CloseBstrWrap(&EC, NULL);
      QCBOREncode_AddUInt64(&EC, i);
   }
   
   for(int i = 0; i < (QCBOR_MAX_ARRAY_NESTING-2)/3; i++) {
      QCBOREncode_OpenMap(&EC);
      QCBOREncode_BstrWrapMapN(&EC, i+0x20);
      QCBOREncode_OpenArray(&EC);
      QCBOREncode_AddUInt64(&EC, i+0x10);
   }
   
   for(int i = 0; i < (QCBOR_MAX_ARRAY_NESTING-2)/3; i++) {
      QCBOREncode_CloseArray(&EC);
      QCBOREncode_AddUInt64(&EC, i+0x30);
      QCBOREncode_CloseBstrWrap(&EC, NULL);
      QCBOREncode_AddSZStringToMapN(&EC, i+0x40, "hello");
      QCBOREncode_CloseMap(&EC);
   }
   QCBOREncode_CloseArray(&EC);
   
   UsefulBufC Encoded;
   if(QCBOREncode_Finish2(&EC, &Encoded)) {
      return -1;
   }
   
   // ---Compare it to expected. Expected was hand checked with use of CBOR playground ----
   if(UsefulBuf_Compare(UsefulBuf_FromByteArrayLiteral(sExpectedDeepBstr), Encoded)) {
      return -25;
   }
   
   
   // ---- Decode it and see if it is OK ------
   QCBORDecodeContext DC;
   QCBORDecode_Init(&DC, Encoded, QCBOR_DECODE_MODE_NORMAL);
   
   QCBORItem Item;
   QCBORDecode_GetNext(&DC, &Item);
   if(Item.uDataType != QCBOR_TYPE_ARRAY || Item.val.uCount != 3) {
      return -2;
   }
   
   QCBORDecode_GetNext(&DC, &Item);
   if(Item.uDataType != QCBOR_TYPE_BYTE_STRING) {
      return -3;
   }
   
   int nReturn = decode_next_nested(Item.val.string);
   if(nReturn) {
      return nReturn;
   }
   
   nReturn = QCBORDecode_GetNext(&DC, &Item);
   if(nReturn) {
      return -11;
   }
   if(Item.uDataType != QCBOR_TYPE_INT64) {
      return -12;
   }
   
   QCBORDecode_GetNext(&DC, &Item);
   if(Item.uDataType != QCBOR_TYPE_MAP || Item.val.uCount != 2) {
      return -2;
   }
   
   QCBORDecode_GetNext(&DC, &Item);
   if(Item.uDataType != QCBOR_TYPE_BYTE_STRING) {
      return -3;
   }
   nReturn = decode_next_nested2(Item.val.string);
   if(nReturn) {
      return nReturn;
   }
   
   nReturn = QCBORDecode_GetNext(&DC, &Item);
   if(nReturn) {
      return -11;
   }
   if(Item.uDataType != QCBOR_TYPE_TEXT_STRING) {
      return -12;
   }
   
   if(QCBORDecode_Finish(&DC)) {
      return -16;
   }
   
   return 0;
}


/*
 this corresponds exactly to the example in RFC 8152
 section C.2.1. This doesn't actually verify the signature
 though that would be nice as it would make the test
 really good. That would require bring in ECDSA crypto
 to this test.
 */
int cose_sign1_tbs_test()
{
   // All of this is from RFC 8152 C.2.1
   const char *szKid = "11";
   UsefulBufC Kid = UsefulBuf_FromSZ(szKid);
   const char *szPayload = "This is the content.";
   UsefulBufC Payload = UsefulBuf_FromSZ(szPayload);
   const uint8_t pProtectedHeaders[] = {0xa1, 0x01, 0x26};
   UsefulBufC ProtectedHeaders = UsefulBuf_FromByteArrayLiteral(pProtectedHeaders);
   const uint8_t sSignature[] = {
      0x8e, 0xb3, 0x3e, 0x4c, 0xa3, 0x1d, 0x1c, 0x46, 0x5a, 0xb0,
      0x5a, 0xac, 0x34, 0xcc, 0x6b, 0x23, 0xd5, 0x8f, 0xef, 0x5c,
      0x08, 0x31, 0x06, 0xc4, 0xd2, 0x5a, 0x91, 0xae, 0xf0, 0xb0,
      0x11, 0x7e, 0x2a, 0xf9, 0xa2, 0x91, 0xaa, 0x32, 0xe1, 0x4a,
      0xb8, 0x34, 0xdc, 0x56, 0xed, 0x2a, 0x22, 0x34, 0x44, 0x54,
      0x7e, 0x01, 0xf1, 0x1d, 0x3b, 0x09, 0x16, 0xe5, 0xa4, 0xc3,
      0x45, 0xca, 0xcb, 0x36};
   // It would be good to compare this to the output from
   // a COSE implementation like COSE-C. It has been checked
   // against the CBOR playground.
   UsefulBufC Signature = UsefulBuf_FromByteArrayLiteral(sSignature);
   const uint8_t sExpected[] = {
      0xD2, 0x84, 0x43, 0xA1, 0x01, 0x26, 0xA1, 0x04, 0x42, 0x31,
      0x31, 0x54, 0x54, 0x68, 0x69, 0x73, 0x20, 0x69, 0x73, 0x20,
      0x74, 0x68, 0x65, 0x20, 0x63, 0x6F, 0x6E, 0x74, 0x65, 0x6E,
      0x74, 0x2E, 0x58, 0x40, 0x8E, 0xB3, 0x3E, 0x4C, 0xA3, 0x1D,
      0x1C, 0x46, 0x5A, 0xB0, 0x5A, 0xAC, 0x34, 0xCC, 0x6B, 0x23,
      0xD5, 0x8F, 0xEF, 0x5C, 0x08, 0x31, 0x06, 0xC4, 0xD2, 0x5A,
      0x91, 0xAE, 0xF0, 0xB0, 0x11, 0x7E, 0x2A, 0xF9, 0xA2, 0x91,
      0xAA, 0x32, 0xE1, 0x4A, 0xB8, 0x34, 0xDC, 0x56, 0xED, 0x2A,
      0x22, 0x34, 0x44, 0x54, 0x7E, 0x01, 0xF1, 0x1D, 0x3B, 0x09,
      0x16, 0xE5, 0xA4, 0xC3, 0x45, 0xCA, 0xCB, 0x36};
   UsefulBufC Expected = UsefulBuf_FromByteArrayLiteral(sExpected);
   
   UsefulBuf_MakeStackUB(MemoryForEncoded, 98);
   QCBOREncodeContext EC;
   QCBOREncode_Init(&EC, MemoryForEncoded);
   
   // top level array for cose sign1, 18 is the tag for COSE sign
   QCBOREncode_OpenArray_3(&EC, NULL, QCBOR_NO_INT_LABEL, 18);
   
   // Add protected headers
   QCBOREncode_AddBytes(&EC, ProtectedHeaders);
   
   // Empty map with unprotected headers
   QCBOREncode_OpenMap(&EC);
   QCBOREncode_AddBytesToMapN(&EC, 4, Kid);
   QCBOREncode_CloseMap(&EC);
   
   // The payload
   UsefulBufC WrappedPayload;
   QCBOREncode_BstrWrap(&EC);
   QCBOREncode_AddEncoded(&EC, Payload); // Payload is not actually CBOR in example C.2.1
   QCBOREncode_CloseBstrWrap(&EC, &WrappedPayload);
   
   // Check we got back the actual payload expected
   if(UsefulBuf_Compare(WrappedPayload, Payload)) {
      return -1;
   }
   
   // The signature
   QCBOREncode_AddBytes(&EC, Signature);
   QCBOREncode_CloseArray(&EC);
   
   // Finish and check the results
   UsefulBufC COSE_Sign1;
   if(QCBOREncode_Finish2(&EC, &COSE_Sign1)) {
      return -2;
   }
   
   // 98 is the size from RFC 8152 C.2.1
   if(COSE_Sign1.len != 98) {
      return -3;
   }
   
   if(UsefulBuf_Compare(COSE_Sign1, Expected)) {
      return -4;
   }
   
   return 0;
}