#include "tap.h"
#include "test.h"
#include "bson.h"

#include <string.h>

void
test_bson_string (void)
{
  bson *b;

  /* Test #1: A single string element, with default size. */
  b = bson_new ();
  ok (bson_append_string (b, "hello", "world", -1),
      "bson_append_string() works");
  bson_finish (b);
  cmp_ok (bson_size (b), "==", 22, "BSON string element size check");
  ok (memcmp (bson_data (b),
              "\026\000\000\000\002\150\145\154\154\157\000\006\000\000\000"
              "\167\157\162\154\144\000\000",
              bson_size (b)) == 0,
      "BSON string element contents check");
  bson_free (b);

  /* Test #2: A single string element, with explicit length. */
  b = bson_new ();
  ok (bson_append_string (b, "goodbye",
                          "cruel world, this garbage is gone.",
                          strlen ("cruel world")),
      "bson_append_string() with explicit length works");
  bson_finish (b);

  cmp_ok (bson_size (b), "==", 30, "BSON string element size check, #2");
  ok (memcmp (bson_data (b),
              "\036\000\000\000\002\147\157\157\144\142\171\145\000\014\000"
              "\000\000\143\162\165\145\154\040\167\157\162\154\144\000\000",
              bson_size (b)) == 0,
      "BSON string element contents check, #2");
  bson_free (b);

  /* Test #3: Negative test, passing invalid arguments. */
  b = bson_new ();
  ok (bson_append_string (b, "hello", "world", -42) == FALSE,
      "bson_append_string() should fail with invalid length");
  ok (bson_append_string (b, "hello", NULL, -1) == FALSE,
      "bson_append_string() should fail without a string");
  ok (bson_append_string (b, NULL, "world", -1) == FALSE,
      "bson_append_string() should fail without a key name");
  ok (bson_append_string (NULL, "hello", "world", -1) == FALSE,
      "bson_append_string() should fail without a BSON object");
  bson_finish (b);
  cmp_ok (bson_size (b), "==", 5,
          "BSON object should be empty");

  ok (bson_append_string (b, "hello", "world", -1) == FALSE,
      "Appending to a finished element should fail");

  bson_free (b);
}

RUN_TEST (12, bson_string);