/* HEADER Testing copy_nword */

#define ASSERT1(cond)                                           \

  do {                                                          \

    ++__test_counter;                                           \

    if ((cond))                                                 \

      printf("ok %d\n", __test_counter);                        \

    else {                                                      \

      printf("not ok %d - %d: %s failed\n",                     \

             __test_counter, __LINE__, #cond);                  \

    }                                                           \

  } while (0)

#define ASSERT2(cond, on_error)                                 \

  do {                                                          \

    ++__test_counter;                                           \

    if ((cond))                                                 \

      printf("ok %d\n", __test_counter);                        \

    else {                                                      \

      printf("not ok %d - %d: %s failed, ",                     \

             __test_counter, __LINE__, #cond);                  \

      printf on_error ;                                         \

    }                                                           \

  } while (0)

{

  /* A quoted string */

  char input[] = "\"The red rose\"";

  char output[sizeof(input)] = "";

  char* run = copy_nword(input, output, sizeof(output));

  ASSERT2(strcmp(output, "The red rose") == 0,

          ("output = >%s<\n", output));

  ASSERT1(run == NULL);

}

{

  /* Escaped quotes */

  char input[] = "\\\"The red rose\\\"";

  char output[sizeof(input)] = "";

  char* run = copy_nword(input, output, sizeof(output));

  ASSERT2(strcmp(output, "\"The") == 0, ("output = >%s<\n", output));

  ASSERT2(run == input + 6, ("run = input + %d\n", (int)(run - input)));

  run = copy_nword(run, output, sizeof(output));

  ASSERT2(strcmp(output, "red") == 0, ("output = >%s<\n", output));

  ASSERT2(run == input + 10, ("run = input + %d\n", (int)(run - input)));

  run = copy_nword(run, output, sizeof(output));

  ASSERT2(strcmp(output, "rose\"") == 0, ("output = >%s<\n", output));

  ASSERT1(run == NULL);

}

{

  /* Unterminated "-quote */

  char input[] = "\"The";

  char output[sizeof(input)] = "";

  char* run = copy_nword(input, output, sizeof(output));

  ASSERT2(strcmp(output, "The") == 0, ("output = >%s<\n", output));

  ASSERT1(run == NULL);

}

{

  /* Unterminated '-quote */

  char input[] = "\'The";

  char output[sizeof(input)] = "";

  char* run = copy_nword(input, output, sizeof(output));

  ASSERT2(strcmp(output, "The") == 0, ("output = >%s<\n", output));

  ASSERT1(run == NULL);

}

{

  /* Extract from NULL */

  char output[10] = "";

  char* run = NULL;

  run = copy_nword(run, output, sizeof(output));

  ASSERT1(run == NULL);

}

{

  /* Extract to NULL */

  char input[] = "The red rose";

  char* output = NULL;

  char* run = copy_nword(input, output, sizeof(output));

  ASSERT1(run == NULL);

}

{

  /* Long token */

  char input[] = "\"Very long token that overflows the buffer\" foo";

  char output[10] = "";

  char* run = copy_nword(input, output, sizeof(output));

  ASSERT2(strcmp(output, "Very long") == 0, ("output = >%s<\n", output));

  ASSERT2(run == input + 44, ("run = input + %d\n", (int)(run - input)));

}

{

  /* Quoted end of string / embedded \0 */

  char input[] = "The\\\0red rose";

  char output[sizeof(input)] = "";

  char* run = copy_nword(input, output, sizeof(output));

  ASSERT2(strcmp(output, "The\\") == 0, ("output = >%s<\n", output));

  ASSERT1(run == NULL);

}

{

  /* Empty string */

  char input[] = "";

  char output[sizeof(input) + 1] = "X";

  char* run = copy_nword(input, output, sizeof(output));

  ASSERT2(strcmp(output, "") == 0, ("output = >%s<\n", output));

  ASSERT2(run == NULL, ("run = >%s<\n", run));

}

{

  /* Whitespace string */

  char input[] = "    \t   ";

  char output[sizeof(input)] = "X";

  char* run = copy_nword(input, output, sizeof(output));

  ASSERT2(strcmp(output, "") == 0, ("output = >%s<\n", output));

  ASSERT2(run == NULL, ("run = >%s<\n", run));

}

{

  /* Quote, no whitespace after */

  char input[] = "\"The\"red rose";

  char output[sizeof(input)] = "";

  char* run = copy_nword(input, output, sizeof(output));

  ASSERT2(strcmp(output, "The") == 0, ("output = >%s<\n", output));

  ASSERT2(run == input + 5, ("run = input + %d\n", (int)(run - input)));

}

{

  /* Quote, no whitespace before */

  char input[] = "The\"red\" rose";

  char output[sizeof(input)] = "";

  char* run = copy_nword(input, output, sizeof(output));

  ASSERT2(strcmp(output, "The\"red\"") == 0, ("output = >%s<\n", output));

  ASSERT2(run == input + 9, ("run = input + %d\n", (int)(run - input)));

}