75 lines
2.2 KiB
C++
75 lines
2.2 KiB
C++
/* Special Conformance Test 17.7.0.1: Verification of gets function */
|
|
/* */
|
|
/* The tester will be asked to enter some strings. The strings will */
|
|
/* then be echoed to the screen. The strings should be verified */
|
|
/* that they are the same as those entered. */
|
|
|
|
#include <stdio.h>
|
|
|
|
int main (void)
|
|
{
|
|
int i;
|
|
char string [20] = ""; /* initialize input string to null string */
|
|
char *strPtr;
|
|
|
|
|
|
printf ("Please enter a string which is shorter than 20 characters.\n");
|
|
printf ("Signal string is complete with CR.\n");
|
|
strPtr = gets (string); /* test reading until CR seen */
|
|
if (strPtr == NULL)
|
|
goto Fail;
|
|
printf ("The string entered was:\n");
|
|
i = puts (string);
|
|
if (i)
|
|
goto Fail1;
|
|
printf ("This message should appear immediately below the string.\n");
|
|
|
|
printf ("Please enter only the end-of-file character sequence (CTRL@)\n");
|
|
strPtr = gets (string); /* test reading with EOF seen before */
|
|
if (strPtr != NULL) /* any other characters */
|
|
goto Fail2;
|
|
if (! feof (stdin))
|
|
goto Fail3;
|
|
i = fseek (stdin, 0L, SEEK_CUR); /* clear EOF indication */
|
|
if (i)
|
|
goto Fail4;
|
|
|
|
printf ("The first string entered was:\n"); /* string shouldn't change */
|
|
i = puts (string);
|
|
if (i)
|
|
goto Fail1;
|
|
printf ("\n");
|
|
|
|
printf ("Please enter a string which is shorter than 20 characters.\n");
|
|
strPtr = gets (string); /* test reading until CR seen */
|
|
if (strPtr == NULL)
|
|
goto Fail;
|
|
printf ("The string entered was:\n");
|
|
i = puts (string);
|
|
if (i)
|
|
goto Fail1;
|
|
printf ("This message should appear immediately below the string.\n");
|
|
|
|
return 0;
|
|
|
|
Fail:
|
|
printf ("Failed Special Conformance Test 17.7.0.1\n");
|
|
return 0;
|
|
|
|
Fail1:
|
|
printf ("Unable to write to standard out\n");
|
|
return 0;
|
|
|
|
Fail2:
|
|
printf ("Reading EOF before any other chars doesn't return NULL ptr\n");
|
|
return 0;
|
|
|
|
Fail3:
|
|
printf ("EOF for standard input not detected\n");
|
|
return 0;
|
|
|
|
Fail4:
|
|
printf ("Unable to FSEEK on stdin\n");
|
|
return 0;
|
|
}
|