ORCA-C/Tests/Spec.Conform/SPC17.7.0.1.CC

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/* 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>
main ()
{
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;
}