/* Test of freadptr() function.
- Copyright (C) 2007-2008 Free Software Foundation, Inc.
+ Copyright (C) 2007-2010 Free Software Foundation, Inc.
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#include "freadptr.h"
-#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <unistd.h>
-#include "freadahead.h"
-
-#define ASSERT(expr) \
- do \
- { \
- if (!(expr)) \
- { \
- fprintf (stderr, "%s:%d: assertion failed\n", __FILE__, __LINE__); \
- abort (); \
- } \
- } \
- while (0)
+#include "macros.h"
int
main (int argc, char **argv)
ASSERT (fread (buf, 1, nbytes, stdin) == nbytes);
if (lseek (0, 0, SEEK_CUR) == nbytes)
- /* An unbuffered stdio, such as BeOS or on uClibc compiled without
- __STDIO_BUFFERS. Or stdin is a pipe. */
- ASSERT (freadahead (stdin) == 0);
+ {
+ /* An unbuffered stdio, such as BeOS or on uClibc compiled without
+ __STDIO_BUFFERS. Or stdin is a pipe. */
+ size_t size;
+ ASSERT (freadptr (stdin, &size) == NULL);
+ }
else
{
/* Normal buffered stdio. */
const char stdin_contents[] =
- "#!/bin/sh\n\n./test-freadptr${EXEEXT} 5 < \"$srcdir/test-freadptr.sh\" || exit 1\ncat \"$srcdir/test-freadptr.sh\" | ./test-freadptr${EXEEXT} 5 || exit 1\nexit 0\n";
+ "#!/bin/sh\n\n./test-freadptr${EXEEXT} 5 < \"$srcdir/test-freadptr.sh\" || exit 1\ncat \"$srcdir/test-freadptr.sh\" | ./test-freadptr${EXEEXT} 5 || exit 1\nexit 0\n";
const char *expected = stdin_contents + nbytes;
- size_t available;
+ size_t available1;
size_t available2;
size_t available3;
/* Test normal behaviour. */
- available = freadahead (stdin);
- ASSERT (available != 0);
- ASSERT (available <= strlen (expected));
{
- const char *ptr = freadptr (stdin);
+ const char *ptr = freadptr (stdin, &available1);
- ASSERT (ptr != NULL);
- ASSERT (memcmp (ptr, expected, available) == 0);
+ ASSERT (ptr != NULL);
+ ASSERT (available1 != 0);
+ ASSERT (available1 <= strlen (expected));
+ ASSERT (memcmp (ptr, expected, available1) == 0);
}
/* Test behaviour after normal ungetc. */
ungetc (fgetc (stdin), stdin);
- available2 = freadahead (stdin);
- ASSERT (/* available2 == available - 1 || */ available2 == available);
-#if 0
- if (available2 == available - 1)
- {
- ASSERT (freadptr (stdin) == NULL);
- }
- else
-#endif
- {
- const char *ptr = freadptr (stdin);
-
- ASSERT (ptr != NULL);
- ASSERT (memcmp (ptr, expected, available) == 0);
- }
+ {
+ const char *ptr = freadptr (stdin, &available2);
+
+ if (ptr != NULL)
+ {
+ ASSERT (available2 == available1);
+ ASSERT (memcmp (ptr, expected, available2) == 0);
+ }
+ }
/* Test behaviour after arbitrary ungetc. */
fgetc (stdin);
ungetc ('@', stdin);
- available3 = freadahead (stdin);
- ASSERT (available3 == 0 || available3 == 1 || /* available3 == available - 1 || */ available3 == available);
- if (available3 == 0)
- ;
- else if (available3 == 1)
- {
- const char *ptr = freadptr (stdin);
-
- if (ptr != NULL)
- {
- ASSERT (ptr[0] == '@');
- }
- }
-#if 0
- else if (available3 == available - 1)
- {
- ASSERT (freadptr (stdin) == NULL);
- }
-#endif
- else
- {
- const char *ptr = freadptr (stdin);
-
- if (ptr != NULL)
- {
- ASSERT (ptr[0] == '@');
- ASSERT (memcmp (ptr + 1, expected + 1, available - 1) == 0);
- }
- }
+ {
+ const char *ptr = freadptr (stdin, &available3);
+
+ if (ptr != NULL)
+ {
+ ASSERT (available3 == 1 || available3 == available1);
+ ASSERT (ptr[0] == '@');
+ if (available3 > 1)
+ {
+ ASSERT (memcmp (ptr + 1, expected + 1, available3 - 1) == 0);
+ }
+ }
+ }
}
return 0;