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/* { dg-skip-if "" { powerpc*-*-aix* } } */
/* { dg-skip-if "" { "avr-*-*" } } */
#include <errno.h>
#include "../../gcc.dg/analyzer/analyzer-decls.h"
extern int isatty(int fd);
extern int close(int fd);
int test_pass_through (int fd)
{
return isatty (fd);
}
void test_merging (int fd)
{
isatty (fd);
__analyzer_dump_exploded_nodes (0); /* { dg-warning "1 processed enode" } */
}
int test_outcomes (int fd)
{
errno = 0;
int result = isatty (fd);
switch (result)
{
default:
__analyzer_dump_path (); /* { dg-bogus "path" } */
break;
case 0:
__analyzer_dump_path (); /* { dg-message "path" } */
__analyzer_eval (errno > 0); /* { dg-warning "TRUE" } */
break;
case 1:
__analyzer_dump_path (); /* { dg-message "path" } */
__analyzer_eval (errno == 0); /* { dg-warning "TRUE" } */
break;
}
return result;
}
int test_isatty_on_invalid_fd (void)
{
errno = 0;
int result = isatty (-1);
__analyzer_eval (result == 0); /* { dg-warning "TRUE" } */
__analyzer_eval (errno > 0); /* { dg-warning "TRUE" } */
return result;
}
int test_isatty_on_closed_fd (int fd)
{
close (fd);
errno = 0;
int result = isatty (fd);
__analyzer_eval (result == 0); /* { dg-warning "TRUE" } */
__analyzer_eval (errno > 0); /* { dg-warning "TRUE" } */
return result;
}
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