[sanitizer_common] Add test for popen()
Differential Revision: https://reviews.llvm.org/D56153 llvm-svn: 350230
This commit is contained in:
parent
eebec78b05
commit
f2208068dc
|
@ -0,0 +1,23 @@
|
|||
// RUN: %clangxx -g %s -o %t && %run %t | FileCheck %s
|
||||
// CHECK: 1
|
||||
// CHECK-NEXT: 2
|
||||
|
||||
#include <assert.h>
|
||||
#include <stdio.h>
|
||||
|
||||
int main(void) {
|
||||
// use a tool that produces different output than input to verify
|
||||
// that everything worked correctly
|
||||
FILE *fp = popen("sort", "w");
|
||||
assert(fp);
|
||||
|
||||
// verify that fileno() returns a meaningful descriptor (needed
|
||||
// for the implementation of TSan)
|
||||
assert(fileno(fp) != -1);
|
||||
|
||||
assert(fputs("2\n", fp) >= 0);
|
||||
assert(fputs("1\n", fp) >= 0);
|
||||
assert(pclose(fp) == 0);
|
||||
|
||||
return 0;
|
||||
}
|
Loading…
Reference in New Issue