From 6f290d8f9e9d7faac295cb51fc96884a18f4ded4 Mon Sep 17 00:00:00 2001
From: Daniel Dunbar <daniel@zuster.org>
Date: Thu, 21 May 2009 04:36:41 +0000
Subject: Initial KLEE checkin.  - Lots more tweaks, documentation, and web
 page content is needed,    but this should compile & work on OS X & Linux.

git-svn-id: https://llvm.org/svn/llvm-project/klee/trunk@72205 91177308-0d34-0410-b5e6-96231b3b80d8
---
 test/Runtime/POSIX/DirConsistency.c | 64 +++++++++++++++++++++++++++++++++++++
 1 file changed, 64 insertions(+)
 create mode 100644 test/Runtime/POSIX/DirConsistency.c

(limited to 'test/Runtime/POSIX/DirConsistency.c')

diff --git a/test/Runtime/POSIX/DirConsistency.c b/test/Runtime/POSIX/DirConsistency.c
new file mode 100644
index 00000000..613655e9
--- /dev/null
+++ b/test/Runtime/POSIX/DirConsistency.c
@@ -0,0 +1,64 @@
+// RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t.bc
+// RUN: %klee --run-in=/tmp --use-random-search --init-env --libc=uclibc --posix-runtime --exit-on-error %t.bc --sym-files 1 1 > %t1.log
+// RUN: %llvmgcc -D_FILE_OFFSET_BITS=64 %s -emit-llvm -O0 -c -o %t.bc
+// RUN: %klee --run-in=/tmp --use-random-search --init-env --libc=uclibc --posix-runtime --exit-on-error %t.bc --sym-files 1 1 > %t2.log
+// RUN: sort %t1.log %t2.log | uniq -c > %t3.log
+// RUN: grep -q "4 COUNT" %t3.log
+
+// For this test really to work as intended it needs to be run in a
+// directory large enough to cause uclibc to do multiple getdents
+// calls (otherwise uclibc will handle the seeks itself). We should
+// create a bunch of files or something.
+//
+// It is even more important for this test because it requires the
+// directory not to change while running, which might be a lot to
+// demand of /tmp.
+
+#define _LARGEFILE64_SOURCE
+#include <assert.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <dirent.h>
+#include <sys/stat.h>
+#include <errno.h>
+
+int main(int argc, char **argv) {
+  struct stat s;
+  int res = stat("A", &s);
+  int hasA = !(res!=0 && errno==ENOENT);
+
+  //printf("sizeof(dirent) = %d\n", sizeof(struct dirent));
+  //printf("sizeof(dirent64) = %d\n", sizeof(struct dirent64));
+
+  //printf("\"A\" exists: %d\n", hasA);
+
+  DIR *d = opendir(".");
+  assert(d);
+
+  int snum = 1;
+  if (klee_range(0,2,"range")) {
+    snum = 2;
+    printf("state%d\n", snum);
+  }
+
+  int foundA = 0, count = 0;
+  struct dirent *de;
+  while ((de = readdir(d))) {
+    //    printf("state%d: dirent: %s\n", snum, de->d_name);
+    if (strcmp(de->d_name, "A") == 0)
+      foundA = 1;
+    count++;
+  }
+  
+  closedir(d);
+
+  //printf("found A: %d\n", foundA);
+
+  // Ensure atomic write
+  char buf[64];
+  sprintf(buf, "COUNT: %d\n", count);
+  fputs(buf, stdout);
+  assert(hasA == foundA);
+
+  return 0;
+}
-- 
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