2 files changed, 50 insertions, 2 deletions
diff --git a/test/Runtime/POSIX/Replay.c b/test/Runtime/POSIX/Replay.c
new file mode 100644
index 00000000..ba11f05f
--- /dev/null
+++ b/test/Runtime/POSIX/Replay.c
@@ -0,0 +1,45 @@
+// RUN: %llvmgcc -DKLEE_EXECUTION %s -emit-llvm -O0 -c -o %t.bc
+// RUN: rm -rf %t.klee-out
+// RUN: %klee --output-dir=%t.klee-out --posix-runtime %t.bc --sym-files 1 3
+// RUN: %klee-replay --create-files-only %t.klee-out/test000001.ktest
+
+// RUN: FileCheck --input-file=A --check-prefix=CREATE_FILES_ONLY %s
+// CREATE_FILES_ONLY: abc
+
+// RUN: %cc %s -O0 -o %t2
+// RUN: %klee-replay %t2 %t.klee-out/test000001.ktest | FileCheck --check-prefix=REPLAY %s
+// REPLAY: Yes
+
+#ifdef KLEE_EXECUTION
+#define EXIT klee_silent_exit
+#else
+#define EXIT exit
+#endif
+
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <fcntl.h>
+#include <unistd.h>
+#include <assert.h>
+#include <stdio.h>
+
+int main(int argc, char** argv) {
+  int fd, n;
+  char buf[1024];
+  
+  fd = open("A", O_RDONLY);
+  assert(fd != -1);
+  n = read(fd, buf, 3);
+  assert(n == 3);
+
+  /* Generate a single test, with the first three chars 
+     in the file 'abc' */
+  if (buf[0] == 'a' && buf[1] == 'b' && buf[2] == 'c')
+    printf("Yes\n");
+  else
+    EXIT(0);
+
+  return 0;
+}
+
+    
diff --git a/test/lit.cfg b/test/lit.cfg
index 6cb85712..00b429b6 100644
--- a/test/lit.cfg
+++ b/test/lit.cfg
@@ -133,9 +133,12 @@ if len(kleaver_extra_params) != 0:
   )
 
 # Set absolute paths and extra cmdline args for KLEE's tools
+# If a tool's name is a prefix of another, the longer name has
+# to come first, e.g., klee-replay should come before klee
 subs = [ ('%kleaver', 'kleaver', kleaver_extra_params),
-  ('%klee','klee', klee_extra_params),
-  ('%ktest-tool', 'ktest-tool', '')
+         ('%klee-replay', 'klee-replay', ''),
+         ('%klee','klee', klee_extra_params),
+         ('%ktest-tool', 'ktest-tool', '')
 ]
 for s,basename,extra_args in subs:
   config.substitutions.append(