1 files changed, 33 insertions, 0 deletions
diff --git a/test/Runtime/POSIX/Isatty.c b/test/Runtime/POSIX/Isatty.c
new file mode 100644
index 00000000..6a78dc96
--- /dev/null
+++ b/test/Runtime/POSIX/Isatty.c
@@ -0,0 +1,33 @@
+// RUN: %llvmgcc %s -emit-llvm -O0 -c -o %t.bc
+// RUN: %klee --libc=uclibc --posix-runtime --init-env %t.bc --sym-files 0 10 --sym-stdout 2>%t.log
+
+// RUN: test -f klee-last/test000001.bout
+// RUN: test -f klee-last/test000002.bout
+// RUN: test -f klee-last/test000003.bout
+// RUN: test -f klee-last/test000004.bout
+
+// RUN: grep -q "stdin is a tty" %t.log
+// RUN: grep -q "stdin is NOT a tty" %t.log
+// RUN: grep -q "stdout is a tty" %t.log
+// RUN: grep -q "stdout is NOT a tty" %t.log
+
+#include <unistd.h>
+#include <stdio.h>
+#include <assert.h>
+
+int main(int argc, char** argv) {
+  int fd0 = 0; // stdin
+  int fd1 = 1; // stdout
+
+  int r = isatty(fd0);
+  if (r) 
+    fprintf(stderr, "stdin is a tty\n");
+  else fprintf(stderr, "stdin is NOT a tty\n");
+  
+  r = isatty(fd1);
+  if (r) 
+    fprintf(stderr, "stdout is a tty\n");
+  else fprintf(stderr, "stdout is NOT a tty\n");
+
+  return 0;
+}