Add tests for `nix::sys::termios::tcgetattr()`.

2 files changed, 27 insertions, 0 deletions

diff --git a/tests/sys/termios.rs b/tests/sys/termios.rs
new file mode 100644
index 00000000..24ce3434
--- /dev/null
+++ b/tests/sys/termios.rs
@@ -0,0 +1,21 @@
+use nix::errno::Errno;
+use nix::sys::termios;
+use nix::{NixError, unistd};
+
+#[test]
+fn test_tcgetattr() {
+    for fd in 0..5 {
+        let termios = termios::tcgetattr(fd);
+        match unistd::isatty(fd) {
+            // If `fd` is a TTY, tcgetattr must succeed.
+            Ok(true) => assert!(termios.is_ok()),
+            // If it's an invalid file descriptor, tcgetattr should also return
+            // the same error
+            Err(NixError::Sys(Errno::EBADF)) => {
+                assert!(termios.err() == Some(NixError::Sys(Errno::EBADF)));
+            },
+            // Otherwise it should return any error
+            _ => assert!(termios.is_err())
+        }
+    }
+}
diff --git a/tests/tests.rs b/tests/tests.rs
new file mode 100644
index 00000000..b0b09a2b
--- /dev/null
+++ b/tests/tests.rs
@@ -0,0 +1,6 @@
+#![feature(core)]
+extern crate nix;
+
+mod sys {
+    mod termios;
+}