1 files changed, 129 insertions, 0 deletions
diff --git a/third_party/rust/redox_syscall/src/tests.rs b/third_party/rust/redox_syscall/src/tests.rs
new file mode 100644
index 0000000000..cf89ec96ae
--- /dev/null
+++ b/third_party/rust/redox_syscall/src/tests.rs
@@ -0,0 +1,129 @@
+#[test]
+fn brk() {
+    unsafe {
+        let start = dbg!(crate::brk(0)).unwrap();
+        let end = start + 4 * 1024 * 1024;
+        assert_eq!(dbg!(crate::brk(end)), Ok(end));
+    }
+}
+
+#[test]
+fn chdir() {
+    //TODO: Verify CWD
+    assert_eq!(dbg!(crate::chdir("file:/")), Ok(0));
+    assert_eq!(dbg!(crate::chdir("file:/root")), Ok(0));
+}
+
+//TODO: chmod
+
+#[test]
+fn clone() {
+    let expected_status = 42;
+    let pid_res = unsafe { crate::clone(0) };
+    if pid_res == Ok(0) {
+        crate::exit(expected_status).unwrap();
+        panic!("failed to exit");
+    } else {
+        let pid = dbg!(pid_res).unwrap();
+        let mut status = 0;
+        assert_eq!(dbg!(crate::waitpid(pid, &mut status, 0)), Ok(pid));
+        assert_eq!(dbg!(crate::wifexited(status)), true);
+        assert_eq!(dbg!(crate::wexitstatus(status)), expected_status);
+    }
+}
+
+//TODO: close
+
+#[test]
+fn clock_gettime() {
+    let mut tp = crate::TimeSpec::default();
+    assert_eq!(dbg!(
+        crate::clock_gettime(crate::CLOCK_MONOTONIC, &mut tp)
+    ), Ok(0));
+    assert_ne!(dbg!(tp), crate::TimeSpec::default());
+
+    tp = crate::TimeSpec::default();
+    assert_eq!(dbg!(
+        crate::clock_gettime(crate::CLOCK_REALTIME, &mut tp)
+    ), Ok(0));
+    assert_ne!(dbg!(tp), crate::TimeSpec::default());
+}
+
+//TODO: dup
+
+//TODO: dup2
+
+//TODO: exit (handled by clone?)
+
+//TODO: fchmod
+
+//TODO: fcntl
+
+#[test]
+fn fexec() {
+    let name = "/bin/ls";
+
+    let fd = dbg!(
+        crate::open(name, crate::O_RDONLY | crate::O_CLOEXEC)
+    ).unwrap();
+
+    let args = &[
+        [name.as_ptr() as usize, name.len()]
+    ];
+
+    let vars = &[];
+
+    let pid_res = unsafe { crate::clone(0) };
+    if pid_res == Ok(0) {
+        crate::fexec(fd, args, vars).unwrap();
+        panic!("failed to fexec");
+    } else {
+        assert_eq!(dbg!(crate::close(fd)), Ok(0));
+
+        let pid = dbg!(pid_res).unwrap();
+        let mut status = 0;
+        assert_eq!(dbg!(crate::waitpid(pid, &mut status, 0)), Ok(pid));
+        assert_eq!(dbg!(crate::wifexited(status)), true);
+        assert_eq!(dbg!(crate::wexitstatus(status)), 0);
+    }
+}
+
+#[test]
+fn fmap() {
+    use std::slice;
+
+    let fd = dbg!(
+        crate::open(
+            "/tmp/syscall-tests-fmap",
+            crate::O_CREAT | crate::O_RDWR | crate::O_CLOEXEC
+        )
+    ).unwrap();
+
+    let map = unsafe {
+        slice::from_raw_parts_mut(
+            dbg!(
+                crate::fmap(fd, &crate::Map {
+                    offset: 0,
+                    size: 128,
+                    flags: crate::PROT_READ | crate::PROT_WRITE
+                })
+            ).unwrap() as *mut u8,
+            128
+        )
+    };
+
+    // Maps should be available after closing
+    assert_eq!(dbg!(crate::close(fd)), Ok(0));
+
+    for i in 0..128 {
+        map[i as usize] = i;
+        assert_eq!(map[i as usize], i);
+    }
+
+    //TODO: add msync
+    unsafe {
+        assert_eq!(dbg!(
+            crate::funmap(map.as_mut_ptr() as usize)
+        ), Ok(0));
+    }
+}