More asserts.

Author: sunfishcode

tests/fs_additional.rs

@@ -413,8 +413,17 @@ fn symlink_hard_link() {
     check!(tmpdir.create("file"));
     check!(symlink_file("file", &tmpdir, "symlink"));
     check!(tmpdir.hard_link("symlink", &tmpdir, "hard_link"));
+    let _ = check!(tmpdir.open("file"));
+    assert!(tmpdir.open("file.renamed").is_err());
+    let _ = check!(tmpdir.open("symlink"));
     let _ = check!(tmpdir.open("hard_link"));
     check!(tmpdir.rename("file", &tmpdir, "file.renamed"));
+    assert!(tmpdir.open("file").is_err());
+    let _ = check!(tmpdir.open("file.renamed"));
+    assert!(tmpdir.open("symlink").is_err());
     assert!(tmpdir.open("hard_link").is_err());
+    assert!(tmpdir.read_link("file").is_err());
+    assert!(tmpdir.read_link("file.renamed").is_err());
+    assert_eq!(check!(tmpdir.read_link("symlink")), Path::new("file"));
     assert_eq!(check!(tmpdir.read_link("hard_link")), Path::new("file"));
 }