Auto merge of #97086 - 5225225:link-section-is-unsafe, r=davidtwco

[rust.git] / library / std / src / ffi / os_str / tests.rs

diff --git a/library/std/src/ffi/os_str/tests.rs b/library/std/src/ffi/os_str/tests.rs
index 283f2b577e89607bdd9940cc8b4c4d4300b35888..d7926749aae2090416729d0aec53db4bf0a6b276 100644 (file)
--- a/library/std/src/ffi/os_str/tests.rs
+++ b/library/std/src/ffi/os_str/tests.rs
@@ -84,6 +84,20 @@ fn test_os_string_reserve_exact() {
     assert!(os_string.capacity() >= 33)
 }
 
+#[test]
+fn test_os_string_join() {
+    let strings = [OsStr::new("hello"), OsStr::new("dear"), OsStr::new("world")];
+    assert_eq!("hello", strings[..1].join(OsStr::new(" ")));
+    assert_eq!("hello dear world", strings.join(OsStr::new(" ")));
+    assert_eq!("hellodearworld", strings.join(OsStr::new("")));
+    assert_eq!("hello.\n dear.\n world", strings.join(OsStr::new(".\n ")));
+
+    assert_eq!("dear world", strings[1..].join(&OsString::from(" ")));
+
+    let strings_abc = [OsString::from("a"), OsString::from("b"), OsString::from("c")];
+    assert_eq!("a b c", strings_abc.join(OsStr::new(" ")));
+}
+
 #[test]
 fn test_os_string_default() {
     let os_string: OsString = Default::default();