Add test for available_parallelism()

This is a redo of (this PR)[rust-lang#104095]. Add test for available_parallelism
D0liphin · Sep 22, 2024 · ae63403 · ae63403
1 parent 8ed95d1
commit ae63403
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/library/std/tests/thread.rs b/library/std/tests/thread.rs
@@ -37,3 +37,11 @@ fn thread_local_containing_const_statements() {
     assert_eq!(CELL.get(), 1);
     assert_eq!(REFCELL.take(), 1);
 }
+
+#[test]
+// Include an ignore list on purpose, so that new platforms don't miss it
+#[cfg(not(any(target_os = "redox", target_os = "l4re")))]
+fn available_parallelism() {
+    // check that std::thread::available_parallelism() returns a valid value
+    assert!(thread::available_parallelism().is_ok());
+}