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-rw-r--r--src/test/run-make/libtest-thread-limit/Makefile7
-rw-r--r--src/test/run-make/libtest-thread-limit/test.rs20
2 files changed, 27 insertions, 0 deletions
diff --git a/src/test/run-make/libtest-thread-limit/Makefile b/src/test/run-make/libtest-thread-limit/Makefile
new file mode 100644
index 000000000..29c1bc71d
--- /dev/null
+++ b/src/test/run-make/libtest-thread-limit/Makefile
@@ -0,0 +1,7 @@
+-include ../../run-make-fulldeps/tools.mk
+
+# only-linux
+
+all:
+ $(RUSTC) test.rs --test --target $(TARGET)
+ $(shell ulimit -p 0 && $(call RUN,test))
diff --git a/src/test/run-make/libtest-thread-limit/test.rs b/src/test/run-make/libtest-thread-limit/test.rs
new file mode 100644
index 000000000..26bc29216
--- /dev/null
+++ b/src/test/run-make/libtest-thread-limit/test.rs
@@ -0,0 +1,20 @@
+#![feature(once_cell)]
+
+use std::{
+ io::ErrorKind,
+ sync::OnceLock,
+ thread::{self, Builder, ThreadId},
+};
+
+static THREAD_ID: OnceLock<ThreadId> = OnceLock::new();
+
+#[test]
+fn spawn_thread_would_block() {
+ assert_eq!(Builder::new().spawn(|| unreachable!()).unwrap_err().kind(), ErrorKind::WouldBlock);
+ THREAD_ID.set(thread::current().id()).unwrap();
+}
+
+#[test]
+fn run_in_same_thread() {
+ assert_eq!(*THREAD_ID.get().unwrap(), thread::current().id());
+}