1 files changed, 11 insertions, 0 deletions
diff --git a/src/test/ui/threads-sendsync/test-tasks-invalid-value.rs b/src/test/ui/threads-sendsync/test-tasks-invalid-value.rs
new file mode 100644
index 000000000..641142142
--- /dev/null
+++ b/src/test/ui/threads-sendsync/test-tasks-invalid-value.rs
@@ -0,0 +1,11 @@
+// This checks that RUST_TEST_THREADS not being 1, 2, ... is detected
+// properly.
+
+// run-fail
+// error-pattern:should be a positive integer
+// compile-flags: --test
+// exec-env:RUST_TEST_THREADS=foo
+// ignore-emscripten
+
+#[test]
+fn do_nothing() {}