1 files changed, 14 insertions, 0 deletions
diff --git a/src/test/ui/check-cfg/invalid-cfg-name.rs b/src/test/ui/check-cfg/invalid-cfg-name.rs
new file mode 100644
index 000000000..8499d3d44
--- /dev/null
+++ b/src/test/ui/check-cfg/invalid-cfg-name.rs
@@ -0,0 +1,14 @@
+// Check warning for invalid configuration name
+//
+// edition:2018
+// check-pass
+// compile-flags: --check-cfg=names() -Z unstable-options
+
+#[cfg(widnows)]
+//~^ WARNING unexpected `cfg` condition name
+pub fn f() {}
+
+#[cfg(windows)]
+pub fn g() {}
+
+pub fn main() {}