1 files changed, 20 insertions, 0 deletions
diff --git a/tests/ui/check-cfg/no-expected-values.rs b/tests/ui/check-cfg/no-expected-values.rs
new file mode 100644
index 000000000..9e2a9f09a
--- /dev/null
+++ b/tests/ui/check-cfg/no-expected-values.rs
@@ -0,0 +1,20 @@
+// Check that we detect unexpected value when none are allowed
+//
+// check-pass
+// revisions: values simple mixed empty
+// compile-flags: -Z unstable-options
+// compile-flags: --check-cfg=cfg(values,simple,mixed,empty)
+// [values]compile-flags: --check-cfg=values(test) --check-cfg=values(feature)
+// [simple]compile-flags: --check-cfg=cfg(test) --check-cfg=cfg(feature)
+// [mixed]compile-flags: --check-cfg=cfg(test,feature)
+// [empty]compile-flags: --check-cfg=cfg(test,feature,values())
+
+#[cfg(feature = "foo")]
+//~^ WARNING unexpected `cfg` condition value
+fn do_foo() {}
+
+#[cfg(test = "foo")]
+//~^ WARNING unexpected `cfg` condition value
+fn do_foo() {}
+
+fn main() {}