1 files changed, 68 insertions, 0 deletions
diff --git a/vendor/derivative/tests/rustc-deriving-cmp-generic-enum.rs b/vendor/derivative/tests/rustc-deriving-cmp-generic-enum.rs
new file mode 100644
index 000000000..d7bbe3998
--- /dev/null
+++ b/vendor/derivative/tests/rustc-deriving-cmp-generic-enum.rs
@@ -0,0 +1,68 @@
+// Copyright 2013 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+// no-pretty-expanded FIXME #15189
+
+#[cfg(feature = "use_core")]
+extern crate core;
+
+#[macro_use]
+extern crate derivative;
+
+#[derive(Derivative)]
+#[derivative(
+    PartialEq = "feature_allow_slow_enum",
+    Eq,
+    PartialOrd = "feature_allow_slow_enum",
+    Ord = "feature_allow_slow_enum"
+)]
+enum E<T> {
+    V0,
+    V1(T),
+    V2(T, T),
+}
+
+#[test]
+fn main() {
+    let e0 = E::V0;
+    let e11 = E::V1(1);
+    let e12 = E::V1(2);
+    let e21 = E::V2(1, 1);
+    let e22 = E::V2(1, 2);
+
+    // in order for both PartialOrd and Ord
+    let es = [e0, e11, e12, e21, e22];
+
+    for (i, e1) in es.iter().enumerate() {
+        for (j, e2) in es.iter().enumerate() {
+            let ord = i.cmp(&j);
+
+            let eq = i == j;
+            let lt = i < j;
+            let le = i <= j;
+            let gt = i > j;
+            let ge = i >= j;
+
+            // PartialEq
+            assert_eq!(*e1 == *e2, eq);
+            assert_eq!(*e1 != *e2, !eq);
+
+            // PartialOrd
+            assert_eq!(*e1 < *e2, lt);
+            assert_eq!(*e1 > *e2, gt);
+
+            assert_eq!(*e1 <= *e2, le);
+            assert_eq!(*e1 >= *e2, ge);
+
+            // Ord
+            assert_eq!(e1.cmp(e2), ord);
+        }
+    }
+}