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-rw-r--r--vendor/derivative/tests/derive-clone-generics.rs29
1 files changed, 29 insertions, 0 deletions
diff --git a/vendor/derivative/tests/derive-clone-generics.rs b/vendor/derivative/tests/derive-clone-generics.rs
new file mode 100644
index 000000000..96919f9b3
--- /dev/null
+++ b/vendor/derivative/tests/derive-clone-generics.rs
@@ -0,0 +1,29 @@
+#[cfg(feature = "use_core")]
+extern crate core;
+
+#[macro_use]
+extern crate derivative;
+
+use std::marker::PhantomData;
+
+struct NoClone;
+
+#[derive(Derivative)]
+#[derivative(Clone, PartialEq)]
+struct PhantomField<T> {
+ foo: PhantomData<T>,
+}
+
+#[derive(Derivative)]
+#[derivative(Clone, PartialEq)]
+struct PhantomTuple<T> {
+ foo: PhantomData<(T,)>,
+}
+
+#[test]
+fn main() {
+ let phantom_field = PhantomField::<NoClone> { foo: Default::default() };
+ let phantom_tuple = PhantomTuple::<NoClone> { foo: Default::default() };
+ assert!(phantom_field == phantom_field.clone());
+ assert!(phantom_tuple == phantom_tuple.clone());
+}