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-rw-r--r--tests/ui/traits/negative-bounds/simple.rs42
1 files changed, 42 insertions, 0 deletions
diff --git a/tests/ui/traits/negative-bounds/simple.rs b/tests/ui/traits/negative-bounds/simple.rs
new file mode 100644
index 00000000000..f6d1d5169c4
--- /dev/null
+++ b/tests/ui/traits/negative-bounds/simple.rs
@@ -0,0 +1,42 @@
+#![feature(negative_bounds, negative_impls)]
+//~^ WARN the feature `negative_bounds` is incomplete and may not be safe to use and/or cause compiler crashes
+
+fn not_copy<T: !Copy>() {}
+
+fn neg_param_env<T: !Copy>() {
+ not_copy::<T>();
+}
+
+fn pos_param_env<T: Copy>() {
+ not_copy::<T>();
+ //~^ ERROR the trait bound `T: !Copy` is not satisfied
+}
+
+fn unknown<T>() {
+ not_copy::<T>();
+ //~^ ERROR the trait bound `T: !Copy` is not satisfied
+}
+
+struct NotCopyable;
+impl !Copy for NotCopyable {}
+
+fn neg_impl() {
+ not_copy::<NotCopyable>();
+}
+
+#[derive(Copy, Clone)]
+struct Copyable;
+
+fn pos_impl() {
+ not_copy::<Copyable>();
+ //~^ ERROR the trait bound `Copyable: !Copy` is not satisfied
+}
+
+struct NotNecessarilyCopyable;
+
+fn unknown_impl() {
+ not_copy::<NotNecessarilyCopyable>();
+ //~^ ERROR the trait bound `NotNecessarilyCopyable: !Copy` is not satisfied
+}
+
+fn main() {}