1 files changed, 32 insertions, 0 deletions
diff --git a/src/test/ui/kindck/kindck-send-object1.rs b/src/test/ui/kindck/kindck-send-object1.rs
new file mode 100644
index 000000000..787d0f8f6
--- /dev/null
+++ b/src/test/ui/kindck/kindck-send-object1.rs
@@ -0,0 +1,32 @@
+// Test which object types are considered sendable. This test
+// is broken into two parts because some errors occur in distinct
+// phases in the compiler. See kindck-send-object2.rs as well!
+
+fn assert_send<T:Send+'static>() { }
+trait Dummy { }
+
+// careful with object types, who knows what they close over...
+fn test51<'a>() {
+    assert_send::<&'a dyn Dummy>();
+    //~^ ERROR `(dyn Dummy + 'a)` cannot be shared between threads safely [E0277]
+}
+fn test52<'a>() {
+    assert_send::<&'a (dyn Dummy + Sync)>();
+}
+
+// ...unless they are properly bounded
+fn test60() {
+    assert_send::<&'static (dyn Dummy + Sync)>();
+}
+fn test61() {
+    assert_send::<Box<dyn Dummy + Send>>();
+}
+
+// closure and object types can have lifetime bounds which make
+// them not ok
+fn test_71<'a>() {
+    assert_send::<Box<dyn Dummy + 'a>>();
+    //~^ ERROR `(dyn Dummy + 'a)` cannot be sent between threads safely
+}
+
+fn main() { }