New upstream version 1.52.1+dfsg1

[rustc.git] / vendor / rustc-ap-rustc_ast / src / ast / tests.rs

diff --git a/vendor/rustc-ap-rustc_ast/src/ast/tests.rs b/vendor/rustc-ap-rustc_ast/src/ast/tests.rs
new file mode 100644 (file)
index 0000000..8ba55bf
--- /dev/null
+++ b/vendor/rustc-ap-rustc_ast/src/ast/tests.rs
@@ -0,0 +1,11 @@
+use super::*;
+
+// Are ASTs encodable?
+#[test]
+fn check_asts_encodable() {
+    fn assert_encodable<
+        T: for<'a> rustc_serialize::Encodable<rustc_serialize::json::Encoder<'a>>,
+    >() {
+    }
+    assert_encodable::<Crate>();
+}