From b3207d531d01c1dc6c1f3d4e7b1c20a1546fe108 Mon Sep 17 00:00:00 2001
From: varkor <github@varkor.com>
Date: Sat, 11 May 2019 00:08:40 +0100
Subject: [PATCH] Add test for const impl

---
 .../const-generics/impl-const-generic-struct.rs  | 16 ++++++++++++++++
 .../impl-const-generic-struct.stderr             |  6 ++++++
 2 files changed, 22 insertions(+)
 create mode 100644 src/test/ui/const-generics/impl-const-generic-struct.rs
 create mode 100644 src/test/ui/const-generics/impl-const-generic-struct.stderr

diff --git a/src/test/ui/const-generics/impl-const-generic-struct.rs b/src/test/ui/const-generics/impl-const-generic-struct.rs
new file mode 100644
index 0000000000000..7a0c0f2be5d7a
--- /dev/null
+++ b/src/test/ui/const-generics/impl-const-generic-struct.rs
@@ -0,0 +1,16 @@
+// run-pass
+
+#![feature(const_generics)]
+//~^ WARN the feature `const_generics` is incomplete and may cause the compiler to crash
+
+struct S<const X: u32>;
+
+impl<const X: u32> S<{X}> {
+    fn x() -> u32 {
+        X
+    }
+}
+
+fn main() {
+    assert_eq!(S::<19>::x(), 19);
+}
diff --git a/src/test/ui/const-generics/impl-const-generic-struct.stderr b/src/test/ui/const-generics/impl-const-generic-struct.stderr
new file mode 100644
index 0000000000000..d443e060a9747
--- /dev/null
+++ b/src/test/ui/const-generics/impl-const-generic-struct.stderr
@@ -0,0 +1,6 @@
+warning: the feature `const_generics` is incomplete and may cause the compiler to crash
+  --> $DIR/impl-const-generic-struct.rs:3:12
+   |
+LL | #![feature(const_generics)]
+   |            ^^^^^^^^^^^^^^
+