add test for nested deprecated

Author: TimNN

src/test/compile-fail/deprecation-lint-nested.rs

@@ -0,0 +1,81 @@
+// Copyright 2016 The Rust Project Developers. See the COPYRIGHT
+// file at the top-level directory of this distribution and at
+// http://rust-lang.org/COPYRIGHT.
+//
+// Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
+// http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
+// <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
+// option. This file may not be copied, modified, or distributed
+// except according to those terms.
+
+#![deny(deprecated)]
+#![allow(warnings)]
+
+#[deprecated]
+fn issue_35128() {
+    format_args!("foo");
+}
+
+#[deprecated]
+fn issue_35128_minimal() {
+    static FOO: &'static str = "foo";
+    let _ = FOO;
+}
+
+#[deprecated]
+mod silent {
+    type DeprecatedType = u8;
+    struct DeprecatedStruct;
+    fn deprecated_fn() {}
+    trait DeprecatedTrait {}
+    static DEPRECATED_STATIC: u8 = 0;
+    const DEPRECATED_CONST: u8 = 1;
+
+    struct Foo(DeprecatedType);
+
+    impl DeprecatedTrait for Foo {}
+
+    impl Foo {
+        fn bar<T: DeprecatedTrait>() {
+            deprecated_fn();
+        }
+    }
+
+    fn foo() -> u8 {
+        DEPRECATED_STATIC +
+        DEPRECATED_CONST
+    }
+}
+
+#[deprecated]
+mod loud {
+    #[deprecated]
+    type DeprecatedType = u8;
+    #[deprecated]
+    struct DeprecatedStruct;
+    #[deprecated]
+    fn deprecated_fn() {}
+    #[deprecated]
+    trait DeprecatedTrait {}
+    #[deprecated]
+    static DEPRECATED_STATIC: u8 = 0;
+    #[deprecated]
+    const DEPRECATED_CONST: u8 = 1;
+
+    struct Foo(DeprecatedType); //~ ERROR use of deprecated item
+
+    impl DeprecatedTrait for Foo {} //~ ERROR use of deprecated item
+
+    impl Foo {
+        fn bar<T: DeprecatedTrait>() { //~ ERROR use of deprecated item
+            deprecated_fn(); //~ ERROR use of deprecated item
+        }
+    }
+
+    fn foo() -> u8 {
+        DEPRECATED_STATIC + //~ ERROR use of deprecated item
+        DEPRECATED_CONST //~ ERROR use of deprecated item
+    }
+}
+
+fn main() {}