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authorDavid Wood <david@davidtw.co>2018-08-08 14:28:26 +0200
committerDavid Wood <david@davidtw.co>2018-08-14 10:38:00 +0200
commitb16a30677f4e641329e768272cf9d3ecc2fa31c4 (patch)
treed3e652eb74da6147d2ae1514977c93c785c733a2 /src/test/ui/compile-fail-migration/traits-issue-23003-overflow.rs
parentfe28bcf1db02afe184e3677ee034b2a5804f2466 (diff)
downloadrust-b16a30677f4e641329e768272cf9d3ecc2fa31c4.tar.gz
rust-b16a30677f4e641329e768272cf9d3ecc2fa31c4.zip
Moved compile-fail tests to ui tests.
Diffstat (limited to 'src/test/ui/compile-fail-migration/traits-issue-23003-overflow.rs')
-rw-r--r--src/test/ui/compile-fail-migration/traits-issue-23003-overflow.rs39
1 files changed, 39 insertions, 0 deletions
diff --git a/src/test/ui/compile-fail-migration/traits-issue-23003-overflow.rs b/src/test/ui/compile-fail-migration/traits-issue-23003-overflow.rs
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index 00000000000..80d2884ee60
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+++ b/src/test/ui/compile-fail-migration/traits-issue-23003-overflow.rs
@@ -0,0 +1,39 @@
+// Copyright 2015 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.
+
+// A variant of traits-issue-23003 in which an infinite series of
+// types are required. This test now just compiles fine, since the
+// relevant rules that triggered the overflow were removed.
+
+#![feature(rustc_attrs)]
+#![allow(dead_code)]
+
+use std::marker::PhantomData;
+
+trait Async {
+    type Cancel;
+}
+
+struct Receipt<A:Async> {
+    marker: PhantomData<A>,
+}
+
+struct Complete<B> {
+    core: Option<B>,
+}
+
+impl<B> Async for Complete<B> {
+    type Cancel = Receipt<Complete<Option<B>>>;
+}
+
+fn foo(_: Receipt<Complete<()>>) { }
+
+#[rustc_error]
+fn main() { } //~ ERROR compilation successful