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Imported Upstream version 1.9.0+dfsg1
[rustc.git] / src / test / compile-fail / traits-negative-impls.rs
1 // Copyright 2015 The Rust Project Developers. See the COPYRIGHT
2 // file at the top-level directory of this distribution and at
3 // http://rust-lang.org/COPYRIGHT.
4 //
5 // Licensed under the Apache License, Version 2.0 <LICENSE-APACHE or
6 // http://www.apache.org/licenses/LICENSE-2.0> or the MIT license
7 // <LICENSE-MIT or http://opensource.org/licenses/MIT>, at your
8 // option. This file may not be copied, modified, or distributed
9 // except according to those terms.
10
11 // The dummy functions are used to avoid adding new cfail files.
12 // What happens is that the compiler attempts to squash duplicates and some
13 // errors are not reported. This way, we make sure that, for each function, different
14 // typeck phases are involved and all errors are reported.
15
16 #![feature(optin_builtin_traits)]
17
18 use std::marker::Send;
19
20 struct Outer<T: Send>(T);
21
22 struct Outer2<T>(T);
23
24 unsafe impl<T: Send> Sync for Outer2<T> {}
25
26 fn is_send<T: Send>(_: T) {}
27 fn is_sync<T: Sync>(_: T) {}
28
29 fn dummy() {
30 struct TestType;
31 impl !Send for TestType {}
32
33 Outer(TestType);
34 //~^ ERROR `dummy::TestType: std::marker::Send` is not satisfied
35 //~| ERROR `dummy::TestType: std::marker::Send` is not satisfied
36 }
37
38 fn dummy1b() {
39 struct TestType;
40 impl !Send for TestType {}
41
42 is_send(TestType);
43 //~^ ERROR `dummy1b::TestType: std::marker::Send` is not satisfied
44 }
45
46 fn dummy1c() {
47 struct TestType;
48 impl !Send for TestType {}
49
50 is_send((8, TestType));
51 //~^ ERROR `dummy1c::TestType: std::marker::Send` is not satisfied
52 }
53
54 fn dummy2() {
55 struct TestType;
56 impl !Send for TestType {}
57
58 is_send(Box::new(TestType));
59 //~^ ERROR `dummy2::TestType: std::marker::Send` is not satisfied
60 }
61
62 fn dummy3() {
63 struct TestType;
64 impl !Send for TestType {}
65
66 is_send(Box::new(Outer2(TestType)));
67 //~^ ERROR `dummy3::TestType: std::marker::Send` is not satisfied
68 }
69
70 fn main() {
71 struct TestType;
72 impl !Send for TestType {}
73
74 // This will complain about a missing Send impl because `Sync` is implement *just*
75 // for T that are `Send`. Look at #20366 and #19950
76 is_sync(Outer2(TestType));
77 //~^ ERROR `main::TestType: std::marker::Send` is not satisfied
78 }