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1 | // Copyright 2012-2014 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 | // Test that immediate callers have to change when callee changes, but | |
12 | // not callers' callers. | |
13 | ||
54a0048b | 14 | // compile-flags: -Z query-dep-graph |
9cc50fc6 SL |
15 | |
16 | #![feature(rustc_attrs)] | |
17 | #![allow(dead_code)] | |
18 | ||
19 | fn main() { } | |
20 | ||
21 | mod x { | |
22 | #[rustc_if_this_changed] | |
23 | pub fn x() { } | |
24 | } | |
25 | ||
26 | mod y { | |
27 | use x; | |
28 | ||
29 | // These dependencies SHOULD exist: | |
30 | #[rustc_then_this_would_need(TypeckItemBody)] //~ ERROR OK | |
31 | #[rustc_then_this_would_need(TransCrateItem)] //~ ERROR OK | |
32 | pub fn y() { | |
33 | x::x(); | |
34 | } | |
35 | } | |
36 | ||
37 | mod z { | |
38 | use y; | |
39 | ||
40 | // These are expected to yield errors, because changes to `x` | |
41 | // affect the BODY of `y`, but not its signature. | |
42 | #[rustc_then_this_would_need(TypeckItemBody)] //~ ERROR no path | |
43 | #[rustc_then_this_would_need(TransCrateItem)] //~ ERROR no path | |
44 | pub fn z() { | |
45 | y::y(); | |
46 | } | |
47 | } |