diff options
| -rw-r--r-- | src/test/auxiliary/static-function-pointer-aux.rs | 14 | ||||
| -rw-r--r-- | src/test/run-pass/static-function-pointer.rs | 18 |
2 files changed, 30 insertions, 2 deletions
diff --git a/src/test/auxiliary/static-function-pointer-aux.rs b/src/test/auxiliary/static-function-pointer-aux.rs new file mode 100644 index 00000000000..fcf82b13605 --- /dev/null +++ b/src/test/auxiliary/static-function-pointer-aux.rs @@ -0,0 +1,14 @@ +// Copyright 2012 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. + +fn f(x: int) -> int { -x } + +pub static F: extern fn(int) -> int = f; +pub static mut MutF: extern fn(int) -> int = f; diff --git a/src/test/run-pass/static-function-pointer.rs b/src/test/run-pass/static-function-pointer.rs index 0bb8c4e2cc3..2e29ce1ef45 100644 --- a/src/test/run-pass/static-function-pointer.rs +++ b/src/test/run-pass/static-function-pointer.rs @@ -8,12 +8,26 @@ // option. This file may not be copied, modified, or distributed // except according to those terms. +// aux-build:static-function-pointer-aux.rs +extern mod aux(name = "static-function-pointer-aux"); + fn f(x: int) -> int { x } +fn g(x: int) -> int { 2 * x } static F: extern fn(int) -> int = f; static mut G: extern fn(int) -> int = f; fn main() { - F(42); - unsafe { G(7); } + assert_eq!(F(42), 42); + unsafe { + assert_eq!(G(42), 42); + G = g; + assert_eq!(G(42), 84); + } + assert_eq!(aux::F(42), -42); + unsafe { + assert_eq!(aux::MutF(42), -42); + aux::MutF = f; + assert_eq!(aux::MutF(42), 42); + } } |