tests/ui/sepcomp/sepcomp-fns.rs

   1 // run-pass
   2 // compile-flags: -C codegen-units=3
   3
   4 // Test basic separate compilation functionality.  The functions should be able
   5 // to call each other even though they will be placed in different compilation
   6 // units.
   7
   8 // Generate some code in the first compilation unit before declaring any
   9 // modules.  This ensures that the first module doesn't go into the same
  10 // compilation unit as the top-level module.
  11
  12 fn one() -> usize { 1 }
  13
  14 mod a {
  15     pub fn two() -> usize {
  16         ::one() + ::one()
  17     }
  18 }
  19
  20 mod b {
  21     pub fn three() -> usize {
  22         ::one() + ::a::two()
  23     }
  24 }
  25
  26 fn main() {
  27     assert_eq!(one(), 1);
  28     assert_eq!(a::two(), 2);
  29     assert_eq!(b::three(), 3);
  30 }