src/test/compile-fail/macro-backtrace-invalid-internals.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 // Macros in statement vs expression position handle backtraces differently.
  12
  13 macro_rules! fake_method_stmt { //~ NOTE in expansion of
  14      () => {
  15           1.fake() //~ ERROR does not implement any method
  16      }
  17 }
  18
  19 macro_rules! fake_field_stmt { //~ NOTE in expansion of
  20      () => {
  21           1.fake //~ ERROR no field with that name
  22      }
  23 }
  24
  25 macro_rules! fake_anon_field_stmt { //~ NOTE in expansion of
  26      () => {
  27           (1).0 //~ ERROR type was not a tuple
  28      }
  29 }
  30
  31 macro_rules! fake_method_expr { //~ NOTE in expansion of
  32      () => {
  33           1.fake() //~ ERROR does not implement any method
  34      }
  35 }
  36
  37 macro_rules! fake_field_expr {
  38      () => {
  39           1.fake
  40      }
  41 }
  42
  43 macro_rules! fake_anon_field_expr {
  44      () => {
  45           (1).0
  46      }
  47 }
  48
  49 fn main() {
  50     fake_method_stmt!(); //~ NOTE expansion site
  51     fake_field_stmt!(); //~ NOTE expansion site
  52     fake_anon_field_stmt!(); //~ NOTE expansion site
  53
  54     let _ = fake_method_expr!(); //~ NOTE expansion site
  55     let _ = fake_field_expr!(); //~ ERROR no field with that name
  56     let _ = fake_anon_field_expr!(); //~ ERROR type was not a tuple
  57 }