src/test/run-pass/env-home-dir.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 #![allow(unused_variables)]
  12 #![allow(deprecated)]
  13 // ignore-cloudabi no environment variables present
  14 // ignore-emscripten env vars don't work?
  15
  16 use std::env::*;
  17 use std::path::PathBuf;
  18
  19 #[cfg(unix)]
  20 fn main() {
  21     let oldhome = var("HOME");
  22
  23     set_var("HOME", "/home/MountainView");
  24     assert_eq!(home_dir(), Some(PathBuf::from("/home/MountainView")));
  25
  26     remove_var("HOME");
  27     if cfg!(target_os = "android") {
  28         assert!(home_dir().is_none());
  29     } else {
  30         // When HOME is not set, some platforms return `None`,
  31         // but others return `Some` with a default.
  32         // Just check that it is not "/home/MountainView".
  33         assert_ne!(home_dir(), Some(PathBuf::from("/home/MountainView")));
  34     }
  35 }
  36
  37 #[cfg(windows)]
  38 fn main() {
  39     let oldhome = var("HOME");
  40     let olduserprofile = var("USERPROFILE");
  41
  42     remove_var("HOME");
  43     remove_var("USERPROFILE");
  44
  45     assert!(home_dir().is_some());
  46
  47     set_var("HOME", "/home/MountainView");
  48     assert_eq!(home_dir(), Some(PathBuf::from("/home/MountainView")));
  49
  50     remove_var("HOME");
  51
  52     set_var("USERPROFILE", "/home/MountainView");
  53     assert_eq!(home_dir(), Some(PathBuf::from("/home/MountainView")));
  54
  55     set_var("HOME", "/home/MountainView");
  56     set_var("USERPROFILE", "/home/PaloAlto");
  57     assert_eq!(home_dir(), Some(PathBuf::from("/home/MountainView")));
  58 }