assert!(vars_os().any(|(k, v)| { &*k == &*n && &*v == "VALUE" }));
}
+
+#[test]
+#[cfg_attr(not(any(unix, windows)), ignore, allow(unused))]
+#[allow(deprecated)]
+fn env_home_dir() {
+ use std::path::PathBuf;
+
+ fn var_to_os_string(var: Result<String, VarError>) -> Option<OsString> {
+ match var {
+ Ok(var) => Some(OsString::from(var)),
+ Err(VarError::NotUnicode(var)) => Some(var),
+ _ => None,
+ }
+ }
+
+ cfg_if::cfg_if! {
+ if #[cfg(unix)] {
+ let oldhome = var_to_os_string(var("HOME"));
+
+ set_var("HOME", "/home/MountainView");
+ assert_eq!(home_dir(), Some(PathBuf::from("/home/MountainView")));
+
+ remove_var("HOME");
+ if cfg!(target_os = "android") {
+ assert!(home_dir().is_none());
+ } else {
+ // When HOME is not set, some platforms return `None`,
+ // but others return `Some` with a default.
+ // Just check that it is not "/home/MountainView".
+ assert_ne!(home_dir(), Some(PathBuf::from("/home/MountainView")));
+ }
+
+ if let Some(oldhome) = oldhome { set_var("HOME", oldhome); }
+ } else if #[cfg(windows)] {
+ let oldhome = var_to_os_string(var("HOME"));
+ let olduserprofile = var_to_os_string(var("USERPROFILE"));
+
+ remove_var("HOME");
+ remove_var("USERPROFILE");
+
+ assert!(home_dir().is_some());
+
+ set_var("HOME", "/home/MountainView");
+ assert_eq!(home_dir(), Some(PathBuf::from("/home/MountainView")));
+
+ remove_var("HOME");
+
+ set_var("USERPROFILE", "/home/MountainView");
+ assert_eq!(home_dir(), Some(PathBuf::from("/home/MountainView")));
+
+ set_var("HOME", "/home/MountainView");
+ set_var("USERPROFILE", "/home/PaloAlto");
+ assert_eq!(home_dir(), Some(PathBuf::from("/home/MountainView")));
+
+ remove_var("HOME");
+ remove_var("USERPROFILE");
+
+ if let Some(oldhome) = oldhome { set_var("HOME", oldhome); }
+ if let Some(olduserprofile) = olduserprofile { set_var("USERPROFILE", olduserprofile); }
+ }
+ }
+}