commit 12f614061e233537549d9e5483d8bf048aa4a1a5
author Andrew Walbran <qwandor@google.com> Wed Oct 14 11:10:53 2020 +0100
committer Andrew Walbran <qwandor@google.com> Wed Oct 14 11:12:15 2020 +0100
tree b32ec4ec66a2e4f0da2bc04fcbc7c1080b2c405d
parent d1645119bb27177840b5454085c2a50fc8f34ba4

Import nix crate.

Bug: 170784756
Test: mm
Change-Id: Ia7f0f09de3adfa46f04a63c5a65a39bab08a0145

test/test_clearenv.rs

diff --git a/test/test_clearenv.rs b/test/test_clearenv.rs
new file mode 100644
index 0000000..28a7768
--- /dev/null
+++ b/test/test_clearenv.rs
@@ -0,0 +1,9 @@
+use std::env;
+
+#[test]
+fn clearenv() {
+    env::set_var("FOO", "BAR");
+    unsafe { nix::env::clearenv() }.unwrap();
+    assert_eq!(env::var("FOO").unwrap_err(), env::VarError::NotPresent);
+    assert_eq!(env::vars().count(), 0);
+}