1 files changed, 16 insertions, 0 deletions
diff --git a/tests/util.rs b/tests/util.rs
new file mode 100644
index 0000000000..8fe87e5783
--- /dev/null
+++ b/tests/util.rs
@@ -0,0 +1,16 @@
+use std::fs::File;
+use std::io::Read;
+use std::path::Path;
+
+pub fn read_file<P: AsRef<Path>>(path: P) -> String {
+    let mut string = String::new();
+    let mut f = File::open(path).unwrap();
+    f.read_to_string(&mut string).unwrap();
+    string
+}
+
+#[cfg(target_os = "linux")]
+pub fn read_args_for_proc(pid: u32) -> Vec<String> {
+    let cmdline = read_file(format!("/proc/{}/cmdline", pid));
+    cmdline.split_terminator('\0').map(String::from).collect()
+}