From 6b77bfc28d36d5b8111e23e15fbe4513a0797f47 Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <edolstra@gmail.com>
Date: Thu, 23 May 2019 23:39:58 +0200
Subject: [PATCH] FlakeRef::to_string(): Check round trip

---
 src/libexpr/primops/flakeref.cc | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/src/libexpr/primops/flakeref.cc b/src/libexpr/primops/flakeref.cc
index 3842b3f1a..c42616374 100644
--- a/src/libexpr/primops/flakeref.cc
+++ b/src/libexpr/primops/flakeref.cc
@@ -194,6 +194,8 @@ std::string FlakeRef::to_string() const
 
     else abort();
 
+    assert(FlakeRef(string) == *this);
+
     return string;
 }