From 87a0aaa77dd94a5a83e4cc0d00e06528d5ce8edc Mon Sep 17 00:00:00 2001
From: sterni <sternenseemann@systemli.org>
Date: Tue, 23 Nov 2021 19:23:54 +0100
Subject: feat(sterni/nix/utf8): implement UTF-8 encoding

This implementation is still a bit rough as it doesn't check if the
produced string is valid UTF-8 which may happen if an invalid Unicode
codepoint is passed.

Change-Id: Ibaa91dafa8937142ef704a175efe967b62e3ee7b
---
 users/sterni/nix/utf8/tests/default.nix | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'users/sterni/nix/utf8/tests/default.nix')

diff --git a/users/sterni/nix/utf8/tests/default.nix b/users/sterni/nix/utf8/tests/default.nix
index 2f8054fad6d9..fdc0b067156f 100644
--- a/users/sterni/nix/utf8/tests/default.nix
+++ b/users/sterni/nix/utf8/tests/default.nix
@@ -113,9 +113,19 @@ let
         randomUnicode
       ]));
 
+  testDecodingEncoding = it "checks that decoding and then encoding forms an identity"
+    (builtins.map
+      (s: assertEq "Decoding and then encoding “${s}” yields itself"
+        (utf8.encode (utf8.decode s)) s)
+      (lib.flatten [
+        glassSentences
+        randomUnicode
+      ]));
+
 in
   runTestsuite "nix.utf8" [
     testFailures
     testAscii
     testDecoding
+    testDecodingEncoding
   ]
-- 
cgit 1.4.1