1 files changed, 15 insertions, 0 deletions
diff --git a/lib/tests/misc.nix b/lib/tests/misc.nix
index c719fcf5d4fae..faf2b96530c1c 100644
--- a/lib/tests/misc.nix
+++ b/lib/tests/misc.nix
@@ -212,6 +212,21 @@ runTests {
     expected = [ "1" "2" "3" ];
   };
 
+  testPadVersionLess = {
+    expr = versions.pad 3 "1.2";
+    expected = "1.2.0";
+  };
+
+  testPadVersionLessExtra = {
+    expr = versions.pad 3 "1.3-rc1";
+    expected = "1.3.0-rc1";
+  };
+
+  testPadVersionMore = {
+    expr = versions.pad 3 "1.2.3.4";
+    expected = "1.2.3";
+  };
+
   testIsStorePath =  {
     expr =
       let goodPath =