1 files changed, 24 insertions, 0 deletions
diff --git a/nixpkgs/lib/tests/misc.nix b/nixpkgs/lib/tests/misc.nix
index 4b2e5afc1d60..7b3a6b4e60b8 100644
--- a/nixpkgs/lib/tests/misc.nix
+++ b/nixpkgs/lib/tests/misc.nix
@@ -246,6 +246,11 @@ runTests {
     };
   };
 
+  testEscapeXML = {
+    expr = escapeXML ''"test" 'test' < & >'';
+    expected = "&quot;test&quot; &apos;test&apos; &lt; &amp; &gt;";
+  };
+
 # LISTS
 
   testFilter = {
@@ -529,6 +534,25 @@ runTests {
     };
   };
 
+  testToPrettyLimit =
+    let
+      a.b = 1;
+      a.c = a;
+    in {
+      expr = generators.toPretty { } (generators.withRecursion { throwOnDepthLimit = false; depthLimit = 2; } a);
+      expected = "{\n  b = 1;\n  c = {\n    b = \"<unevaluated>\";\n    c = {\n      b = \"<unevaluated>\";\n      c = \"<unevaluated>\";\n    };\n  };\n}";
+    };
+
+  testToPrettyLimitThrow =
+    let
+      a.b = 1;
+      a.c = a;
+    in {
+      expr = (builtins.tryEval
+        (generators.toPretty { } (generators.withRecursion { depthLimit = 2; } a))).success;
+      expected = false;
+    };
+
   testToPrettyMultiline = {
     expr = mapAttrs (const (generators.toPretty { })) rec {
       list = [ 3 4 [ false ] ];