refactor(multibyte): neo-casefolding without allocation

fixes #30400
2026-05-01 03:24:49 +00:00 · 2024-09-16 19:28:37 +02:00
parent 69553f7bf5
commit 2dfa6f6033
2 changed files with 9 additions and 14 deletions
--- a/test/unit/mbyte_spec.lua
+++ b/test/unit/mbyte_spec.lua
@@ -351,6 +351,12 @@ describe('mbyte', function()
  describe('utf_fold', function()
    itp('does not crash with surrogates #30527', function()
      eq(0xDDFB, lib.utf_fold(0xDDFB))
+      eq(0xd800, lib.utf_fold(0xd800)) -- high surrogate, invalid as a character
+    end)
+
+    itp("doesn't crash on invalid codepoints", function()
+      eq(9000000, lib.utf_fold(9000000))
+      eq(0, lib.utf_fold(0))
    end)
  end)
 end)