diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/unit/mbyte_spec.lua | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/test/unit/mbyte_spec.lua b/test/unit/mbyte_spec.lua index e0c0244989..0a322ce651 100644 --- 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) |