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Diffstat (limited to 'users/sterni/nix/utf8/tests/default.nix')
| -rw-r--r-- | users/sterni/nix/utf8/tests/default.nix | 14 |
1 files changed, 12 insertions, 2 deletions
diff --git a/users/sterni/nix/utf8/tests/default.nix b/users/sterni/nix/utf8/tests/default.nix index fdc0b067156f..ddcd34208a6d 100644 --- a/users/sterni/nix/utf8/tests/default.nix +++ b/users/sterni/nix/utf8/tests/default.nix @@ -55,13 +55,23 @@ let hexDecode = l: utf8.decode (string.fromBytes (builtins.map int.fromHex l)); - testFailures = it "checks UTF-8 decoding failures" [ + hexEncode = l: utf8.encode (builtins.map int.fromHex l); + + testFailures = it "checks UTF-8 decoding failures" ([ (assertThrows "truncated UTF-8 string throws" (hexDecode [ "F0" "9F" ])) # examples from The Unicode Standard (assertThrows "ill-formed: C0 AF" (hexDecode [ "C0" "AF" ])) (assertThrows "ill-formed: E0 9F 80" (hexDecode [ "E0" "9F" "80" ])) (assertEq "well-formed: F4 80 83 92" (hexDecode [ "F4" "80" "83" "92" ]) [ 1048786 ]) - ]; + (assertThrows "Codepoint out of range: 0xFFFFFF" (hexEncode [ "FFFFFF" ])) + (assertThrows "Codepoint out of range: -0x02" (hexEncode [ "-02" ])) + ] ++ builtins.genList (i: + let + cp = i + int.fromHex "D800"; + in + assertThrows "Can't encode UTF-16 reserved characters: ${utf8.formatCodepoint cp}" + (utf8.encode [ cp ]) + ) (int.fromHex "07FF")); testAscii = it "checks decoding of ascii strings" (builtins.map (s: assertEq "ASCII decoding is equal to UTF-8 decoding for \"${s}\"" |