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-rw-r--r--tests/test.lua1
-rw-r--r--tests/test_utf8.lua19
-rw-r--r--tests/utf8_sequences.txt52
3 files changed, 72 insertions, 0 deletions
diff --git a/tests/test.lua b/tests/test.lua
index f7475a80..78f2b234 100644
--- a/tests/test.lua
+++ b/tests/test.lua
@@ -22,6 +22,7 @@ function run_all_tests()
dotest "util.sasl.scram"
dosingletest("test_sasl.lua", "latin1toutf8");
+ dosingletest("test_utf8.lua", "valid");
end
local verbosity = tonumber(arg[1]) or 2;
diff --git a/tests/test_utf8.lua b/tests/test_utf8.lua
new file mode 100644
index 00000000..481eff5d
--- /dev/null
+++ b/tests/test_utf8.lua
@@ -0,0 +1,19 @@
+package.cpath = "../?.so"
+package.path = "../?.lua";
+
+function valid()
+ local encodings = require "util.encodings";
+ local utf8 = assert(encodings.utf8, "no encodings.utf8 module");
+
+ for line in io.lines("utf8_sequences.txt") do
+ local data = line:match(":%s*([^#]+)"):gsub("%s+", ""):gsub("..", function (c) return string.char(tonumber(c, 16)); end)
+ local expect = line:match("(%S+):");
+ if expect ~= "pass" and expect ~= "fail" then
+ error("unknown expectation: "..line:match("^[^:]+"));
+ end
+ local prefix, style = " ", valid_style;
+ local valid = utf8.valid(data);
+ assert_equal(valid, utf8.valid(data.." "));
+ assert_equal(valid, expect == "pass", line);
+ end
+end
diff --git a/tests/utf8_sequences.txt b/tests/utf8_sequences.txt
new file mode 100644
index 00000000..1b967b2e
--- /dev/null
+++ b/tests/utf8_sequences.txt
@@ -0,0 +1,52 @@
+Should pass: 41 42 43 # Simple ASCII - abc
+Should pass: 41 42 c3 87 # "ABÇ"
+Should pass: 41 42 e1 b8 88 # "ABḈ"
+Should pass: 41 42 f0 9d 9c 8d # "AB𝜍"
+Should pass: F4 8F BF BF # Last valid sequence (U+10FFFF)
+Should fail: F4 90 80 80 # First invalid sequence (U+110000)
+Should fail: 80 81 82 83 # Invalid sequence (invalid start byte)
+Should fail: C2 C3 # Invalid sequence (invalid continuation byte)
+Should fail: C0 43 # Overlong sequence
+Should fail: F5 80 80 80 # U+140000 (out of range)
+Should fail: ED A0 80 # U+D800 (forbidden by RFC 3629)
+Should fail: ED BF BF # U+DFFF (forbidden by RFC 3629)
+Should pass: ED 9F BF # U+D7FF (U+D800 minus 1: allowed)
+Should pass: EE 80 80 # U+E000 (U+D7FF plus 1: allowed)
+Should fail: C0 # Invalid start byte
+Should fail: C1 # Invalid start byte
+Should fail: C2 # Incomplete sequence
+Should fail: F8 88 80 80 80 # 6-byte sequence
+Should pass: 7F # Last valid 1-byte sequence (U+00007F)
+Should pass: DF BF # Last valid 2-byte sequence (U+0007FF)
+Should pass: EF BF BF # Last valid 3-byte sequence (U+00FFFF)
+Should pass: 00 # First valid 1-byte sequence (U+000000)
+Should pass: C2 80 # First valid 2-byte sequence (U+000080)
+Should pass: E0 A0 80 # First valid 3-byte sequence (U+000800)
+Should pass: F0 90 80 80 # First valid 4-byte sequence (U+000800)
+Should fail: F8 88 80 80 80 # First 5-byte sequence - invalid per RFC 3629
+Should fail: FC 84 80 80 80 80 # First 6-byte sequence - invalid per RFC 3629
+Should pass: EF BF BD # U+00FFFD (replacement character)
+Should fail: 80 # First continuation byte
+Should fail: BF # Last continuation byte
+Should fail: 80 BF # 2 continuation bytes
+Should fail: 80 BF 80 # 3 continuation bytes
+Should fail: 80 BF 80 BF # 4 continuation bytes
+Should fail: 80 BF 80 BF 80 # 5 continuation bytes
+Should fail: 80 BF 80 BF 80 BF # 6 continuation bytes
+Should fail: 80 BF 80 BF 80 BF 80 # 7 continuation bytes
+Should fail: FE # Impossible byte
+Should fail: FF # Impossible byte
+Should fail: FE FE FF FF # Impossible bytes
+Should fail: C0 AF # Overlong "/"
+Should fail: E0 80 AF # Overlong "/"
+Should fail: F0 80 80 AF # Overlong "/"
+Should fail: F8 80 80 80 AF # Overlong "/"
+Should fail: FC 80 80 80 80 AF # Overlong "/"
+Should fail: C0 80 AF # Overlong "/" (invalid)
+Should fail: C1 BF # Overlong
+Should fail: E0 9F BF # Overlong
+Should fail: F0 8F BF BF # Overlong
+Should fail: F8 87 BF BF BF # Overlong
+Should fail: FC 83 BF BF BF BF # Overlong
+Should pass: EF BF BE # U+FFFE (invalid unicode, valid UTF-8)
+Should pass: EF BF BF # U+FFFF (invalid unicode, valid UTF-8)