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Details (more uniformity in error messages)

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This commit is contained in:
Roberto Ierusalimschy
2020-05-27 11:46:47 -03:00
parent efcf24be0c
commit aa8d4a782d
3 changed files with 15 additions and 15 deletions
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18
testes/utf8.lua
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@@ -115,17 +115,17 @@ do
end
-- error in initial position for offset
checkerror("position out of range", utf8.offset, "abc", 1, 5)
checkerror("position out of range", utf8.offset, "abc", 1, -4)
checkerror("position out of range", utf8.offset, "", 1, 2)
checkerror("position out of range", utf8.offset, "", 1, -1)
checkerror("position out of bounds", utf8.offset, "abc", 1, 5)
checkerror("position out of bounds", utf8.offset, "abc", 1, -4)
checkerror("position out of bounds", utf8.offset, "", 1, 2)
checkerror("position out of bounds", utf8.offset, "", 1, -1)
checkerror("continuation byte", utf8.offset, "𦧺", 1, 2)
checkerror("continuation byte", utf8.offset, "𦧺", 1, 2)
checkerror("continuation byte", utf8.offset, "\x80", 1)
-- error in indices for len
checkerror("out of string", utf8.len, "abc", 0, 2)
checkerror("out of string", utf8.len, "abc", 1, 4)
checkerror("out of bounds", utf8.len, "abc", 0, 2)
checkerror("out of bounds", utf8.len, "abc", 1, 4)
local s = "hello World"
@@ -140,11 +140,11 @@ do
local t = {utf8.codepoint(s,1,#s - 1)}
assert(#t == 3 and t[1] == 225 and t[2] == 233 and t[3] == 237)
checkerror("invalid UTF%-8 code", utf8.codepoint, s, 1, #s)
checkerror("out of range", utf8.codepoint, s, #s + 1)
checkerror("out of bounds", utf8.codepoint, s, #s + 1)
t = {utf8.codepoint(s, 4, 3)}
assert(#t == 0)
checkerror("out of range", utf8.codepoint, s, -(#s + 1), 1)
checkerror("out of range", utf8.codepoint, s, 1, #s + 1)
checkerror("out of bounds", utf8.codepoint, s, -(#s + 1), 1)
checkerror("out of bounds", utf8.codepoint, s, 1, #s + 1)
-- surrogates
assert(utf8.codepoint("\u{D7FF}") == 0xD800 - 1)
assert(utf8.codepoint("\u{E000}") == 0xDFFF + 1)