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Portability issue in a test for 'string.format'

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This commit is contained in:
Roberto Ierusalimschy 2022-10-19 16:20:11 -03:00
parent 26be27459b
commit 7f12bf40c4
1 changed files with 7 additions and 2 deletions
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9
testes/strings.lua
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@ -346,13 +346,18 @@ assert(string.format("%013i", -100) == "-000000000100")
assert(string.format("%2.5d", -100) == "-00100")
assert(string.format("%.u", 0) == "")
assert(string.format("%+#014.0f", 100) == "+000000000100.")
assert(string.format("% 1.0E", 100) == " 1E+02")
assert(string.format("%-16c", 97) == "a ")
assert(string.format("%+.3G", 1.5) == "+1.5")
assert(string.format("% .1g", 2^10) == " 1e+03")
assert(string.format("%.0s", "alo") == "")
assert(string.format("%.s", "alo") == "")
-- ISO C89 says that "The exponent always contains at least two digits",
-- but unlike ISO C99 it does not ensure that it contains "only as many
-- more digits as necessary".
assert(string.match(string.format("% 1.0E", 100), "^ 1E%+0+2$"))
assert(string.match(string.format("% .1g", 2^10), "^ 1e%+0+3$"))
-- errors in format
local function check (fmt, msg)