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Added macro 'luaL_pushfail'

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The macro 'luaL_pushfail' documents all places in the standard libraries
that return nil to signal some kind of failure. It is defined as
'lua_pushnil'. The manual also got a notation (@fail) to document those
returns. The tests were changed to be agnostic regarding whether 'fail'
is 'nil' or 'false'.
This commit is contained in:
Roberto Ierusalimschy
2019-08-16 14:58:02 -03:00
parent ca13be9af7
commit b96b0b5abb
20 changed files with 176 additions and 154 deletions
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22
testes/pm.lua
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@@ -28,10 +28,10 @@ a,b = string.find('a\0a\0a\0a\0\0ab', '\0ab', 2); -- finds at the end
assert(a == 9 and b == 11);
a,b = string.find('a\0a\0a\0a\0\0ab', 'b') -- last position
assert(a == 11 and b == 11)
assert(string.find('a\0a\0a\0a\0\0ab', 'b\0') == nil) -- check ending
assert(string.find('', '\0') == nil)
assert(not string.find('a\0a\0a\0a\0\0ab', 'b\0')) -- check ending
assert(not string.find('', '\0'))
assert(string.find('alo123alo', '12') == 4)
assert(string.find('alo123alo', '^12') == nil)
assert(not string.find('alo123alo', '^12'))
assert(string.match("aaab", ".*b") == "aaab")
assert(string.match("aaa", ".*a") == "aaa")
@@ -57,17 +57,17 @@ assert(f('aaa', 'ab*a') == 'aa')
assert(f('aba', 'ab*a') == 'aba')
assert(f('aaab', 'a+') == 'aaa')
assert(f('aaa', '^.+$') == 'aaa')
assert(f('aaa', 'b+') == nil)
assert(f('aaa', 'ab+a') == nil)
assert(not f('aaa', 'b+'))
assert(not f('aaa', 'ab+a'))
assert(f('aba', 'ab+a') == 'aba')
assert(f('a$a', '.$') == 'a')
assert(f('a$a', '.%$') == 'a$')
assert(f('a$a', '.$.') == 'a$a')
assert(f('a$a', '$$') == nil)
assert(f('a$b', 'a$') == nil)
assert(not f('a$a', '$$'))
assert(not f('a$b', 'a$'))
assert(f('a$a', '$') == '')
assert(f('', 'b*') == '')
assert(f('aaa', 'bb*') == nil)
assert(not f('aaa', 'bb*'))
assert(f('aaab', 'a-') == '')
assert(f('aaa', '^.-$') == 'aaa')
assert(f('aabaaabaaabaaaba', 'b.*b') == 'baaabaaabaaab')
@@ -101,7 +101,7 @@ end
assert(f1('alo alx 123 b\0o b\0o', '(..*) %1') == "b\0o b\0o")
assert(f1('axz123= 4= 4 34', '(.+)=(.*)=%2 %1') == '3= 4= 4 3')
assert(f1('=======', '^(=*)=%1$') == '=======')
assert(string.match('==========', '^([=]*)=%1$') == nil)
assert(not string.match('==========', '^([=]*)=%1$'))
local function range (i, j)
if i <= j then
@@ -135,7 +135,7 @@ print('+');
assert(string.match("alo xyzK", "(%w+)K") == "xyz")
assert(string.match("254 K", "(%d*)K") == "")
assert(string.match("alo ", "(%w*)$") == "")
assert(string.match("alo ", "(%w+)$") == nil)
assert(not string.match("alo ", "(%w+)$"))
assert(string.find("(<28>lo)", "%(<28>") == 1)
local a, b, c, d, e = string.match("<EFBFBD>lo alo", "^(((.).).* (%w*))$")
assert(a == '<EFBFBD>lo alo' and b == '<EFBFBD>l' and c == '<EFBFBD>' and d == 'alo' and e == nil)
@@ -209,7 +209,7 @@ assert(s == r and t[1] == 1 and t[3] == 3 and t[7] == 4 and t[13] == 4)
function isbalanced (s)
return string.find(string.gsub(s, "%b()", ""), "[()]") == nil
return not string.find(string.gsub(s, "%b()", ""), "[()]")
end
assert(isbalanced("(9 ((8))(\0) 7) \0\0 a b ()(c)() a"))