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-- See Copyright Notice in the file LICENSE
local luatest = require "luatest"
local N = luatest.NT
local function norm(a) return a==nil and N or a end
local function fill (n, m)
local t = {}
for i = n, m, -1 do table.insert (t, i) end
return t
end
local function set_named_subpatterns (lib, flg)
return {
Name = "Named Subpatterns",
Func = function (methodname, subj, patt, name1, name2)
local r = lib.new (patt)
local _,_,caps = r[methodname] (r, subj)
return norm(caps[name1]), norm(caps[name2])
end,
--{}
{ {"tfind", "abcd", "(?<dog>.)b.(?<cat>d)", "dog", "cat"}, {"a","d"} },
{ {"exec", "abcd", "(?<dog>.)b.(?<cat>d)", "dog", "cat"}, {"a","d"} },
}
end
local function set_f_find (lib, flg)
local cp1251 =
"ÀÁÂÃÄŨÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÜÛÚÝÞßàáâãäå¸æçèéêëìíîïðñòóôõö÷øùüûúýþÿ"
local loc = "CP1251"
return {
Name = "Function find",
Func = lib.find,
--{subj, patt, st,cf,ef,lo}, { results }
{ {"abcd", ".+", 5}, { N } }, -- failing st
{ {"abcd", ".*?"}, { 1,0 } }, -- non-greedy
{ {"abc", "aBC", N,flg.IGNORECASE}, { 1,3 } }, -- cf
{ {"abc", "aBC", N,"i" }, { 1,3 } }, -- cf
{ {cp1251, "[[:upper:]]+", N,N,N, loc}, { 1,33} }, -- locale
{ {cp1251, "[[:lower:]]+", N,N,N, loc}, {34,66} }, -- locale
{ {cp1251, "\\w+", N,N,N, loc}, {1, 66} }, -- locale
}
end
local function set_f_match (lib, flg)
return {
Name = "Function match",
Func = lib.match,
--{subj, patt, st,cf,ef,lo}, { results }
{ {"abcd", ".+", 5}, { N }}, -- failing st
{ {"abcd", ".*?"}, { "" }}, -- non-greedy
{ {"abc", "aBC", N,flg.IGNORECASE}, {"abc" }}, -- cf
{ {"abc", "aBC", N,"i" }, {"abc" }}, -- cf
}
end
local function set_f_gmatch (lib, flg)
-- gmatch (s, p, [cf], [ef])
local pCSV = "(^[^,]*)|,([^,]*)"
local F = false
local function test_gmatch (subj, patt)
local out, guard = {}, 10
for a, b in lib.gmatch (subj, patt) do
table.insert (out, { norm(a), norm(b) })
guard = guard - 1
if guard == 0 then break end
end
return unpack (out)
end
return {
Name = "Function gmatch",
Func = test_gmatch,
--{ subj patt results }
{ {"a\0c", "." }, {{"a",N},{"\0",N},{"c",N}} },--nuls in subj
{ {"", pCSV}, {{"",F}} },
{ {"12", pCSV}, {{"12",F}} },
----{ {",", pCSV}, {{"", F},{F,""}} },
{ {"12,,45", pCSV}, {{"12",F},{F,""},{F,"45"}} },
----{ {",,12,45,,ab,", pCSV}, {{"",F},{F,""},{F,"12"},{F,"45"},{F,""},{F,"ab"},{F,""}} },
}
end
local function set_f_split (lib, flg)
-- split (s, p, [cf], [ef])
local function test_split (subj, patt)
local out, guard = {}, 10
for a, b, c in lib.split (subj, patt) do
table.insert (out, { norm(a), norm(b), norm(c) })
guard = guard - 1
if guard == 0 then break end
end
return unpack (out)
end
return {
Name = "Function split",
Func = test_split,
--{ subj patt results }
{ {"a,\0,c", ","}, {{"a",",",N},{"\0",",",N},{"c",N,N}, } },--nuls in subj
{ {"ab", "$"}, {{"ab","",N}, {"",N,N}, } },
{ {"ab", "^|$"}, {{"", "", N}, {"ab","",N}, {"",N,N}, } },
{ {"ab45ab","(?<=ab).*?"}, {{"ab","",N}, {"45ab","",N},{"",N,N}, } },
{ {"ab", "\\b"}, {{"", "", N}, {"ab","",N}, {"",N,N}, } },
}
end
local function set_m_exec (lib, flg)
return {
Name = "Method exec",
Method = "exec",
--{patt,cf,lo}, {subj,st,ef} { results }
{ {".+"}, {"abcd",5}, { N } }, -- failing st
{ {".*?"}, {"abcd"}, {1,0,{}} }, -- non-greedy
{ {"aBC",flg.IGNORECASE}, {"abc"}, {1,3,{}} }, -- cf
{ {"aBC","i" }, {"abc"}, {1,3,{}} }, -- cf
}
end
local function set_m_tfind (lib, flg)
return {
Name = "Method tfind",
Method = "tfind",
--{patt,cf,lo}, {subj,st,ef} { results }
{ {".+"}, {"abcd",5}, { N } }, -- failing st
{ {".*?"}, {"abcd"}, {1,0,{}} }, -- non-greedy
{ {"aBC",flg.IGNORECASE}, {"abc"}, {1,3,{}} }, -- cf
{ {"aBC","i" }, {"abc"}, {1,3,{}} }, -- cf
}
end
return function (libname)
local lib = require (libname)
local flags = lib.flags ()
local sets = {
set_f_match (lib, flags),
set_f_find (lib, flags),
set_f_gmatch (lib, flags),
set_f_split (lib, flags),
set_m_exec (lib, flags),
set_m_tfind (lib, flags),
}
local MAJOR = tonumber(lib.version():match("%d+"))
if MAJOR >= 0 then
table.insert (sets, set_named_subpatterns (lib, flags))
end
return sets
end
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