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|
-- See Copyright Notice in the file LICENSE
-- This file should contain only test sets that behave identically
-- when being run with pcre or posix regex libraries.
local luatest = require "luatest"
local N = luatest.NT
local function norm(a) return a==nil and N or a end
local function get_gsub (lib)
return lib.gsub or
function (subj, pattern, repl, n)
return lib.new (pattern) : gsub (subj, repl, n)
end
end
local function set_f_gmatch (lib, flg)
-- gmatch (s, p, [cf], [ef])
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 }
{ {("abcd"):rep(3), "(.)b.(d)"}, {{"a","d"},{"a","d"},{"a","d"}} },
{ {"abcd", ".*" }, {{"abcd",N},{"",N} } },--zero-length match
{ {"abc", "^." }, {{"a",N}} },--anchored pattern
}
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 }
{ {"ab", ","}, {{"ab",N,N}, } },
{ {",", ","}, {{"",",",N}, {"", N, N}, } },
{ {",,", ","}, {{"",",",N}, {"",",",N}, {"",N,N} } },
{ {"a,b", ","}, {{"a",",",N}, {"b",N,N}, } },
{ {",a,b", ","}, {{"",",",N}, {"a",",",N}, {"b",N,N}} },
{ {"a,b,", ","}, {{"a",",",N}, {"b",",",N}, {"",N,N} } },
{ {"a,,b", ","}, {{"a",",",N}, {"",",",N}, {"b",N,N}} },
{ {"ab<78>c", "<(.)(.)>"}, {{"ab","7","8"}, {"c",N,N}, } },
{ {"abc", "^."}, {{"", "a",N}, {"bc",N,N}, } },--anchored pattern
{ {"abc", "^"}, {{"", "", N}, {"abc",N,N}, } },
-- { {"abc", "$"}, {{"abc","",N}, {"",N,N}, } },
-- { {"abc", "^|$"}, {{"", "", N}, {"abc","",N},{"",N,N},} },
}
end
local function set_f_find (lib, flg)
return {
Name = "Function find",
Func = lib.find,
-- {subj, patt, st}, { results }
{ {"abcd", ".+"}, { 1,4 } }, -- [none]
{ {"abcd", ".+", 2}, { 2,4 } }, -- positive st
{ {"abcd", ".+", -2}, { 3,4 } }, -- negative st
{ {"abcd", ".*"}, { 1,4 } }, -- [none]
{ {"abc", "bc"}, { 2,3 } }, -- [none]
{ {"abcd", "(.)b.(d)"}, { 1,4,"a","d" }}, -- [captures]
}
end
local function set_f_match (lib, flg)
return {
Name = "Function match",
Func = lib.match,
-- {subj, patt, st}, { results }
{ {"abcd", ".+"}, {"abcd"} }, -- [none]
{ {"abcd", ".+", 2}, {"bcd"} }, -- positive st
{ {"abcd", ".+", -2}, {"cd"} }, -- negative st
{ {"abcd", ".*"}, {"abcd"} }, -- [none]
{ {"abc", "bc"}, {"bc"} }, -- [none]
{ {"abcd", "(.)b.(d)"}, {"a","d"} }, -- [captures]
}
end
local function set_m_exec (lib, flg)
return {
Name = "Method exec",
Method = "exec",
--{patt}, {subj, st} { results }
{ {".+"}, {"abcd"}, {1,4,{}} }, -- [none]
{ {".+"}, {"abcd",2}, {2,4,{}} }, -- positive st
{ {".+"}, {"abcd",-2}, {3,4,{}} }, -- negative st
{ {".*"}, {"abcd"}, {1,4,{}} }, -- [none]
{ {"bc"}, {"abc"}, {2,3,{}} }, -- [none]
{ { "(.)b.(d)"}, {"abcd"}, {1,4,{1,1,4,4}}},--[captures]
{ {"(a+)6+(b+)"}, {"Taa66bbT",2}, {2,7,{2,3,6,7}}},--[st+captures]
}
end
local function set_m_tfind (lib, flg)
return {
Name = "Method tfind",
Method = "tfind",
--{patt}, {subj, st} { results }
{ {".+"}, {"abcd"}, {1,4,{}} }, -- [none]
{ {".+"}, {"abcd",2}, {2,4,{}} }, -- positive st
{ {".+"}, {"abcd",-2}, {3,4,{}} }, -- negative st
{ {".*"}, {"abcd"}, {1,4,{}} }, -- [none]
{ {"bc"}, {"abc"}, {2,3,{}} }, -- [none]
{ { "(.)b.(d)"}, {"abcd"}, {1,4,{"a","d"}}},--[captures]
}
end
local function set_f_plainfind (lib, flg)
return {
Name = "Function plainfind",
Func = lib.plainfind,
--{ subj, patt, st, ci } { results }
{ {"abcd", "bc"}, {2,3} }, -- [none]
{ {"abcd", "dc"}, {N} }, -- [none]
{ {"abcd", "cd"}, {3,4} }, -- positive st
{ {"abcd", "cd", 3}, {3,4} }, -- positive st
{ {"abcd", "cd", 4}, {N} }, -- failing st
{ {"abcd", "bc", 2}, {2,3} }, -- positive st
{ {"abcd", "bc", -4}, {2,3} }, -- negative st
{ {"abcd", "bc", 3}, {N} }, -- failing st
{ {"abcd", "BC"}, {N} }, -- case sensitive
{ {"abcd", "BC", N, true}, {2,3} }, -- case insensitive
{ {"ab\0cd", "b\0c"}, {2,4} }, -- contains nul
{ {"abcd", "", 1}, {1,0} }, -- empty pattern
{ {"abcd", "", 5}, {5,4} }, -- empty pattern
{ {"abcd", "", 6}, {N} }, -- empty pattern
}
end
local function set_f_gsub1 (lib, flg)
local subj, pat = "abcdef", "[abef]+"
return {
Name = "Function gsub, set1",
Func = get_gsub (lib),
--{ s, p, f, n, res1, res2, res3 },
{ {subj, pat, "", 0}, {subj, 0, 0} }, -- test "n" + empty_replace
{ {subj, pat, "", -1}, {subj, 0, 0} }, -- test "n" + empty_replace
{ {subj, pat, "", 1}, {"cdef", 1, 1} },
{ {subj, pat, "", 2}, {"cd", 2, 2} },
{ {subj, pat, "", 3}, {"cd", 2, 2} },
{ {subj, pat, "" }, {"cd", 2, 2} },
{ {subj, pat, "#", 0}, {subj, 0, 0} }, -- test "n" + non-empty_replace
{ {subj, pat, "#", 1}, {"#cdef", 1, 1} },
{ {subj, pat, "#", 2}, {"#cd#", 2, 2} },
{ {subj, pat, "#", 3}, {"#cd#", 2, 2} },
{ {subj, pat, "#" }, {"#cd#", 2, 2} },
{ {"abc", "^.", "#" }, {"#bc", 1, 1} }, -- anchored pattern
}
end
local function set_f_gsub2 (lib, flg)
local subj, pat = "abc", "([ac])"
return {
Name = "Function gsub, set2",
Func = get_gsub (lib),
--{ s, p, f, n, res1, res2, res3 },
{ {subj, pat, "<%1>" }, {"<a>b<c>", 2, 2} }, -- test non-escaped chars in f
{ {subj, pat, "%<%1%>" }, {"<a>b<c>", 2, 2} }, -- test escaped chars in f
{ {subj, pat, "" }, {"b", 2, 2} }, -- test empty replace
{ {subj, pat, "1" }, {"1b1", 2, 2} }, -- test odd and even %'s in f
{ {subj, pat, "%1" }, {"abc", 2, 2} },
{ {subj, pat, "%%1" }, {"%1b%1", 2, 2} },
{ {subj, pat, "%%%1" }, {"%ab%c", 2, 2} },
{ {subj, pat, "%%%%1" }, {"%%1b%%1", 2, 2} },
{ {subj, pat, "%%%%%1" }, {"%%ab%%c", 2, 2} },
}
end
local function set_f_gsub3 (lib, flg)
return {
Name = "Function gsub, set3",
Func = get_gsub (lib),
--{ s, p, f, n, res1,res2,res3 },
{ {"abc", "a", "%0" }, {"abc", 1, 1} }, -- test (in)valid capture index
{ {"abc", "a", "%1" }, {"abc", 1, 1} },
{ {"abc", "[ac]", "%1" }, {"abc", 2, 2} },
{ {"abc", "(a)", "%1" }, {"abc", 1, 1} },
{ {"abc", "(a)", "%2" }, "invalid capture index" },
}
end
local function set_f_gsub4 (lib, flg)
return {
Name = "Function gsub, set4",
Func = get_gsub (lib),
--{ s, p, f, n, res1, res2, res3 },
{ {"a2c3", ".", "#" }, {"####", 4, 4} }, -- test .
{ {"a2c3", ".+", "#" }, {"#", 1, 1} }, -- test .+
{ {"a2c3", ".*", "#" }, {"##", 2, 2} }, -- test .*
{ {"/* */ */", "\\/\\*(.*)\\*\\/", "#" }, {"#", 1, 1} },
{ {"a2c3", "[0-9]", "#" }, {"a#c#", 2, 2} }, -- test %d
{ {"a2c3", "[^0-9]", "#" }, {"#2#3", 2, 2} }, -- test %D
{ {"a \t\nb", "[ \t\n]", "#" }, {"a###b", 3, 3} }, -- test %s
{ {"a \t\nb", "[^ \t\n]", "#" }, {"# \t\n#", 2, 2} }, -- test %S
}
end
local function set_f_gsub5 (lib, flg)
local function frep1 () end -- returns nothing
local function frep2 () return "#" end -- ignores arguments
local function frep3 (...) return table.concat({...}, ",") end -- "normal"
local function frep4 () return {} end -- invalid return type
local function frep5 () return "7", "a" end -- 2-nd return is "a"
local function frep6 () return "7", "break" end -- 2-nd return is "break"
local subj = "a2c3"
return {
Name = "Function gsub, set5",
Func = get_gsub (lib),
--{ s, p, f, n, res1, res2, res3 },
{ {subj, "a(.)c(.)", frep1 }, {subj, 1, 0} },
{ {subj, "a(.)c(.)", frep2 }, {"#", 1, 1} },
{ {subj, "a(.)c(.)", frep3 }, {"2,3", 1, 1} },
{ {subj, "a.c.", frep3 }, {subj, 1, 1} },
{ {subj, "z*", frep1 }, {subj, 5, 0} },
{ {subj, "z*", frep2 }, {"#a#2#c#3#", 5, 5} },
{ {subj, "z*", frep3 }, {subj, 5, 5} },
{ {subj, subj, frep4 }, "invalid return type" },
{ {"abc",".", frep5 }, {"777", 3, 3} },
{ {"abc",".", frep6 }, {"777", 3, 3} },
}
end
local function set_f_gsub6 (lib, flg)
local tab1, tab2, tab3 = {}, { ["2"] = 56 }, { ["2"] = {} }
local subj = "a2c3"
return {
Name = "Function gsub, set6",
Func = get_gsub (lib),
--{ s, p, f, n, res1,res2,res3 },
{ {subj, "a(.)c(.)", tab1 }, {subj, 1, 0} },
{ {subj, "a(.)c(.)", tab2 }, {"56", 1, 1} },
{ {subj, "a(.)c(.)", tab3 }, "invalid replacement type" },
{ {subj, "a.c.", tab1 }, {subj, 1, 0} },
{ {subj, "a.c.", tab2 }, {subj, 1, 0} },
{ {subj, "a.c.", tab3 }, {subj, 1, 0} },
}
end
local function set_f_gsub8 (lib, flg)
local subj, patt, repl = "abcdef", "..", "*"
return {
Name = "Function gsub, set8",
Func = get_gsub (lib),
--{ s, p, f, n, res1, res2, res3 },
{ {subj, patt, repl, function() end }, {"abcdef", 3, 0} },
{ {subj, patt, repl, function() return nil end }, {"abcdef", 3, 0} },
{ {subj, patt, repl, function() return false end }, {"abcdef", 3, 0} },
{ {subj, patt, repl, function() return true end }, {"***", 3, 3} },
{ {subj, patt, repl, function() return {} end }, {"***", 3, 3} },
{ {subj, patt, repl, function() return "#" end }, {"###", 3, 3} },
{ {subj, patt, repl, function() return 57 end }, {"575757", 3, 3} },
{ {subj, patt, repl, function (from) return from end }, {"135", 3, 3} },
{ {subj, patt, repl, function (from, to) return to end }, {"246", 3, 3} },
{ {subj, patt, repl, function (from,to,rep) return rep end },
{"***", 3, 3} },
{ {subj, patt, repl, function (from, to, rep) return rep..to..from end },
{"*21*43*65", 3, 3} },
{ {subj, patt, repl, function() return nil end }, {"abcdef", 3, 0} },
{ {subj, patt, repl, function() return nil, nil end }, {"abcdef", 3, 0} },
{ {subj, patt, repl, function() return nil, false end }, {"abcdef", 3, 0} },
{ {subj, patt, repl, function() return nil, true end }, {"ab**", 3, 2} },
{ {subj, patt, repl, function() return true, true end }, {"***", 3, 3} },
{ {subj, patt, repl, function() return nil, 0 end }, {"abcdef", 1, 0} },
{ {subj, patt, repl, function() return true, 0 end }, {"*cdef", 1, 1} },
{ {subj, patt, repl, function() return nil, 1 end }, {"ab*ef", 2, 1} },
{ {subj, patt, repl, function() return true, 1 end }, {"**ef", 2, 2} },
}
end
return function (libname)
local lib = require (libname)
return {
set_f_gmatch (lib),
set_f_split (lib),
set_f_find (lib),
set_f_match (lib),
set_m_exec (lib),
set_m_tfind (lib),
set_f_gsub1 (lib),
set_f_gsub2 (lib),
set_f_gsub3 (lib),
set_f_gsub4 (lib),
set_f_gsub5 (lib),
set_f_gsub6 (lib),
set_f_gsub8 (lib),
set_f_plainfind (lib),
}
end
|
