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Diffstat (limited to 'tests/test-suite/sort.js')
| -rw-r--r-- | tests/test-suite/sort.js | 600 |
1 files changed, 600 insertions, 0 deletions
diff --git a/tests/test-suite/sort.js b/tests/test-suite/sort.js new file mode 100644 index 0000000..9573d5d --- /dev/null +++ b/tests/test-suite/sort.js @@ -0,0 +1,600 @@ +"use strict"; + +const test = require('tape'); + +global.WEB = false; + +const lua = require('../../src/lua.js'); +const lauxlib = require('../../src/lauxlib.js'); +const lualib = require('../../src/lualib.js'); + + +const prefix = ` + local unpack = table.unpack + + local maxI = math.maxinteger + local minI = math.mininteger + + + local function checkerror (msg, f, ...) + local s, err = pcall(f, ...) + assert(not s and string.find(err, msg)) + end + + function timesort (a, n, func, msg, pre) + local x = os.clock() + table.sort(a, func) + x = (os.clock() - x) * 1000 + pre = pre or "" + print(string.format("%ssorting %d %s elements in %.2f msec.", pre, n, msg, x)) + check(a, func) + end + + limit = 50000 + if _soft then limit = 5000 end +`; + +test("[test-suite] sort: testing unpack", function (t) { + let luaCode = ` + checkerror("wrong number of arguments", table.insert, {}, 2, 3, 4) + + local x,y,z,a,n + a = {}; lim = _soft and 200 or 2000 + for i=1, lim do a[i]=i end + assert(select(lim, unpack(a)) == lim and select('#', unpack(a)) == lim) + x = unpack(a) + assert(x == 1) + x = {unpack(a)} + assert(#x == lim and x[1] == 1 and x[lim] == lim) + x = {unpack(a, lim-2)} + assert(#x == 3 and x[1] == lim-2 and x[3] == lim) + x = {unpack(a, 10, 6)} + assert(next(x) == nil) -- no elements + x = {unpack(a, 11, 10)} + assert(next(x) == nil) -- no elements + x,y = unpack(a, 10, 10) + assert(x == 10 and y == nil) + x,y,z = unpack(a, 10, 11) + assert(x == 10 and y == 11 and z == nil) + a,x = unpack{1} + assert(a==1 and x==nil) + a,x = unpack({1,2}, 1, 1) + assert(a==1 and x==nil) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] sort: testing unpack", function (t) { + let luaCode = ` + do + local maxi = (1 << 31) - 1 -- maximum value for an int (usually) + local mini = -(1 << 31) -- minimum value for an int (usually) + checkerror("too many results", unpack, {}, 0, maxi) + checkerror("too many results", unpack, {}, 1, maxi) + checkerror("too many results", unpack, {}, 0, maxI) + checkerror("too many results", unpack, {}, 1, maxI) + checkerror("too many results", unpack, {}, mini, maxi) + checkerror("too many results", unpack, {}, -maxi, maxi) + checkerror("too many results", unpack, {}, minI, maxI) + unpack({}, maxi, 0) + unpack({}, maxi, 1) + unpack({}, maxI, minI) + pcall(unpack, {}, 1, maxi + 1) + local a, b = unpack({[maxi] = 20}, maxi, maxi) + assert(a == 20 and b == nil) + a, b = unpack({[maxi] = 20}, maxi - 1, maxi) + assert(a == nil and b == 20) + local t = {[maxI - 1] = 12, [maxI] = 23} + a, b = unpack(t, maxI - 1, maxI); assert(a == 12 and b == 23) + a, b = unpack(t, maxI, maxI); assert(a == 23 and b == nil) + a, b = unpack(t, maxI, maxI - 1); assert(a == nil and b == nil) + t = {[minI] = 12.3, [minI + 1] = 23.5} + a, b = unpack(t, minI, minI + 1); assert(a == 12.3 and b == 23.5) + a, b = unpack(t, minI, minI); assert(a == 12.3 and b == nil) + a, b = unpack(t, minI + 1, minI); assert(a == nil and b == nil) + end + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] sort: testing unpack", function (t) { + let luaCode = ` + do -- length is not an integer + local t = setmetatable({}, {__len = function () return 'abc' end}) + assert(#t == 'abc') + checkerror("object length is not an integer", table.insert, t, 1) + end + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] sort: testing pack", function (t) { + let luaCode = ` + a = table.pack() + assert(a[1] == nil and a.n == 0) + + a = table.pack(table) + assert(a[1] == table and a.n == 1) + + a = table.pack(nil, nil, nil, nil) + assert(a[1] == nil and a.n == 4) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] sort: testing move", function (t) { + let luaCode = ` + do + + checkerror("table expected", table.move, 1, 2, 3, 4) + + local function eqT (a, b) + for k, v in pairs(a) do assert(b[k] == v) end + for k, v in pairs(b) do assert(a[k] == v) end + end + + local a = table.move({10,20,30}, 1, 3, 2) -- move forward + eqT(a, {10,10,20,30}) + + -- move forward with overlap of 1 + a = table.move({10, 20, 30}, 1, 3, 3) + eqT(a, {10, 20, 10, 20, 30}) + + -- moving to the same table (not being explicit about it) + a = {10, 20, 30, 40} + table.move(a, 1, 4, 2, a) + eqT(a, {10, 10, 20, 30, 40}) + + a = table.move({10,20,30}, 2, 3, 1) -- move backward + eqT(a, {20,30,30}) + + a = {} -- move to new table + assert(table.move({10,20,30}, 1, 3, 1, a) == a) + eqT(a, {10,20,30}) + + a = {} + assert(table.move({10,20,30}, 1, 0, 3, a) == a) -- empty move (no move) + eqT(a, {}) + + a = table.move({10,20,30}, 1, 10, 1) -- move to the same place + eqT(a, {10,20,30}) + + -- moving on the fringes + a = table.move({[maxI - 2] = 1, [maxI - 1] = 2, [maxI] = 3}, + maxI - 2, maxI, -10, {}) + eqT(a, {[-10] = 1, [-9] = 2, [-8] = 3}) + + a = table.move({[minI] = 1, [minI + 1] = 2, [minI + 2] = 3}, + minI, minI + 2, -10, {}) + eqT(a, {[-10] = 1, [-9] = 2, [-8] = 3}) + + a = table.move({45}, 1, 1, maxI) + eqT(a, {45, [maxI] = 45}) + + a = table.move({[maxI] = 100}, maxI, maxI, minI) + eqT(a, {[minI] = 100, [maxI] = 100}) + + a = table.move({[minI] = 100}, minI, minI, maxI) + eqT(a, {[minI] = 100, [maxI] = 100}) + + a = setmetatable({}, { + __index = function (_,k) return k * 10 end, + __newindex = error}) + local b = table.move(a, 1, 10, 3, {}) + eqT(a, {}) + eqT(b, {nil,nil,10,20,30,40,50,60,70,80,90,100}) + + b = setmetatable({""}, { + __index = error, + __newindex = function (t,k,v) + t[1] = string.format("%s(%d,%d)", t[1], k, v) + end}) + table.move(a, 10, 13, 3, b) + assert(b[1] == "(3,100)(4,110)(5,120)(6,130)") + local stat, msg = pcall(table.move, b, 10, 13, 3, b) + assert(not stat and msg == b) + end + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] sort: testing long move", function (t) { + let luaCode = ` + do + -- for very long moves, just check initial accesses and interrupt + -- move with an error + local function checkmove (f, e, t, x, y) + local pos1, pos2 + local a = setmetatable({}, { + __index = function (_,k) pos1 = k end, + __newindex = function (_,k) pos2 = k; error() end, }) + local st, msg = pcall(table.move, a, f, e, t) + assert(not st and not msg and pos1 == x and pos2 == y) + end + checkmove(1, maxI, 0, 1, 0) + checkmove(0, maxI - 1, 1, maxI - 1, maxI) + checkmove(minI, -2, -5, -2, maxI - 6) + checkmove(minI + 1, -1, -2, -1, maxI - 3) + checkmove(minI, -2, 0, minI, 0) -- non overlapping + checkmove(minI + 1, -1, 1, minI + 1, 1) -- non overlapping + end + + checkerror("too many", table.move, {}, 0, maxI, 1) + checkerror("too many", table.move, {}, -1, maxI - 1, 1) + checkerror("too many", table.move, {}, minI, -1, 1) + checkerror("too many", table.move, {}, minI, maxI, 1) + checkerror("wrap around", table.move, {}, 1, maxI, 2) + checkerror("wrap around", table.move, {}, 1, 2, maxI) + checkerror("wrap around", table.move, {}, minI, -2, 2) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] sort: testing sort, strange lengths", function (t) { + let luaCode = ` + local a = setmetatable({}, {__len = function () return -1 end}) + assert(#a == -1) + table.sort(a, error) -- should not compare anything + a = setmetatable({}, {__len = function () return maxI end}) + checkerror("too big", table.sort, a) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] sort: test checks for invalid order functions", function (t) { + let luaCode = ` + local function check (t) + local function f(a, b) assert(a and b); return true end + checkerror("invalid order function", table.sort, t, f) + end + + check{1,2,3,4} + check{1,2,3,4,5} + check{1,2,3,4,5,6} + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] sort: sort alpha", function (t) { + let luaCode = ` + function check (a, f) + f = f or function (x,y) return x<y end; + for n = #a, 2, -1 do + assert(not f(a[n], a[n-1])) + end + end + + a = {"Jan", "Feb", "Mar", "Apr", "May", "Jun", "Jul", "Aug", "Sep", + "Oct", "Nov", "Dec"} + + table.sort(a) + check(a) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] sort: sort perm", function (t) { + let luaCode = ` + function check (a, f) + f = f or function (x,y) return x<y end; + for n = #a, 2, -1 do + assert(not f(a[n], a[n-1])) + end + end + + function perm (s, n) + n = n or #s + if n == 1 then + local t = {unpack(s)} + table.sort(t) + check(t) + else + for i = 1, n do + s[i], s[n] = s[n], s[i] + perm(s, n - 1) + s[i], s[n] = s[n], s[i] + end + end + end + + perm{} + perm{1} + perm{1,2} + perm{1,2,3} + perm{1,2,3,4} + perm{2,2,3,4} + perm{1,2,3,4,5} + perm{1,2,3,3,5} + perm{1,2,3,4,5,6} + perm{2,2,3,3,5,6} + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] sort: Invert-sorting", function (t) { + let luaCode = ` + function check (a, f) + f = f or function (x,y) return x<y end; + for n = #a, 2, -1 do + assert(not f(a[n], a[n-1])) + end + end + + a = {} + for i=1,limit do + a[i] = math.random() + end + + x = os.clock(); i=0 + table.sort(a, function(x,y) i=i+1; return y<x end) + x = (os.clock() - x) * 1000 + print(string.format("Invert-sorting other %d elements in %.2f msec., with %i comparisons", + limit, x, i)) + check(a, function(x,y) return y<x end) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); + + +test("[test-suite] sort: sorting", function (t) { + let luaCode = ` + function check (a, f) + f = f or function (x,y) return x<y end; + for n = #a, 2, -1 do + assert(not f(a[n], a[n-1])) + end + end + + table.sort{} -- empty array + + for i=1,limit do a[i] = false end + timesort(a, limit, function(x,y) return nil end, "equal") + + for i,v in pairs(a) do assert(v == false) end + + A = {"álo", "\0first :-)", "alo", "then this one", "45", "and a new"} + table.sort(A) + check(A) + + table.sort(A, function (x, y) + load(string.format("A[%q] = ''", x), "")() + collectgarbage() + return x<y + end) + + + tt = {__lt = function (a,b) return a.val < b.val end} + a = {} + for i=1,10 do a[i] = {val=math.random(100)}; setmetatable(a[i], tt); end + table.sort(a) + check(a, tt.__lt) + check(a) + `, L; + + t.plan(2); + + t.doesNotThrow(function () { + + L = lauxlib.luaL_newstate(); + + lualib.luaL_openlibs(L); + + lauxlib.luaL_loadstring(L, lua.to_luastring(prefix + luaCode)); + + }, "Lua program loaded without error"); + + t.doesNotThrow(function () { + + lua.lua_call(L, 0, -1); + + }, "Lua program ran without error"); + +}); |