diff options
Diffstat (limited to 'testes/locals.lua')
-rw-r--r-- | testes/locals.lua | 35 |
1 files changed, 27 insertions, 8 deletions
diff --git a/testes/locals.lua b/testes/locals.lua index de47ae31..814d1b16 100644 --- a/testes/locals.lua +++ b/testes/locals.lua | |||
@@ -417,12 +417,13 @@ if rawget(_G, "T") then | |||
417 | end | 417 | end |
418 | 418 | ||
419 | 419 | ||
420 | -- to-be-closed variables in coroutines | 420 | print "to-be-closed variables in coroutines" |
421 | |||
421 | do | 422 | do |
422 | -- an error in a coroutine closes variables | 423 | -- an error in a wrapped coroutine closes variables |
423 | local x = false | 424 | local x = false |
424 | local y = false | 425 | local y = false |
425 | local co = coroutine.create(function () | 426 | local co = coroutine.wrap(function () |
426 | local *toclose xv = func2close(function () x = true end) | 427 | local *toclose xv = func2close(function () x = true end) |
427 | do | 428 | do |
428 | local *toclose yv = func2close(function () y = true end) | 429 | local *toclose yv = func2close(function () y = true end) |
@@ -432,14 +433,31 @@ do | |||
432 | error(23) -- error does | 433 | error(23) -- error does |
433 | end) | 434 | end) |
434 | 435 | ||
435 | local a, b = coroutine.resume(co) | 436 | local b = co() |
436 | assert(a and b == 100 and not x and not y) | 437 | assert(b == 100 and not x and not y) |
437 | a, b = coroutine.resume(co) | 438 | b = co() |
438 | assert(a and b == 200 and not x and y) | 439 | assert(b == 200 and not x and y) |
439 | a, b = coroutine.resume(co) | 440 | local a, b = pcall(co) |
440 | assert(not a and b == 23 and x and y) | 441 | assert(not a and b == 23 and x and y) |
441 | end | 442 | end |
442 | 443 | ||
444 | |||
445 | do | ||
446 | -- error in a wrapped coroutine raising errors when closing a variable | ||
447 | local x = false | ||
448 | local co = coroutine.wrap(function () | ||
449 | local *toclose xv = func2close(function () error("XXX") end) | ||
450 | coroutine.yield(100) | ||
451 | error(200) | ||
452 | end) | ||
453 | assert(co() == 100) | ||
454 | local st, msg = pcall(co) | ||
455 | print(msg) | ||
456 | -- should get last error raised | ||
457 | assert(not st and string.find(msg, "%w+%.%w+:%d+: XXX")) | ||
458 | end | ||
459 | |||
460 | |||
443 | -- a suspended coroutine should not close its variables when collected | 461 | -- a suspended coroutine should not close its variables when collected |
444 | local co | 462 | local co |
445 | co = coroutine.wrap(function() | 463 | co = coroutine.wrap(function() |
@@ -449,6 +467,7 @@ co = coroutine.wrap(function() | |||
449 | end) | 467 | end) |
450 | co() -- start coroutine | 468 | co() -- start coroutine |
451 | assert(co == nil) -- eventually it will be collected | 469 | assert(co == nil) -- eventually it will be collected |
470 | collectgarbage() | ||
452 | 471 | ||
453 | 472 | ||
454 | -- to-be-closed variables in generic for loops | 473 | -- to-be-closed variables in generic for loops |