diff options
Diffstat (limited to 'testes/cstack.lua')
| -rw-r--r-- | testes/cstack.lua | 26 |
1 files changed, 26 insertions, 0 deletions
diff --git a/testes/cstack.lua b/testes/cstack.lua index ca76c872..97afe9fd 100644 --- a/testes/cstack.lua +++ b/testes/cstack.lua @@ -84,6 +84,32 @@ do -- bug in 5.4.0 end +do -- bug since 5.4.0 + local count = 0 + print("chain of 'coroutine.close'") + -- create N coroutines forming a list so that each one, when closed, + -- closes the previous one. (With a large enough N, previous Lua + -- versions crash in this test.) + local coro = false + for i = 1, 1000 do + local previous = coro + coro = coroutine.create(function() + local cc <close> = setmetatable({}, {__close=function() + count = count + 1 + if previous then + assert(coroutine.close(previous)) + end + end}) + coroutine.yield() -- leaves 'cc' pending to be closed + end) + assert(coroutine.resume(coro)) -- start it and run until it yields + end + local st, msg = coroutine.close(coro) + assert(not st and string.find(msg, "C stack overflow")) + print("final count: ", count) +end + + do print("nesting of resuming yielded coroutines") local count = 0 |