Add. Test to double join to same thread

1 files changed, 24 insertions, 0 deletions

diff --git a/test/test_join_error.lua b/test/test_join_error.lua
new file mode 100644
index 0000000..90780b1
--- /dev/null
+++ b/test/test_join_error.lua
@@ -0,0 +1,24 @@
+local llthreads = require "llthreads"
+local utils     = require "utils"
+local sleep     = utils.sleep
+
+local include = utils.thread_init .. [[
+local llthreads = require"llthreads"
+local sleep = require "utils".sleep
+]]
+
+local thread = llthreads.new(include .. [[
+  sleep(5)
+]])
+
+thread:start()
+
+local ok, err = thread:join()
+assert(ok  == true)
+assert(err == nil)
+
+local res, ok, err = pcall(thread.join, thread)
+assert(res == true)
+assert(ok  == nil)
+assert(err ~= nil)
+