avoid NULL as parameter to lua_concat in llthread_log

1 files changed, 32 insertions, 8 deletions

diff --git a/test/test_error.lua b/test/test_error.lua
index 1407ea8..341105e 100644
--- a/test/test_error.lua
+++ b/test/test_error.lua
@@ -5,13 +5,37 @@ local include = utils.thread_init .. [[
 local llthreads = require"llthreads"
 ]]
 
-local thread = llthreads.new(include .. [[
-  error({})
-]])
-
-thread:start()
-local ok, err = thread:join()
-print(ok, err)
-assert(not ok)
+do
+    local thread = llthreads.new(include .. [[
+      error({})
+    ]])
+    
+    thread:start()
+    local ok, err = thread:join()
+    print(ok, err)
+    assert(not ok)
+end
+do
+    local thread = llthreads.new(include .. [[
+      llthreads.set_logger(function(msg) print("XXX", msg) end)
+      error({})
+    ]])
+    
+    thread:start()
+    local ok, err = thread:join()
+    print(ok, err)
+    assert(not ok)
+end
+do
+    local thread = llthreads.new(include .. [[
+      llthreads.set_logger(function(msg) end)
+      error({})
+    ]])
+    
+    thread:start()
+    local ok, err = thread:join()
+    print(ok, err)
+    assert(not ok)
+end
 print("Done!")