diff --git a/tests/test-spawn.lua b/tests/test-spawn.lua
index 8341f653..b3871538 100644
--- a/tests/test-spawn.lua
+++ b/tests/test-spawn.lua
@@ -3,6 +3,7 @@
 local spawn = require("awful.spawn")
 
 local spawns_done = 0
+local exit_yay, exit_snd = nil, nil
 
 local steps = {
   function(count)
@@ -16,11 +17,16 @@ local steps = {
         assert(steps_yay == 1)
         steps_yay = steps_yay + 1
         spawns_done = spawns_done + 1
+      end, function(reason, code)
+        assert(reason == "exit")
+        assert(exit_yay == nil)
+        assert(code == 0)
+        exit_yay = code
       end)
 
       local steps_count = 0
       local err_count = 0
-      spawn.with_line_callback({ "sh", "-c", "printf line1\\\\nline2\\\\nline3 ; echo err >&2" },
+      spawn.with_line_callback({ "sh", "-c", "printf line1\\\\nline2\\\\nline3 ; echo err >&2 ; exit 42" },
       function(line)
         assert(steps_count < 3)
         steps_count = steps_count + 1
@@ -34,9 +40,16 @@ local steps = {
         assert(err_count == 1)
         steps_count = steps_count + 1
         spawns_done = spawns_done + 1
+      end, function(reason, code)
+        assert(reason == "exit")
+        assert(exit_snd == nil)
+        assert(code == 42)
+        exit_snd = code
       end)
     end
     if spawns_done == 2 then
+      assert(exit_yay == 0)
+      assert(exit_snd == 42)
       return true
     end
   end,