4 files changed, 10 insertions, 10 deletions

diff --git a/testes/coroutine.lua b/testes/coroutine.lua
index 73333c14..0a4c2ef3 100644
--- a/testes/coroutine.lua
+++ b/testes/coroutine.lua
@@ -184,7 +184,7 @@ do
   if not T then
     warn("@on")
   else   -- test library
-    assert(string.find(_WARN, "200")); _WARN = nil
+    assert(string.find(_WARN, "200")); _WARN = false
     warn("@normal")
   end
   assert(st == false and coroutine.status(co) == "dead" and msg == 111)
diff --git a/testes/gc.lua b/testes/gc.lua
index 91915c0b..80850f92 100644
--- a/testes/gc.lua
+++ b/testes/gc.lua
@@ -372,7 +372,7 @@ if T then
   warn("@on"); warn("@store")
   collectgarbage()
   assert(string.find(_WARN, "error in __gc metamethod"))
-  assert(string.match(_WARN, "@(.-)@") == "expected"); _WARN = nil
+  assert(string.match(_WARN, "@(.-)@") == "expected"); _WARN = false
   for i = 8, 10 do assert(s[i]) end
 
   for i = 1, 5 do
@@ -481,7 +481,7 @@ if T then
   u = setmetatable({}, {__gc = function () error "@expected error" end})
   u = nil
   collectgarbage()
-  assert(string.find(_WARN, "@expected error")); _WARN = nil
+  assert(string.find(_WARN, "@expected error")); _WARN = false
   warn("@normal")
 end
 
@@ -657,14 +657,14 @@ if T then
     n = n + 1
     assert(n == o[1])
     if n == 1 then
-      _WARN = nil
+      _WARN = false
     elseif n == 2 then
       assert(find(_WARN, "@expected warning"))
       lastmsg = _WARN    -- get message from previous error (first 'o')
     else
       assert(lastmsg == _WARN)  -- subsequent error messages are equal
     end
-    warn("@store"); _WARN = nil
+    warn("@store"); _WARN = false
     error"@expected warning"
   end}
   for i = 10, 1, -1 do
diff --git a/testes/locals.lua b/testes/locals.lua
index 0e5e0c74..f5e96244 100644
--- a/testes/locals.lua
+++ b/testes/locals.lua
@@ -337,7 +337,7 @@ local function endwarn ()
   if not T then
     warn("@on")          -- back to normal
   else
-    assert(_WARN == nil)
+    assert(_WARN == false)
     warn("@normal")
   end
 end
@@ -346,7 +346,7 @@ end
 local function checkwarn (msg)
   if T then
     assert(string.find(_WARN, msg))
-    _WARN = nil    -- reset variable to check next warning
+    _WARN = false    -- reset variable to check next warning
   end
 end
 
diff --git a/testes/main.lua b/testes/main.lua
index de14a088..d2d602de 100644
--- a/testes/main.lua
+++ b/testes/main.lua
@@ -393,12 +393,12 @@ if T then   -- test library?
   -- testing 'warn'
   warn("@store")
   warn("@123", "456", "789")
-  assert(_WARN == "@123456789"); _WARN = nil
+  assert(_WARN == "@123456789"); _WARN = false
 
   warn("zip", "", " ", "zap")
-  assert(_WARN == "zip zap"); _WARN = nil
+  assert(_WARN == "zip zap"); _WARN = false
   warn("ZIP", "", " ", "ZAP")
-  assert(_WARN == "ZIP ZAP"); _WARN = nil
+  assert(_WARN == "ZIP ZAP"); _WARN = false
   warn("@normal")
 end