diff --git a/test/lib/contents.lua b/test/lib/contents.lua
index a1d8b9b..dec8475 100644
--- a/test/lib/contents.lua
+++ b/test/lib/contents.lua
@@ -55,7 +55,7 @@ do --- math
 end
 
 do --- pre-5.2 math +lua<5.2 -compat5.2
-  assert(math.mod)
+  assert(not math.mod)
   assert(math.log10)
 end
 
@@ -68,16 +68,12 @@ do --- string
   check(string, "byte:char:dump:find:format:gmatch:gsub:len:lower:match:rep:reverse:sub:upper", "gfind")
 end
 
-do --- pre-5.2 string +lua<5.2 -compat5.2
-  assert(string.gfind)
-end
-
 do --- 5.2 string +lua>=5.2
   assert(not string.gfind)
 end
 
 do --- pre-5.2 table +lua<5.2
-  check(table, "concat:foreach:foreachi:getn:insert:maxn:remove:sort", "pack:unpack:setn:new")
+  check(table, "concat:foreach:foreachi:getn:insert:maxn:move:remove:sort", "pack:unpack:setn:new")
 end
 
 do --- 5.2 table +lua>=5.2
diff --git a/test/lib/ffi/bit64.lua b/test/lib/ffi/bit64.lua
index d1b47be..caca346 100644
--- a/test/lib/ffi/bit64.lua
+++ b/test/lib/ffi/bit64.lua
@@ -18,7 +18,7 @@ end
 
 do --- smoke band
   assert(tostring(band(1ll, 1, 1ll, -1)) == "1LL")
-  assert(tostring(band(1ll, 1, 1ull, -1)) == "1ULL")
+  assert(tostring(band(1ll, 1, 1ull, -1ll)) == "1ULL")
 end
 
 do --- smoke shl
diff --git a/test/lib/ffi/redir.lua b/test/lib/ffi/redir.lua
index c492055..acce97d 100644
--- a/test/lib/ffi/redir.lua
+++ b/test/lib/ffi/redir.lua
@@ -9,9 +9,16 @@ do --- function
 end
 
 do --- variable -windows
-  ffi.cdef[[
-  int redir_bar asm("errno");
-  ]]
+  if (jit.os == "BSD") then
+    -- Use "h_errno" instead, "errno" isn't defined in BSD libc.
+    ffi.cdef[[
+    int redir_bar asm("h_errno");
+    ]]
+  else
+    ffi.cdef[[
+    int redir_bar asm("errno");
+    ]]
+  end
 
   ffi.C.redir_bar = 14
   assert(ffi.C.redir_bar == 14)