first attempt

kinda good, but all textures are missing.

libs/LibStub/tests/test4.lua

@@ -0,0 +1,41 @@
+debugstack = debug.traceback
+strmatch = string.match
+
+loadfile("../LibStub.lua")()
+
+
+-- Pretend like loaded libstub is old and doesn't have :IterateLibraries
+assert(LibStub.minor)
+LibStub.minor = LibStub.minor - 0.0001
+LibStub.IterateLibraries = nil
+
+loadfile("../LibStub.lua")()
+
+assert(type(LibStub.IterateLibraries)=="function")
+
+
+-- Now pretend that we're the same version -- :IterateLibraries should NOT be re-created
+LibStub.IterateLibraries = 123
+
+loadfile("../LibStub.lua")()
+
+assert(LibStub.IterateLibraries == 123)
+
+
+-- Now pretend that a newer version is loaded -- :IterateLibraries should NOT be re-created
+LibStub.minor = LibStub.minor + 0.0001
+
+loadfile("../LibStub.lua")()
+
+assert(LibStub.IterateLibraries == 123)
+
+
+-- Again with a huge number
+LibStub.minor = LibStub.minor + 1234567890
+
+loadfile("../LibStub.lua")()
+
+assert(LibStub.IterateLibraries == 123)
+
+
+print("OK")