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'requiref' checks 'package.loaded' before loading a module

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Roberto Ierusalimschy
2014-07-16 11:51:36 -03:00
parent 16b4110521
commit c229ed597f
2 changed files with 22 additions and 13 deletions
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9
ltests.c
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@@ -1,5 +1,5 @@
/*
** $Id: ltests.c,v 2.173 2014/06/19 18:29:30 roberto Exp roberto $
** $Id: ltests.c,v 2.174 2014/06/26 17:25:11 roberto Exp roberto $
** Internal Module for Debugging of the Lua Implementation
** See Copyright Notice in lua.h
*/
@@ -839,7 +839,12 @@ static int loadlib (lua_State *L) {
};
lua_State *L1 = getstate(L);
int i;
luaL_requiref(L1, "package", luaopen_package, 1);
luaL_requiref(L1, "package", luaopen_package, 0);
lua_assert(lua_type(L1, -1) == LUA_TTABLE);
/* 'requiref' should not reload module already loaded... */
luaL_requiref(L1, "package", NULL, 1); /* seg. fault if it reloads */
/* ...but should return the same module */
lua_assert(lua_compare(L1, -1, -2, LUA_OPEQ));
luaL_getsubtable(L1, LUA_REGISTRYINDEX, "_PRELOAD");
for (i = 0; libs[i].name; i++) {
lua_pushcfunction(L1, libs[i].func);