Fix table.clear not resetting cached length

PlutoLang · Aug 21, 2024 · 2335598 · 2335598
1 parent 83b9139
commit 2335598
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diff --git a/src/ltable.cpp b/src/ltable.cpp
@@ -1035,6 +1035,10 @@ LUAI_FUNC void luaH_clear (lua_State *L, Table *t) {
   /* clear hash part */
   freehash(L, t);
   setnodevector(L, t, 0);
+  /* clear cached length */
+#ifndef PLUTO_DISABLE_LENGTH_CACHE
+  t->length = 0;
+#endif
 }
 
 

diff --git a/testes/pluto/basic.pluto b/testes/pluto/basic.pluto
@@ -595,6 +595,11 @@ do
         rawset(t, i, "Hello")
     end
     assert(#t == 1000)
+
+    t = {1}
+    assert(#t == 1)
+    table.clear(t)
+    assert(#t == 0)
 end
 
 print "Testing null coalescing operator."