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-rw-r--r--tests/ldblib.js36
1 files changed, 36 insertions, 0 deletions
diff --git a/tests/ldblib.js b/tests/ldblib.js
index 579912d..475c031 100644
--- a/tests/ldblib.js
+++ b/tests/ldblib.js
@@ -53,3 +53,39 @@ test('debug.getlocal', function (t) {
);
});
+
+test('debug.upvalueid', function (t) {
+ let luaCode = `
+ local upvalue = "upvalue"
+
+ local l = function()
+ return upvalue
+ end
+
+ return debug.upvalueid(l, 1)
+ `, L;
+
+ t.plan(3);
+
+ t.doesNotThrow(function () {
+
+ L = lauxlib.luaL_newstate();
+
+ linit.luaL_openlibs(L);
+
+ lauxlib.luaL_loadstring(L, lua.to_luastring(luaCode));
+
+ }, "Lua program loaded without error");
+
+ t.doesNotThrow(function () {
+
+ lapi.lua_call(L, 0, -1);
+
+ }, "Lua program ran without error");
+
+ t.ok(
+ lapi.lua_touserdata(L, -1),
+ "Correct element(s) on the stack"
+ );
+
+});