From 97010d4903ef7cc7d71bd7f23ee1b1b79b94ceef Mon Sep 17 00:00:00 2001
From: Linus Groh <mail@linusgroh.de>
Date: Sun, 8 Aug 2021 18:39:20 +0100
Subject: [PATCH] LibJS: Implement Intl[@@toStringTag]

---
 Userland/Libraries/LibJS/Runtime/Intl/Intl.cpp               | 5 +++++
 .../LibJS/Tests/builtins/Intl/Intl.@@toStringTag.js          | 3 +++
 2 files changed, 8 insertions(+)
 create mode 100644 Userland/Libraries/LibJS/Tests/builtins/Intl/Intl.@@toStringTag.js

diff --git a/Userland/Libraries/LibJS/Runtime/Intl/Intl.cpp b/Userland/Libraries/LibJS/Runtime/Intl/Intl.cpp
index d32638ea29..8165cb8cd7 100644
--- a/Userland/Libraries/LibJS/Runtime/Intl/Intl.cpp
+++ b/Userland/Libraries/LibJS/Runtime/Intl/Intl.cpp
@@ -18,6 +18,11 @@ Intl::Intl(GlobalObject& global_object)
 void Intl::initialize(GlobalObject& global_object)
 {
     Object::initialize(global_object);
+
+    auto& vm = this->vm();
+
+    // 8.1.1 Intl[ @@toStringTag ], https://tc39.es/ecma402/#sec-Intl-toStringTag
+    define_direct_property(*vm.well_known_symbol_to_string_tag(), js_string(vm, "Intl"), Attribute::Configurable);
 }
 
 }
diff --git a/Userland/Libraries/LibJS/Tests/builtins/Intl/Intl.@@toStringTag.js b/Userland/Libraries/LibJS/Tests/builtins/Intl/Intl.@@toStringTag.js
new file mode 100644
index 0000000000..41d111f7f9
--- /dev/null
+++ b/Userland/Libraries/LibJS/Tests/builtins/Intl/Intl.@@toStringTag.js
@@ -0,0 +1,3 @@
+test("basic functionality", () => {
+    expect(Intl[Symbol.toStringTag]).toBe("Intl");
+});