Jacek Caban : mshtml/tests: Add script context test.

[Alexandre Julliard]

Module: wine
Branch: master
Commit: 57af3f1e72122644db3ba5e37b5c44f0f0c0721e
URL:    https://gitlab.winehq.org/wine/wine/-/commit/57af3f1e72122644db3ba5e37b5c44f...

Author: Jacek Caban 
Date:   Wed Jul 10 21:20:14 2024 +0200

mshtml/tests: Add script context test.

---

dlls/mshtml/tests/es5.js | 30 ++++++++++++++++++++++++++++++
 1 file changed, 30 insertions(+)

diff --git a/dlls/mshtml/tests/es5.js b/dlls/mshtml/tests/es5.js
index b04c13de984..3d00f39cbc3 100644
--- a/dlls/mshtml/tests/es5.js
+++ b/dlls/mshtml/tests/es5.js
@@ -2658,3 +2658,33 @@ sync_test("builtin_func", function() {
     ok(f.call(o, "test", 1) === false, 'f.call(o, "test", 1) = ' + f.call(o, "test", 1));
     ok("" + f === "\nfunction hasFeature() {\n    [native code]\n}\n", "f = " + f);
 });
+
+async_test("script_global", function() {
+    // Created documents share script global, so their objects are instances of Object from
+    // the current script context.
+    var doc = document.implementation.createHTMLDocument("test");
+    todo_wine.
+    ok(doc instanceof Object, "created doc is not an instance of Object");
+    todo_wine.
+    ok(doc.implementation instanceof Object, "created doc.implementation is not an instance of Object");
+
+    document.body.innerHTML = "";
+    var iframe = document.createElement("iframe");
+
+    // Documents created in iframe use iframe's script global, so their objects are not instances of
+    // current script context Object.
+    iframe.onload = guard(function() {
+        var doc = iframe.contentWindow.document;
+        ok(!(doc instanceof Object), "doc is an instance of Object");
+        ok(!(doc.implementation instanceof Object), "doc.implementation is an instance of Object");
+
+        doc = doc.implementation.createHTMLDocument("test");
+        ok(!(doc instanceof Object), "created iframe doc is an instance of Object");
+        ok(!(doc.implementation instanceof Object), "created iframe doc.implementation is an instance of Object");
+
+        next_test();
+    });
+
+    iframe.src = "about:blank";
+    document.body.appendChild(iframe);
+});