[WINESYNC] jscript: Add Object.isExtensible implementation.

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>

wine commit id 7dadcaf81904265ea76055cb12fe7577922e8c36 by Jacek Caban <jacek@codeweavers.com>

Author: winesync

dll/win32/jscript/object.c

@@ -694,12 +694,34 @@ static HRESULT Object_preventExtensions(script_ctx_t *ctx, vdisp_t *jsthis, WORD
     return S_OK;
 }
 
+static HRESULT Object_isExtensible(script_ctx_t *ctx, vdisp_t *jsthis, WORD flags, unsigned argc, jsval_t *argv, jsval_t *r)
+{
+    jsdisp_t *obj;
+
+    if(!argc || !is_object_instance(argv[0]) || !get_object(argv[0])) {
+        WARN("argument is not an object\n");
+        return JS_E_OBJECT_EXPECTED;
+    }
+
+    TRACE("(%s)\n", debugstr_jsval(argv[0]));
+
+    obj = to_jsdisp(get_object(argv[0]));
+    if(!obj) {
+        FIXME("Non-JS object\n");
+        return E_NOTIMPL;
+    }
+
+    if(r) *r = jsval_bool(obj->extensible);
+    return S_OK;
+}
+
 static const builtin_prop_t ObjectConstr_props[] = {
     {L"create",                   Object_create,                      PROPF_ES5|PROPF_METHOD|2},
     {L"defineProperties",         Object_defineProperties,            PROPF_ES5|PROPF_METHOD|2},
     {L"defineProperty",           Object_defineProperty,              PROPF_ES5|PROPF_METHOD|2},
     {L"getOwnPropertyDescriptor", Object_getOwnPropertyDescriptor,    PROPF_ES5|PROPF_METHOD|2},
     {L"getPrototypeOf",           Object_getPrototypeOf,              PROPF_ES5|PROPF_METHOD|1},
+    {L"isExtensible",             Object_isExtensible,                PROPF_ES5|PROPF_METHOD|1},
     {L"keys",                     Object_keys,                        PROPF_ES5|PROPF_METHOD|1},
     {L"preventExtensions",        Object_preventExtensions,           PROPF_ES5|PROPF_METHOD|1},
 };

sdk/tools/winesync/jscript.cfg

@@ -3,4 +3,4 @@ directories:
   dlls/jscript/tests: modules/rostests/winetests/jscript
 files: null
 tags:
-  wine: 7750753758693cbd09b978dfb53557c3b0715335
+  wine: 7dadcaf81904265ea76055cb12fe7577922e8c36