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jscript: Add Object.isExtensible implementation. 

Signed-off-by: Jacek Caban <jacek@codeweavers.com>
Signed-off-by: Alexandre Julliard <julliard@winehq.org>
This commit is contained in:
Jacek Caban 2021-04-01 18:18:47 +02:00 committed by Alexandre Julliard
parent 7750753758
commit 7dadcaf819
2 changed files with 37 additions and 0 deletions
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22
dlls/jscript/object.c
View File

@ -693,12 +693,34 @@ static HRESULT Object_preventExtensions(script_ctx_t *ctx, vdisp_t *jsthis, WORD
return S_OK; 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[] = { static const builtin_prop_t ObjectConstr_props[] = {
{L"create", Object_create, PROPF_ES5|PROPF_METHOD|2}, {L"create", Object_create, PROPF_ES5|PROPF_METHOD|2},
{L"defineProperties", Object_defineProperties, PROPF_ES5|PROPF_METHOD|2}, {L"defineProperties", Object_defineProperties, PROPF_ES5|PROPF_METHOD|2},
{L"defineProperty", Object_defineProperty, PROPF_ES5|PROPF_METHOD|2}, {L"defineProperty", Object_defineProperty, PROPF_ES5|PROPF_METHOD|2},
{L"getOwnPropertyDescriptor", Object_getOwnPropertyDescriptor, PROPF_ES5|PROPF_METHOD|2}, {L"getOwnPropertyDescriptor", Object_getOwnPropertyDescriptor, PROPF_ES5|PROPF_METHOD|2},
{L"getPrototypeOf", Object_getPrototypeOf, PROPF_ES5|PROPF_METHOD|1}, {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"keys", Object_keys, PROPF_ES5|PROPF_METHOD|1},
{L"preventExtensions", Object_preventExtensions, PROPF_ES5|PROPF_METHOD|1}, {L"preventExtensions", Object_preventExtensions, PROPF_ES5|PROPF_METHOD|1},
}; };

15
dlls/mshtml/tests/es5.js
View File

@ -958,6 +958,8 @@ sync_test("preventExtensions", function() {
r = Object.preventExtensions(o); r = Object.preventExtensions(o);
ok(r === o, "r != o"); ok(r === o, "r != o");
r = Object.isExtensible(o);
ok(r === false, "isExtensible(o) returned " + r);
function Constr() {} function Constr() {}
o = Object.preventExtensions(new Constr()); o = Object.preventExtensions(new Constr());
@ -965,8 +967,21 @@ sync_test("preventExtensions", function() {
ok(o.prop === 1, "o.prop = " + o.prop); ok(o.prop === 1, "o.prop = " + o.prop);
o.prop = 2; o.prop = 2;
ok(o.prop === 1, "o.prop = " + o.prop); ok(o.prop === 1, "o.prop = " + o.prop);
r = Object.isExtensible(o);
ok(r === false, "isExtensible(o) returned " + r);
r = Object.isExtensible({});
ok(r === true, "isExtensible(o) returned " + r);
try {
Object.isExtensible(1);
ok(false, "exception expected");
}catch(e) {
ok(e.name === "TypeError", "got " + e.name + " exception");
}
ok(Object.preventExtensions.length === 1, "Object.preventExtensions.length = " + Object.preventExtensions.length); ok(Object.preventExtensions.length === 1, "Object.preventExtensions.length = " + Object.preventExtensions.length);
ok(Object.isExtensible.length === 1, "Object.isExtensible.length = " + Object.isExtensible.length);
}); });
sync_test("head_setter", function() { sync_test("head_setter", function() {