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Throw a TypeError when get_callable_property encounters a value that isn't callable.

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This commit is contained in:
Ms2ger 2015-06-14 16:45:28 +02:00
parent 0607cd3fb5
commit 90a7ef1571
3 changed files with 8 additions and 14 deletions
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9
components/script/dom/bindings/callback.rs
View file

@ -99,16 +99,15 @@ impl CallbackInterface {
-> Fallible<JSVal> {
let mut callable = UndefinedValue();
unsafe {
let name = CString::new(name).unwrap();
if JS_GetProperty(cx, self.callback(), name.as_ptr(), &mut callable) == 0 {
let c_name = CString::new(name).unwrap();
if JS_GetProperty(cx, self.callback(), c_name.as_ptr(), &mut callable) == 0 {
return Err(Error::JSFailed);
}
if !callable.is_object() ||
JS_ObjectIsCallable(cx, callable.to_object()) == 0 {
// FIXME(#347)
//ThrowErrorMessage(cx, MSG_NOT_CALLABLE, description.get());
return Err(Error::JSFailed);
return Err(Error::Type(
format!("The value of the {} property is not callable", name)));
}
}
Ok(callable)

3
tests/wpt/metadata/dom/traversal/TreeWalker-acceptNode-filter.html.ini
View file

@ -1,3 +0,0 @@
[TreeWalker-acceptNode-filter.html]
type: testharness
expected: CRASH

10
tests/wpt/web-platform-tests/dom/traversal/TreeWalker-acceptNode-filter.html
View file

@ -85,23 +85,21 @@ test(function()
assert_node(walker.currentNode, { type: Element, id: 'B1' });
}, 'Testing with undefined filter');
// XXX Servo breaks the test when a callback isn't callable
test(function()
{
var walker = document.createTreeWalker(testElement, /*NodeFilter.*/SHOW_ELEMENT, {});
assert_throws(null, function () { walker.firstChild(); });
assert_throws(new TypeError(), function () { walker.firstChild(); });
assert_node(walker.currentNode, { type: Element, id: 'root' });
assert_throws(null, function () { walker.nextNode(); });
assert_throws(new TypeError(), function () { walker.nextNode(); });
assert_node(walker.currentNode, { type: Element, id: 'root' });
}, 'Testing with object lacking acceptNode property');
// XXX Servo breaks the test when a callback isn't callable
test(function()
{
var walker = document.createTreeWalker(testElement, /*NodeFilter.*/SHOW_ELEMENT, { acceptNode: "foo" });
assert_throws(null, function () { walker.firstChild(); });
assert_throws(new TypeError(), function () { walker.firstChild(); });
assert_node(walker.currentNode, { type: Element, id: 'root' });
assert_throws(null, function () { walker.nextNode(); });
assert_throws(new TypeError(), function () { walker.nextNode(); });
assert_node(walker.currentNode, { type: Element, id: 'root' });
}, 'Testing with object with non-function acceptNode property');