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c8029ea092
Per the suggestion in https://servo.zulipchat.com/#narrow/channel/263398-general/topic/PSA.3A.20avoid.20new.20usages.20of.20CanGc.20whenever.20possible/near/583995807 to mark this method as deprecated and make clear it shouldn't be used anymore, as alternatives exist. Part of #40600 Testing: It compiles Signed-off-by: Tim van der Lippe <tvanderlippe@gmail.com>
50 lines
1.7 KiB
Rust
50 lines
1.7 KiB
Rust
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/. */
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use std::rc::Rc;
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use dom_struct::dom_struct;
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use js::jsapi::{GCReason, JS_GC};
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use script_bindings::reflector::Reflector;
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use script_bindings::script_runtime::CanGc;
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use crate::dom::bindings::codegen::Bindings::TestUtilsBinding::TestUtilsMethods;
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use crate::dom::globalscope::GlobalScope;
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use crate::dom::promise::Promise;
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use crate::test::TrustedPromise;
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#[dom_struct]
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pub(crate) struct TestUtils {
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reflector_: Reflector,
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}
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impl TestUtilsMethods<crate::DomTypeHolder> for TestUtils {
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/// <https://testutils.spec.whatwg.org/#dom-testutils-gc>
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#[expect(unsafe_code)]
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fn Gc(global: &GlobalScope) -> Rc<Promise> {
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// 1. Let p be a new promise.
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let promise = Promise::new(global, CanGc::deprecated_note());
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let trusted = TrustedPromise::new(promise.clone());
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// 2. Run the following in parallel:
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// 2.1 Run implementation-defined steps to perform a garbage collection covering at least the entry Realm.
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// 2.2 Resolve p.
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// We need to spin the event-loop in order get the GC to actually run.
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// We do this by queuing a task that calls the GC and then resolves the promise.
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let task = task!(testutils_gc: move || {
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unsafe {
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JS_GC(*GlobalScope::get_cx(), GCReason::DOM_TESTUTILS);
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}
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let promise = trusted.root();
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promise.resolve_native(&(), CanGc::deprecated_note());
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});
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global
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.task_manager()
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.dom_manipulation_task_source()
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.queue(task);
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promise
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}
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}
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