script/dom/testing/
servotestutils.rs

1/* This Source Code Form is subject to the terms of the Mozilla Public
2 * License, v. 2.0. If a copy of the MPL was not distributed with this
3 * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
4
5// check-tidy: no specs after this line
6
7use backtrace::Backtrace;
8use dom_struct::dom_struct;
9use layout_api::ReflowPhasesRun;
10use script_bindings::codegen::GenericBindings::WindowBinding::WindowMethods;
11use script_bindings::domstring::DOMString;
12use script_bindings::reflector::Reflector;
13use script_bindings::root::DomRoot;
14use script_bindings::script_runtime::CanGc;
15
16use crate::dom::bindings::codegen::Bindings::ServoTestUtilsBinding::ServoTestUtilsMethods;
17use crate::dom::globalscope::GlobalScope;
18use crate::dom::layoutresult::LayoutResult;
19
20#[dom_struct]
21pub(crate) struct ServoTestUtils {
22    reflector_: Reflector,
23}
24
25impl ServoTestUtilsMethods<crate::DomTypeHolder> for ServoTestUtils {
26    fn AdvanceClock(global: &GlobalScope, ms: i32) {
27        global.as_window().advance_animation_clock(ms);
28    }
29
30    #[expect(unsafe_code)]
31    fn CrashHard(_: &GlobalScope) {
32        unsafe { std::ptr::null_mut::<i32>().write(42) }
33    }
34
35    fn ForceLayout(global: &GlobalScope, can_gc: CanGc) -> DomRoot<LayoutResult> {
36        let phases_run = global.as_window().Document().update_the_rendering();
37
38        let mut phases = Vec::new();
39        if phases_run.contains(ReflowPhasesRun::RanLayout) {
40            phases.push(DOMString::from("RanLayout"))
41        }
42        if phases_run.contains(ReflowPhasesRun::CalculatedOverflow) {
43            phases.push(DOMString::from("CalculatedOverflow"))
44        }
45        if phases_run.contains(ReflowPhasesRun::BuiltStackingContextTree) {
46            phases.push(DOMString::from("BuiltStackingContextTree"))
47        }
48        if phases_run.contains(ReflowPhasesRun::BuiltDisplayList) {
49            phases.push(DOMString::from("BuiltDisplayList"))
50        }
51        if phases_run.contains(ReflowPhasesRun::UpdatedScrollNodeOffset) {
52            phases.push(DOMString::from("UpdatedScrollNodeOffset"))
53        }
54        if phases_run.contains(ReflowPhasesRun::UpdatedImageData) {
55            phases.push(DOMString::from("UpdatedImageData"))
56        }
57
58        LayoutResult::new(global, phases, can_gc)
59    }
60
61    fn Js_backtrace(_: &GlobalScope) {
62        println!("Current JS stack:");
63        let rust_stack = Backtrace::new();
64        println!("Current Rust stack:\n{:?}", rust_stack);
65    }
66
67    fn Panic(_: &GlobalScope) {
68        panic!("explicit panic from script")
69    }
70}
script/dom/testing/servotestutils.rs

script/dom/testing/
servotestutils.rs
