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Tests/LibWeb: Import a message event constructor WPT test

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Shannon Booth
2026-01-05 23:10:50 +01:00
committed by Shannon Booth
parent d00571719f
commit 82ae2a183c
Notes: github-actions[bot] 2026-01-06 10:50:03 +00:00 
Author: https://github.com/shannonbooth
Commit: https://github.com/LadybirdBrowser/ladybird/commit/82ae2a183cc
Pull-request: https://github.com/LadybirdBrowser/ladybird/pull/7334
2 changed files with 129 additions and 0 deletions
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114
Tests/LibWeb/Text/input/wpt-import/html/webappapis/scripting/events/messageevent-constructor.https.html Normal file
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<!DOCTYPE html>
<title>MessageEvent constructor</title>
<script src="../../../../resources/testharness.js"></script>
<script src="../../../../resources/testharnessreport.js"></script>
<script src="../../../../service-workers/service-worker/resources/test-helpers.sub.js"></script>
<script>
test(function() {
assert_throws_js(
TypeError,
() => MessageEvent(""),
"Calling MessageEvent constructor without 'new' must throw"
);
}, "MessageEvent constructor called as normal function");
test(function() {
var ev = new MessageEvent("test")
assert_equals(ev.type, "test", "type attribute")
assert_equals(ev.target, null, "target attribute")
assert_equals(ev.currentTarget, null, "currentTarget attribute")
assert_equals(ev.eventPhase, Event.NONE, "eventPhase attribute")
assert_equals(ev.bubbles, false, "bubbles attribute")
assert_equals(ev.cancelable, false, "cancelable attribute")
assert_equals(ev.defaultPrevented, false, "defaultPrevented attribute")
assert_equals(ev.isTrusted, false, "isTrusted attribute")
assert_true(ev.timeStamp > 0, "timeStamp attribute")
assert_true("initMessageEvent" in ev, "initMessageEvent operation")
assert_equals(ev.data, null, "data attribute")
assert_equals(ev.origin, "", "origin attribute")
assert_equals(ev.lastEventId, "", "lastEventId attribute")
assert_equals(ev.source, null, "source attribute")
assert_array_equals(ev.ports, [], "ports attribute")
}, "Default event values")
test(function() {
var channel = new MessageChannel()
var ev = new MessageEvent("test", { data: "testData", origin: "testOrigin", lastEventId: "testId", source: window, ports: [channel.port1] })
assert_equals(ev.type, "test", "type attribute")
assert_equals(ev.data, "testData", "data attribute")
assert_equals(ev.origin, "testOrigin", "origin attribute")
assert_equals(ev.lastEventId, "testId", "lastEventId attribute")
assert_equals(ev.source, window, "source attribute")
assert_array_equals(ev.ports, [channel.port1], "ports attribute")
}, "MessageEventInit dictionary")
test(function() {
assert_throws_js(TypeError, function() {
new MessageEvent("test", { ports: null })
})
}, "Passing null for ports member")
test(function() {
var ev = new MessageEvent("test", { ports: [] })
assert_true(Array.isArray(ev.ports), "Array.isArray() should return true")
assert_true(Object.isFrozen(ev.ports), "Object.isFrozen() should return true")
assert_equals(ev.ports, ev.ports, "ev.ports should return the same object")
const oldPorts = ev.ports;
ev.initMessageEvent("test", false, false, null, "", "", null, ev.ports);
assert_not_equals(oldPorts, ev.ports, "initMessageEvent() changes ev.ports");
}, "ports attribute should be a FrozenArray")
test(function() {
var ev = document.createEvent("messageevent");
var channel = new MessageChannel()
ev.initMessageEvent("test", true, false, "testData", "testOrigin", "testId", window, [channel.port1])
assert_equals(ev.type, "test", "type attribute")
assert_equals(ev.bubbles, true, "bubbles attribute")
assert_equals(ev.cancelable, false, "bubbles attribute")
assert_equals(ev.data, "testData", "data attribute")
assert_equals(ev.origin, "testOrigin", "origin attribute")
assert_equals(ev.lastEventId, "testId", "lastEventId attribute")
assert_equals(ev.source, window, "source attribute")
assert_array_equals(ev.ports, [channel.port1], "ports attribute")
}, "initMessageEvent operation")
test(function() {
var ev = document.createEvent("messageevent")
assert_throws_js(TypeError, function() {
ev.initMessageEvent("test", true, false, "testData", "testOrigin", "testId", window, null)
})
}, "Passing null for ports parameter to initMessageEvent")
test(function() {
var ev = document.createEvent("messageevent")
assert_equals(MessageEvent.prototype.initMessageEvent.length, 1, "MessageEvent.prototype.initMessageEvent.length should be 1")
ev.initMessageEvent("test")
assert_equals(ev.type, "test", "type attribute")
assert_equals(ev.bubbles, false, "bubbles attribute")
assert_equals(ev.cancelable, false, "bubbles attribute")
assert_equals(ev.data, null, "data attribute")
assert_equals(ev.origin, "", "origin attribute")
assert_equals(ev.lastEventId, "", "lastEventId attribute")
assert_equals(ev.source, null, "source attribute")
assert_array_equals(ev.ports, [], "ports attribute")
}, "initMessageEvent operation default parameter values")
promise_test(function(t) {
var worker_url = "/service-workers/service-worker/resources/empty-worker.js";
var scope = "/service-workers/service-worker/resources/";
var registration;
return service_worker_unregister_and_register(t, worker_url, scope)
.then(function(r) {
registration = r;
return wait_for_state(t, r.installing, "activated");
})
.then(function() {
var ev = new MessageEvent("test", { source: registration.active });
assert_equals(ev.source, registration.active, "source attribute should return the ServiceWorker");
service_worker_unregister(t, scope);
});
}, "Passing ServiceWorker for source member");
</script>