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Test Info:
/* Any copyright is dedicated to the Public Domain.
"use strict";
const lazy = {};
ChromeUtils.defineESModuleGetters(lazy, {
ChildCrashHandler: "resource://gre/modules/ChildCrashHandler.sys.mjs",
EventDispatcher: "resource://gre/modules/Messaging.sys.mjs",
});
const { makeFakeAppDir } = ChromeUtils.importESModule(
);
add_setup(async function () {
await makeFakeAppDir();
// The test harness sets MOZ_CRASHREPORTER_NO_REPORT, which disables crash
// reports. This test needs them enabled.
const noReport = Services.env.get("MOZ_CRASHREPORTER_NO_REPORT");
Services.env.set("MOZ_CRASHREPORTER_NO_REPORT", "");
registerCleanupFunction(function () {
Services.env.set("MOZ_CRASHREPORTER_NO_REPORT", noReport);
});
});
add_task(async function test_remoteType() {
const childID = 123;
// Force-set a remote type for the process that we are going to "crash" next.
lazy.ChildCrashHandler.childMap.set(childID, remoteType);
// Mock a process crash being notified.
const propertyBag = Cc["@mozilla.org/hash-property-bag;1"].createInstance(
Ci.nsIWritablePropertyBag2
);
propertyBag.setPropertyAsBool("abnormal", true);
propertyBag.setPropertyAsAString("dumpID", "a-dump-id");
// Set up a listener to receive the crash report event emitted by the handler.
let listener;
const crashReportPromise = new Promise(resolve => {
listener = {
onEvent(aEvent, aData) {
resolve([aEvent, aData]);
},
};
});
lazy.EventDispatcher.instance.registerListener(listener, [
"GeckoView:ChildCrashReport",
]);
// Simulate a crash.
lazy.ChildCrashHandler.observe(propertyBag, "ipc:content-shutdown", childID);
const [aEvent, aData] = await crashReportPromise;
Assert.equal(
"GeckoView:ChildCrashReport",
aEvent,
"expected a child crash report"
);
Assert.equal("webIsolated", aData?.remoteType, "expected remote type prefix");
});
add_task(async function test_extensions_process_crash() {
const childID = 123;
const remoteType = "extension";
// Force-set a remote type for the process that we are going to "crash" next.
lazy.ChildCrashHandler.childMap.set(childID, remoteType);
// Mock a process crash being notified.
const propertyBag = Cc["@mozilla.org/hash-property-bag;1"].createInstance(
Ci.nsIWritablePropertyBag2
);
propertyBag.setPropertyAsBool("abnormal", true);
propertyBag.setPropertyAsAString("dumpID", "a-dump-id");
// Set up a listener to receive the crash report event emitted by the handler.
let listener;
const crashReportPromise = new Promise(resolve => {
listener = {
onEvent(aEvent, aData) {
resolve([aEvent, aData]);
},
};
});
lazy.EventDispatcher.instance.registerListener(listener, [
"GeckoView:ChildCrashReport",
]);
// Simulate a crash.
lazy.ChildCrashHandler.observe(propertyBag, "ipc:content-shutdown", childID);
const [aEvent, aData] = await crashReportPromise;
Assert.equal(
"GeckoView:ChildCrashReport",
aEvent,
"expected a child crash report"
);
Assert.equal("extension", aData?.remoteType, "expected remote type");
Assert.equal("BACKGROUND_CHILD", aData?.processType, "expected process type");
});