2 files changed, 107 insertions, 0 deletions
diff --git a/mobile/android/modules/geckoview/test/xpcshell/test_ChildCrashHandler.js b/mobile/android/modules/geckoview/test/xpcshell/test_ChildCrashHandler.js
new file mode 100644
index 0000000000..0e07937ed3
--- /dev/null
+++ b/mobile/android/modules/geckoview/test/xpcshell/test_ChildCrashHandler.js
@@ -0,0 +1,102 @@
+/* Any copyright is dedicated to the Public Domain.
+http://creativecommons.org/publicdomain/zero/1.0/ */
+"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(
+  "resource://testing-common/AppData.sys.mjs"
+);
+
+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;
+  const remoteType = "webIsolated=https://example.com";
+  // 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, aCallback) {
+        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, aCallback) {
+        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");
+});
diff --git a/mobile/android/modules/geckoview/test/xpcshell/xpcshell.toml b/mobile/android/modules/geckoview/test/xpcshell/xpcshell.toml
new file mode 100644
index 0000000000..174a258d24
--- /dev/null
+++ b/mobile/android/modules/geckoview/test/xpcshell/xpcshell.toml
@@ -0,0 +1,5 @@
+[DEFAULT]
+firefox-appdir = "browser"
+run-if = ["os == 'android'"]
+
+["test_ChildCrashHandler.js"]