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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-19 00:47:55 +0000
commit26a029d407be480d791972afb5975cf62c9360a6 (patch)
treef435a8308119effd964b339f76abb83a57c29483 /ipc/ipdl/test/cxx/TestCrashCleanup.cpp
parentInitial commit. (diff)
downloadfirefox-26a029d407be480d791972afb5975cf62c9360a6.tar.xz
firefox-26a029d407be480d791972afb5975cf62c9360a6.zip
Adding upstream version 124.0.1.upstream/124.0.1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'ipc/ipdl/test/cxx/TestCrashCleanup.cpp')
-rw-r--r--ipc/ipdl/test/cxx/TestCrashCleanup.cpp100
1 files changed, 100 insertions, 0 deletions
diff --git a/ipc/ipdl/test/cxx/TestCrashCleanup.cpp b/ipc/ipdl/test/cxx/TestCrashCleanup.cpp
new file mode 100644
index 0000000000..6a19cc0f65
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+++ b/ipc/ipdl/test/cxx/TestCrashCleanup.cpp
@@ -0,0 +1,100 @@
+#include "TestCrashCleanup.h"
+
+#include "base/task.h"
+#include "mozilla/CondVar.h"
+#include "mozilla/Mutex.h"
+
+#include "IPDLUnitTests.h" // fail etc.
+#include "IPDLUnitTestSubprocess.h"
+
+using mozilla::CondVar;
+using mozilla::Mutex;
+using mozilla::MutexAutoLock;
+
+namespace mozilla {
+namespace _ipdltest {
+
+//-----------------------------------------------------------------------------
+// parent
+
+namespace {
+
+// NB: this test does its own shutdown, rather than going through
+// QuitParent(), because it's testing degenerate edge cases
+
+void DeleteSubprocess(Mutex* mutex, CondVar* cvar) {
+ MutexAutoLock lock(*mutex);
+
+ gSubprocess->Destroy();
+ gSubprocess = nullptr;
+
+ cvar->Notify();
+}
+
+void DeleteTheWorld() {
+ delete static_cast<TestCrashCleanupParent*>(gParentActor);
+ gParentActor = nullptr;
+
+ // needs to be synchronous to avoid affecting event ordering on
+ // the main thread
+ Mutex mutex MOZ_UNANNOTATED("TestCrashCleanup.DeleteTheWorld.mutex");
+ CondVar cvar(mutex, "TestCrashCleanup.DeleteTheWorld.cvar");
+
+ MutexAutoLock lock(mutex);
+
+ XRE_GetIOMessageLoop()->PostTask(
+ NewRunnableFunction("DeleteSubprocess", DeleteSubprocess, &mutex, &cvar));
+
+ cvar.Wait();
+}
+
+void Done() {
+ static NS_DEFINE_CID(kAppShellCID, NS_APPSHELL_CID);
+ nsCOMPtr<nsIAppShell> appShell(do_GetService(kAppShellCID));
+ appShell->Exit();
+
+ passed(__FILE__);
+}
+
+} // namespace
+
+TestCrashCleanupParent::TestCrashCleanupParent() : mCleanedUp(false) {
+ MOZ_COUNT_CTOR(TestCrashCleanupParent);
+}
+
+TestCrashCleanupParent::~TestCrashCleanupParent() {
+ MOZ_COUNT_DTOR(TestCrashCleanupParent);
+
+ if (!mCleanedUp) fail("should have been ActorDestroy()d!");
+}
+
+void TestCrashCleanupParent::Main() {
+ // NB: has to be enqueued before IO thread's error notification
+ MessageLoop::current()->PostTask(
+ NewRunnableFunction("DeleteTheWorld", DeleteTheWorld));
+
+ if (CallDIEDIEDIE()) fail("expected an error!");
+
+ Close();
+
+ MessageLoop::current()->PostTask(NewRunnableFunction("Done", Done));
+}
+
+//-----------------------------------------------------------------------------
+// child
+
+TestCrashCleanupChild::TestCrashCleanupChild() {
+ MOZ_COUNT_CTOR(TestCrashCleanupChild);
+}
+
+TestCrashCleanupChild::~TestCrashCleanupChild() {
+ MOZ_COUNT_DTOR(TestCrashCleanupChild);
+}
+
+mozilla::ipc::IPCResult TestCrashCleanupChild::AnswerDIEDIEDIE() {
+ _exit(0);
+ MOZ_CRASH("unreached");
+}
+
+} // namespace _ipdltest
+} // namespace mozilla