void onDraw(const int loops, SkCanvas*) override {
for (int i = 0; i < loops; ++i) {
SkWeakRefCnt* ref = new SkWeakRefCnt();
for (int j = 0; j < M; ++j) {
ref->ref();
ref->unref();
}
ref->unref();
}
}
static void bounce_weak_ref(void* data) {
SkWeakRefCnt* ref = static_cast<SkWeakRefCnt*>(data);
for (int i = 0; i < 100000; ++i) {
if (ref->try_ref()) {
ref->unref();
}
}
}
virtual void onDraw(const int loops, SkCanvas*) {
for (int i = 0; i < loops; ++i) {
SkWeakRefCnt ref;
for (int j = 0; j < M; ++j) {
ref.ref();
ref.unref();
}
}
}
static void test_weakRefCnt(skiatest::Reporter* reporter) {
SkWeakRefCnt* ref = new SkWeakRefCnt();
std::thread thing1(bounce_ref, ref);
std::thread thing2(bounce_ref, ref);
std::thread thing3(bounce_weak_ref, ref);
std::thread thing4(bounce_weak_weak_ref, ref);
thing1.join();
thing2.join();
thing3.join();
thing4.join();
REPORTER_ASSERT(reporter, ref->unique());
SkDEBUGCODE(REPORTER_ASSERT(reporter, ref->getWeakCnt() == 1));
ref->unref();
}