Merge "Revert "Test for thread creation failed""
diff --git a/tests/resolv_integration_test.cpp b/tests/resolv_integration_test.cpp
index 3019890..b53d2ba 100644
--- a/tests/resolv_integration_test.cpp
+++ b/tests/resolv_integration_test.cpp
@@ -2710,54 +2710,6 @@
EXPECT_EQ(1U, GetNumQueries(dns, host_name));
}
-// Run a large number of DNS queries through asynchronous API to create
-// thousands of threads in resolver to simulate the failure of thread creation
-// when memory per process is exhausted. (The current critical value is about
-// 84xx threads.)
-TEST_F(ResolverTest, Async_OutOfMemory) {
- constexpr char host_name[] = "howdy.example.com.";
- constexpr size_t AMOUNT_OF_UIDS = 40;
- constexpr size_t MAX_QUERIES_PER_UID = 256;
- constexpr size_t NUM_OF_QUERIES = AMOUNT_OF_UIDS * MAX_QUERIES_PER_UID;
-
- test::DNSResponder dns;
- StartDns(dns, {{host_name, ns_type::ns_t_a, "1.2.3.4"}});
- ASSERT_TRUE(mDnsClient.SetResolversForNetwork());
- dns.setDeferredResp(true);
-
- std::vector<int> fds;
- fds.reserve(NUM_OF_QUERIES);
- bool send_query = true;
- for (size_t i = 0; i < AMOUNT_OF_UIDS && send_query; i++) {
- ScopedChangeUID scopedChangeUID(TEST_UID - i);
- for (size_t j = 0; j < MAX_QUERIES_PER_UID; j++) {
- int fd = resNetworkQuery(TEST_NETID, "howdy.example.com", ns_c_in, ns_t_a, 0);
- if (fd >= 0) {
- fds.emplace_back(fd);
- } else {
- send_query = false;
- break;
- }
- }
- }
-
- dns.setDeferredResp(false);
- EXPECT_EQ(NUM_OF_QUERIES, fds.size());
- // TODO: AIBinder_DeathRecipient_new does not work (b/172178636), which
- // should be fixed. Fortunately, netd crash is still detectable at the point
- // of DumpResolverService() in TearDown(), where accesses mDnsClient. Also,
- // the fds size will be less than NUM_OF_QUERIES in that case.
-
- uint8_t buf[MAXPACKET];
- int rcode;
- for (auto fd : fds) {
- memset(buf, 0, MAXPACKET);
- getAsyncResponse(fd, &rcode, buf, MAXPACKET);
- // The results of each DNS query are not examined, since they won't all
- // succeed or all fail. Here we only focus on netd is crashed or not.
- }
-}
-
// This test checks that the resolver should not generate the request containing OPT RR when using
// cleartext DNS. If we query the DNS server not supporting EDNS0 and it reponds with
// FORMERR_ON_EDNS, we will fallback to no EDNS0 and try again. If the server does no response, we