blob: fb358a1c4d612a60123d89ed376057200e2281b1 [file] [log] [blame]
// Copyright 2015 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "net/ssl/ssl_client_session_cache.h"
#include "base/run_loop.h"
#include "base/strings/string_number_conversions.h"
#include "base/test/simple_test_clock.h"
#include "base/test/task_environment.h"
#include "base/time/time.h"
#include "base/trace_event/memory_allocator_dump.h"
#include "base/trace_event/process_memory_dump.h"
#include "base/trace_event/traced_value.h"
#include "net/base/network_isolation_key.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/boringssl/src/include/openssl/ssl.h"
#include "url/gurl.h"
using testing::ByRef;
using testing::Contains;
using testing::Eq;
using testing::Field;
namespace net {
namespace {
std::unique_ptr<base::SimpleTestClock> MakeTestClock() {
std::unique_ptr<base::SimpleTestClock> clock =
std::make_unique<base::SimpleTestClock>();
// SimpleTestClock starts at the null base::Time which converts to and from
// time_t confusingly.
clock->SetNow(base::Time::FromTimeT(1000000000));
return clock;
}
SSLClientSessionCache::Key MakeTestKey(const std::string& str) {
SSLClientSessionCache::Key key;
key.server = HostPortPair(str, 443);
return key;
}
class SSLClientSessionCacheTest : public testing::Test {
public:
SSLClientSessionCacheTest() : ssl_ctx_(SSL_CTX_new(TLS_method())) {}
protected:
bssl::UniquePtr<SSL_SESSION> NewSSLSession(
uint16_t version = TLS1_2_VERSION) {
SSL_SESSION* session = SSL_SESSION_new(ssl_ctx_.get());
if (!SSL_SESSION_set_protocol_version(session, version))
return nullptr;
return bssl::UniquePtr<SSL_SESSION>(session);
}
bssl::UniquePtr<SSL_SESSION> MakeTestSession(base::Time now,
base::TimeDelta timeout) {
bssl::UniquePtr<SSL_SESSION> session = NewSSLSession();
SSL_SESSION_set_time(session.get(), now.ToTimeT());
SSL_SESSION_set_timeout(session.get(), timeout.InSeconds());
return session;
}
private:
bssl::UniquePtr<SSL_CTX> ssl_ctx_;
};
} // namespace
// These tests rely on memory corruption detectors to verify that
// SSL_SESSION reference counts were correctly managed and no sessions
// leaked or were accessed after free.
// Test basic insertion and lookup operations.
TEST_F(SSLClientSessionCacheTest, Basic) {
SSLClientSessionCache::Config config;
SSLClientSessionCache cache(config);
bssl::UniquePtr<SSL_SESSION> session1 = NewSSLSession();
bssl::UniquePtr<SSL_SESSION> session2 = NewSSLSession();
bssl::UniquePtr<SSL_SESSION> session3 = NewSSLSession();
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(0u, cache.size());
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session1));
EXPECT_EQ(session1.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(1u, cache.size());
cache.Insert(MakeTestKey("key2"), bssl::UpRef(session2));
EXPECT_EQ(session1.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(session2.get(), cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(2u, cache.size());
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session3));
EXPECT_EQ(session3.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(session2.get(), cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(2u, cache.size());
cache.Flush();
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key3")).get());
EXPECT_EQ(0u, cache.size());
}
// Test basic insertion and lookup operations with single-use sessions.
TEST_F(SSLClientSessionCacheTest, BasicSingleUse) {
SSLClientSessionCache::Config config;
SSLClientSessionCache cache(config);
bssl::UniquePtr<SSL_SESSION> session1 = NewSSLSession(TLS1_3_VERSION);
bssl::UniquePtr<SSL_SESSION> session2 = NewSSLSession(TLS1_3_VERSION);
bssl::UniquePtr<SSL_SESSION> session3 = NewSSLSession(TLS1_3_VERSION);
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(0u, cache.size());
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session1));
EXPECT_EQ(session1.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(0u, cache.size());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key1")).get());
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session1));
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session1));
cache.Insert(MakeTestKey("key2"), bssl::UpRef(session2));
EXPECT_EQ(session1.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(session2.get(), cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(1u, cache.size());
EXPECT_EQ(session1.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key2")).get());
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session1));
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session3));
cache.Insert(MakeTestKey("key2"), bssl::UpRef(session2));
EXPECT_EQ(session3.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(session1.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(session2.get(), cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(0u, cache.size());
cache.Flush();
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key3")).get());
EXPECT_EQ(0u, cache.size());
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session1));
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session2));
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session3));
EXPECT_EQ(session3.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(session2.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key1")).get());
}
// Test insertion and lookup operations with both single-use and reusable
// sessions.
TEST_F(SSLClientSessionCacheTest, MixedUse) {
SSLClientSessionCache::Config config;
SSLClientSessionCache cache(config);
bssl::UniquePtr<SSL_SESSION> session_single = NewSSLSession(TLS1_3_VERSION);
bssl::UniquePtr<SSL_SESSION> session_reuse = NewSSLSession(TLS1_2_VERSION);
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(0u, cache.size());
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session_reuse));
EXPECT_EQ(session_reuse.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(1u, cache.size());
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session_single));
EXPECT_EQ(session_single.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(0u, cache.size());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(0u, cache.size());
cache.Insert(MakeTestKey("key2"), bssl::UpRef(session_single));
cache.Insert(MakeTestKey("key2"), bssl::UpRef(session_single));
EXPECT_EQ(1u, cache.size());
EXPECT_EQ(session_single.get(), cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(session_single.get(), cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(0u, cache.size());
cache.Insert(MakeTestKey("key2"), bssl::UpRef(session_single));
cache.Insert(MakeTestKey("key2"), bssl::UpRef(session_reuse));
EXPECT_EQ(session_reuse.get(), cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(session_reuse.get(), cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(1u, cache.size());
}
// Test that a session may be inserted at two different keys. This should never
// be necessary, but the API doesn't prohibit it.
TEST_F(SSLClientSessionCacheTest, DoubleInsert) {
SSLClientSessionCache::Config config;
SSLClientSessionCache cache(config);
bssl::UniquePtr<SSL_SESSION> session = NewSSLSession();
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(0u, cache.size());
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session));
EXPECT_EQ(session.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(1u, cache.size());
cache.Insert(MakeTestKey("key2"), bssl::UpRef(session));
EXPECT_EQ(session.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(session.get(), cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(2u, cache.size());
cache.Flush();
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(0u, cache.size());
}
// Tests that the session cache's size is correctly bounded.
TEST_F(SSLClientSessionCacheTest, MaxEntries) {
SSLClientSessionCache::Config config;
config.max_entries = 3;
SSLClientSessionCache cache(config);
bssl::UniquePtr<SSL_SESSION> session1 = NewSSLSession();
bssl::UniquePtr<SSL_SESSION> session2 = NewSSLSession();
bssl::UniquePtr<SSL_SESSION> session3 = NewSSLSession();
bssl::UniquePtr<SSL_SESSION> session4 = NewSSLSession();
// Insert three entries.
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session1));
cache.Insert(MakeTestKey("key2"), bssl::UpRef(session2));
cache.Insert(MakeTestKey("key3"), bssl::UpRef(session3));
EXPECT_EQ(session1.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(session2.get(), cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(session3.get(), cache.Lookup(MakeTestKey("key3")).get());
EXPECT_EQ(3u, cache.size());
// On insertion of a fourth, the first is removed.
cache.Insert(MakeTestKey("key4"), bssl::UpRef(session4));
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(session4.get(), cache.Lookup(MakeTestKey("key4")).get());
EXPECT_EQ(session3.get(), cache.Lookup(MakeTestKey("key3")).get());
EXPECT_EQ(session2.get(), cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(3u, cache.size());
// Despite being newest, the next to be removed is session4 as it was accessed
// least. recently.
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session1));
EXPECT_EQ(session1.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(session2.get(), cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(session3.get(), cache.Lookup(MakeTestKey("key3")).get());
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key4")).get());
EXPECT_EQ(3u, cache.size());
}
// Tests that session expiration works properly.
TEST_F(SSLClientSessionCacheTest, Expiration) {
const size_t kNumEntries = 20;
const size_t kExpirationCheckCount = 10;
const base::TimeDelta kTimeout = base::TimeDelta::FromSeconds(1000);
SSLClientSessionCache::Config config;
config.expiration_check_count = kExpirationCheckCount;
SSLClientSessionCache cache(config);
std::unique_ptr<base::SimpleTestClock> clock = MakeTestClock();
cache.SetClockForTesting(clock.get());
// Add |kNumEntries - 1| entries.
for (size_t i = 0; i < kNumEntries - 1; i++) {
bssl::UniquePtr<SSL_SESSION> session =
MakeTestSession(clock->Now(), kTimeout);
cache.Insert(MakeTestKey(base::NumberToString(i)), bssl::UpRef(session));
}
EXPECT_EQ(kNumEntries - 1, cache.size());
// Expire all the previous entries and insert one more entry.
clock->Advance(kTimeout * 2);
bssl::UniquePtr<SSL_SESSION> session =
MakeTestSession(clock->Now(), kTimeout);
cache.Insert(MakeTestKey("key"), bssl::UpRef(session));
// All entries are still in the cache.
EXPECT_EQ(kNumEntries, cache.size());
// Perform one fewer lookup than needed to trigger the expiration check. This
// shall not expire any session.
for (size_t i = 0; i < kExpirationCheckCount - 1; i++)
cache.Lookup(MakeTestKey("key"));
// All entries are still in the cache.
EXPECT_EQ(kNumEntries, cache.size());
// Perform one more lookup. This will expire all sessions but the last one.
cache.Lookup(MakeTestKey("key"));
EXPECT_EQ(1u, cache.size());
EXPECT_EQ(session.get(), cache.Lookup(MakeTestKey("key")).get());
for (size_t i = 0; i < kNumEntries - 1; i++) {
SCOPED_TRACE(i);
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey(base::NumberToString(i))));
}
}
// Tests that Lookup performs an expiration check before returning a cached
// session.
TEST_F(SSLClientSessionCacheTest, LookupExpirationCheck) {
// kExpirationCheckCount is set to a suitably large number so the automated
// pruning never triggers.
const size_t kExpirationCheckCount = 1000;
const base::TimeDelta kTimeout = base::TimeDelta::FromSeconds(1000);
SSLClientSessionCache::Config config;
config.expiration_check_count = kExpirationCheckCount;
SSLClientSessionCache cache(config);
std::unique_ptr<base::SimpleTestClock> clock = MakeTestClock();
cache.SetClockForTesting(clock.get());
// Insert an entry into the session cache.
bssl::UniquePtr<SSL_SESSION> session =
MakeTestSession(clock->Now(), kTimeout);
cache.Insert(MakeTestKey("key"), bssl::UpRef(session));
EXPECT_EQ(session.get(), cache.Lookup(MakeTestKey("key")).get());
EXPECT_EQ(1u, cache.size());
// Expire the session.
clock->Advance(kTimeout * 2);
// The entry has not been removed yet.
EXPECT_EQ(1u, cache.size());
// But it will not be returned on lookup and gets pruned at that point.
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key")).get());
EXPECT_EQ(0u, cache.size());
// Re-inserting a session does not refresh the lifetime. The expiration
// information in the session is used.
cache.Insert(MakeTestKey("key"), bssl::UpRef(session));
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key")).get());
EXPECT_EQ(0u, cache.size());
// Re-insert a fresh copy of the session.
session = MakeTestSession(clock->Now(), kTimeout);
cache.Insert(MakeTestKey("key"), bssl::UpRef(session));
EXPECT_EQ(session.get(), cache.Lookup(MakeTestKey("key")).get());
EXPECT_EQ(1u, cache.size());
// Sessions also are treated as expired if the clock rewinds.
clock->Advance(base::TimeDelta::FromSeconds(-2));
EXPECT_EQ(nullptr, cache.Lookup(MakeTestKey("key")).get());
EXPECT_EQ(0u, cache.size());
}
// Test that SSL cache is flushed on low memory notifications
TEST_F(SSLClientSessionCacheTest, TestFlushOnMemoryNotifications) {
base::test::TaskEnvironment task_environment;
// kExpirationCheckCount is set to a suitably large number so the automated
// pruning never triggers.
const size_t kExpirationCheckCount = 1000;
const base::TimeDelta kTimeout = base::TimeDelta::FromSeconds(1000);
SSLClientSessionCache::Config config;
config.expiration_check_count = kExpirationCheckCount;
SSLClientSessionCache cache(config);
std::unique_ptr<base::SimpleTestClock> clock = MakeTestClock();
cache.SetClockForTesting(clock.get());
// Insert an entry into the session cache.
bssl::UniquePtr<SSL_SESSION> session1 =
MakeTestSession(clock->Now(), kTimeout);
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session1));
EXPECT_EQ(session1.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(1u, cache.size());
// Expire the session.
clock->Advance(kTimeout * 2);
// Add one more session.
bssl::UniquePtr<SSL_SESSION> session2 =
MakeTestSession(clock->Now(), kTimeout);
cache.Insert(MakeTestKey("key2"), bssl::UpRef(session2));
EXPECT_EQ(2u, cache.size());
// Fire a notification that will flush expired sessions.
base::MemoryPressureListener::NotifyMemoryPressure(
base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_MODERATE);
base::RunLoop().RunUntilIdle();
// Expired session's cache should be flushed.
// Lookup returns nullptr, when cache entry not found.
EXPECT_FALSE(cache.Lookup(MakeTestKey("key1")));
EXPECT_TRUE(cache.Lookup(MakeTestKey("key2")));
EXPECT_EQ(1u, cache.size());
// Fire notification that will flush everything.
base::MemoryPressureListener::NotifyMemoryPressure(
base::MemoryPressureListener::MEMORY_PRESSURE_LEVEL_CRITICAL);
base::RunLoop().RunUntilIdle();
EXPECT_EQ(0u, cache.size());
}
TEST_F(SSLClientSessionCacheTest, FlushForServer) {
SSLClientSessionCache::Config config;
SSLClientSessionCache cache(config);
const url::Origin kOriginA = url::Origin::Create(GURL("https://a.test"));
const url::Origin kOriginB = url::Origin::Create(GURL("https://b.test"));
// Insert a number of cache entries.
SSLClientSessionCache::Key key1;
key1.server = HostPortPair("a.test", 443);
auto session1 = NewSSLSession();
cache.Insert(key1, bssl::UpRef(session1));
SSLClientSessionCache::Key key2;
key2.server = HostPortPair("a.test", 443);
key2.dest_ip_addr = IPAddress::IPv4Localhost();
key2.network_isolation_key = NetworkIsolationKey(kOriginB, kOriginB);
key2.privacy_mode = PRIVACY_MODE_ENABLED;
auto session2 = NewSSLSession();
cache.Insert(key2, bssl::UpRef(session2));
SSLClientSessionCache::Key key3;
key3.server = HostPortPair("a.test", 444);
auto session3 = NewSSLSession();
cache.Insert(key3, bssl::UpRef(session3));
SSLClientSessionCache::Key key4;
key4.server = HostPortPair("b.test", 443);
auto session4 = NewSSLSession();
cache.Insert(key4, bssl::UpRef(session4));
SSLClientSessionCache::Key key5;
key5.server = HostPortPair("b.test", 443);
key5.network_isolation_key = NetworkIsolationKey(kOriginA, kOriginA);
auto session5 = NewSSLSession();
cache.Insert(key5, bssl::UpRef(session5));
// Flush an unrelated server. The cache should be unaffected.
cache.FlushForServer(HostPortPair("c.test", 443));
EXPECT_EQ(5u, cache.size());
EXPECT_EQ(session1.get(), cache.Lookup(key1).get());
EXPECT_EQ(session2.get(), cache.Lookup(key2).get());
EXPECT_EQ(session3.get(), cache.Lookup(key3).get());
EXPECT_EQ(session4.get(), cache.Lookup(key4).get());
EXPECT_EQ(session5.get(), cache.Lookup(key5).get());
// Flush a.test:443. |key1| and |key2| should match, but not the others.
cache.FlushForServer(HostPortPair("a.test", 443));
EXPECT_EQ(3u, cache.size());
EXPECT_EQ(nullptr, cache.Lookup(key1).get());
EXPECT_EQ(nullptr, cache.Lookup(key2).get());
EXPECT_EQ(session3.get(), cache.Lookup(key3).get());
EXPECT_EQ(session4.get(), cache.Lookup(key4).get());
EXPECT_EQ(session5.get(), cache.Lookup(key5).get());
// Flush b.test:443. |key4| and |key5| match, but not |key3|.
cache.FlushForServer(HostPortPair("b.test", 443));
EXPECT_EQ(1u, cache.size());
EXPECT_EQ(nullptr, cache.Lookup(key1).get());
EXPECT_EQ(nullptr, cache.Lookup(key2).get());
EXPECT_EQ(session3.get(), cache.Lookup(key3).get());
EXPECT_EQ(nullptr, cache.Lookup(key4).get());
EXPECT_EQ(nullptr, cache.Lookup(key5).get());
// Flush the last host, a.test:444.
cache.FlushForServer(HostPortPair("a.test", 444));
EXPECT_EQ(0u, cache.size());
EXPECT_EQ(nullptr, cache.Lookup(key1).get());
EXPECT_EQ(nullptr, cache.Lookup(key2).get());
EXPECT_EQ(nullptr, cache.Lookup(key3).get());
EXPECT_EQ(nullptr, cache.Lookup(key4).get());
EXPECT_EQ(nullptr, cache.Lookup(key5).get());
}
class SSLClientSessionCacheMemoryDumpTest
: public SSLClientSessionCacheTest,
public testing::WithParamInterface<
base::trace_event::MemoryDumpLevelOfDetail> {};
INSTANTIATE_TEST_SUITE_P(
All,
SSLClientSessionCacheMemoryDumpTest,
::testing::Values(base::trace_event::MemoryDumpLevelOfDetail::DETAILED,
base::trace_event::MemoryDumpLevelOfDetail::BACKGROUND));
// Basic test for dumping memory stats.
TEST_P(SSLClientSessionCacheMemoryDumpTest, TestDumpMemoryStats) {
SSLClientSessionCache::Config config;
SSLClientSessionCache cache(config);
bssl::UniquePtr<SSL_SESSION> session1 = NewSSLSession();
bssl::UniquePtr<SSL_SESSION> session2 = NewSSLSession();
bssl::UniquePtr<SSL_SESSION> session3 = NewSSLSession();
// Insert three entries.
cache.Insert(MakeTestKey("key1"), bssl::UpRef(session1));
cache.Insert(MakeTestKey("key2"), bssl::UpRef(session2));
cache.Insert(MakeTestKey("key3"), bssl::UpRef(session3));
EXPECT_EQ(session1.get(), cache.Lookup(MakeTestKey("key1")).get());
EXPECT_EQ(session2.get(), cache.Lookup(MakeTestKey("key2")).get());
EXPECT_EQ(session3.get(), cache.Lookup(MakeTestKey("key3")).get());
EXPECT_EQ(3u, cache.size());
base::trace_event::MemoryDumpArgs dump_args = {GetParam()};
std::unique_ptr<base::trace_event::ProcessMemoryDump> process_memory_dump(
new base::trace_event::ProcessMemoryDump(dump_args));
const std::string parent_absolute_name =
"net/http_network_session_0xdeadbeef";
const std::string expected_dump_name =
parent_absolute_name + "/ssl_client_session_cache";
cache.DumpMemoryStats(process_memory_dump.get(), parent_absolute_name);
using Entry = base::trace_event::MemoryAllocatorDump::Entry;
const base::trace_event::MemoryAllocatorDump* dump =
process_memory_dump->GetAllocatorDump(expected_dump_name);
ASSERT_NE(nullptr, dump);
const std::vector<Entry>& entries = dump->entries();
EXPECT_THAT(entries, Contains(Field(&Entry::name, Eq("cert_count"))));
EXPECT_THAT(entries, Contains(Field(&Entry::name, Eq("cert_size"))));
EXPECT_THAT(entries,
Contains(Field(&Entry::name, Eq("undeduped_cert_size"))));
EXPECT_THAT(entries,
Contains(Field(&Entry::name, Eq("undeduped_cert_count"))));
EXPECT_THAT(
entries,
Contains(Field(&Entry::name,
Eq(base::trace_event::MemoryAllocatorDump::kNameSize))));
}
} // namespace net