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Unified Diff: net/dns/mdns_cache_unittest.cc

Issue 992733002: Remove //net (except for Android test stuff) and sdch (Closed) Base URL: git@github.com:domokit/mojo.git@master
Patch Set: Created 5 years, 9 months ago
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Index: net/dns/mdns_cache_unittest.cc
diff --git a/net/dns/mdns_cache_unittest.cc b/net/dns/mdns_cache_unittest.cc
deleted file mode 100644
index c12ad6b6ec3c830fbb88489aea4d8c41df3ea5f4..0000000000000000000000000000000000000000
--- a/net/dns/mdns_cache_unittest.cc
+++ /dev/null
@@ -1,375 +0,0 @@
-// Copyright (c) 2013 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 <algorithm>
-
-#include "base/bind.h"
-#include "net/dns/dns_response.h"
-#include "net/dns/dns_test_util.h"
-#include "net/dns/mdns_cache.h"
-#include "net/dns/record_parsed.h"
-#include "net/dns/record_rdata.h"
-#include "testing/gmock/include/gmock/gmock.h"
-#include "testing/gtest/include/gtest/gtest.h"
-
-using ::testing::Return;
-using ::testing::StrictMock;
-
-namespace net {
-
-static const uint8 kTestResponsesDifferentAnswers[] = {
- // Answer 1
- // ghs.l.google.com in DNS format.
- 3, 'g', 'h', 's',
- 1, 'l',
- 6, 'g', 'o', 'o', 'g', 'l', 'e',
- 3, 'c', 'o', 'm',
- 0x00,
- 0x00, 0x01, // TYPE is A.
- 0x00, 0x01, // CLASS is IN.
- 0, 0, 0, 53, // TTL (4 bytes) is 53 seconds.
- 0, 4, // RDLENGTH is 4 bytes.
- 74, 125, 95, 121, // RDATA is the IP: 74.125.95.121
-
- // Answer 2
- // Pointer to answer 1
- 0xc0, 0x00,
- 0x00, 0x01, // TYPE is A.
- 0x00, 0x01, // CLASS is IN.
- 0, 0, 0, 53, // TTL (4 bytes) is 53 seconds.
- 0, 4, // RDLENGTH is 4 bytes.
- 74, 125, 95, 122, // RDATA is the IP: 74.125.95.122
-};
-
-static const uint8 kTestResponsesSameAnswers[] = {
- // Answer 1
- // ghs.l.google.com in DNS format.
- 3, 'g', 'h', 's',
- 1, 'l',
- 6, 'g', 'o', 'o', 'g', 'l', 'e',
- 3, 'c', 'o', 'm',
- 0x00,
- 0x00, 0x01, // TYPE is A.
- 0x00, 0x01, // CLASS is IN.
- 0, 0, 0, 53, // TTL (4 bytes) is 53 seconds.
- 0, 4, // RDLENGTH is 4 bytes.
- 74, 125, 95, 121, // RDATA is the IP: 74.125.95.121
-
- // Answer 2
- // Pointer to answer 1
- 0xc0, 0x00,
- 0x00, 0x01, // TYPE is A.
- 0x00, 0x01, // CLASS is IN.
- 0, 0, 0, 112, // TTL (4 bytes) is 112 seconds.
- 0, 4, // RDLENGTH is 4 bytes.
- 74, 125, 95, 121, // RDATA is the IP: 74.125.95.121
-};
-
-static const uint8 kTestResponseTwoRecords[] = {
- // Answer 1
- // ghs.l.google.com in DNS format. (A)
- 3, 'g', 'h', 's',
- 1, 'l',
- 6, 'g', 'o', 'o', 'g', 'l', 'e',
- 3, 'c', 'o', 'm',
- 0x00,
- 0x00, 0x01, // TYPE is A.
- 0x00, 0x01, // CLASS is IN.
- 0, 0, 0, 53, // TTL (4 bytes) is 53 seconds.
- 0, 4, // RDLENGTH is 4 bytes.
- 74, 125, 95, 121, // RDATA is the IP: 74.125.95.121
-
- // Answer 2
- // ghs.l.google.com in DNS format. (AAAA)
- 3, 'g', 'h', 's',
- 1, 'l',
- 6, 'g', 'o', 'o', 'g', 'l', 'e',
- 3, 'c', 'o', 'm',
- 0x00,
- 0x00, 0x1c, // TYPE is AAA.
- 0x00, 0x01, // CLASS is IN.
- 0, 0, 0, 53, // TTL (4 bytes) is 53 seconds.
- 0, 16, // RDLENGTH is 16 bytes.
- 0x4a, 0x7d, 0x4a, 0x7d,
- 0x5f, 0x79, 0x5f, 0x79,
- 0x5f, 0x79, 0x5f, 0x79,
- 0x5f, 0x79, 0x5f, 0x79,
-};
-
-static const uint8 kTestResponsesGoodbyePacket[] = {
- // Answer 1
- // ghs.l.google.com in DNS format. (Goodbye packet)
- 3, 'g', 'h', 's',
- 1, 'l',
- 6, 'g', 'o', 'o', 'g', 'l', 'e',
- 3, 'c', 'o', 'm',
- 0x00,
- 0x00, 0x01, // TYPE is A.
- 0x00, 0x01, // CLASS is IN.
- 0, 0, 0, 0, // TTL (4 bytes) is zero.
- 0, 4, // RDLENGTH is 4 bytes.
- 74, 125, 95, 121, // RDATA is the IP: 74.125.95.121
-
- // Answer 2
- // ghs.l.google.com in DNS format.
- 3, 'g', 'h', 's',
- 1, 'l',
- 6, 'g', 'o', 'o', 'g', 'l', 'e',
- 3, 'c', 'o', 'm',
- 0x00,
- 0x00, 0x01, // TYPE is A.
- 0x00, 0x01, // CLASS is IN.
- 0, 0, 0, 53, // TTL (4 bytes) is 53 seconds.
- 0, 4, // RDLENGTH is 4 bytes.
- 74, 125, 95, 121, // RDATA is the IP: 74.125.95.121
-};
-
-class RecordRemovalMock {
- public:
- MOCK_METHOD1(OnRecordRemoved, void(const RecordParsed*));
-};
-
-class MDnsCacheTest : public ::testing::Test {
- public:
- MDnsCacheTest()
- : default_time_(base::Time::FromDoubleT(1234.0)) {}
- virtual ~MDnsCacheTest() {}
-
- protected:
- base::Time default_time_;
- StrictMock<RecordRemovalMock> record_removal_;
- MDnsCache cache_;
-};
-
-// Test a single insert, corresponding lookup, and unsuccessful lookup.
-TEST_F(MDnsCacheTest, InsertLookupSingle) {
- DnsRecordParser parser(kT1ResponseDatagram, sizeof(kT1ResponseDatagram),
- sizeof(dns_protocol::Header));
- parser.SkipQuestion();
-
- scoped_ptr<const RecordParsed> record1;
- scoped_ptr<const RecordParsed> record2;
- std::vector<const RecordParsed*> results;
-
- record1 = RecordParsed::CreateFrom(&parser, default_time_);
- record2 = RecordParsed::CreateFrom(&parser, default_time_);
-
- EXPECT_EQ(MDnsCache::RecordAdded, cache_.UpdateDnsRecord(record1.Pass()));
-
- EXPECT_EQ(MDnsCache::RecordAdded, cache_.UpdateDnsRecord(record2.Pass()));
-
- cache_.FindDnsRecords(ARecordRdata::kType, "ghs.l.google.com", &results,
- default_time_);
-
- EXPECT_EQ(1u, results.size());
- EXPECT_EQ(default_time_, results.front()->time_created());
-
- EXPECT_EQ("ghs.l.google.com", results.front()->name());
-
- results.clear();
- cache_.FindDnsRecords(PtrRecordRdata::kType, "ghs.l.google.com", &results,
- default_time_);
-
- EXPECT_EQ(0u, results.size());
-}
-
-// Test that records expire when their ttl has passed.
-TEST_F(MDnsCacheTest, Expiration) {
- DnsRecordParser parser(kT1ResponseDatagram, sizeof(kT1ResponseDatagram),
- sizeof(dns_protocol::Header));
- parser.SkipQuestion();
- scoped_ptr<const RecordParsed> record1;
- scoped_ptr<const RecordParsed> record2;
-
- std::vector<const RecordParsed*> results;
- const RecordParsed* record_to_be_deleted;
-
- record1 = RecordParsed::CreateFrom(&parser, default_time_);
- base::TimeDelta ttl1 = base::TimeDelta::FromSeconds(record1->ttl());
-
- record2 = RecordParsed::CreateFrom(&parser, default_time_);
- base::TimeDelta ttl2 = base::TimeDelta::FromSeconds(record2->ttl());
- record_to_be_deleted = record2.get();
-
- EXPECT_EQ(MDnsCache::RecordAdded, cache_.UpdateDnsRecord(record1.Pass()));
- EXPECT_EQ(MDnsCache::RecordAdded, cache_.UpdateDnsRecord(record2.Pass()));
-
- cache_.FindDnsRecords(ARecordRdata::kType, "ghs.l.google.com", &results,
- default_time_);
-
- EXPECT_EQ(1u, results.size());
-
- EXPECT_EQ(default_time_ + ttl2, cache_.next_expiration());
-
-
- cache_.FindDnsRecords(ARecordRdata::kType, "ghs.l.google.com", &results,
- default_time_ + ttl2);
-
- EXPECT_EQ(0u, results.size());
-
- EXPECT_CALL(record_removal_, OnRecordRemoved(record_to_be_deleted));
-
- cache_.CleanupRecords(default_time_ + ttl2, base::Bind(
- &RecordRemovalMock::OnRecordRemoved, base::Unretained(&record_removal_)));
-
- // To make sure that we've indeed removed them from the map, check no funny
- // business happens once they're deleted for good.
-
- EXPECT_EQ(default_time_ + ttl1, cache_.next_expiration());
- cache_.FindDnsRecords(ARecordRdata::kType, "ghs.l.google.com", &results,
- default_time_ + ttl2);
-
- EXPECT_EQ(0u, results.size());
-}
-
-// Test that a new record replacing one with the same identity (name/rrtype for
-// unique records) causes the cache to output a "record changed" event.
-TEST_F(MDnsCacheTest, RecordChange) {
- DnsRecordParser parser(kTestResponsesDifferentAnswers,
- sizeof(kTestResponsesDifferentAnswers),
- 0);
-
- scoped_ptr<const RecordParsed> record1;
- scoped_ptr<const RecordParsed> record2;
- std::vector<const RecordParsed*> results;
-
- record1 = RecordParsed::CreateFrom(&parser, default_time_);
- record2 = RecordParsed::CreateFrom(&parser, default_time_);
-
- EXPECT_EQ(MDnsCache::RecordAdded, cache_.UpdateDnsRecord(record1.Pass()));
- EXPECT_EQ(MDnsCache::RecordChanged,
- cache_.UpdateDnsRecord(record2.Pass()));
-}
-
-// Test that a new record replacing an otherwise identical one already in the
-// cache causes the cache to output a "no change" event.
-TEST_F(MDnsCacheTest, RecordNoChange) {
- DnsRecordParser parser(kTestResponsesSameAnswers,
- sizeof(kTestResponsesSameAnswers),
- 0);
-
- scoped_ptr<const RecordParsed> record1;
- scoped_ptr<const RecordParsed> record2;
- std::vector<const RecordParsed*> results;
-
- record1 = RecordParsed::CreateFrom(&parser, default_time_);
- record2 = RecordParsed::CreateFrom(&parser, default_time_ +
- base::TimeDelta::FromSeconds(1));
-
- EXPECT_EQ(MDnsCache::RecordAdded, cache_.UpdateDnsRecord(record1.Pass()));
- EXPECT_EQ(MDnsCache::NoChange, cache_.UpdateDnsRecord(record2.Pass()));
-}
-
-// Test that the next expiration time of the cache is updated properly on record
-// insertion.
-TEST_F(MDnsCacheTest, RecordPreemptExpirationTime) {
- DnsRecordParser parser(kTestResponsesSameAnswers,
- sizeof(kTestResponsesSameAnswers),
- 0);
-
- scoped_ptr<const RecordParsed> record1;
- scoped_ptr<const RecordParsed> record2;
- std::vector<const RecordParsed*> results;
-
- record1 = RecordParsed::CreateFrom(&parser, default_time_);
- record2 = RecordParsed::CreateFrom(&parser, default_time_);
- base::TimeDelta ttl1 = base::TimeDelta::FromSeconds(record1->ttl());
- base::TimeDelta ttl2 = base::TimeDelta::FromSeconds(record2->ttl());
-
- EXPECT_EQ(base::Time(), cache_.next_expiration());
- EXPECT_EQ(MDnsCache::RecordAdded, cache_.UpdateDnsRecord(record2.Pass()));
- EXPECT_EQ(default_time_ + ttl2, cache_.next_expiration());
- EXPECT_EQ(MDnsCache::NoChange, cache_.UpdateDnsRecord(record1.Pass()));
- EXPECT_EQ(default_time_ + ttl1, cache_.next_expiration());
-}
-
-// Test that the cache handles mDNS "goodbye" packets correctly, not adding the
-// records to the cache if they are not already there, and eventually removing
-// records from the cache if they are.
-TEST_F(MDnsCacheTest, GoodbyePacket) {
- DnsRecordParser parser(kTestResponsesGoodbyePacket,
- sizeof(kTestResponsesGoodbyePacket),
- 0);
-
- scoped_ptr<const RecordParsed> record_goodbye;
- scoped_ptr<const RecordParsed> record_hello;
- scoped_ptr<const RecordParsed> record_goodbye2;
- std::vector<const RecordParsed*> results;
-
- record_goodbye = RecordParsed::CreateFrom(&parser, default_time_);
- record_hello = RecordParsed::CreateFrom(&parser, default_time_);
- parser = DnsRecordParser(kTestResponsesGoodbyePacket,
- sizeof(kTestResponsesGoodbyePacket),
- 0);
- record_goodbye2 = RecordParsed::CreateFrom(&parser, default_time_);
-
- base::TimeDelta ttl = base::TimeDelta::FromSeconds(record_hello->ttl());
-
- EXPECT_EQ(base::Time(), cache_.next_expiration());
- EXPECT_EQ(MDnsCache::NoChange, cache_.UpdateDnsRecord(record_goodbye.Pass()));
- EXPECT_EQ(base::Time(), cache_.next_expiration());
- EXPECT_EQ(MDnsCache::RecordAdded,
- cache_.UpdateDnsRecord(record_hello.Pass()));
- EXPECT_EQ(default_time_ + ttl, cache_.next_expiration());
- EXPECT_EQ(MDnsCache::NoChange,
- cache_.UpdateDnsRecord(record_goodbye2.Pass()));
- EXPECT_EQ(default_time_ + base::TimeDelta::FromSeconds(1),
- cache_.next_expiration());
-}
-
-TEST_F(MDnsCacheTest, AnyRRType) {
- DnsRecordParser parser(kTestResponseTwoRecords,
- sizeof(kTestResponseTwoRecords),
- 0);
-
- scoped_ptr<const RecordParsed> record1;
- scoped_ptr<const RecordParsed> record2;
- std::vector<const RecordParsed*> results;
-
- record1 = RecordParsed::CreateFrom(&parser, default_time_);
- record2 = RecordParsed::CreateFrom(&parser, default_time_);
- EXPECT_EQ(MDnsCache::RecordAdded, cache_.UpdateDnsRecord(record1.Pass()));
- EXPECT_EQ(MDnsCache::RecordAdded, cache_.UpdateDnsRecord(record2.Pass()));
-
- cache_.FindDnsRecords(0, "ghs.l.google.com", &results, default_time_);
-
- EXPECT_EQ(2u, results.size());
- EXPECT_EQ(default_time_, results.front()->time_created());
-
- EXPECT_EQ("ghs.l.google.com", results[0]->name());
- EXPECT_EQ("ghs.l.google.com", results[1]->name());
- EXPECT_EQ(dns_protocol::kTypeA,
- std::min(results[0]->type(), results[1]->type()));
- EXPECT_EQ(dns_protocol::kTypeAAAA,
- std::max(results[0]->type(), results[1]->type()));
-}
-
-TEST_F(MDnsCacheTest, RemoveRecord) {
- DnsRecordParser parser(kT1ResponseDatagram, sizeof(kT1ResponseDatagram),
- sizeof(dns_protocol::Header));
- parser.SkipQuestion();
-
- scoped_ptr<const RecordParsed> record1;
- std::vector<const RecordParsed*> results;
-
- record1 = RecordParsed::CreateFrom(&parser, default_time_);
- EXPECT_EQ(MDnsCache::RecordAdded, cache_.UpdateDnsRecord(record1.Pass()));
-
- cache_.FindDnsRecords(dns_protocol::kTypeCNAME, "codereview.chromium.org",
- &results, default_time_);
-
- EXPECT_EQ(1u, results.size());
-
- scoped_ptr<const RecordParsed> record_out =
- cache_.RemoveRecord(results.front());
-
- EXPECT_EQ(record_out.get(), results.front());
-
- cache_.FindDnsRecords(dns_protocol::kTypeCNAME, "codereview.chromium.org",
- &results, default_time_);
-
- EXPECT_EQ(0u, results.size());
-}
-
-} // namespace net
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