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| 1 // Copyright 2016 The Chromium Authors. All rights reserved. | |
| 2 // Use of this source code is governed by a BSD-style license that can be | |
| 3 // found in the LICENSE file. | |
| 4 | |
| 5 #include "net/quic/crypto/quic_compressed_certs_cache.h" | |
| 6 | |
| 7 #include "base/logging.h" | |
| 8 #include "base/macros.h" | |
| 9 #include "base/strings/string_number_conversions.h" | |
| 10 #include "net/quic/crypto/cert_compressor.h" | |
| 11 #include "net/quic/test_tools/crypto_test_utils.h" | |
| 12 #include "testing/gtest/include/gtest/gtest.h" | |
| 13 | |
| 14 using std::string; | |
| 15 using std::vector; | |
| 16 | |
| 17 namespace net { | |
| 18 | |
| 19 namespace test { | |
| 20 | |
| 21 namespace { | |
| 22 | |
| 23 class QuicCompressedCertsCacheTest : public testing::Test { | |
| 24 public: | |
| 25 QuicCompressedCertsCacheTest() | |
| 26 : certs_cache_(QuicCompressedCertsCache::kQuicCompressedCertsCacheSize) {} | |
| 27 | |
| 28 protected: | |
| 29 QuicCompressedCertsCache certs_cache_; | |
| 30 }; | |
| 31 | |
| 32 TEST_F(QuicCompressedCertsCacheTest, CacheHit) { | |
| 33 vector<string> certs = {"leaf cert", "intermediate cert", "root cert"}; | |
| 34 scoped_refptr<ProofSource::Chain> chain(new ProofSource::Chain(certs)); | |
| 35 string common_certs = "common certs"; | |
| 36 string cached_certs = "cached certs"; | |
| 37 string compressed = "compressed cert"; | |
| 38 | |
| 39 certs_cache_.Insert(chain, common_certs, cached_certs, compressed); | |
| 40 | |
| 41 const string* cached_value = | |
| 42 certs_cache_.GetCompressedCert(chain, common_certs, cached_certs); | |
| 43 ASSERT_NE(nullptr, cached_value); | |
| 44 EXPECT_EQ(*cached_value, compressed); | |
| 45 } | |
| 46 | |
| 47 TEST_F(QuicCompressedCertsCacheTest, CacheMiss) { | |
| 48 vector<string> certs = {"leaf cert", "intermediate cert", "root cert"}; | |
| 49 scoped_refptr<ProofSource::Chain> chain(new ProofSource::Chain(certs)); | |
| 50 string common_certs = "common certs"; | |
| 51 string cached_certs = "cached certs"; | |
| 52 string compressed = "compressed cert"; | |
| 53 | |
| 54 certs_cache_.Insert(chain, common_certs, cached_certs, compressed); | |
| 55 | |
| 56 EXPECT_EQ(nullptr, certs_cache_.GetCompressedCert( | |
| 57 chain, "mismatched common certs", cached_certs)); | |
| 58 EXPECT_EQ(nullptr, certs_cache_.GetCompressedCert(chain, common_certs, | |
| 59 "mismatched cached certs")); | |
| 60 scoped_refptr<ProofSource::Chain> chain2(new ProofSource::Chain(certs)); | |
| 61 EXPECT_EQ(nullptr, | |
| 62 certs_cache_.GetCompressedCert(chain2, common_certs, cached_certs)); | |
| 63 } | |
| 64 | |
| 65 TEST_F(QuicCompressedCertsCacheTest, CacheMissDueToEviction) { | |
| 66 // Test cache returns a miss when a queried uncompressed certs was cached but | |
| 67 // then evicted. | |
| 68 vector<string> certs = {"leaf cert", "intermediate cert", "root cert"}; | |
| 69 scoped_refptr<ProofSource::Chain> chain(new ProofSource::Chain(certs)); | |
| 70 | |
| 71 string common_certs = "common certs"; | |
| 72 string cached_certs = "cached certs"; | |
| 73 string compressed = "compressed cert"; | |
| 74 certs_cache_.Insert(chain, common_certs, cached_certs, compressed); | |
| 75 | |
| 76 // Insert another kQuicCompressedCertsCacheSize certs to evict the first | |
| 77 // cached cert. | |
| 78 for (unsigned int i = 0; | |
| 79 i < QuicCompressedCertsCache::kQuicCompressedCertsCacheSize; i++) { | |
| 80 EXPECT_EQ(certs_cache_.Size(), i + 1); | |
| 81 certs_cache_.Insert(chain, base::IntToString(i), "", base::IntToString(i)); | |
| 82 } | |
| 83 EXPECT_EQ(certs_cache_.MaxSize(), certs_cache_.Size()); | |
| 84 | |
| 85 EXPECT_EQ(nullptr, | |
| 86 certs_cache_.GetCompressedCert(chain, common_certs, cached_certs)); | |
| 87 } | |
| 88 | |
| 89 } // namespace | |
| 90 } // namespace test | |
| 91 } // namespace net | |
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