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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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