Re-subimission of https://codereview.chromium.org/1041213003/
[chromium-blink-merge.git] / content / browser / net / sqlite_persistent_cookie_store_unittest.cc
blob41d20a8c3a9c9b1491e6bcccb3d2bc0bf9a30c21
1 // Copyright (c) 2012 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.
5 #include "content/browser/net/sqlite_persistent_cookie_store.h"
7 #include <map>
8 #include <set>
10 #include "base/bind.h"
11 #include "base/callback.h"
12 #include "base/files/file_util.h"
13 #include "base/files/scoped_temp_dir.h"
14 #include "base/memory/ref_counted.h"
15 #include "base/message_loop/message_loop.h"
16 #include "base/sequenced_task_runner.h"
17 #include "base/stl_util.h"
18 #include "base/synchronization/waitable_event.h"
19 #include "base/test/sequenced_worker_pool_owner.h"
20 #include "base/threading/sequenced_worker_pool.h"
21 #include "base/time/time.h"
22 #include "content/public/browser/cookie_store_factory.h"
23 #include "crypto/encryptor.h"
24 #include "crypto/symmetric_key.h"
25 #include "net/cookies/canonical_cookie.h"
26 #include "net/cookies/cookie_constants.h"
27 #include "net/extras/sqlite/cookie_crypto_delegate.h"
28 #include "sql/connection.h"
29 #include "sql/meta_table.h"
30 #include "sql/statement.h"
31 #include "testing/gtest/include/gtest/gtest.h"
32 #include "url/gurl.h"
34 namespace content {
36 namespace {
38 const base::FilePath::CharType kCookieFilename[] = FILE_PATH_LITERAL("Cookies");
40 class CookieCryptor : public net::CookieCryptoDelegate {
41 public:
42 CookieCryptor();
43 bool EncryptString(const std::string& plaintext,
44 std::string* ciphertext) override;
45 bool DecryptString(const std::string& ciphertext,
46 std::string* plaintext) override;
48 private:
49 scoped_ptr<crypto::SymmetricKey> key_;
50 crypto::Encryptor encryptor_;
53 CookieCryptor::CookieCryptor() : key_(
54 crypto::SymmetricKey::DeriveKeyFromPassword(
55 crypto::SymmetricKey::AES, "password", "saltiest", 1000, 256)) {
56 std::string iv("the iv: 16 bytes");
57 encryptor_.Init(key_.get(), crypto::Encryptor::CBC, iv);
60 bool CookieCryptor::EncryptString(const std::string& plaintext,
61 std::string* ciphertext) {
62 return encryptor_.Encrypt(plaintext, ciphertext);
65 bool CookieCryptor::DecryptString(const std::string& ciphertext,
66 std::string* plaintext) {
67 return encryptor_.Decrypt(ciphertext, plaintext);
70 } // namespace
72 typedef std::vector<net::CanonicalCookie*> CanonicalCookieVector;
74 class SQLitePersistentCookieStoreTest : public testing::Test {
75 public:
76 SQLitePersistentCookieStoreTest()
77 : pool_owner_(new base::SequencedWorkerPoolOwner(3, "Background Pool")),
78 loaded_event_(false, false),
79 key_loaded_event_(false, false),
80 db_thread_event_(false, false) {
83 void OnLoaded(const CanonicalCookieVector& cookies) {
84 cookies_ = cookies;
85 loaded_event_.Signal();
88 void OnKeyLoaded(const CanonicalCookieVector& cookies) {
89 cookies_ = cookies;
90 key_loaded_event_.Signal();
93 void Load(CanonicalCookieVector* cookies) {
94 EXPECT_FALSE(loaded_event_.IsSignaled());
95 store_->Load(base::Bind(&SQLitePersistentCookieStoreTest::OnLoaded,
96 base::Unretained(this)));
97 loaded_event_.Wait();
98 *cookies = cookies_;
101 void Flush() {
102 base::WaitableEvent event(false, false);
103 store_->Flush(base::Bind(&base::WaitableEvent::Signal,
104 base::Unretained(&event)));
105 event.Wait();
108 scoped_refptr<base::SequencedTaskRunner> background_task_runner() {
109 return pool_owner_->pool()->GetSequencedTaskRunner(
110 pool_owner_->pool()->GetNamedSequenceToken("background"));
113 scoped_refptr<base::SequencedTaskRunner> client_task_runner() {
114 return pool_owner_->pool()->GetSequencedTaskRunner(
115 pool_owner_->pool()->GetNamedSequenceToken("client"));
118 void DestroyStore() {
119 store_ = NULL;
120 // Make sure we wait until the destructor has run by shutting down the pool
121 // resetting the owner (whose destructor blocks on the pool completion).
122 pool_owner_->pool()->Shutdown();
123 // Create a new pool for the few tests that create multiple stores. In other
124 // cases this is wasted but harmless.
125 pool_owner_.reset(new base::SequencedWorkerPoolOwner(3, "Background Pool"));
128 void CreateAndLoad(bool crypt_cookies,
129 bool restore_old_session_cookies,
130 CanonicalCookieVector* cookies) {
131 if (crypt_cookies)
132 cookie_crypto_delegate_.reset(new CookieCryptor());
134 store_ = new SQLitePersistentCookieStore(
135 temp_dir_.path().Append(kCookieFilename),
136 client_task_runner(),
137 background_task_runner(),
138 restore_old_session_cookies,
139 NULL,
140 cookie_crypto_delegate_.get());
141 Load(cookies);
144 void InitializeStore(bool crypt, bool restore_old_session_cookies) {
145 CanonicalCookieVector cookies;
146 CreateAndLoad(crypt, restore_old_session_cookies, &cookies);
147 EXPECT_EQ(0U, cookies.size());
150 // We have to create this method to wrap WaitableEvent::Wait, since we cannot
151 // bind a non-void returning method as a Closure.
152 void WaitOnDBEvent() {
153 db_thread_event_.Wait();
156 // Adds a persistent cookie to store_.
157 void AddCookie(const std::string& name,
158 const std::string& value,
159 const std::string& domain,
160 const std::string& path,
161 const base::Time& creation) {
162 store_->AddCookie(net::CanonicalCookie(
163 GURL(), name, value, domain, path, creation, creation, creation, false,
164 false, false, net::COOKIE_PRIORITY_DEFAULT));
167 std::string ReadRawDBContents() {
168 std::string contents;
169 if (!base::ReadFileToString(temp_dir_.path().Append(kCookieFilename),
170 &contents))
171 return std::string();
172 return contents;
175 void SetUp() override { ASSERT_TRUE(temp_dir_.CreateUniqueTempDir()); }
177 void TearDown() override {
178 DestroyStore();
179 pool_owner_->pool()->Shutdown();
182 protected:
183 base::MessageLoop main_loop_;
184 scoped_ptr<base::SequencedWorkerPoolOwner> pool_owner_;
185 base::WaitableEvent loaded_event_;
186 base::WaitableEvent key_loaded_event_;
187 base::WaitableEvent db_thread_event_;
188 CanonicalCookieVector cookies_;
189 base::ScopedTempDir temp_dir_;
190 scoped_refptr<SQLitePersistentCookieStore> store_;
191 scoped_ptr<net::CookieCryptoDelegate> cookie_crypto_delegate_;
194 TEST_F(SQLitePersistentCookieStoreTest, TestInvalidMetaTableRecovery) {
195 InitializeStore(false, false);
196 AddCookie("A", "B", "foo.bar", "/", base::Time::Now());
197 DestroyStore();
199 // Load up the store and verify that it has good data in it.
200 CanonicalCookieVector cookies;
201 CreateAndLoad(false, false, &cookies);
202 ASSERT_EQ(1U, cookies.size());
203 ASSERT_STREQ("foo.bar", cookies[0]->Domain().c_str());
204 ASSERT_STREQ("A", cookies[0]->Name().c_str());
205 ASSERT_STREQ("B", cookies[0]->Value().c_str());
206 DestroyStore();
207 STLDeleteElements(&cookies);
209 // Now corrupt the meta table.
211 sql::Connection db;
212 ASSERT_TRUE(db.Open(temp_dir_.path().Append(kCookieFilename)));
213 sql::MetaTable meta_table_;
214 meta_table_.Init(&db, 1, 1);
215 ASSERT_TRUE(db.Execute("DELETE FROM meta"));
216 db.Close();
219 // Upon loading, the database should be reset to a good, blank state.
220 CreateAndLoad(false, false, &cookies);
221 ASSERT_EQ(0U, cookies.size());
223 // Verify that, after, recovery, the database persists properly.
224 AddCookie("X", "Y", "foo.bar", "/", base::Time::Now());
225 DestroyStore();
226 CreateAndLoad(false, false, &cookies);
227 ASSERT_EQ(1U, cookies.size());
228 ASSERT_STREQ("foo.bar", cookies[0]->Domain().c_str());
229 ASSERT_STREQ("X", cookies[0]->Name().c_str());
230 ASSERT_STREQ("Y", cookies[0]->Value().c_str());
231 STLDeleteElements(&cookies);
234 // Test if data is stored as expected in the SQLite database.
235 TEST_F(SQLitePersistentCookieStoreTest, TestPersistance) {
236 InitializeStore(false, false);
237 AddCookie("A", "B", "foo.bar", "/", base::Time::Now());
238 // Replace the store effectively destroying the current one and forcing it
239 // to write its data to disk. Then we can see if after loading it again it
240 // is still there.
241 DestroyStore();
242 // Reload and test for persistence
243 CanonicalCookieVector cookies;
244 CreateAndLoad(false, false, &cookies);
245 ASSERT_EQ(1U, cookies.size());
246 ASSERT_STREQ("foo.bar", cookies[0]->Domain().c_str());
247 ASSERT_STREQ("A", cookies[0]->Name().c_str());
248 ASSERT_STREQ("B", cookies[0]->Value().c_str());
250 // Now delete the cookie and check persistence again.
251 store_->DeleteCookie(*cookies[0]);
252 DestroyStore();
253 STLDeleteElements(&cookies);
255 // Reload and check if the cookie has been removed.
256 CreateAndLoad(false, false, &cookies);
257 ASSERT_EQ(0U, cookies.size());
260 // Test that priority load of cookies for a specfic domain key could be
261 // completed before the entire store is loaded
262 TEST_F(SQLitePersistentCookieStoreTest, TestLoadCookiesForKey) {
263 InitializeStore(false, false);
264 base::Time t = base::Time::Now();
265 AddCookie("A", "B", "foo.bar", "/", t);
266 t += base::TimeDelta::FromInternalValue(10);
267 AddCookie("A", "B", "www.aaa.com", "/", t);
268 t += base::TimeDelta::FromInternalValue(10);
269 AddCookie("A", "B", "travel.aaa.com", "/", t);
270 t += base::TimeDelta::FromInternalValue(10);
271 AddCookie("A", "B", "www.bbb.com", "/", t);
272 DestroyStore();
274 store_ = new SQLitePersistentCookieStore(
275 temp_dir_.path().Append(kCookieFilename),
276 client_task_runner(),
277 background_task_runner(),
278 false, NULL, NULL);
280 // Posting a blocking task to db_thread_ makes sure that the DB thread waits
281 // until both Load and LoadCookiesForKey have been posted to its task queue.
282 background_task_runner()->PostTask(
283 FROM_HERE,
284 base::Bind(&SQLitePersistentCookieStoreTest::WaitOnDBEvent,
285 base::Unretained(this)));
286 store_->Load(base::Bind(&SQLitePersistentCookieStoreTest::OnLoaded,
287 base::Unretained(this)));
288 store_->LoadCookiesForKey("aaa.com",
289 base::Bind(&SQLitePersistentCookieStoreTest::OnKeyLoaded,
290 base::Unretained(this)));
291 background_task_runner()->PostTask(
292 FROM_HERE,
293 base::Bind(&SQLitePersistentCookieStoreTest::WaitOnDBEvent,
294 base::Unretained(this)));
296 // Now the DB-thread queue contains:
297 // (active:)
298 // 1. Wait (on db_event)
299 // (pending:)
300 // 2. "Init And Chain-Load First Domain"
301 // 3. Priority Load (aaa.com)
302 // 4. Wait (on db_event)
303 db_thread_event_.Signal();
304 key_loaded_event_.Wait();
305 ASSERT_EQ(loaded_event_.IsSignaled(), false);
306 std::set<std::string> cookies_loaded;
307 for (CanonicalCookieVector::const_iterator it = cookies_.begin();
308 it != cookies_.end();
309 ++it) {
310 cookies_loaded.insert((*it)->Domain().c_str());
312 STLDeleteElements(&cookies_);
313 ASSERT_GT(4U, cookies_loaded.size());
314 ASSERT_EQ(true, cookies_loaded.find("www.aaa.com") != cookies_loaded.end());
315 ASSERT_EQ(true,
316 cookies_loaded.find("travel.aaa.com") != cookies_loaded.end());
318 db_thread_event_.Signal();
319 loaded_event_.Wait();
320 for (CanonicalCookieVector::const_iterator it = cookies_.begin();
321 it != cookies_.end();
322 ++it) {
323 cookies_loaded.insert((*it)->Domain().c_str());
325 ASSERT_EQ(4U, cookies_loaded.size());
326 ASSERT_EQ(cookies_loaded.find("foo.bar") != cookies_loaded.end(),
327 true);
328 ASSERT_EQ(cookies_loaded.find("www.bbb.com") != cookies_loaded.end(), true);
329 STLDeleteElements(&cookies_);
332 // Test that we can force the database to be written by calling Flush().
333 TEST_F(SQLitePersistentCookieStoreTest, TestFlush) {
334 InitializeStore(false, false);
335 // File timestamps don't work well on all platforms, so we'll determine
336 // whether the DB file has been modified by checking its size.
337 base::FilePath path = temp_dir_.path().Append(kCookieFilename);
338 base::File::Info info;
339 ASSERT_TRUE(base::GetFileInfo(path, &info));
340 int64 base_size = info.size;
342 // Write some large cookies, so the DB will have to expand by several KB.
343 for (char c = 'a'; c < 'z'; ++c) {
344 // Each cookie needs a unique timestamp for creation_utc (see DB schema).
345 base::Time t = base::Time::Now() + base::TimeDelta::FromMicroseconds(c);
346 std::string name(1, c);
347 std::string value(1000, c);
348 AddCookie(name, value, "foo.bar", "/", t);
351 Flush();
353 // We forced a write, so now the file will be bigger.
354 ASSERT_TRUE(base::GetFileInfo(path, &info));
355 ASSERT_GT(info.size, base_size);
358 // Test loading old session cookies from the disk.
359 TEST_F(SQLitePersistentCookieStoreTest, TestLoadOldSessionCookies) {
360 InitializeStore(false, true);
362 // Add a session cookie.
363 store_->AddCookie(net::CanonicalCookie(GURL(), "C", "D", "sessioncookie.com",
364 "/", base::Time::Now(), base::Time(),
365 base::Time::Now(), false, false, false,
366 net::COOKIE_PRIORITY_DEFAULT));
368 // Force the store to write its data to the disk.
369 DestroyStore();
371 // Create a store that loads session cookies and test that the session cookie
372 // was loaded.
373 CanonicalCookieVector cookies;
374 CreateAndLoad(false, true, &cookies);
376 ASSERT_EQ(1U, cookies.size());
377 ASSERT_STREQ("sessioncookie.com", cookies[0]->Domain().c_str());
378 ASSERT_STREQ("C", cookies[0]->Name().c_str());
379 ASSERT_STREQ("D", cookies[0]->Value().c_str());
380 ASSERT_EQ(net::COOKIE_PRIORITY_DEFAULT, cookies[0]->Priority());
382 STLDeleteElements(&cookies);
385 // Test loading old session cookies from the disk.
386 TEST_F(SQLitePersistentCookieStoreTest, TestDontLoadOldSessionCookies) {
387 InitializeStore(false, true);
389 // Add a session cookie.
390 store_->AddCookie(net::CanonicalCookie(GURL(), "C", "D", "sessioncookie.com",
391 "/", base::Time::Now(), base::Time(),
392 base::Time::Now(), false, false, false,
393 net::COOKIE_PRIORITY_DEFAULT));
395 // Force the store to write its data to the disk.
396 DestroyStore();
398 // Create a store that doesn't load old session cookies and test that the
399 // session cookie was not loaded.
400 CanonicalCookieVector cookies;
401 CreateAndLoad(false, false, &cookies);
402 ASSERT_EQ(0U, cookies.size());
404 // The store should also delete the session cookie. Wait until that has been
405 // done.
406 DestroyStore();
408 // Create a store that loads old session cookies and test that the session
409 // cookie is gone.
410 CreateAndLoad(false, true, &cookies);
411 ASSERT_EQ(0U, cookies.size());
414 TEST_F(SQLitePersistentCookieStoreTest, PersistIsPersistent) {
415 InitializeStore(false, true);
416 static const char kSessionName[] = "session";
417 static const char kPersistentName[] = "persistent";
419 // Add a session cookie.
420 store_->AddCookie(net::CanonicalCookie(
421 GURL(), kSessionName, "val", "sessioncookie.com", "/", base::Time::Now(),
422 base::Time(), base::Time::Now(), false, false, false,
423 net::COOKIE_PRIORITY_DEFAULT));
424 // Add a persistent cookie.
425 store_->AddCookie(net::CanonicalCookie(
426 GURL(), kPersistentName, "val", "sessioncookie.com", "/",
427 base::Time::Now() - base::TimeDelta::FromDays(1),
428 base::Time::Now() + base::TimeDelta::FromDays(1), base::Time::Now(),
429 false, false, false, net::COOKIE_PRIORITY_DEFAULT));
431 // Force the store to write its data to the disk.
432 DestroyStore();
434 // Create a store that loads session cookie and test that the IsPersistent
435 // attribute is restored.
436 CanonicalCookieVector cookies;
437 CreateAndLoad(false, true, &cookies);
438 ASSERT_EQ(2U, cookies.size());
440 std::map<std::string, net::CanonicalCookie*> cookie_map;
441 for (CanonicalCookieVector::const_iterator it = cookies.begin();
442 it != cookies.end();
443 ++it) {
444 cookie_map[(*it)->Name()] = *it;
447 std::map<std::string, net::CanonicalCookie*>::const_iterator it =
448 cookie_map.find(kSessionName);
449 ASSERT_TRUE(it != cookie_map.end());
450 EXPECT_FALSE(cookie_map[kSessionName]->IsPersistent());
452 it = cookie_map.find(kPersistentName);
453 ASSERT_TRUE(it != cookie_map.end());
454 EXPECT_TRUE(cookie_map[kPersistentName]->IsPersistent());
456 STLDeleteElements(&cookies);
459 TEST_F(SQLitePersistentCookieStoreTest, PriorityIsPersistent) {
460 static const char kLowName[] = "low";
461 static const char kMediumName[] = "medium";
462 static const char kHighName[] = "high";
463 static const char kCookieDomain[] = "sessioncookie.com";
464 static const char kCookieValue[] = "value";
465 static const char kCookiePath[] = "/";
467 InitializeStore(false, true);
469 // Add a low-priority persistent cookie.
470 store_->AddCookie(net::CanonicalCookie(
471 GURL(), kLowName, kCookieValue, kCookieDomain, kCookiePath,
472 base::Time::Now() - base::TimeDelta::FromMinutes(1),
473 base::Time::Now() + base::TimeDelta::FromDays(1), base::Time::Now(),
474 false, false, false, net::COOKIE_PRIORITY_LOW));
476 // Add a medium-priority persistent cookie.
477 store_->AddCookie(net::CanonicalCookie(
478 GURL(), kMediumName, kCookieValue, kCookieDomain, kCookiePath,
479 base::Time::Now() - base::TimeDelta::FromMinutes(2),
480 base::Time::Now() + base::TimeDelta::FromDays(1), base::Time::Now(),
481 false, false, false, net::COOKIE_PRIORITY_MEDIUM));
483 // Add a high-priority peristent cookie.
484 store_->AddCookie(net::CanonicalCookie(
485 GURL(), kHighName, kCookieValue, kCookieDomain, kCookiePath,
486 base::Time::Now() - base::TimeDelta::FromMinutes(3),
487 base::Time::Now() + base::TimeDelta::FromDays(1), base::Time::Now(),
488 false, false, false, net::COOKIE_PRIORITY_HIGH));
490 // Force the store to write its data to the disk.
491 DestroyStore();
493 // Create a store that loads session cookie and test that the priority
494 // attribute values are restored.
495 CanonicalCookieVector cookies;
496 CreateAndLoad(false, true, &cookies);
497 ASSERT_EQ(3U, cookies.size());
499 // Put the cookies into a map, by name, so we can easily find them.
500 std::map<std::string, net::CanonicalCookie*> cookie_map;
501 for (CanonicalCookieVector::const_iterator it = cookies.begin();
502 it != cookies.end();
503 ++it) {
504 cookie_map[(*it)->Name()] = *it;
507 // Validate that each cookie has the correct priority.
508 std::map<std::string, net::CanonicalCookie*>::const_iterator it =
509 cookie_map.find(kLowName);
510 ASSERT_TRUE(it != cookie_map.end());
511 EXPECT_EQ(net::COOKIE_PRIORITY_LOW, cookie_map[kLowName]->Priority());
513 it = cookie_map.find(kMediumName);
514 ASSERT_TRUE(it != cookie_map.end());
515 EXPECT_EQ(net::COOKIE_PRIORITY_MEDIUM, cookie_map[kMediumName]->Priority());
517 it = cookie_map.find(kHighName);
518 ASSERT_TRUE(it != cookie_map.end());
519 EXPECT_EQ(net::COOKIE_PRIORITY_HIGH, cookie_map[kHighName]->Priority());
521 STLDeleteElements(&cookies);
524 TEST_F(SQLitePersistentCookieStoreTest, UpdateToEncryption) {
525 CanonicalCookieVector cookies;
527 // Create unencrypted cookie store and write something to it.
528 InitializeStore(false, false);
529 AddCookie("name", "value123XYZ", "foo.bar", "/", base::Time::Now());
530 DestroyStore();
532 // Verify that "value" is visible in the file. This is necessary in order to
533 // have confidence in a later test that "encrypted_value" is not visible.
534 std::string contents = ReadRawDBContents();
535 EXPECT_NE(0U, contents.length());
536 EXPECT_NE(contents.find("value123XYZ"), std::string::npos);
538 // Create encrypted cookie store and ensure old cookie still reads.
539 STLDeleteElements(&cookies_);
540 EXPECT_EQ(0U, cookies_.size());
541 CreateAndLoad(true, false, &cookies);
542 EXPECT_EQ(1U, cookies_.size());
543 EXPECT_EQ("name", cookies_[0]->Name());
544 EXPECT_EQ("value123XYZ", cookies_[0]->Value());
546 // Make sure we can update existing cookie and add new cookie as encrypted.
547 store_->DeleteCookie(*(cookies_[0]));
548 AddCookie("name", "encrypted_value123XYZ", "foo.bar", "/", base::Time::Now());
549 AddCookie("other", "something456ABC", "foo.bar", "/",
550 base::Time::Now() + base::TimeDelta::FromInternalValue(10));
551 DestroyStore();
552 STLDeleteElements(&cookies_);
553 CreateAndLoad(true, false, &cookies);
554 EXPECT_EQ(2U, cookies_.size());
555 net::CanonicalCookie* cookie_name = NULL;
556 net::CanonicalCookie* cookie_other = NULL;
557 if (cookies_[0]->Name() == "name") {
558 cookie_name = cookies_[0];
559 cookie_other = cookies_[1];
560 } else {
561 cookie_name = cookies_[1];
562 cookie_other = cookies_[0];
564 EXPECT_EQ("encrypted_value123XYZ", cookie_name->Value());
565 EXPECT_EQ("something456ABC", cookie_other->Value());
566 DestroyStore();
567 STLDeleteElements(&cookies_);
569 // Examine the real record to make sure plaintext version doesn't exist.
570 sql::Connection db;
571 sql::Statement smt;
572 int resultcount = 0;
573 ASSERT_TRUE(db.Open(temp_dir_.path().Append(kCookieFilename)));
574 smt.Assign(db.GetCachedStatement(SQL_FROM_HERE,
575 "SELECT * "
576 "FROM cookies "
577 "WHERE host_key = 'foo.bar'"));
578 while (smt.Step()) {
579 resultcount++;
580 for (int i=0; i < smt.ColumnCount(); i++) {
581 EXPECT_EQ(smt.ColumnString(i).find("value"), std::string::npos);
582 EXPECT_EQ(smt.ColumnString(i).find("something"), std::string::npos);
585 EXPECT_EQ(2, resultcount);
587 // Verify that "encrypted_value" is NOT visible in the file.
588 contents = ReadRawDBContents();
589 EXPECT_NE(0U, contents.length());
590 EXPECT_EQ(contents.find("encrypted_value123XYZ"), std::string::npos);
591 EXPECT_EQ(contents.find("something456ABC"), std::string::npos);
594 } // namespace content