testPackableStream.cc
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1 /*
2  * Copyright (C) 1996-2017 The Squid Software Foundation and contributors
3  *
4  * Squid software is distributed under GPLv2+ license and includes
5  * contributions from numerous individuals and organizations.
6  * Please see the COPYING and CONTRIBUTORS files for details.
7  */
8 
9 #include "squid.h"
10 #include "base/PackableStream.h"
11 #include "CapturingStoreEntry.h"
12 #include "Store.h"
13 #include "testPackableStream.h"
14 #include "testStore.h"
15 
16 #include <iomanip>
17 #include <cppunit/TestAssert.h>
18 
20 
21 /* init memory pools */
22 
24 {
25  Mem::Init();
26 }
27 
28 // TODO: test streaming to a MemBuf as well.
29 
30 void
32 {
33  /* Setup a store root so we can create a StoreEntry */
34  Store::Init();
35 
36  CapturingStoreEntry * anEntry = new CapturingStoreEntry();
37  {
38  anEntry->lock("test");
39  PackableStream stream(*anEntry);
40  CPPUNIT_ASSERT_EQUAL(1, anEntry->_buffer_calls);
41  CPPUNIT_ASSERT_EQUAL(0, anEntry->_flush_calls);
42 
43  stream.setf(std::ios::fixed);
44  stream << 123456 << std::setprecision(1) << 77.7;
45  stream << " some text" << std::setw(4) << "!" << '.';
46  CPPUNIT_ASSERT_EQUAL(1, anEntry->_buffer_calls);
47 
48  const int preFlushCount = anEntry->_flush_calls;
49  // may have already flushed
50  CPPUNIT_ASSERT(preFlushCount >= 0);
51  stream.flush();
52  // flushed at least once more
53  CPPUNIT_ASSERT(anEntry->_flush_calls > preFlushCount);
54 
55  CPPUNIT_ASSERT_EQUAL(1, anEntry->_buffer_calls);
56  CPPUNIT_ASSERT_EQUAL(String("12345677.7 some text !."), anEntry->_appended_text);
57  }
58  delete anEntry; // does the unlock()
60 }
61 
void Init(Controller *root=nullptr)
initialize the storage module; a custom root is used by unit tests only
Definition: Controller.cc:626
void Init()
Definition: old_api.cc:412
void FreeMemory()
undo Init()
Definition: Controller.cc:632
CPPUNIT_TEST_SUITE_REGISTRATION(testPackableStream)
void lock(const char *context)
Definition: store.cc:448

 

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