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poco/Foundation/testsuite/src/BasicFIFOBufferTest.cpp
Jonathan S 7e07cb9d4d Moved other FIFOBuffer tests to BasicFIFOBufferTest
2015-02-25 21:10:20 -05:00

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//
// BasicFIFOBufferTest.cpp
//
// $Id: //poco/1.4/Foundation/testsuite/src/BasicFIFOBufferTest.cpp#1 $
//
// Copyright (c) 2005-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// SPDX-License-Identifier: BSL-1.0
//
#include "BasicFIFOBufferTest.h"
#include "CppUnit/TestCaller.h"
#include "CppUnit/TestSuite.h"
#include "Poco/Buffer.h"
#include "Poco/Exception.h"
#include "Poco/Delegate.h"
#include "Poco/FIFOBuffer.h"
#include <iostream>
#include <memory>
#include <cstring>
// NOTE: using for certain namespace
using Poco::BasicFIFOBuffer;
using Poco::FIFOBuffer;
using Poco::Buffer;
using Poco::InvalidAccessException;
using Poco::delegate;
using std::memcpy;
BasicFIFOBufferTest::BasicFIFOBufferTest(const std::string& name): CppUnit::TestCase(name)
{
}
BasicFIFOBufferTest::~BasicFIFOBufferTest()
{
}
void BasicFIFOBufferTest::onReadable(bool& b)
{
if (b) ++_notToReadable;
else ++_readableToNot;
};
void BasicFIFOBufferTest::onWritable(bool& b)
{
if (b) ++_notToWritable;
else ++_writableToNot;
}
void BasicFIFOBufferTest::testNextWrite()
{
// String length is 88 characters.
std::string text("The Quick Brown Dog Jumps Over The Lazy Fox.");
BasicFIFOBuffer<char> buffer(128);
buffer.write(text.data(), text.size());
char c_buffer[buffer.size()];
std::memset(c_buffer, 0, buffer.size());
buffer.read(c_buffer, 4);
assert(std::string(c_buffer, 4) == std::string("The "));
buffer.peek(c_buffer, buffer.used());
assert(std::string(c_buffer, buffer.used()) ==
std::string("Quick Brown Dog Jumps Over The Lazy Fox."));
memcpy(buffer.next(), "The ", 4);
buffer.advance(4);
buffer.peek(c_buffer, buffer.used());
assert(std::string("Quick Brown Dog Jumps Over The Lazy Fox.The ") == std::string(c_buffer, buffer.used()));
}
void BasicFIFOBufferTest::testEOFAndError()
{
typedef FIFOBuffer::Type T;
FIFOBuffer f(20, true);
assert (f.isEmpty());
assert (!f.isFull());
Buffer<T> b(10);
std::vector<T> v;
f.readable += delegate(this, &BasicFIFOBufferTest::onReadable);
f.writable += delegate(this, &BasicFIFOBufferTest::onWritable);
for (T c = '0'; c < '0' + 10; ++c)
v.push_back(c);
std::memcpy(b.begin(), &v[0], sizeof(T) * v.size());
assert(0 == _notToReadable);
assert(0 == _readableToNot);
assert (10 == f.write(b));
assert(1 == _notToReadable);
assert(0 == _readableToNot);
assert (20 == f.size());
assert (10 == f.used());
assert (!f.isEmpty());
f.setEOF();
assert(0 == _notToWritable);
assert(1 == _writableToNot);
assert (f.hasEOF());
assert (!f.isEOF());
assert(1 == _notToReadable);
assert(0 == _readableToNot);
assert (20 == f.size());
assert (10 == f.used());
assert (0 == f.write(b));
assert (!f.isEmpty());
assert (5 == f.read(b, 5));
assert(1 == _notToReadable);
assert(0 == _readableToNot);
assert (f.hasEOF());
assert (!f.isEOF());
assert (5 == f.read(b, 5));
assert(1 == _notToReadable);
assert(1 == _readableToNot);
assert (f.hasEOF());
assert (f.isEOF());
assert(0 == _notToWritable);
assert(1 == _writableToNot);
f.setEOF(false);
assert (!f.hasEOF());
assert (!f.isEOF());
assert(1 == _notToWritable);
assert(1 == _writableToNot);
assert(1 == _notToReadable);
assert(1 == _readableToNot);
assert (5 == f.write(b));
assert(1 == _notToWritable);
assert(1 == _writableToNot);
assert(2 == _notToReadable);
assert(1 == _readableToNot);
assert (20 == f.size());
assert (5 == f.used());
f.setError();
assert (0 == f.write(b));
try
{
f.copy(b.begin(), 5);
fail ("must throw InvalidAccessException");
}
catch (InvalidAccessException&) { }
try
{
f.advance(5);
fail ("must throw InvalidAccessException");
}
catch (InvalidAccessException&) { }
assert(1 == _notToWritable);
assert(2 == _writableToNot);
assert(2 == _notToReadable);
assert(2 == _readableToNot);
assert (20 == f.size());
assert (0 == f.used());
f.setError(false);
assert(2 == _notToWritable);
assert(2 == _writableToNot);
assert(2 == _notToReadable);
assert(2 == _readableToNot);
assert (20 == f.size());
assert (0 == f.used());
assert (5 == f.write(b));
assert(2 == _notToWritable);
assert(2 == _writableToNot);
assert(3 == _notToReadable);
assert(2 == _readableToNot);
assert (20 == f.size());
assert (5 == f.used());
}
void BasicFIFOBufferTest::testChar()
{
typedef FIFOBuffer::Type T;
FIFOBuffer f(20, true);
assert (f.isEmpty());
assert (!f.isFull());
Buffer<T> b(10);
std::vector<T> v;
f.readable += delegate(this, &BasicFIFOBufferTest::onReadable);
f.writable += delegate(this, &BasicFIFOBufferTest::onWritable);
for (T c = '0'; c < '0' + 10; ++c)
v.push_back(c);
std::memcpy(b.begin(), &v[0], sizeof(T) * v.size());
assert(0 == _notToReadable);
assert(0 == _readableToNot);
f.write(b);
assert(1 == _notToReadable);
assert(0 == _readableToNot);
assert (20 == f.size());
assert (10 == f.used());
assert (!f.isEmpty());
assert ('0' == f[0]);
assert ('1' == f[1]);
assert ('2' == f[2]);
assert ('3' == f[3]);
assert ('4' == f[4]);
assert ('5' == f[5]);
assert ('6' == f[6]);
assert ('7' == f[7]);
assert ('8' == f[8]);
assert ('9' == f[9]);
b.resize(5);
f.read(b, b.size());
assert (20 == f.size());
assert (5 == f.used());
assert (!f.isEmpty());
assert ('5' == f[0]);
assert ('6' == f[1]);
assert ('7' == f[2]);
assert ('8' == f[3]);
assert ('9' == f[4]);
try { T i = f[10]; fail ("must fail"); }
catch (InvalidAccessException&) { }
v.clear();
for (T c = 'a'; c < 'a' + 10; ++c)
v.push_back(c);
b.resize(10);
std::memcpy(b.begin(), &v[0], sizeof(T) * v.size());
f.write(b);
assert (20 == f.size());
assert (15 == f.used());
assert (!f.isEmpty());
assert ('5' == f[0]);
assert ('6' == f[1]);
assert ('7' == f[2]);
assert ('8' == f[3]);
assert ('9' == f[4]);
assert ('a' == f[5]);
assert ('b' == f[6]);
assert ('c' == f[7]);
assert ('d' == f[8]);
assert ('e' == f[9]);
assert ('f' == f[10]);
assert ('g' == f[11]);
assert ('h' == f[12]);
assert ('i' == f[13]);
assert ('j' == f[14]);
try { T i = f[15]; fail ("must fail"); }
catch (InvalidAccessException&) { }
f.read(b, 10);
assert (20 == f.size());
assert (5 == f.used());
assert (!f.isEmpty());
assert ('f' == f[0]);
assert ('g' == f[1]);
assert ('h' == f[2]);
assert ('i' == f[3]);
assert ('j' == f[4]);
try { T i = f[5]; fail ("must fail"); }
catch (InvalidAccessException&) { }
assert(1 == _notToReadable);
assert(0 == _readableToNot);
assert(0 == _notToWritable);
assert(0 == _writableToNot);
f.read(b, 6);
assert(1 == _notToReadable);
assert(1 == _readableToNot);
assert(0 == _notToWritable);
assert(0 == _writableToNot);
assert (5 == b.size());
assert (20 == f.size());
assert (0 == f.used());
try { T i = f[0]; fail ("must fail"); }
catch (InvalidAccessException&) { }
assert (f.isEmpty());
assert(1 == _notToReadable);
assert(1 == _readableToNot);
assert(0 == _notToWritable);
assert(0 == _writableToNot);
assert (5 == f.write(b));
assert(2 == _notToReadable);
assert(1 == _readableToNot);
assert(0 == _notToWritable);
assert(0 == _writableToNot);
assert (20 == f.size());
assert (5 == f.used());
assert (!f.isEmpty());
assert ('f' == f[0]);
assert ('g' == f[1]);
assert ('h' == f[2]);
assert ('i' == f[3]);
assert ('j' == f[4]);
f.resize(10);
assert (10 == f.size());
assert (5 == f.used());
assert (!f.isEmpty());
assert ('f' == f[0]);
assert ('g' == f[1]);
assert ('h' == f[2]);
assert ('i' == f[3]);
assert ('j' == f[4]);
assert(2 == _notToReadable);
assert(1 == _readableToNot);
assert(0 == _notToWritable);
assert(0 == _writableToNot);
f.resize(3, false);
assert(2 == _notToReadable);
assert(2 == _readableToNot);
assert(0 == _notToWritable);
assert(0 == _writableToNot);
assert (3 == f.size());
assert (0 == f.used());
assert (f.isEmpty());
b.resize(3);
b[0] = 'x';
b[1] = 'y';
b[2] = 'z';
f.resize(3);
assert(2 == _notToReadable);
assert(2 == _readableToNot);
assert(0 == _notToWritable);
assert(0 == _writableToNot);
f.write(b);
assert(3 == _notToReadable);
assert(2 == _readableToNot);
assert(0 == _notToWritable);
assert(1 == _writableToNot);
assert (f.isFull());
f.read(b);
assert(3 == _notToReadable);
assert(3 == _readableToNot);
assert(1 == _notToWritable);
assert(1 == _writableToNot);
assert (f.isEmpty());
f.resize(10);
assert (10 == f.size());
assert (0 == f.used());
assert (10 == f.available());
assert (f.isEmpty());
assert(3 == _notToReadable);
assert(3 == _readableToNot);
assert(1 == _notToWritable);
assert(1 == _writableToNot);
f.write(b);
assert(4 == _notToReadable);
assert(3 == _readableToNot);
assert(1 == _notToWritable);
assert(1 == _writableToNot);
assert (10 == f.size());
assert (3 == f.used());
assert (7 == f.available());
assert (!f.isEmpty());
f.drain(1);
assert(4 == _notToReadable);
assert(3 == _readableToNot);
assert(1 == _notToWritable);
assert(1 == _writableToNot);
assert (10 == f.size());
assert (2 == f.used());
assert (8 == f.available());
assert (!f.isEmpty());
f.drain(2);
assert(4 == _notToReadable);
assert(4 == _readableToNot);
assert(1 == _notToWritable);
assert(1 == _writableToNot);
assert (10 == f.size());
assert (0 == f.used());
assert (10 == f.available());
assert (f.isEmpty());
f.write(b);
assert(5 == _notToReadable);
assert(4 == _readableToNot);
assert(1 == _notToWritable);
assert(1 == _writableToNot);
assert (10 == f.size());
assert (3 == f.used());
assert (7 == f.available());
assert (!f.isEmpty());
f.drain();
assert(5 == _notToReadable);
assert(5 == _readableToNot);
assert(1 == _notToWritable);
assert(1 == _writableToNot);
assert (10 == f.size());
assert (0 == f.used());
assert (10 == f.available());
assert (f.isEmpty());
f.write(b, 2);
assert (10 == f.size());
assert (2 == f.used());
assert (8 == f.available());
assert (!f.isEmpty());
assert(6 == _notToReadable);
assert(5 == _readableToNot);
assert(1 == _notToWritable);
assert(1 == _writableToNot);
f.drain();
assert(6 == _notToReadable);
assert(6 == _readableToNot);
assert(1 == _notToWritable);
assert(1 == _writableToNot);
assert (3 == f.write(b, 10));
assert (10 == f.size());
assert (3 == f.used());
assert (7 == f.available());
assert (!f.isEmpty());
assert(7 == _notToReadable);
assert(6 == _readableToNot);
assert(1 == _notToWritable);
assert(1 == _writableToNot);
const char arr[3] = {'4', '5', '6' };
try
{
f.copy(&arr[0], 8);
fail("must fail");
} catch (InvalidAccessException&) { }
f.copy(&arr[0], 3);
assert(7 == _notToReadable);
assert(6 == _readableToNot);
assert(1 == _notToWritable);
assert(1 == _writableToNot);
assert (10 == f.size());
assert (6 == f.used());
assert (4 == f.available());
f.copy(&arr[0], 4);
assert(7 == _notToReadable);
assert(6 == _readableToNot);
assert(1 == _notToWritable);
assert(2 == _writableToNot);
assert (f.isFull());
assert (10 == f.size());
assert (10 == f.used());
assert (0 == f.available());
try
{
f.copy(&arr[0], 1);
fail("must fail");
} catch (InvalidAccessException&) { }
f.drain(1);
assert(7 == _notToReadable);
assert(6 == _readableToNot);
assert(2 == _notToWritable);
assert(2 == _writableToNot);
f.drain(9);
assert (10 == f.size());
assert (0 == f.used());
assert (10 == f.available());
const char e[10] = { '1', '2', '3', '4', '5', '6', '7', '8', '9', '0' };
f.copy(&e[0], 10);
assert (10 == f.size());
assert (10 == f.used());
assert (0 == f.available());
f.drain(1);
f.write(e, 1);
assert (10 == f.size());
assert (10 == f.used());
assert (0 == f.available());
assert(f[0] == '2');
assert(f[1] == '3');
assert(f[2] == '4');
assert(f[3] == '5');
assert(f[4] == '6');
assert(f[5] == '7');
assert(f[6] == '8');
assert(f[7] == '9');
assert(f[8] == '0');
assert(f[9] == '1');
f.readable -= delegate(this, &BasicFIFOBufferTest::onReadable);
f.writable -= delegate(this, &BasicFIFOBufferTest::onReadable);
}
void BasicFIFOBufferTest::testInt()
{
typedef int T;
BasicFIFOBuffer<T> f(20);
Buffer<T> b(10);
std::vector<T> v;
for (T c = 0; c < 10; ++c)
v.push_back(c);
std::memcpy(b.begin(), &v[0], sizeof(T) * v.size());
f.write(b);
assert (20 == f.size());
assert (10 == f.used());
assert (!f.isEmpty());
assert (0 == f[0]);
assert (1 == f[1]);
assert (2 == f[2]);
assert (3 == f[3]);
assert (4 == f[4]);
assert (5 == f[5]);
assert (6 == f[6]);
assert (7 == f[7]);
assert (8 == f[8]);
assert (9 == f[9]);
b.resize(5);
f.read(b, b.size());
assert (20 == f.size());
assert (5 == f.used());
assert (!f.isEmpty());
assert (5 == f[0]);
assert (6 == f[1]);
assert (7 == f[2]);
assert (8 == f[3]);
assert (9 == f[4]);
try { T i = f[10]; fail ("must fail"); }
catch (InvalidAccessException&) { }
v.clear();
for (T c = 10; c < 20; ++c)
v.push_back(c);
b.resize(10);
std::memcpy(b.begin(), &v[0], sizeof(T) * v.size());
f.write(b);
assert (20 == f.size());
assert (15 == f.used());
assert (!f.isEmpty());
assert (5 == f[0]);
assert (6 == f[1]);
assert (7 == f[2]);
assert (8 == f[3]);
assert (9 == f[4]);
assert (10 == f[5]);
assert (11 == f[6]);
assert (12 == f[7]);
assert (13 == f[8]);
assert (14 == f[9]);
assert (15 == f[10]);
assert (16 == f[11]);
assert (17 == f[12]);
assert (18 == f[13]);
assert (19 == f[14]);
try { T i = f[15]; fail ("must fail"); }
catch (InvalidAccessException&) { }
f.read(b, 10);
assert (20 == f.size());
assert (5 == f.used());
assert (!f.isEmpty());
assert (15 == f[0]);
assert (16 == f[1]);
assert (17 == f[2]);
assert (18 == f[3]);
assert (19 == f[4]);
try { T i = f[5]; fail ("must fail"); }
catch (InvalidAccessException&) { }
f.read(b, 6);
assert (5 == b.size());
assert (20 == f.size());
assert (0 == f.used());
try { T i = f[0]; fail ("must fail"); }
catch (InvalidAccessException&) { }
assert (f.isEmpty());
assert (5 == f.write(b));
assert (20 == f.size());
assert (5 == f.used());
assert (!f.isEmpty());
assert (15 == f[0]);
assert (16 == f[1]);
assert (17 == f[2]);
assert (18 == f[3]);
assert (19 == f[4]);
f.resize(10);
assert (10 == f.size());
assert (5 == f.used());
assert (!f.isEmpty());
assert (15 == f[0]);
assert (16 == f[1]);
assert (17 == f[2]);
assert (18 == f[3]);
assert(19 == f[4]);
f.drain(9);
assert(10 == f.size());
assert(0 == f.used());
assert(10 == f.available());
const int e[10] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 0 };
f.copy(&e[0], 10);
assert(10 == f.size());
assert(10 == f.used());
assert(0 == f.available());
f.drain(1);
f.write(e, 1);
assert(10 == f.size());
assert(10 == f.used());
assert(0 == f.available());
assert(f[0] == 2);
assert(f[1] == 3);
assert(f[2] == 4);
assert(f[3] == 5);
assert(f[4] == 6);
assert(f[5] == 7);
assert(f[6] == 8);
assert(f[7] == 9);
assert(f[8] == 0);
assert(f[9] == 1);
f.resize(3, false);
assert (3 == f.size());
assert (0 == f.used());
assert (f.isEmpty());
}
void BasicFIFOBufferTest::setUp()
{
}
void BasicFIFOBufferTest::tearDown()
{
}
CppUnit::Test* BasicFIFOBufferTest::suite()
{
CppUnit::TestSuite* pSuite = new CppUnit::TestSuite("BasicFIFOBufferTest");
CppUnit_addTest(pSuite, BasicFIFOBufferTest, testNextWrite);
CppUnit_addTest(pSuite, BasicFIFOBufferTest, testChar);
CppUnit_addTest(pSuite, BasicFIFOBufferTest, testInt);
CppUnit_addTest(pSuite, BasicFIFOBufferTest, testEOFAndError);
return pSuite;
}
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