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Expanded tests to check boundary cases.

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This commit is contained in:
martin-osborne 2015-01-25 08:59:44 +00:00
parent c264a0d716
commit 1c03740e41
1 changed files with 152 additions and 0 deletions
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152
Foundation/testsuite/src/MemoryStreamTest.cpp
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@ -136,6 +136,82 @@ void MemoryStreamTest::testInputSeek()
istr.seekg(-7, std::ios_base::end); // so that puts us at 2
istr >> c; // now 3
assert (c == '3');
istr.seekg(9, std::ios_base::beg);
assert (istr.good());
{
Poco::MemoryInputStream istr2(buffer.begin(), buffer.size());
istr2.seekg(10, std::ios_base::beg);
assert (istr2.fail());
}
istr.seekg(-9, std::ios_base::end);
assert (istr.good());
{
Poco::MemoryInputStream istr2(buffer.begin(), buffer.size());
istr2.seekg(-10, std::ios_base::end);
assert (istr2.fail());
}
istr.seekg(0, std::ios_base::beg);
assert (istr.good());
{
Poco::MemoryInputStream istr2(buffer.begin(), buffer.size());
istr2.seekg(-1, std::ios_base::beg);
assert (istr2.fail());
}
istr.seekg(0, std::ios_base::end);
assert (istr.good());
{
Poco::MemoryInputStream istr2(buffer.begin(), buffer.size());
istr2.seekg(1, std::ios_base::end);
assert (istr2.fail());
}
istr.seekg(3, std::ios_base::beg);
istr.seekg(6, std::ios_base::cur);
assert (istr.good());
{
Poco::MemoryInputStream istr2(buffer.begin(), buffer.size());
istr2.seekg(4, std::ios_base::beg);
istr2.seekg(6, std::ios_base::cur);
assert (istr2.fail());
}
istr.seekg(-4, std::ios_base::end);
istr.seekg(4, std::ios_base::cur);
assert (istr.good());
{
Poco::MemoryInputStream istr2(buffer.begin(), buffer.size());
istr2.seekg(-4, std::ios_base::end);
istr2.seekg(5, std::ios_base::cur);
assert (istr2.fail());
}
istr.seekg(4, std::ios_base::beg);
istr.seekg(-4, std::ios_base::cur);
assert (istr.good());
{
Poco::MemoryInputStream istr2(buffer.begin(), buffer.size());
istr2.seekg(4, std::ios_base::beg);
istr2.seekg(-5, std::ios_base::cur);
assert (istr2.fail());
}
}
@ -193,6 +269,82 @@ void MemoryStreamTest::testOutputSeek()
ostr.seekp(-3, std::ios_base::end); // 10-7 from the beginning
ostr << 'c'; // and this makes 4 (zero index 3)
assert (buffer[6] == 'c');
ostr.seekp(9, std::ios_base::beg);
assert (ostr.good());
{
Poco::MemoryOutputStream ostr2(buffer.begin(), buffer.size());
ostr2.seekp(10, std::ios_base::beg);
assert (ostr2.fail());
}
ostr.seekp(-9, std::ios_base::end);
assert (ostr.good());
{
Poco::MemoryOutputStream ostr2(buffer.begin(), buffer.size());
ostr2.seekp(-10, std::ios_base::end);
assert (ostr2.fail());
}
ostr.seekp(0, std::ios_base::beg);
assert (ostr.good());
{
Poco::MemoryOutputStream ostr2(buffer.begin(), buffer.size());
ostr2.seekp(-1, std::ios_base::beg);
assert (ostr2.fail());
}
ostr.seekp(0, std::ios_base::end);
assert (ostr.good());
{
Poco::MemoryOutputStream ostr2(buffer.begin(), buffer.size());
ostr2.seekp(1, std::ios_base::end);
assert (ostr2.fail());
}
ostr.seekp(3, std::ios_base::beg);
ostr.seekp(6, std::ios_base::cur);
assert (ostr.good());
{
Poco::MemoryOutputStream ostr2(buffer.begin(), buffer.size());
ostr2.seekp(4, std::ios_base::beg);
ostr2.seekp(6, std::ios_base::cur);
assert (ostr2.fail());
}
ostr.seekp(-4, std::ios_base::end);
ostr.seekp(4, std::ios_base::cur);
assert (ostr.good());
{
Poco::MemoryOutputStream ostr2(buffer.begin(), buffer.size());
ostr2.seekp(-4, std::ios_base::end);
ostr2.seekp(5, std::ios_base::cur);
assert (ostr2.fail());
}
ostr.seekp(4, std::ios_base::beg);
ostr.seekp(-4, std::ios_base::cur);
assert (ostr.good());
{
Poco::MemoryOutputStream ostr2(buffer.begin(), buffer.size());
ostr2.seekp(4, std::ios_base::beg);
ostr2.seekp(-5, std::ios_base::cur);
assert (ostr2.fail());
}
}