void MemStreamTest::RunTests()
{
// -------------------------------------------------------
// Test input stream
// -------------------------------------------------------
{
std::string test("hi there");
IMemStream ms((char*)(test.data()), test.size());
std::stringstream ss(test);
for (int i=0; i<5; i++)
{
std::string s1, s2;
ms >> s1;
ss >> s2;
TESTEQUAL2("in", s2, s1);
TESTEQUAL2("in fail", ss.fail(), ms.fail());
TESTEQUAL2("in eof", ss.eof(), ms.eof());
}
// Test changing the buffer
std::string test2("bye now");
ms.str((char*)(test2.data()), test2.size());
ms.seekg(0);
ms.clear();
std::stringstream ss2(test2);
for (int i=0; i<5; i++)
{
std::string s1, s2;
ms >> s1;
ss2 >> s2;
TESTEQUAL2("in2", s2, s1);
TESTEQUAL2("in2 fail", ss2.fail(), ms.fail());
TESTEQUAL2("in2 eof", ss2.eof(), ms.eof());
}
}
// -------------------------------------------------------
// Test setting the buffer on a default input stream
// -------------------------------------------------------
{
std::string test("third test");
IMemStream ms;
ms.str((char*)(test.data()), test.size());
std::stringstream ss(test);
for (int i=0; i<5; i++)
{
std::string s1, s2;
ms >> s1;
ss >> s2;
TESTEQUAL2("in2", s2, s1);
TESTEQUAL2("in2 fail", ss.fail(), ms.fail());
TESTEQUAL2("in2 eof", ss.eof(), ms.eof());
}
}
// -------------------------------------------------------
// Test output stream
// -------------------------------------------------------
{
OMemStream ms;
std::stringstream ss;
for (int i=0; i<500; i++)
{
ms << i << " ";
ss << i << " ";
}
const char* dataP = ms.str();
size_t size = ms.pcount();
std::string msStr(dataP, size);
std::string ssStr = ss.str();
TESTEQUAL2("out data", msStr, ssStr);
TESTEQUAL2("out eof", ms.eof(), ss.eof());
TESTEQUAL2("out fail", ms.fail(), ss.fail());
}
// -------------------------------------------------------
// Test memory limits
// -------------------------------------------------------
// Set max at 0x10000000 for day to day testing so that test doesn't take too long.
// To determine the actual memory limits, change this max to something very large and
// see where we break.
size_t max = 0x10000000L;
size_t sizeLimit = memLimitsTest(max);
TESTEQUAL2("maximum stream size", sizeLimit >= max, true);
}
void show()
{
if (!stopped)
stop();
std::cout << msStr() << "\n";
}