+///////////////////////////////////////////////////////////////////////////////
+// Name: tests/streams/stdstream.cpp
+// Purpose: Test wxStdInputStreamBuffer/wxStdOutputStreamBuffer
+// Author: Jonathan Liu <net147@gmail.com>
+// RCS-ID: $Id$
+// Copyright: (c) 2009 Jonathan Liu
+// Licence: wxWidgets licence
+///////////////////////////////////////////////////////////////////////////////
+
+// For compilers that support precompilation, includes "wx/wx.h".
+// and "wx/cppunit.h"
+#include "testprec.h"
+
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
+
+// for all others, include the necessary headers
+#ifndef WX_PRECOMP
+ #include "wx/wx.h"
+#endif
+
+#if wxUSE_STD_IOSTREAM
+
+#include "wx/stdstream.h"
+
+#include <string.h>
+#include "wx/mstream.h"
+
+// when std::streamoff is simply long we don't need this as we already allow
+// comparisons between int and long but we do need it otherwise -- and we don't
+// have any way to detect it so for now just assume that all 64 bit builds use
+// long as streamoff and if this is wrong we'll add a check to configure later
+#if SIZEOF_SIZE_T != 8
+ WX_CPPUNIT_ALLOW_EQUALS_TO_INT(std::streamoff)
+#endif
+
+// ==========================================================================
+// Definitions
+// ==========================================================================
+
+const int TEST_SIZE = 384;
+
+// ==========================================================================
+// Test class
+// ==========================================================================
+
+class StdStreamTestCase : public CppUnit::TestCase
+{
+public:
+ StdStreamTestCase();
+
+private:
+ CPPUNIT_TEST_SUITE( StdStreamTestCase );
+ // Input buffer management and positioning
+ CPPUNIT_TEST( InputBuffer_pubsetbuf );
+ CPPUNIT_TEST( InputBuffer_pubseekoff );
+ CPPUNIT_TEST( InputBuffer_pubseekpos );
+ CPPUNIT_TEST( InputBuffer_pubsync );
+
+ // Input functions
+ CPPUNIT_TEST( InputBuffer_in_avail );
+ CPPUNIT_TEST( InputBuffer_snextc );
+ CPPUNIT_TEST( InputBuffer_sbumpc );
+ CPPUNIT_TEST( InputBuffer_sgetc );
+ CPPUNIT_TEST( InputBuffer_sgetn );
+ CPPUNIT_TEST( InputBuffer_sputbackc );
+ CPPUNIT_TEST( InputBuffer_sungetc );
+
+ // Output buffer management and positioning
+ CPPUNIT_TEST( OutputBuffer_pubsetbuf );
+ CPPUNIT_TEST( OutputBuffer_pubseekoff );
+ CPPUNIT_TEST( OutputBuffer_pubseekpos );
+ CPPUNIT_TEST( OutputBuffer_pubsync );
+
+ // Output functions
+ CPPUNIT_TEST( OutputBuffer_sputc );
+ CPPUNIT_TEST( OutputBuffer_sputn );
+ CPPUNIT_TEST_SUITE_END();
+
+ // Input buffer management and positioning
+ void InputBuffer_pubsetbuf();
+ void InputBuffer_pubseekoff();
+ void InputBuffer_pubseekpos();
+ void InputBuffer_pubsync();
+
+ // Input functions
+ void InputBuffer_in_avail();
+ void InputBuffer_snextc();
+ void InputBuffer_sbumpc();
+ void InputBuffer_sgetc();
+ void InputBuffer_sgetn();
+ void InputBuffer_sputbackc();
+ void InputBuffer_sungetc();
+
+ // Output buffer management and positioning
+ void OutputBuffer_pubsetbuf();
+ void OutputBuffer_pubseekoff();
+ void OutputBuffer_pubseekpos();
+ void OutputBuffer_pubsync();
+
+ // Output functions
+ void OutputBuffer_sputc();
+ void OutputBuffer_sputn();
+
+ char m_testData[TEST_SIZE];
+
+ DECLARE_NO_COPY_CLASS(StdStreamTestCase)
+};
+
+// register in the unnamed registry so that these tests are run by default
+CPPUNIT_TEST_SUITE_REGISTRATION( StdStreamTestCase );
+
+// also include in it's own registry so that these tests can be run alone
+CPPUNIT_TEST_SUITE_NAMED_REGISTRATION( StdStreamTestCase,
+ "StdStreamTestCase" );
+
+// ==========================================================================
+// Implementation
+// ==========================================================================
+
+StdStreamTestCase::StdStreamTestCase()
+{
+ for (int i = 0; i < TEST_SIZE; ++i)
+ m_testData[i] = (i & 0xFF);
+}
+
+// --------------------------------------------------------------------------
+// Input buffer management and positioning
+// --------------------------------------------------------------------------
+
+void StdStreamTestCase::InputBuffer_pubsetbuf()
+{
+ wxMemoryInputStream stream(m_testData, TEST_SIZE);
+ wxStdInputStreamBuffer buffer(stream);
+ char testBuffer[TEST_SIZE];
+
+ CPPUNIT_ASSERT(buffer.pubsetbuf(testBuffer, TEST_SIZE) == NULL);
+}
+
+void StdStreamTestCase::InputBuffer_pubseekoff()
+{
+ const char *testData = "0123456789";
+ wxMemoryInputStream stream(testData, 10);
+ wxStdInputStreamBuffer buffer(stream);
+
+ CPPUNIT_ASSERT_EQUAL(2,
+ buffer.pubseekoff(2, std::ios_base::beg,
+ std::ios_base::in));
+ CPPUNIT_ASSERT_EQUAL(-1,
+ buffer.pubseekoff(2, std::ios_base::beg,
+ std::ios_base::out));
+
+ CPPUNIT_ASSERT_EQUAL(4,
+ buffer.pubseekoff(2, std::ios_base::cur));
+ CPPUNIT_ASSERT_EQUAL(-1,
+ buffer.pubseekoff(2, std::ios_base::cur,
+ std::ios_base::out));
+
+ CPPUNIT_ASSERT_EQUAL(8,
+ buffer.pubseekoff(-2, std::ios_base::end));
+ CPPUNIT_ASSERT_EQUAL(-1,
+ buffer.pubseekoff(-2, std::ios_base::end,
+ std::ios_base::out));
+
+ CPPUNIT_ASSERT_EQUAL(-1,
+ buffer.pubseekoff(3, std::ios_base::cur));
+ CPPUNIT_ASSERT_EQUAL(-1,
+ buffer.pubseekoff(3, std::ios_base::cur,
+ std::ios_base::out));
+}
+
+void StdStreamTestCase::InputBuffer_pubseekpos()
+{
+ const char *testData = "0123456789";
+ wxMemoryInputStream stream(testData, 10);
+ wxStdInputStreamBuffer buffer(stream);
+
+ for (int i = 9; i >= 0; --i)
+ {
+ if (i % 2 == 0)
+ CPPUNIT_ASSERT_EQUAL(i, buffer.pubseekpos(i));
+ else
+ CPPUNIT_ASSERT_EQUAL(i, buffer.pubseekpos(i, std::ios_base::in));
+
+ CPPUNIT_ASSERT_EQUAL('0' + i, buffer.sgetc());
+ }
+}
+
+void StdStreamTestCase::InputBuffer_pubsync()
+{
+ wxMemoryInputStream stream(m_testData, TEST_SIZE);
+ wxStdInputStreamBuffer buffer(stream);
+
+ CPPUNIT_ASSERT(buffer.pubsync() == 0);
+}
+
+// --------------------------------------------------------------------------
+// Input functions
+// --------------------------------------------------------------------------
+
+void StdStreamTestCase::InputBuffer_in_avail()
+{
+ wxMemoryInputStream stream(m_testData, TEST_SIZE);
+ wxStdInputStreamBuffer buffer(stream);
+
+ CPPUNIT_ASSERT(buffer.sgetc() != EOF);
+ CPPUNIT_ASSERT_EQUAL(TEST_SIZE, buffer.in_avail());
+
+ char data[TEST_SIZE / 2];
+
+ buffer.sgetn(data, TEST_SIZE / 2);
+ CPPUNIT_ASSERT_EQUAL(TEST_SIZE - TEST_SIZE / 2, buffer.in_avail());
+}
+
+void StdStreamTestCase::InputBuffer_snextc()
+{
+ wxMemoryInputStream stream(m_testData, TEST_SIZE);
+ wxStdInputStreamBuffer buffer(stream);
+
+ CPPUNIT_ASSERT(buffer.sgetc() != EOF);
+ CPPUNIT_ASSERT_EQUAL(TEST_SIZE, buffer.in_avail());
+
+ char data[TEST_SIZE];
+
+ data[0] = buffer.sgetc();
+
+ for (int i = 1; i < TEST_SIZE; ++i)
+ data[i] = buffer.snextc();
+
+ CPPUNIT_ASSERT(memcmp(data, m_testData, TEST_SIZE) == 0);
+ CPPUNIT_ASSERT_EQUAL((int)(unsigned char) (m_testData[TEST_SIZE - 1]),
+ buffer.sbumpc());
+ CPPUNIT_ASSERT(buffer.sgetc() == EOF);
+}
+
+void StdStreamTestCase::InputBuffer_sbumpc()
+{
+ wxMemoryInputStream stream(m_testData, TEST_SIZE);
+ wxStdInputStreamBuffer buffer(stream);
+
+ CPPUNIT_ASSERT(buffer.sgetc() != EOF);
+ CPPUNIT_ASSERT_EQUAL(TEST_SIZE, buffer.in_avail());
+
+ char data[TEST_SIZE];
+
+ for (int i = 0; i < TEST_SIZE; ++i)
+ data[i] = buffer.sbumpc();
+
+ CPPUNIT_ASSERT(memcmp(data, m_testData, TEST_SIZE) == 0);
+ CPPUNIT_ASSERT(buffer.sgetc() == EOF);
+}
+
+void StdStreamTestCase::InputBuffer_sgetc()
+{
+ wxMemoryInputStream stream(m_testData, TEST_SIZE);
+ wxStdInputStreamBuffer buffer(stream);
+
+ CPPUNIT_ASSERT(buffer.sgetc() != EOF);
+ CPPUNIT_ASSERT_EQUAL(TEST_SIZE, buffer.in_avail());
+
+ char data[TEST_SIZE];
+
+ for (int i = 0; i < TEST_SIZE; ++i) {
+ data[i] = buffer.sgetc();
+ buffer.sbumpc();
+ }
+
+ CPPUNIT_ASSERT(memcmp(data, m_testData, TEST_SIZE) == 0);
+ CPPUNIT_ASSERT(buffer.sgetc() == EOF);
+}
+
+void StdStreamTestCase::InputBuffer_sgetn()
+{
+ wxMemoryInputStream stream(m_testData, TEST_SIZE);
+ wxStdInputStreamBuffer buffer(stream);
+
+ CPPUNIT_ASSERT(buffer.sgetc() != EOF);
+ CPPUNIT_ASSERT_EQUAL(TEST_SIZE, buffer.in_avail());
+
+ char data[TEST_SIZE * 2];
+ std::streamsize read = buffer.sgetn(data, TEST_SIZE * 2);
+
+ CPPUNIT_ASSERT_EQUAL(TEST_SIZE, read);
+ CPPUNIT_ASSERT(memcmp(data, m_testData, TEST_SIZE) == 0);
+ CPPUNIT_ASSERT(buffer.sgetc() == EOF);
+}
+
+void StdStreamTestCase::InputBuffer_sputbackc()
+{
+ wxMemoryInputStream stream(m_testData, TEST_SIZE);
+ wxStdInputStreamBuffer buffer(stream);
+
+ CPPUNIT_ASSERT(buffer.sgetc() != EOF);
+ CPPUNIT_ASSERT_EQUAL(TEST_SIZE, buffer.in_avail());
+
+ char data[TEST_SIZE];
+ std::streamsize read = buffer.sgetn(data, TEST_SIZE);
+
+ CPPUNIT_ASSERT_EQUAL(TEST_SIZE, read);
+ CPPUNIT_ASSERT(memcmp(data, m_testData, TEST_SIZE) == 0);
+ CPPUNIT_ASSERT(buffer.sgetc() == EOF);
+
+ char putBackChar = m_testData[TEST_SIZE - 1] + 147;
+
+ CPPUNIT_ASSERT_EQUAL((int) putBackChar, buffer.sputbackc(putBackChar));
+ CPPUNIT_ASSERT_EQUAL((int) putBackChar, buffer.sgetc());
+ CPPUNIT_ASSERT_EQUAL((int) putBackChar, buffer.sbumpc());
+ CPPUNIT_ASSERT(buffer.sgetc() == EOF);
+}
+
+void StdStreamTestCase::InputBuffer_sungetc()
+{
+ wxMemoryInputStream stream(m_testData, TEST_SIZE);
+ wxStdInputStreamBuffer buffer(stream);
+
+ CPPUNIT_ASSERT(buffer.sgetc() != EOF);
+ CPPUNIT_ASSERT_EQUAL(TEST_SIZE, buffer.in_avail());
+
+ char data[TEST_SIZE];
+ std::streamsize read = buffer.sgetn(data, TEST_SIZE);
+
+ CPPUNIT_ASSERT_EQUAL(TEST_SIZE, read);
+ CPPUNIT_ASSERT(memcmp(data, m_testData, TEST_SIZE) == 0);
+ CPPUNIT_ASSERT(buffer.sgetc() == EOF);
+
+ CPPUNIT_ASSERT_EQUAL((int) m_testData[TEST_SIZE - 1], buffer.sungetc());
+ CPPUNIT_ASSERT_EQUAL((int) m_testData[TEST_SIZE - 1], buffer.sgetc());
+ CPPUNIT_ASSERT_EQUAL((int) m_testData[TEST_SIZE - 1], buffer.sbumpc());
+ CPPUNIT_ASSERT(buffer.sgetc() == EOF);
+}
+
+// --------------------------------------------------------------------------
+// Output buffer management and positioning
+// --------------------------------------------------------------------------
+
+void StdStreamTestCase::OutputBuffer_pubsetbuf()
+{
+ wxMemoryOutputStream stream;
+ wxStdOutputStreamBuffer buffer(stream);
+ char testBuffer[TEST_SIZE];
+
+ CPPUNIT_ASSERT(buffer.pubsetbuf(testBuffer, TEST_SIZE) == NULL);
+}
+
+void StdStreamTestCase::OutputBuffer_pubseekoff()
+{
+ char testData[] = "0123456789";
+ wxMemoryOutputStream stream(testData, 10);
+ wxStdOutputStreamBuffer buffer(stream);
+
+ CPPUNIT_ASSERT_EQUAL(2,
+ buffer.pubseekoff(2, std::ios_base::beg,
+ std::ios_base::out));
+ CPPUNIT_ASSERT_EQUAL(-1,
+ buffer.pubseekoff(2, std::ios_base::beg,
+ std::ios_base::in));
+
+ CPPUNIT_ASSERT_EQUAL(4,
+ buffer.pubseekoff(2, std::ios_base::cur));
+ CPPUNIT_ASSERT_EQUAL(-1,
+ buffer.pubseekoff(2, std::ios_base::cur,
+ std::ios_base::in));
+
+ CPPUNIT_ASSERT_EQUAL(8,
+ buffer.pubseekoff(-2, std::ios_base::end));
+ CPPUNIT_ASSERT_EQUAL(-1,
+ buffer.pubseekoff(-2, std::ios_base::end,
+ std::ios_base::in));
+
+ CPPUNIT_ASSERT_EQUAL(-1,
+ buffer.pubseekoff(3, std::ios_base::cur));
+ CPPUNIT_ASSERT_EQUAL(-1,
+ buffer.pubseekoff(3, std::ios_base::cur,
+ std::ios_base::in));
+}
+
+void StdStreamTestCase::OutputBuffer_pubseekpos()
+{
+ char testData[] = "0123456789";
+ wxMemoryOutputStream stream(testData, 10);
+ wxStdOutputStreamBuffer buffer(stream);
+
+ for (int i = 9; i >= 0; --i)
+ {
+ if (i % 2 == 0)
+ {
+ CPPUNIT_ASSERT_EQUAL(i, buffer.pubseekpos(i));
+ }
+ else
+ {
+ CPPUNIT_ASSERT_EQUAL(i,
+ buffer.pubseekpos(i, std::ios_base::out));
+ }
+
+ CPPUNIT_ASSERT_EQUAL('0' + (9 - i), buffer.sputc('0' + (9 - i)));
+ }
+
+ CPPUNIT_ASSERT(memcmp(testData, "9876543210", 10) == 0);
+
+ CPPUNIT_ASSERT_EQUAL(-1, buffer.pubseekpos(5, std::ios_base::in));
+}
+
+void StdStreamTestCase::OutputBuffer_pubsync()
+{
+ wxMemoryOutputStream stream;
+ wxStdOutputStreamBuffer buffer(stream);
+
+ CPPUNIT_ASSERT(buffer.pubsync() == 0);
+}
+
+// --------------------------------------------------------------------------
+// Output functions
+// --------------------------------------------------------------------------
+
+void StdStreamTestCase::OutputBuffer_sputc()
+{
+ wxMemoryOutputStream stream;
+ wxStdOutputStreamBuffer buffer(stream);
+
+ for (int i = 0; i < TEST_SIZE; ++i)
+ buffer.sputc(m_testData[i]);
+
+ CPPUNIT_ASSERT_EQUAL(TEST_SIZE, stream.GetSize());
+
+ char result[TEST_SIZE];
+
+ stream.CopyTo(result, TEST_SIZE);
+ CPPUNIT_ASSERT(memcmp(result, m_testData, TEST_SIZE) == 0);
+}
+
+void StdStreamTestCase::OutputBuffer_sputn()
+{
+ wxMemoryOutputStream stream;
+ wxStdOutputStreamBuffer buffer(stream);
+
+ buffer.sputn(m_testData, TEST_SIZE);
+ CPPUNIT_ASSERT_EQUAL(TEST_SIZE, stream.GetSize());
+
+ char result[TEST_SIZE];
+
+ stream.CopyTo(result, TEST_SIZE);
+ CPPUNIT_ASSERT(memcmp(result, m_testData, TEST_SIZE) == 0);
+}
+
+#endif // wxUSE_STD_IOSTREAM
projects / wxWidgets.git / commitdiff
