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added wxMemoryInputStream(wxInputStream&, size_t) ctor (modified patch 1680108)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@44871 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2007-03-17 15:28:28 +00:00
parent badea31707
commit 764471557e
5 changed files with 87 additions and 3 deletions
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39
tests/streams/memstream.cpp
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@@ -56,11 +56,13 @@ public:
CPPUNIT_TEST(Output_TellO);
// Other test specific for Memory stream test case.
CPPUNIT_TEST(Ctor_InFromIn);
CPPUNIT_TEST(Ctor_InFromOut);
CPPUNIT_TEST_SUITE_END();
protected:
// Add own test here.
void Ctor_InFromIn();
void Ctor_InFromOut();
private:
@@ -105,20 +107,53 @@ wxMemoryOutputStream *memStream::DoCreateOutStream()
return pMemOutStream;
}
void memStream::Ctor_InFromIn()
{
wxMemoryInputStream *pMemInStream1 = DoCreateInStream();
wxMemoryInputStream *pMemInStream2 = new wxMemoryInputStream(*pMemInStream1);
CPPUNIT_ASSERT(pMemInStream2->IsOk());
CPPUNIT_ASSERT_EQUAL(pMemInStream1->GetLength(), pMemInStream2->GetLength());
size_t len = pMemInStream2->GetLength();
char *dat = new char[len];
pMemInStream2->Read(dat, len);
CPPUNIT_ASSERT_EQUAL(len, pMemInStream2->LastRead());
wxStreamBuffer *buf = pMemInStream1->GetInputStreamBuffer();
void *pIn = buf->GetBufferStart();
CPPUNIT_ASSERT(memcmp(pIn, dat, len) == 0);
delete pMemInStream2;
size_t len2 = len / 2;
CPPUNIT_ASSERT(len2);
CPPUNIT_ASSERT(pMemInStream1->SeekI(-len2, wxFromCurrent) != wxInvalidOffset);
pIn = buf->GetBufferPos();
pMemInStream2 = new wxMemoryInputStream(*pMemInStream1, len2);
CPPUNIT_ASSERT(pMemInStream2->IsOk());
CPPUNIT_ASSERT_EQUAL((wxFileOffset)len2, pMemInStream2->GetLength());
pMemInStream2->Read(dat, len2);
CPPUNIT_ASSERT_EQUAL(len2, pMemInStream2->LastRead());
CPPUNIT_ASSERT(memcmp(pIn, dat, len2) == 0);
delete[] dat;
delete pMemInStream2;
delete pMemInStream1;
}
void memStream::Ctor_InFromOut()
{
wxMemoryOutputStream *pMemOutStream = DoCreateOutStream();
pMemOutStream->Write(GetDataBuffer(), DATABUFFER_SIZE);
wxMemoryInputStream *pMemInStream = new wxMemoryInputStream(*pMemOutStream);
CPPUNIT_ASSERT(pMemInStream->IsOk());
CPPUNIT_ASSERT(pMemInStream->GetLength() == pMemOutStream->GetLength());
int len = pMemInStream->GetLength();
CPPUNIT_ASSERT_EQUAL(pMemInStream->GetLength(), pMemOutStream->GetLength());
size_t len = pMemInStream->GetLength();
wxStreamBuffer *in = pMemInStream->GetInputStreamBuffer();
wxStreamBuffer *out = pMemOutStream->GetOutputStreamBuffer();
void *pIn = in->GetBufferStart();
void *pOut = out->GetBufferStart();
CPPUNIT_ASSERT(pIn != pOut);
CPPUNIT_ASSERT(memcmp(pIn, pOut, len) == 0);
delete pMemInStream;
delete pMemOutStream;
}
// Register the stream sub suite, by using some stream helper macro.