initial commit

Signed-off-by: Peter Siegmund <mars3142@noreply.mars3142.dev>

libs/wxWidgets-3.3.1/tests/streams/memstream.cpp

@@ -0,0 +1,158 @@
+///////////////////////////////////////////////////////////////////////////////
+// Name:        tests/streams/memstream.cpp
+// Purpose:     Test wxMemoryInputStream/wxMemoryOutputStream
+// Author:      Hans Van Leemputten
+// Copyright:   (c) 2004 Hans Van Leemputten
+// Licence:     wxWindows licence
+///////////////////////////////////////////////////////////////////////////////
+
+// For compilers that support precompilation, includes "wx/wx.h".
+// and "wx/cppunit.h"
+#include "testprec.h"
+
+
+// for all others, include the necessary headers
+#ifndef WX_PRECOMP
+    #include "wx/wx.h"
+#endif
+
+#include "wx/mstream.h"
+
+#include "bstream.h"
+
+#define DATABUFFER_SIZE     256
+
+///////////////////////////////////////////////////////////////////////////////
+// The test case
+//
+// Try to fully test wxMemoryInputStream and wxMemoryOutputStream
+
+class memStream : public BaseStreamTestCase<wxMemoryInputStream, wxMemoryOutputStream>
+{
+public:
+    memStream();
+    virtual ~memStream();
+
+    CPPUNIT_TEST_SUITE(memStream);
+        // Base class stream tests the memStream supports.
+        CPPUNIT_TEST(Input_GetSize);
+        CPPUNIT_TEST(Input_GetC);
+        CPPUNIT_TEST(Input_Read);
+        CPPUNIT_TEST(Input_Eof);
+        CPPUNIT_TEST(Input_LastRead);
+        CPPUNIT_TEST(Input_CanRead);
+        CPPUNIT_TEST(Input_SeekI);
+        CPPUNIT_TEST(Input_TellI);
+        CPPUNIT_TEST(Input_Peek);
+        CPPUNIT_TEST(Input_Ungetch);
+
+        CPPUNIT_TEST(Output_PutC);
+        CPPUNIT_TEST(Output_Write);
+        CPPUNIT_TEST(Output_LastWrite);
+        CPPUNIT_TEST(Output_SeekO);
+        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:
+    const char *GetDataBuffer();
+
+private:
+    // Implement base class functions.
+    virtual wxMemoryInputStream  *DoCreateInStream() override;
+    virtual wxMemoryOutputStream *DoCreateOutStream() override;
+
+private:
+    char    m_DataBuffer[DATABUFFER_SIZE];
+};
+
+memStream::memStream()
+{
+    // Init the data buffer.
+    for (size_t i = 0; i < DATABUFFER_SIZE; i++)
+        m_DataBuffer[i] = (i % 0xFF);
+}
+
+memStream::~memStream()
+{
+    /* Nothing extra for now. */
+}
+
+const char *memStream::GetDataBuffer()
+{
+    return m_DataBuffer;
+}
+
+wxMemoryInputStream *memStream::DoCreateInStream()
+{
+    wxMemoryInputStream *pMemInStream = new wxMemoryInputStream(GetDataBuffer(), DATABUFFER_SIZE);
+    CPPUNIT_ASSERT(pMemInStream->IsOk());
+    return pMemInStream;
+}
+wxMemoryOutputStream *memStream::DoCreateOutStream()
+{
+    wxMemoryOutputStream *pMemOutStream = new wxMemoryOutputStream();
+    CPPUNIT_ASSERT(pMemOutStream->IsOk());
+    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());
+    wxFileOffset len = pMemInStream2->GetLength();
+    char *dat = new char[len];
+    pMemInStream2->Read(dat, len);
+    CPPUNIT_ASSERT_EQUAL(len, (wxFileOffset)pMemInStream2->LastRead());
+    wxStreamBuffer *buf = pMemInStream1->GetInputStreamBuffer();
+    void *pIn = buf->GetBufferStart();
+    CPPUNIT_ASSERT(memcmp(pIn, dat, len) == 0);
+    delete pMemInStream2;
+
+    wxFileOffset 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, (wxFileOffset)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_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.
+// Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
+STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(memStream)