X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/340da6aec02a5ec245cb6bd6018f3d46e27d8b76..b480b80a27bb103fd77e196aaed5a5306456d174:/tests/streams/memstream.cpp

diff --git a/tests/streams/memstream.cpp b/tests/streams/memstream.cpp
index a785904bfe..4d421a110b 100644
--- a/tests/streams/memstream.cpp
+++ b/tests/streams/memstream.cpp
@@ -7,13 +7,9 @@
 // Licence:     wxWidgets licence
 ///////////////////////////////////////////////////////////////////////////////
 
-#if defined(__GNUG__) && !defined(__APPLE__)
-    #pragma implementation
-    #pragma interface
-#endif
-
 // For compilers that support precompilation, includes "wx/wx.h".
-#include "wx/wxprec.h"
+// and "wx/cppunit.h"
+#include "testprec.h"
 
 #ifdef __BORLANDC__
     #pragma hdrstop
@@ -24,14 +20,10 @@
     #include "wx/wx.h"
 #endif
 
-#include "wx/cppunit.h"
 #include "wx/mstream.h"
 
 #include "bstream.h"
 
-using namespace std;
-using namespace CppUnit;
-
 #define DATABUFFER_SIZE     256
 
 ///////////////////////////////////////////////////////////////////////////////
@@ -52,6 +44,7 @@ public:
         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);
@@ -64,17 +57,21 @@ 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:
     const char *GetDataBuffer();
 
 private:
     // Implement base class functions.
-    virtual wxMemoryInputStream  *DoCreateInStream();  
+    virtual wxMemoryInputStream  *DoCreateInStream();
     virtual wxMemoryOutputStream *DoCreateOutStream();
 
 private:
@@ -98,19 +95,67 @@ const char *memStream::GetDataBuffer()
     return m_DataBuffer;
 }
 
-wxMemoryInputStream *memStream::DoCreateInStream()    
-{ 
+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())