Added new stream tests to typetest.

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@14360 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775

diff --git a/samples/minimal/minimal.cpp b/samples/minimal/minimal.cpp
index 5ba383e3c3bad835251e24fc97dc35fa47870145..b077830509fca29db6458e916999b700aefe6457 100644 (file)
--- a/samples/minimal/minimal.cpp
+++ b/samples/minimal/minimal.cpp
@@ -174,6 +174,9 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 
 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 {
+    char *test = NULL;
+    *test = 0;
+
     // TRUE is to force the frame to close
     Close(TRUE);
 }

diff --git a/samples/typetest/typetest.cpp b/samples/typetest/typetest.cpp
index 8f6ef265dcec558284e92e41bf2eeb942680ec32..98ee15d0963f5ec8679b3466945f413e2495508c 100644 (file)
--- a/samples/typetest/typetest.cpp
+++ b/samples/typetest/typetest.cpp
@@ -72,6 +72,8 @@ BEGIN_EVENT_TABLE(MyApp, wxApp)
     EVT_MENU(TYPES_STREAM3, MyApp::DoStreamDemo3)
     EVT_MENU(TYPES_STREAM4, MyApp::DoStreamDemo4)
     EVT_MENU(TYPES_STREAM5, MyApp::DoStreamDemo5)
+    EVT_MENU(TYPES_STREAM6, MyApp::DoStreamDemo6)
+    EVT_MENU(TYPES_STREAM7, MyApp::DoStreamDemo7)
     EVT_MENU(TYPES_MIME, MyApp::DoMIMEDemo)
 END_EVENT_TABLE()
 
@@ -106,6 +108,8 @@ bool MyApp::OnInit()
     test_menu->Append(TYPES_STREAM3, "&Stream error test");
     test_menu->Append(TYPES_STREAM4, "&Stream buffer test");
     test_menu->Append(TYPES_STREAM5, "&Stream peek test");
+    test_menu->Append(TYPES_STREAM6, "&Stream ungetch test");
+    test_menu->Append(TYPES_STREAM7, "&Stream ungetch test for a buffered stream");
     test_menu->AppendSeparator();
     test_menu->Append(TYPES_MIME, "&MIME database test");
 
@@ -304,14 +308,14 @@ void MyApp::DoStreamDemo2(wxCommandEvent& WXUNUSED(event))
     textCtrl.WriteText( "\n\n\n" );
     
     textCtrl.WriteText( "Writing number 0 to 9 to buffered wxFileOutputStream, then\n" );
-    textCtrl.WriteText( "seeking back to #3 and writing 3:\n\n" );
+    textCtrl.WriteText( "seeking back to #3 and writing 0:\n\n" );
 
     wxFileOutputStream file_output2( wxString("test_wx2.dat") );
     wxBufferedOutputStream buf_output2( file_output2 );
     for (ch = 0; ch < 10; ch++)
         buf_output2.Write( &ch, 1 );
     buf_output2.SeekO( 3 );
-    ch = 3;
+    ch = 0;
     buf_output2.Write( &ch, 1 );
     buf_output2.Sync();
     
@@ -331,7 +335,7 @@ void MyApp::DoStreamDemo2(wxCommandEvent& WXUNUSED(event))
     buf_output2.Sync();
     
     textCtrl.WriteText( "Reading number 0 to 9 from buffered wxFileInputStream, then\n" );
-    textCtrl.WriteText( "seeking back to #3 and reading 3:\n\n" );
+    textCtrl.WriteText( "seeking back to #3 and reading the 0:\n\n" );
 
     wxFileInputStream file_input3( wxString("test_wx2.dat") );
     wxBufferedInputStream buf_input3( file_input3 );
@@ -725,6 +729,167 @@ void MyApp::DoStreamDemo5(wxCommandEvent& WXUNUSED(event))
     textCtrl.WriteText( str );
 }
 
+void MyApp::DoStreamDemo6(wxCommandEvent& WXUNUSED(event))
+{
+    wxTextCtrl& textCtrl = * GetTextCtrl();
+
+    textCtrl.Clear();
+    textCtrl.WriteText( "\nTesting Ungetch():\n\n" );
+    
+    char ch = 0;
+    size_t pos = 0;
+    wxString str;
+
+    textCtrl.WriteText( "Writing number 0 to 9 to wxFileOutputStream...\n\n" );
+
+    wxFileOutputStream file_output( wxString("test_wx.dat") );
+    for (ch = 0; ch < 10; ch++)
+        file_output.Write( &ch, 1 );
+        
+    file_output.Sync();
+    
+    textCtrl.WriteText( "Reading char from wxFileInputStream:\n\n" );
+
+    wxFileInputStream file_input( wxString("test_wx.dat") );
+    
+    ch = file_input.GetC();
+    pos = file_input.TellI();
+    str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+    textCtrl.WriteText( str );
+    
+    textCtrl.WriteText( "Reading another char from wxFileInputStream:\n\n" );
+
+    ch = file_input.GetC();
+    pos = file_input.TellI();
+    str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+    textCtrl.WriteText( str );
+    
+    textCtrl.WriteText( "Reading yet another char from wxFileInputStream:\n\n" );
+
+    ch = file_input.GetC();
+    pos = file_input.TellI();
+    str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+    textCtrl.WriteText( str );
+    
+    textCtrl.WriteText( "Now calling Ungetch( 5 ) from wxFileInputStream...\n\n" );
+
+    file_input.Ungetch( 5 );
+    pos = file_input.TellI();
+    str.Printf( wxT("Now at position %d\n\n"), (int) pos );
+    textCtrl.WriteText( str );
+    
+    textCtrl.WriteText( "Reading char from wxFileInputStream:\n\n" );
+
+    ch = file_input.GetC();
+    pos = file_input.TellI();
+    str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+    textCtrl.WriteText( str );
+    
+    textCtrl.WriteText( "Reading another char from wxFileInputStream:\n\n" );
+
+    ch = file_input.GetC();
+    pos = file_input.TellI();
+    str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+    textCtrl.WriteText( str );
+    
+    textCtrl.WriteText( "Now calling Ungetch( 5 ) from wxFileInputStream again...\n\n" );
+
+    file_input.Ungetch( 5 );
+    pos = file_input.TellI();
+    str.Printf( wxT("Now at position %d\n\n"), (int) pos );
+    textCtrl.WriteText( str );
+    
+    textCtrl.WriteText( "Seeking to pos 3 in wxFileInputStream. This invalidates the writeback buffer.\n\n" );
+    
+    file_input.SeekI( 3 );
+
+    ch = file_input.GetC();
+    pos = file_input.TellI();
+    str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+    textCtrl.WriteText( str );
+}
+
+void MyApp::DoStreamDemo7(wxCommandEvent& WXUNUSED(event))
+{
+    wxTextCtrl& textCtrl = * GetTextCtrl();
+
+    textCtrl.Clear();
+    textCtrl.WriteText( "\nTesting Ungetch() in buffered input stream:\n\n" );
+    
+    char ch = 0;
+    size_t pos = 0;
+    wxString str;
+
+    textCtrl.WriteText( "Writing number 0 to 9 to wxFileOutputStream...\n\n" );
+
+    wxFileOutputStream file_output( wxString("test_wx.dat") );
+    for (ch = 0; ch < 10; ch++)
+        file_output.Write( &ch, 1 );
+        
+    file_output.Sync();
+    
+    textCtrl.WriteText( "Reading char from wxBufferedInputStream via wxFileInputStream:\n\n" );
+
+    wxFileInputStream file_input( wxString("test_wx.dat") );
+    wxBufferedInputStream buf_input( file_input );
+    
+    ch = buf_input.GetC();
+    pos = buf_input.TellI();
+    str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+    textCtrl.WriteText( str );
+    
+    textCtrl.WriteText( "Reading another char from wxBufferedInputStream:\n\n" );
+
+    ch = buf_input.GetC();
+    pos = buf_input.TellI();
+    str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+    textCtrl.WriteText( str );
+    
+    textCtrl.WriteText( "Reading yet another char from wxBufferedInputStream:\n\n" );
+
+    ch = buf_input.GetC();
+    pos = buf_input.TellI();
+    str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+    textCtrl.WriteText( str );
+    
+    textCtrl.WriteText( "Now calling Ungetch( 5 ) from wxBufferedInputStream...\n\n" );
+
+    buf_input.Ungetch( 5 );
+    pos = buf_input.TellI();
+    str.Printf( wxT("Now at position %d\n\n"), (int) pos );
+    textCtrl.WriteText( str );
+    
+    textCtrl.WriteText( "Reading char from wxBufferedInputStream:\n\n" );
+
+    ch = buf_input.GetC();
+    pos = buf_input.TellI();
+    str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+    textCtrl.WriteText( str );
+    
+    textCtrl.WriteText( "Reading another char from wxBufferedInputStream:\n\n" );
+
+    ch = buf_input.GetC();
+    pos = buf_input.TellI();
+    str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+    textCtrl.WriteText( str );
+    
+    textCtrl.WriteText( "Now calling Ungetch( 5 ) from wxBufferedInputStream again...\n\n" );
+
+    buf_input.Ungetch( 5 );
+    pos = buf_input.TellI();
+    str.Printf( wxT("Now at position %d\n\n"), (int) pos );
+    textCtrl.WriteText( str );
+    
+    textCtrl.WriteText( "Seeking to pos 3 in wxBufferedInputStream. This invalidates the writeback buffer.\n\n" );
+    
+    buf_input.SeekI( 3 );
+
+    ch = buf_input.GetC();
+    pos = buf_input.TellI();
+    str.Printf( wxT("Read char: %d. Now at position %d\n\n"), (int) ch, (int) pos );
+    textCtrl.WriteText( str );
+}
+
 #if wxUSE_UNICODE
 void MyApp::DoUnicodeDemo(wxCommandEvent& WXUNUSED(event))
 {

diff --git a/samples/typetest/typetest.h b/samples/typetest/typetest.h
index 2fa8ab0e0cc2834bebb4bca6bd93bd3b0afd2583..2c60f5442453e581b1e291078acf270f224fcecf 100644 (file)
--- a/samples/typetest/typetest.h
+++ b/samples/typetest/typetest.h
@@ -36,6 +36,8 @@ public:
     void DoStreamDemo3(wxCommandEvent& event);
     void DoStreamDemo4(wxCommandEvent& event);
     void DoStreamDemo5(wxCommandEvent& event);
+    void DoStreamDemo6(wxCommandEvent& event);
+    void DoStreamDemo7(wxCommandEvent& event);
 #if wxUSE_UNICODE
     void DoUnicodeDemo(wxCommandEvent& event);
 #endif // wxUSE_UNICODE
@@ -84,6 +86,8 @@ enum
     TYPES_STREAM3,
     TYPES_STREAM4,
     TYPES_STREAM5,
+    TYPES_STREAM6,
+    TYPES_STREAM7,
     TYPES_MIME
 };