applied rest of streams test suite patch
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@26863 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
@@ -29,6 +29,8 @@
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#include "wx/wfstream.h"
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#include "wx/mstream.h"
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#include "wx/txtstrm.h"
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#include "bstream.h"
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using namespace std;
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@@ -86,6 +88,9 @@ public:
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WXTEST_WITH_GZIP_CONDITION(TestStream_ZLibGZip);
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CPPUNIT_TEST(Decompress_BadData);
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CPPUNIT_TEST(Decompress_wx24Data);
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CPPUNIT_TEST(Decompress_wx251_zlib114_Data_NoHeader);
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CPPUNIT_TEST(Decompress_wx251_zlib114_Data_ZLib);
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WXTEST_WITH_GZIP_CONDITION(Decompress_gzip135Data);
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CPPUNIT_TEST_SUITE_END();
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protected:
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@@ -105,14 +110,19 @@ protected:
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void TestStream_ZLibGZip();
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// Try to decompress bad data.
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void Decompress_BadData();
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// Decompress a data file created with wx 2.4.
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// Decompress data that was compress by an external app.
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// (like test wx 2.4.2, 2.5.1 and gzip data)
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// Note: This test is limited in testing range!
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void Decompress_wx24Data();
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void Decompress_wx251_zlib114_Data_NoHeader();
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void Decompress_wx251_zlib114_Data_ZLib();
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void Decompress_gzip135Data();
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private:
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private:
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const char *GetDataBuffer();
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const unsigned char *GetCompressedData();
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void doTestStreamData(int input_flag, int output_flag, int compress_level);
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void doDecompress_ExternalData(const unsigned char *data, const char *value, size_t data_size, size_t value_size, int flag = wxZLIB_AUTO);
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private:
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// Implement base class functions.
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@@ -121,6 +131,10 @@ private:
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virtual void DoDeleteInStream();
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virtual void DoDeleteOutStream();
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// Helper that can be used to create new wx compatibility tests...
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// Otherwise not used by the tests.
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void genExtTestData(wxTextOutputStream &out, const char *buf, int flag);
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private:
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char m_DataBuffer[DATABUFFER_SIZE];
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size_t m_SizeCompressedData;
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@@ -144,6 +158,16 @@ zlibStream::zlibStream()
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// Set extra base config settings.
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m_bSimpleTellITest = true;
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m_bSimpleTellOTest = true;
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/* Example code on how to produce test data...
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{
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wxFFileOutputStream fstream_out(_T("gentest.cpp"));
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wxTextOutputStream out( fstream_out );
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genExtTestData(out, "zlib data created with wxWidgets 2.5.x [March 27], wxZLIB_NO_HEADER, zlib 1.1.4", wxZLIB_NO_HEADER);
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genExtTestData(out, "zlib data created with wxWidgets 2.5.x [March 27], wxZLIB_ZLIB, zlib 1.1.4", wxZLIB_ZLIB);
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}
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*/
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}
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zlibStream::~zlibStream()
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@@ -209,8 +233,8 @@ void zlibStream::TestStream_ZLibGZip()
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{
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// Only use default compression level, as this test is
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// for testing if the streams can determine the stream type info them self...
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doTestStreamData(wxZLIB_ZLIB|wxZLIB_GZIP, wxZLIB_ZLIB, wxZ_DEFAULT_COMPRESSION);
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doTestStreamData(wxZLIB_ZLIB|wxZLIB_GZIP, wxZLIB_GZIP, wxZ_DEFAULT_COMPRESSION);
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doTestStreamData(wxZLIB_AUTO, wxZLIB_ZLIB, wxZ_DEFAULT_COMPRESSION);
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doTestStreamData(wxZLIB_AUTO, wxZLIB_GZIP, wxZ_DEFAULT_COMPRESSION);
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}
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void zlibStream::Decompress_BadData()
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@@ -239,50 +263,42 @@ void zlibStream::Decompress_wx24Data()
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const char *wx24_value = "Hello world";
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// Size of the value and date items.
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const size_t data_size = sizeof(wx24_data);
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const size_t value_size = strlen(wx24_value);
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const size_t value_size = strlen(wx24_value) + 1; // +1 because the wx24 app also did this.
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const unsigned char *buf = GetCompressedData();
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m_pTmpMemInStream = new wxMemoryInputStream(buf, m_SizeCompressedData);
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// Perform a generic data test on the data.
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doDecompress_ExternalData(wx24_data, wx24_value, data_size, value_size, wxZLIB_24COMPATIBLE);
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}
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wxMemoryInputStream memstream_in(wx24_data, data_size);
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CPPUNIT_ASSERT(memstream_in.IsOk());
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wxZlibInputStream zstream_in(memstream_in);
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CPPUNIT_ASSERT(zstream_in.IsOk());
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void zlibStream::Decompress_wx251_zlib114_Data_NoHeader()
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{
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const unsigned char data[] = {171,202,201,76,82,72,73,44,73,84,72,46,74,77,44,73,77,81,40,207,44,201,80,40,175,8,207,76,73,79,45,41,86,48,210,51,213,171,80,136,246,77,44,74,206,80,48,50,143,213,1,202,69,249,120,58,197,251,249,199,123,184,58,186,184,6,233,40,84,129,12,49,212,51,212,51,1,0,32};
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const char *value = "zlib data created with wxWidgets 2.5.x [March 27], wxZLIB_NO_HEADER, zlib 1.1.4";
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const size_t data_size = sizeof(data);
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const size_t value_size = strlen(value);
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// We need to specify wxZLIB_NO_HEADER because wxZLIB_AUTO can't find it his self.
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doDecompress_ExternalData(data, value, data_size, value_size, wxZLIB_NO_HEADER);
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}
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size_t i;
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for (i = 0; !zstream_in.Eof(); i++)
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{
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char last_value = zstream_in.GetC();
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if (last_value != wx24_value[i])
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break;
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void zlibStream::Decompress_wx251_zlib114_Data_ZLib()
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{
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const unsigned char data[] = {120,156,171,202,201,76,82,72,73,44,73,84,72,46,74,77,44,73,77,81,40,207,44,201,80,40,175,8,207,76,73,79,45,41,86,48,210,51,213,171,80,136,246,77,44,74,206,80,48,50,143,213,1,202,69,249,120,58,197,131,8,29,133,42,144,126,67,61,67,61,19,0,191,86,23,216};
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const char *value = "zlib data created with wxWidgets 2.5.x [March 27], wxZLIB_ZLIB, zlib 1.1.4";
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const size_t data_size = sizeof(data);
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const size_t value_size = strlen(value);
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doDecompress_ExternalData(data, value, data_size, value_size);
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}
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// Don't go over the end of the value buffer...
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if (wx24_value[i] == '\0')
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{
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// And if we do then try to see how long the stream actually is.
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for (/* nothing */; !zstream_in.Eof(); i++)
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{
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// Move one item along in the stream.
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(void)zstream_in.GetC();
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// Check if we are in an infinite loop by multiplying value_size
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// by 5 to have a *much* bigger range then the real range.
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// Note: Incase you ask your self, why 5, the answer is no reason...
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// it is not to big and not to small a size, nothing more
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// nothing less to it.
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if (i > (value_size*5))
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{
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// Note: Please make sure Input_Eof test passed.
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CPPUNIT_FAIL("Infinite stream detected, breaking the infinite loop");
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return;
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}
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}
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void zlibStream::Decompress_gzip135Data()
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{
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// Compressed data was on the command line with gzip 1.3.5.
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const unsigned char gzip135_data[] = {31,139,8,0,177,248,112,64,4,3,115,206,207,45,40,74,45,46,78,77,81,72,73,44,73,84,72,46,74,77,44,1,114,202,51,75,50,20,220,253,66,21,210,171,50,11,20,12,245,140,245,76,185,0,1,107,16,80,44,0,0,0,0};
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const char *gzip135_value = "Compressed data created with GNU gzip 1.3.5\n";
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// Size of the value and date items.
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const size_t data_size = sizeof(gzip135_data);
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const size_t value_size = strlen(gzip135_value);
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break;
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}
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}
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CPPUNIT_ASSERT_MESSAGE("Could not decompress data that was compressed with wxWidgets 2.4.x", i == (value_size + 1));
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// Perform a generic data test on the data.
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doDecompress_ExternalData(gzip135_data, gzip135_value, data_size, value_size);
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}
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const char *zlibStream::GetDataBuffer()
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@@ -294,7 +310,6 @@ const unsigned char *zlibStream::GetCompressedData()
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{
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if (!m_pCompressedData)
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{
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#if 1
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// Construct the compressed data live.
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wxMemoryOutputStream memstream_out;
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{
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@@ -307,13 +322,6 @@ const unsigned char *zlibStream::GetCompressedData()
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m_SizeCompressedData = memstream_out.GetSize();
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m_pCompressedData = new unsigned char[m_SizeCompressedData];
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memstream_out.CopyTo(m_pCompressedData, m_SizeCompressedData);
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#else
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// Or use recorded compressed data.
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const unsigned char tmp[] = {120,218,51,48,52,50,54,49,53,51,183,176,52,32,142,197,0,0,3,229,10,9,0};
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m_SizeCompressedData = sizeof(tmp);
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m_pCompressedData = new unsigned char[m_SizeCompressedData+1];
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memcpy(m_pCompressedData, tmp, m_SizeCompressedData);
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#endif
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}
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CPPUNIT_ASSERT(m_pCompressedData != NULL);
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@@ -329,17 +337,17 @@ void zlibStream::doTestStreamData(int input_flag, int output_flag, int compress_
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{ // Part one: Create a compressed file.
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wxFileOutputStream fstream_out(FILENAME_GZ);
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CPPUNIT_ASSERT(fstream_out.IsOk());
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wxZlibOutputStream zstream_out(fstream_out, compress_level, output_flag);
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if (!zstream_out.IsOk())
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{
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if (output_flag == wxZLIB_GZIP)
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CPPUNIT_FAIL("Could not create the gzip output stream. Note: gzip requires zlib 1.2+!");
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else
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CPPUNIT_FAIL("Could not create the output stream");
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wxZlibOutputStream zstream_out(fstream_out, compress_level, output_flag);
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CPPUNIT_ASSERT_MESSAGE("Could not create the output stream", zstream_out.IsOk());
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// Next: Compress some data so the file is containing something.
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zstream_out.Write(GetDataBuffer(), DATABUFFER_SIZE);
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}
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// Next: Compress some data so the file is containing something.
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zstream_out.Write(GetDataBuffer(), DATABUFFER_SIZE);
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// Next thing is required by zlib versions pre 1.2.0.
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if (input_flag == wxZLIB_NO_HEADER)
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fstream_out.PutC(' ');
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}
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{ // Part two: Verify that the compressed data when uncompressed
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@@ -354,7 +362,8 @@ void zlibStream::doTestStreamData(int input_flag, int output_flag, int compress_
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for (fail_pos = 0; !zstream_in.Eof(); fail_pos++)
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{
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last_value = zstream_in.GetC();
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if (last_value != pbuf[fail_pos])
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if (zstream_in.LastRead() != 1 ||
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last_value != pbuf[fail_pos])
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break;
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}
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@@ -373,6 +382,96 @@ void zlibStream::doTestStreamData(int input_flag, int output_flag, int compress_
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}
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}
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void zlibStream::doDecompress_ExternalData(const unsigned char *data, const char *value, size_t data_size, size_t value_size, int flag)
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{
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// See that the input is ok.
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wxASSERT(data != NULL);
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wxASSERT(value != NULL);
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wxASSERT(data_size > 0);
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wxASSERT(value_size > 0);
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// Quickly try to see if the data is valid.
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switch (flag)
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{
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case wxZLIB_NO_HEADER:
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break;
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case wxZLIB_24COMPATIBLE:
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case wxZLIB_ZLIB:
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if (!(data_size >= 1 && data[0] == 0x78))
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wxLogError(_T("zlib data seems to not be zlib data!"));
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break;
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case wxZLIB_GZIP:
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if (!(data_size >= 2 && data[0] == 0x1F && data[1] == 0x8B))
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wxLogError(_T("gzip data seems to not be gzip data!"));
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break;
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case wxZLIB_AUTO:
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if (!(data_size >= 1 && data[0] == 0x78) ||
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!(data_size >= 2 && data[0] == 0x1F && data[1] == 0x8B))
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wxLogError(_T("Data seems to not be zlib or gzip data!"));
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default:
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wxLogError(_T("Unknown flag, skipping quick test."));
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};
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// Creat the needed streams.
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wxMemoryInputStream memstream_in(data, data_size);
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CPPUNIT_ASSERT(memstream_in.IsOk());
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wxZlibInputStream zstream_in(memstream_in, flag);
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CPPUNIT_ASSERT(zstream_in.IsOk());
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bool bValueEq = true;
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size_t i;
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for (i = 0; !zstream_in.Eof(); i++)
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{
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char last_value = zstream_in.GetC();
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// First check if it is a valid read.
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if (zstream_in.LastRead() == 1)
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{
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// Check the values
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if (last_value != value[i])
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{
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bValueEq = false;
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break;
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}
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}
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else
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{
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// If the read failed and turned the stream to Eof we stop reading.
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if (zstream_in.Eof())
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break;
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CPPUNIT_ASSERT_MESSAGE("Stream is no longer ok!", zstream_in.IsOk());
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}
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// Don't go over the end of the value buffer...
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if (i == value_size)
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{
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// And if we do then try to see how long the stream actually is.
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while (!zstream_in.Eof())
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{
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// Move one item along in the stream.
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(void)zstream_in.GetC();
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i++;
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// Check if we are in an infinite loop by multiplying value_size
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// by 5 to have a *much* bigger range then the real range.
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// Note: Incase you ask your self, why 5, the answer is no reason...
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// it is not to big and not to small a size, nothing more
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// nothing less to it.
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if (i > (value_size*5))
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{
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// Note: Please make sure Input_Eof test passed.
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CPPUNIT_FAIL("Infinite stream detected, breaking the infinite loop");
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return;
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}
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}
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}
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}
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CPPUNIT_ASSERT_MESSAGE("Could not decompress the compressed data, original and restored value did not match.",
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i == value_size && bValueEq);
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}
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wxZlibInputStream *zlibStream::DoCreateInStream()
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{
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const unsigned char *buf = GetCompressedData();
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@@ -401,6 +500,48 @@ void zlibStream::DoDeleteOutStream()
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m_pTmpMemOutStream = NULL;
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}
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void zlibStream::genExtTestData(wxTextOutputStream &out, const char *buf, int flag)
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{
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unsigned char *data = NULL;
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size_t size = 0;
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{ // Gen data
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wxMemoryOutputStream memstream_out;
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{
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wxZlibOutputStream zstream_out(memstream_out, wxZ_DEFAULT_COMPRESSION, flag);
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zstream_out.Write(buf, strlen(buf));
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}
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if (flag == wxZLIB_NO_HEADER)
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memstream_out.PutC(' ');
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size = memstream_out.GetSize();
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data = new unsigned char[size];
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memstream_out.CopyTo(data, size);
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}
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out << _T("void zlibStream::Decompress_wxXXXData()") << _T("\n");
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out << _T("{") << _T("\n") << _T(" const unsigned char data[] = {");
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size_t i;
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for (i = 0; i < size; i++)
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{
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if (i+1 != size)
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out << wxString::Format(_T("%d,"), data[i]);
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else
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out << wxString::Format(_T("%d"), data[i]);
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}
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delete [] data;
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out << _T("};") << _T("\n");
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out << _T(" const char *value = \"") << wxString(buf, wxConvUTF8) << _T("\";") << _T("\n");
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out << _T(" const size_t data_size = sizeof(data);") << _T("\n");
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out << _T(" const size_t value_size = strlen(value);") << _T("\n");
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out << _T(" doDecompress_ExternalData(data, value, data_size, value_size);") << _T("\n");
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out << _T("}") << _T("\n");
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}
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// Register the stream sub suite, by using some stream helper macro.
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// Note: Don't forget to connect it to the base suite (See: bstream.cpp => StreamCase::suite())
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STREAM_TEST_SUBSUITE_NAMED_REGISTRATION(zlibStream)
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