memory2buffertest.h

00001 /***************************************************************************
00002 *   Copyright (C) 2001 by Rick L. Vinyard, Jr.                            *
00003 *   rvinyard@cs.nmsu.edu                                                  *
00004 *                                                                         *
00005 *   This program is free software; you can redistribute it and/or modify  *
00006 *   it under the terms of the GNU Lesser General Public License as        *
00007 *   published by the Free Software Foundation version 2.1.                *
00008 *                                                                         *
00009 *   This program is distributed in the hope that it will be useful,       *
00010 *   but WITHOUT ANY WARRANTY; without even the implied warranty of        *
00011 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the         *
00012 *   GNU General Public License for more details.                          *
00013 *                                                                         *
00014 *   You should have received a copy of the GNU Lesser General Public      *
00015 *   License along with this library; if not, write to the                 *
00016 *   Free Software Foundation, Inc.,                                       *
00017 *   51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA              *
00018 ***************************************************************************/
00019 #ifndef MEMORY2BUFFERTEST_H
00020 #define MEMORY2BUFFERTEST_H
00021 
00022 #include <bit/bit.h>
00023 #include <cppunit/TestFixture.h>
00024 
00025 using namespace bit;
00026 
00027 class Memory2BufferTest : public  CppUnit::TestFixture {
00028   public:
00029 
00030     CPPUNIT_TEST_SUITE( Memory2BufferTest );
00031 
00032     CPPUNIT_TEST( end_partial_octet_ends_on_first_octet_boundary );
00033     CPPUNIT_TEST( end_partial_octet_ends_on_second_octet_boundary );
00034     CPPUNIT_TEST( end_whole_octet_ends_on_first_octet_boundary );
00035     CPPUNIT_TEST( end_whole_octet_ends_on_second_octet_boundary );
00036     CPPUNIT_TEST( end_three_bits_ends_on_first_octet_boundary );
00037     CPPUNIT_TEST( end_three_bits_ends_on_second_octet_boundary );
00038     CPPUNIT_TEST( end_two_mid_octets );
00039     CPPUNIT_TEST( end_two_mid_octet_bits );
00040     CPPUNIT_TEST( end_two_bits_into_mid_octet );
00041     CPPUNIT_TEST( end_spanning_octets );
00042     CPPUNIT_TEST( end_spanning_octets2 );
00043     CPPUNIT_TEST( start_partial_octet_ends_on_first_octet_boundary );
00044     CPPUNIT_TEST( start_partial_octet_ends_on_second_octet_boundary );
00045     CPPUNIT_TEST( start_whole_octet_ends_on_first_octet_boundary );
00046     CPPUNIT_TEST( start_whole_octet_ends_on_second_octet_boundary );
00047     CPPUNIT_TEST( start_three_bits_ends_on_first_octet_boundary );
00048     CPPUNIT_TEST( start_three_bits_ends_on_second_octet_boundary );
00049     CPPUNIT_TEST( start_two_mid_octets );
00050     CPPUNIT_TEST( start_two_mid_octet_bits );
00051     CPPUNIT_TEST( start_two_bits_into_mid_octet );
00052     CPPUNIT_TEST( start_spanning_octets );
00053     CPPUNIT_TEST( start_spanning_octets2 );
00054 
00055     CPPUNIT_TEST( data_end_partial_octet_ends_on_first_octet_boundary );
00056     CPPUNIT_TEST( data_end_partial_octet_ends_on_second_octet_boundary );
00057     CPPUNIT_TEST( data_end_whole_octet_ends_on_first_octet_boundary );
00058     CPPUNIT_TEST( data_end_whole_octet_ends_on_second_octet_boundary );
00059     CPPUNIT_TEST( data_end_three_bits_ends_on_first_octet_boundary );
00060     CPPUNIT_TEST( data_end_three_bits_ends_on_second_octet_boundary );
00061     CPPUNIT_TEST( data_end_two_mid_octets );
00062     CPPUNIT_TEST( data_end_two_mid_octet_bits );
00063     CPPUNIT_TEST( data_end_two_bits_into_mid_octet );
00064     CPPUNIT_TEST( data_end_spanning_octets );
00065     CPPUNIT_TEST( data_end_spanning_octets2 );
00066     CPPUNIT_TEST( data_start_partial_octet_ends_on_first_octet_boundary );
00067     CPPUNIT_TEST( data_start_partial_octet_ends_on_second_octet_boundary );
00068     CPPUNIT_TEST( data_start_whole_octet_ends_on_first_octet_boundary );
00069     CPPUNIT_TEST( data_start_whole_octet_ends_on_second_octet_boundary );
00070     CPPUNIT_TEST( data_start_three_bits_ends_on_first_octet_boundary );
00071     CPPUNIT_TEST( data_start_three_bits_ends_on_second_octet_boundary );
00072     CPPUNIT_TEST( data_start_two_mid_octets );
00073     CPPUNIT_TEST( data_start_two_mid_octet_bits );
00074     CPPUNIT_TEST( data_start_two_bits_into_mid_octet );
00075     CPPUNIT_TEST( data_start_spanning_octets );
00076     CPPUNIT_TEST( data_start_spanning_octets2 );
00077 
00078   CPPUNIT_TEST_SUITE_END();
00079 
00080   public:
00081     void setUp() { }
00082 
00083     void tearDown() { }
00084 
00085     void end_partial_octet_ends_on_first_octet_boundary()    { CPPUNIT_ASSERT( 0x1F345678 == mem2buf( 0x89ABCDEF, 4, 4, 4)); }
00086     void end_partial_octet_ends_on_second_octet_boundary()   { CPPUNIT_ASSERT( 0x123F5678 == mem2buf( 0x89ABCDEF, 12, 4, 4));}
00087     void end_whole_octet_ends_on_first_octet_boundary()      { CPPUNIT_ASSERT( 0xEF345678 == mem2buf( 0x89ABCDEF, 0, 8, 8));}
00088     void end_whole_octet_ends_on_second_octet_boundary()     { CPPUNIT_ASSERT( 0x12EF5678 == mem2buf( 0x89ABCDEF, 8, 8, 8));}
00089     void end_three_bits_ends_on_first_octet_boundary()       { CPPUNIT_ASSERT( 0x17345678 == mem2buf( 0x89ABCDEF, 5, 3, 3));}
00090     void end_three_bits_ends_on_second_octet_boundary()      { CPPUNIT_ASSERT( 0x12375678 == mem2buf( 0x89ABCDEF, 13, 3, 3));}
00091     void end_two_mid_octets()                                { CPPUNIT_ASSERT( 0x1CDEF678 == mem2buf( 0x89ABCDEF, 4, 16, 16));}
00092     void end_two_mid_octet_bits()                            { CPPUNIT_ASSERT( 0x16345678 == mem2buf( 0x89ABCDEF, 5, 2, 2));}
00093     void end_two_bits_into_mid_octet()                       { CPPUNIT_ASSERT( 0x0e345678 == mem2buf( 0x89ABCDEF, 2, 4, 2));}
00094     void end_spanning_octets()                               { CPPUNIT_ASSERT( 0x12BCDEF8 == mem2buf( 0x89ABCDEF, 8, 20, 20));}
00095     void end_spanning_octets2()                              { CPPUNIT_ASSERT( 0x1ABCDEF8 == mem2buf( 0x89ABCDEF, 4, 24, 24));}
00096 
00097     void start_partial_octet_ends_on_first_octet_boundary()  { CPPUNIT_ASSERT( 0x18345678 == mem2buf( 0x89ABCDEF, 4, 4, 4, START)); }
00098     void start_partial_octet_ends_on_second_octet_boundary() { CPPUNIT_ASSERT( 0x12385678 == mem2buf( 0x89ABCDEF, 12, 4, 4, START));}
00099     void start_whole_octet_ends_on_first_octet_boundary()    { CPPUNIT_ASSERT( 0x89345678 == mem2buf( 0x89ABCDEF, 0, 8, 8, START));}
00100     void start_whole_octet_ends_on_second_octet_boundary()   { CPPUNIT_ASSERT( 0x12895678 == mem2buf( 0x89ABCDEF, 8, 8, 8, START));}
00101     void start_three_bits_ends_on_first_octet_boundary()     { CPPUNIT_ASSERT( 0x14345678 == mem2buf( 0x89ABCDEF, 5, 3, 3, START));}
00102     void start_three_bits_ends_on_second_octet_boundary()    { CPPUNIT_ASSERT( 0x12355678 == mem2buf( 0xA9ABCDEF, 13, 3, 3, START));}
00103     void start_two_mid_octets()                              { CPPUNIT_ASSERT( 0x189AB678 == mem2buf( 0x89ABCDEF, 4, 16, 16, START));}
00104     void start_two_mid_octet_bits()                          { CPPUNIT_ASSERT( 0x16345678 == mem2buf( 0xC9ABCDEF, 5, 2, 2, START));}
00105     void start_two_bits_into_mid_octet()                     { CPPUNIT_ASSERT( 0x0A345678 == mem2buf( 0x89ABCDEF, 2, 4, 2, START));}
00106     void start_spanning_octets()                             { CPPUNIT_ASSERT( 0x1289ABC8 == mem2buf( 0x89ABCDEF, 8, 20, 20, START));}
00107     void start_spanning_octets2()                            { CPPUNIT_ASSERT( 0x189ABCD8 == mem2buf( 0x89ABCDEF, 4, 24, 24, START));}
00108 
00109     uint32_t mem2buf(uint32_t value, size_t offset, size_t destsize, size_t extract, Location loc=END) {
00110       Buffer::pointer b = Buffer::create();
00111       uint32_t buf=0x12345678;
00112       value = host_to_be(value);
00113       buf = host_to_be(buf);
00114       b->set_data(&buf, sizeof(buf));
00115       b->pack(&value, sizeof(value), loc, offset, destsize, extract);
00116       buf = *((uint32_t*)b->data());
00117       buf = be_to_host(buf);
00118 //       std::cout << " 0x" << std::hex << buf << std::dec << "  ";
00119       return buf;
00120     }
00121 
00122 
00123   void data_end_partial_octet_ends_on_first_octet_boundary()    { CPPUNIT_ASSERT( 0x1F345678 == data_mem2buf( 0x89ABCDEF, 4, 4, 4)); }
00124   void data_end_partial_octet_ends_on_second_octet_boundary()   { CPPUNIT_ASSERT( 0x123F5678 == data_mem2buf( 0x89ABCDEF, 12, 4, 4));}
00125   void data_end_whole_octet_ends_on_first_octet_boundary()      { CPPUNIT_ASSERT( 0xEF345678 == data_mem2buf( 0x89ABCDEF, 0, 8, 8));}
00126   void data_end_whole_octet_ends_on_second_octet_boundary()     { CPPUNIT_ASSERT( 0x12EF5678 == data_mem2buf( 0x89ABCDEF, 8, 8, 8));}
00127   void data_end_three_bits_ends_on_first_octet_boundary()       { CPPUNIT_ASSERT( 0x17345678 == data_mem2buf( 0x89ABCDEF, 5, 3, 3));}
00128   void data_end_three_bits_ends_on_second_octet_boundary()      { CPPUNIT_ASSERT( 0x12375678 == data_mem2buf( 0x89ABCDEF, 13, 3, 3));}
00129   void data_end_two_mid_octets()                                { CPPUNIT_ASSERT( 0x1CDEF678 == data_mem2buf( 0x89ABCDEF, 4, 16, 16));}
00130   void data_end_two_mid_octet_bits()                            { CPPUNIT_ASSERT( 0x16345678 == data_mem2buf( 0x89ABCDEF, 5, 2, 2));}
00131   void data_end_two_bits_into_mid_octet()                       { CPPUNIT_ASSERT( 0x0e345678 == data_mem2buf( 0x89ABCDEF, 2, 4, 2));}
00132   void data_end_spanning_octets()                               { CPPUNIT_ASSERT( 0x12BCDEF8 == data_mem2buf( 0x89ABCDEF, 8, 20, 20));}
00133   void data_end_spanning_octets2()                              { CPPUNIT_ASSERT( 0x1ABCDEF8 == data_mem2buf( 0x89ABCDEF, 4, 24, 24));}
00134 
00135   void data_start_partial_octet_ends_on_first_octet_boundary()  { CPPUNIT_ASSERT( 0x18345678 == data_mem2buf( 0x89ABCDEF, 4, 4, 4, START)); }
00136   void data_start_partial_octet_ends_on_second_octet_boundary() { CPPUNIT_ASSERT( 0x12385678 == data_mem2buf( 0x89ABCDEF, 12, 4, 4, START));}
00137   void data_start_whole_octet_ends_on_first_octet_boundary()    { CPPUNIT_ASSERT( 0x89345678 == data_mem2buf( 0x89ABCDEF, 0, 8, 8, START));}
00138   void data_start_whole_octet_ends_on_second_octet_boundary()   { CPPUNIT_ASSERT( 0x12895678 == data_mem2buf( 0x89ABCDEF, 8, 8, 8, START));}
00139   void data_start_three_bits_ends_on_first_octet_boundary()     { CPPUNIT_ASSERT( 0x14345678 == data_mem2buf( 0x89ABCDEF, 5, 3, 3, START));}
00140   void data_start_three_bits_ends_on_second_octet_boundary()    { CPPUNIT_ASSERT( 0x12355678 == data_mem2buf( 0xA9ABCDEF, 13, 3, 3, START));}
00141   void data_start_two_mid_octets()                              { CPPUNIT_ASSERT( 0x189AB678 == data_mem2buf( 0x89ABCDEF, 4, 16, 16, START));}
00142   void data_start_two_mid_octet_bits()                          { CPPUNIT_ASSERT( 0x16345678 == data_mem2buf( 0xC9ABCDEF, 5, 2, 2, START));}
00143   void data_start_two_bits_into_mid_octet()                     { CPPUNIT_ASSERT( 0x0A345678 == data_mem2buf( 0x89ABCDEF, 2, 4, 2, START));}
00144   void data_start_spanning_octets()                             { CPPUNIT_ASSERT( 0x1289ABC8 == data_mem2buf( 0x89ABCDEF, 8, 20, 20, START));}
00145   void data_start_spanning_octets2()                            { CPPUNIT_ASSERT( 0x189ABCD8 == data_mem2buf( 0x89ABCDEF, 4, 24, 24, START));}
00146 
00147   uint32_t data_mem2buf(uint32_t value, size_t offset, size_t destsize, size_t extract, Location loc=END) {
00148     Buffer::pointer b = Buffer::create();
00149     Data d(sizeof(value));
00150     uint32_t buf=0x12345678;
00151     value = host_to_be(value);
00152     memcpy( d.data(), &value, sizeof(value) );
00153     buf = host_to_be(buf);
00154     b->set_data(&buf, sizeof(buf));
00155     b->pack(d, offset, destsize, extract, loc);
00156     buf = *((uint32_t*)b->data());
00157     buf = be_to_host(buf);
00158     return buf;
00159   }
00160 
00161 };
00162 
00163 #endif

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