OpenWalnut
1.4.0
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00001 //--------------------------------------------------------------------------- 00002 // 00003 // Project: OpenWalnut ( http://www.openwalnut.org ) 00004 // 00005 // Copyright 2009 OpenWalnut Community, BSV@Uni-Leipzig and CNCF@MPI-CBS 00006 // For more information see http://www.openwalnut.org/copying 00007 // 00008 // This file is part of OpenWalnut. 00009 // 00010 // OpenWalnut is free software: you can redistribute it and/or modify 00011 // it under the terms of the GNU Lesser General Public License as published by 00012 // the Free Software Foundation, either version 3 of the License, or 00013 // (at your option) any later version. 00014 // 00015 // OpenWalnut is distributed in the hope that it will be useful, 00016 // but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 00018 // GNU Lesser General Public License for more details. 00019 // 00020 // You should have received a copy of the GNU Lesser General Public License 00021 // along with OpenWalnut. If not, see <http://www.gnu.org/licenses/>. 00022 // 00023 //--------------------------------------------------------------------------- 00024 00025 #ifndef WIOTOOLS_TEST_H 00026 #define WIOTOOLS_TEST_H 00027 00028 #include <string> 00029 #include <fstream> 00030 00031 #include <cxxtest/TestSuite.h> 00032 00033 #include "../WIOTools.h" 00034 00035 /** 00036 * Unit test WIOTools functions. 00037 */ 00038 class WIOToolsTest : public CxxTest::TestSuite 00039 { 00040 public: 00041 /** 00042 * When switching byte order, the first and last bytes should be swapped 00043 * and the bytes inbetween too. 00044 */ 00045 void testByteOrderSwitching( void ) 00046 { 00047 uint32_t x = 1; 00048 TS_ASSERT_EQUALS( x, 1 ); 00049 x = switchByteOrder( x ); 00050 TS_ASSERT_EQUALS( x, 16777216 ); 00051 x = switchByteOrder( x ); 00052 TS_ASSERT_EQUALS( x, 1 ); 00053 } 00054 00055 /** 00056 * Since templates should work on multiple types we just use double here. 00057 */ 00058 void testByteOrderSwitchingOnFloats( void ) 00059 { 00060 double x = 3.141592653589793238462643383279502884197169399375105820974; 00061 double original = x; 00062 x = switchByteOrder( x ); 00063 TS_ASSERT_DIFFERS( x, original ); 00064 x = switchByteOrder( x ); 00065 TS_ASSERT_EQUALS( x, original ); 00066 } 00067 00068 /** 00069 * On single bytes we should do nothing. 00070 */ 00071 void testByteOrderSwitchingOnSingleBytes( void ) 00072 { 00073 char x = 1; 00074 TS_ASSERT_EQUALS( switchByteOrder( x ), x ); 00075 } 00076 00077 /** 00078 * When switching the byte order of an whole array every element should be 00079 * switched. 00080 */ 00081 void testByteOrderSwitchOnArray( void ) 00082 { 00083 uint32_t x[] = { 1, 16777216 }; 00084 switchByteOrderOfArray( x, 2 ); 00085 TS_ASSERT_EQUALS( x[0], 16777216 ); 00086 TS_ASSERT_EQUALS( x[1], 1 ); 00087 } 00088 00089 /** 00090 * Test reading a text file in a string. 00091 */ 00092 void testReadFileIntoString( void ) 00093 { 00094 std::string expected = "Hello Pansen!\r\n"; 00095 std::string actual = readFileIntoString( boost::filesystem::path( W_FIXTURE_PATH + "hello.world" ) ); 00096 TS_ASSERT_EQUALS( expected, actual ); 00097 } 00098 00099 /** 00100 * Writes a text file, and afterwards checks if its the same, by reading it. 00101 */ 00102 void testWriteStringIntoFile( void ) 00103 { 00104 std::string content = "Hello Pansen!\r\n"; 00105 boost::filesystem::path fpath = tempFilename(); 00106 writeStringIntoFile( fpath, content ); 00107 00108 std::ifstream input( fpath.string().c_str() ); 00109 std::string actual; 00110 actual.assign( ( std::istreambuf_iterator< char >( input ) ), std::istreambuf_iterator< char >() ); 00111 input.close(); 00112 TS_ASSERT_EQUALS( content, actual ); 00113 TS_ASSERT( boost::filesystem::exists( fpath ) ); 00114 boost::filesystem::remove( fpath ); 00115 } 00116 }; 00117 00118 #endif // WIOTOOLS_TEST_H