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150 lines
3.6 KiB
C++
150 lines
3.6 KiB
C++
// Boost static_log2.hpp test program --------------------------------------//
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// (C) Copyright Daryle Walker 2001.
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// Distributed under the Boost Software License, Version 1.0. (See
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// accompanying file LICENSE_1_0.txt or copy at
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// http://www.boost.org/LICENSE_1_0.txt)
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// See http://www.boost.org for most recent version including documentation.
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// Revision History
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// 01 Oct 2001 Initial version (Daryle Walker)
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#include <boost/detail/lightweight_test.hpp> // for main
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#include <boost/cstdlib.hpp> // for boost::exit_success
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#include <boost/integer/static_log2.hpp> // for boost::static_log2
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#include <iostream> // for std::cout (std::endl indirectly)
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// Macros to compact code
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#define PRIVATE_LB_TEST( v, e ) BOOST_TEST( ::boost::static_log2<v>::value == e )
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#define PRIVATE_PRINT_LB( v ) ::std::cout << "boost::static_log2<" << (v) \
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<< "> = " << ::boost::static_log2< (v) >::value << '.' << ::std::endl
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// Control to check for a compile-time error
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#ifndef CONTROL_LB_0_TEST
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#define PRIVATE_LB_0_TEST
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#else
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#define PRIVATE_LB_0_TEST PRIVATE_PRINT_LB( 0 )
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#endif
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// Main testing function
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int
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main
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(
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int , // "argc" is unused
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char * [] // "argv" is unused
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)
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{
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std::cout << "Doing tests on static_log2." << std::endl;
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PRIVATE_LB_0_TEST;
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PRIVATE_LB_TEST( 1, 0 );
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PRIVATE_LB_TEST( 2, 1 );
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PRIVATE_LB_TEST( 3, 1 );
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PRIVATE_LB_TEST( 4, 2 );
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PRIVATE_LB_TEST( 5, 2 );
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PRIVATE_LB_TEST( 6, 2 );
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PRIVATE_LB_TEST( 7, 2 );
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PRIVATE_LB_TEST( 8, 3 );
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PRIVATE_LB_TEST( 9, 3 );
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PRIVATE_LB_TEST( 10, 3 );
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PRIVATE_LB_TEST( 11, 3 );
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PRIVATE_LB_TEST( 12, 3 );
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PRIVATE_LB_TEST( 13, 3 );
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PRIVATE_LB_TEST( 14, 3 );
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PRIVATE_LB_TEST( 15, 3 );
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PRIVATE_LB_TEST( 16, 4 );
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PRIVATE_LB_TEST( 17, 4 );
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PRIVATE_LB_TEST( 18, 4 );
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PRIVATE_LB_TEST( 19, 4 );
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PRIVATE_LB_TEST( 20, 4 );
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PRIVATE_LB_TEST( 21, 4 );
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PRIVATE_LB_TEST( 22, 4 );
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PRIVATE_LB_TEST( 23, 4 );
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PRIVATE_LB_TEST( 24, 4 );
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PRIVATE_LB_TEST( 25, 4 );
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PRIVATE_LB_TEST( 26, 4 );
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PRIVATE_LB_TEST( 27, 4 );
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PRIVATE_LB_TEST( 28, 4 );
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PRIVATE_LB_TEST( 29, 4 );
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PRIVATE_LB_TEST( 30, 4 );
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PRIVATE_LB_TEST( 31, 4 );
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PRIVATE_LB_TEST( 32, 5 );
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PRIVATE_LB_TEST( 33, 5 );
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PRIVATE_LB_TEST( 34, 5 );
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PRIVATE_LB_TEST( 35, 5 );
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PRIVATE_LB_TEST( 36, 5 );
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PRIVATE_LB_TEST( 37, 5 );
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PRIVATE_LB_TEST( 38, 5 );
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PRIVATE_LB_TEST( 39, 5 );
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PRIVATE_LB_TEST( 40, 5 );
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PRIVATE_LB_TEST( 63, 5 );
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PRIVATE_LB_TEST( 64, 6 );
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PRIVATE_LB_TEST( 65, 6 );
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PRIVATE_LB_TEST( 127, 6 );
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PRIVATE_LB_TEST( 128, 7 );
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PRIVATE_LB_TEST( 129, 7 );
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PRIVATE_LB_TEST( 255, 7 );
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PRIVATE_LB_TEST( 256, 8 );
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PRIVATE_LB_TEST( 257, 8 );
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PRIVATE_LB_TEST( 511, 8 );
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PRIVATE_LB_TEST( 512, 9 );
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PRIVATE_LB_TEST( 513, 9 );
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PRIVATE_LB_TEST( 1023, 9 );
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PRIVATE_LB_TEST( 1024, 10 );
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PRIVATE_LB_TEST( 1025, 10 );
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PRIVATE_LB_TEST( 2047, 10 );
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PRIVATE_LB_TEST( 2048, 11 );
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PRIVATE_LB_TEST( 2049, 11 );
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PRIVATE_LB_TEST( 4095, 11 );
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PRIVATE_LB_TEST( 4096, 12 );
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PRIVATE_LB_TEST( 4097, 12 );
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PRIVATE_LB_TEST( 8191, 12 );
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PRIVATE_LB_TEST( 8192, 13 );
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PRIVATE_LB_TEST( 8193, 13 );
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PRIVATE_LB_TEST( 16383, 13 );
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PRIVATE_LB_TEST( 16384, 14 );
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PRIVATE_LB_TEST( 16385, 14 );
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PRIVATE_LB_TEST( 32767, 14 );
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PRIVATE_LB_TEST( 32768, 15 );
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PRIVATE_LB_TEST( 32769, 15 );
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PRIVATE_LB_TEST( 65535, 15 );
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PRIVATE_LB_TEST( 65536, 16 );
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PRIVATE_LB_TEST( 65537, 16 );
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return boost::report_errors();
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}
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