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@ -12,11 +12,12 @@
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// 10 Mar 01 Boost Test Library now used for tests (Beman Dawes)
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// 31 Aug 99 Initial version
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#include <boost/test/minimal.hpp> // for main, BOOST_CHECK
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#define BOOST_TEST_MODULE "Integer size-selection tests"
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#include <boost/test/unit_test.hpp> // unit testing framework
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#include <boost/config.hpp> // for BOOST_NO_USING_TEMPLATE
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#include <boost/cstdlib.hpp> // for boost::exit_success
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#include <boost/integer.hpp> // for boost::int_t, boost::uint_t
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#include <boost/integer.hpp> // for boost::int_t, boost::uint_t, etc.
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#include <climits> // for ULONG_MAX, LONG_MAX, LONG_MIN
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#include <iostream> // for std::cout (std::endl indirectly)
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@ -128,7 +129,7 @@ namespace boost
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// Test if a constant can fit within a certain type
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#define PRIVATE_FIT_TEST(Template, Number, Type, Value) BOOST_CHECK( Template < Number > :: Type ( Value ) == Value )
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#define PRIVATE_FIT_TEST(Template, Number, Type, Value) BOOST_CHECK_EQUAL( Template < Number > :: Type ( Value ) , Value )
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#if ULONG_MAX > 0xFFFFFFFFL
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#define PRIVATE_FIT_TESTS(Template, Type, ValType, InitVal) do { ValType v = InitVal ; \
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@ -186,7 +187,7 @@ namespace boost
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PRIVATE_FIT_TEST(Template, 1, Type, v); v >>= 1; PRIVATE_FIT_TEST(Template, 0, Type, v); } while ( false )
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#endif
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#define PRIVATE_SHIFTED_FIT_TEST(Template, Number, Type, Value) BOOST_CHECK( Template < (ULONG_MAX >> Number) > :: Type ( Value ) == Value )
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#define PRIVATE_SHIFTED_FIT_TEST(Template, Number, Type, Value) BOOST_CHECK_EQUAL( Template < (ULONG_MAX >> Number) > :: Type ( Value ) , Value )
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#define PRIVATE_SHIFTED_FIT_TESTS(Template, Type, ValType, InitVal) do { ValType v = InitVal ; \
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PRIVATE_SHIFTED_FIT_TEST(Template, 0, Type, v); v >>= 1; PRIVATE_SHIFTED_FIT_TEST(Template, 1, Type, v); v >>= 1; \
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@ -206,7 +207,7 @@ namespace boost
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PRIVATE_SHIFTED_FIT_TEST(Template, 28, Type, v); v >>= 1; PRIVATE_SHIFTED_FIT_TEST(Template, 29, Type, v); v >>= 1; \
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PRIVATE_SHIFTED_FIT_TEST(Template, 30, Type, v); v >>= 1; PRIVATE_SHIFTED_FIT_TEST(Template, 31, Type, v); } while ( false )
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#define PRIVATE_POS_SHIFTED_FIT_TEST(Template, Number, Type, Value) BOOST_CHECK( Template < (LONG_MAX >> Number) > :: Type ( Value ) == Value )
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#define PRIVATE_POS_SHIFTED_FIT_TEST(Template, Number, Type, Value) BOOST_CHECK_EQUAL( Template < (LONG_MAX >> Number) > :: Type ( Value ) , Value )
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#define PRIVATE_POS_FIT_TESTS(Template, Type, ValType, InitVal) do { ValType v = InitVal ; \
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PRIVATE_POS_SHIFTED_FIT_TEST(Template, 0, Type, v); v >>= 1; PRIVATE_POS_SHIFTED_FIT_TEST(Template, 1, Type, v); v >>= 1; \
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@ -226,7 +227,7 @@ namespace boost
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PRIVATE_POS_SHIFTED_FIT_TEST(Template, 28, Type, v); v >>= 1; PRIVATE_POS_SHIFTED_FIT_TEST(Template, 29, Type, v); v >>= 1; \
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PRIVATE_POS_SHIFTED_FIT_TEST(Template, 30, Type, v); v >>= 1; PRIVATE_POS_SHIFTED_FIT_TEST(Template, 31, Type, v); } while ( false )
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#define PRIVATE_NEG_SHIFTED_FIT_TEST(Template, Number, Type, Value) BOOST_CHECK( Template < (LONG_MIN >> Number) > :: Type ( Value ) == Value )
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#define PRIVATE_NEG_SHIFTED_FIT_TEST(Template, Number, Type, Value) BOOST_CHECK_EQUAL( Template < (LONG_MIN >> Number) > :: Type ( Value ) , Value )
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#define PRIVATE_NEG_FIT_TESTS(Template, Type, ValType, InitVal) do { ValType v = InitVal ; \
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PRIVATE_NEG_SHIFTED_FIT_TEST(Template, 0, Type, v); v >>= 1; PRIVATE_NEG_SHIFTED_FIT_TEST(Template, 1, Type, v); v >>= 1; \
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@ -247,17 +248,56 @@ namespace boost
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PRIVATE_NEG_SHIFTED_FIT_TEST(Template, 30, Type, v); v >>= 1; PRIVATE_NEG_SHIFTED_FIT_TEST(Template, 31, Type, v); } while ( false )
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// Test program
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int
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test_main
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(
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int,
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char*[]
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)
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// Check if given types can support given size parameters
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BOOST_AUTO_TEST_SUITE( show_type_tests )
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// Check size parameters given by bit length
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BOOST_AUTO_TEST_CASE( show_bit_length_type_test )
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{
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SHOW_TYPES( boost::int_t, least );
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SHOW_TYPES( boost::int_t, fast );
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SHOW_TYPES( boost::uint_t, least );
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SHOW_TYPES( boost::uint_t, fast );
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}
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// Check size parameters given by maximum or minimum (i.e. extreme) value
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BOOST_AUTO_TEST_CASE( show_extreme_type_test )
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{
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SHOW_POS_SHIFTED_TYPES( boost::int_max_value_t, least );
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SHOW_POS_SHIFTED_TYPES( boost::int_max_value_t, fast );
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SHOW_NEG_SHIFTED_TYPES( boost::int_min_value_t, least );
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SHOW_NEG_SHIFTED_TYPES( boost::int_min_value_t, fast );
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SHOW_SHIFTED_TYPES( boost::uint_value_t, least );
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SHOW_SHIFTED_TYPES( boost::uint_value_t, fast );
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}
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BOOST_AUTO_TEST_SUITE_END()
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// Check if given constants can fit in given types
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BOOST_AUTO_TEST_SUITE( fit_type_tests )
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// Check against large initial value
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BOOST_AUTO_TEST_CASE( show_bit_length_type_test )
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{
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#ifndef BOOST_NO_USING_TEMPLATE
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using boost::int_t;
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using boost::uint_t;
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#else
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using namespace boost;
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#endif
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PRIVATE_FIT_TESTS( int_t, least, long, LONG_MAX );
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PRIVATE_FIT_TESTS( int_t, fast, long, LONG_MAX );
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PRIVATE_FIT_TESTS( uint_t, least, unsigned long, ULONG_MAX );
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PRIVATE_FIT_TESTS( uint_t, fast, unsigned long, ULONG_MAX );
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}
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// Check against (absolutely) large initial value
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BOOST_AUTO_TEST_CASE( show_extreme_type_test )
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{
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#ifndef BOOST_NO_USING_TEMPLATE
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using boost::int_max_value_t;
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using boost::int_min_value_t;
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using boost::uint_value_t;
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@ -265,27 +305,14 @@ test_main
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using namespace boost;
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#endif
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SHOW_TYPES( int_t, least );
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SHOW_TYPES( int_t, fast );
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SHOW_TYPES( uint_t, least );
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SHOW_TYPES( uint_t, fast );
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SHOW_POS_SHIFTED_TYPES( int_max_value_t, least );
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SHOW_POS_SHIFTED_TYPES( int_max_value_t, fast );
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SHOW_NEG_SHIFTED_TYPES( int_min_value_t, least );
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SHOW_NEG_SHIFTED_TYPES( int_min_value_t, fast );
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SHOW_SHIFTED_TYPES( uint_value_t, least );
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SHOW_SHIFTED_TYPES( uint_value_t, fast );
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PRIVATE_FIT_TESTS( int_t, least, long, LONG_MAX );
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PRIVATE_FIT_TESTS( int_t, fast, long, LONG_MAX );
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PRIVATE_FIT_TESTS( uint_t, least, unsigned long, ULONG_MAX );
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PRIVATE_FIT_TESTS( uint_t, fast, unsigned long, ULONG_MAX );
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PRIVATE_POS_FIT_TESTS( int_max_value_t, least, long, LONG_MAX );
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PRIVATE_POS_FIT_TESTS( int_max_value_t, fast, long, LONG_MAX );
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PRIVATE_NEG_FIT_TESTS( int_min_value_t, least, long, LONG_MIN );
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PRIVATE_NEG_FIT_TESTS( int_min_value_t, fast, long, LONG_MIN );
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PRIVATE_SHIFTED_FIT_TESTS( uint_value_t, least, unsigned long, ULONG_MAX );
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PRIVATE_SHIFTED_FIT_TESTS( uint_value_t, fast, unsigned long, ULONG_MAX );
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return boost::exit_success;
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}
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BOOST_AUTO_TEST_SUITE_END()
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