ceph/src/boost/libs/lambda2/test/lambda2_test.cpp

   1 // Copyright 2020 Peter Dimov
   2 // Distributed under the Boost Software License, Version 1.0.
   3 // https://www.boost.org/LICENSE_1_0.txt
   4
   5 #if defined(_MSC_VER) && _MSC_VER == 1900
   6 # pragma warning(disable: 4552) // '<<': operator has no effect; expected operator with side-effect
   7 #endif
   8
   9 #include <boost/lambda2.hpp>
  10 #include <boost/core/lightweight_test.hpp>
  11
  12 #define TEST_UNARY(Op) \
  13     BOOST_TEST_EQ( (Op _1)( 0 ), Op 0 ); \
  14     BOOST_TEST_EQ( (Op _1)( 1 ), Op 1 ); \
  15     BOOST_TEST_EQ( (Op _1)( 5 ), Op 5 ); \
  16     BOOST_TEST_EQ( (Op (Op _1))( 5 ), Op (Op 5) ); \
  17     BOOST_TEST_EQ( ((Op _1) + (Op _2))( 1, 2 ), (Op 1) + (Op 2) ); \
  18     BOOST_TEST_EQ( ((Op _1) && (Op _2))( 1, 2 ), (Op 1) && (Op 2) );
  19
  20 #define TEST_BINARY(Op) \
  21     BOOST_TEST_EQ( (_1 Op _2)( 0, 1 ), 0 Op 1 ); \
  22     BOOST_TEST_EQ( (_1 Op _2)( 3, 5 ), 3 Op 5 ); \
  23     BOOST_TEST_EQ( (_1 Op 2)( 1, 2 ), 1 Op 2 ); \
  24     BOOST_TEST_EQ( (1 Op _2)( 1, 2 ), 1 Op 2 ); \
  25     BOOST_TEST_EQ( ((_1 Op _2) + (_3 Op _4))( 1, 2, 3, 4 ), (1 Op 2) + (3 Op 4) );
  26
  27 int main()
  28 {
  29     using namespace boost::lambda2;
  30
  31     TEST_BINARY(+)
  32     TEST_BINARY(-)
  33     TEST_BINARY(*)
  34     TEST_BINARY(/)
  35     TEST_BINARY(%)
  36     TEST_UNARY(-)
  37
  38     TEST_BINARY(==)
  39     TEST_BINARY(!=)
  40     TEST_BINARY(>)
  41     TEST_BINARY(<)
  42     TEST_BINARY(>=)
  43     TEST_BINARY(<=)
  44
  45     TEST_BINARY(&&)
  46     TEST_BINARY(||)
  47     TEST_UNARY(!)
  48
  49     TEST_BINARY(&)
  50     TEST_BINARY(|)
  51     TEST_BINARY(^)
  52     TEST_UNARY(~)
  53
  54 #if defined(_MSC_VER) && _MSC_VER == 1900 && !defined(_DEBUG)
  55
  56     // prevents crash in TEST_BINARY(/)
  57     // no idea why
  58
  59     BOOST_TEST_EQ( (_1 / _2)( 0, 1 ), 0 / 1 );
  60
  61 #endif
  62
  63     TEST_BINARY(<<)
  64     TEST_BINARY(>>)
  65
  66     TEST_UNARY(+)
  67
  68     return boost::report_errors();
  69 }