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Add constexpr usage checks #2

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merged 2 commits into from Apr 2, 2015
Merged

Add constexpr usage checks #2

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cdc63ae
Add constexpr usage checks - without these we can't be sure that othe…
Jul 28, 2014
c29fd78
Move constexpr test cases into separate file.
jzmaddock Mar 31, 2015
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3 changes: 3 additions & 0 deletions test/Jamfile.v2
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Expand Up @@ -3,9 +3,12 @@
#~ (See accompanying file LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

import testing ;
import ../../config/checks/config : requires ;


test-suite rational
: [ run rational_example.cpp ]
[ run rational_test.cpp
/boost/test//boost_unit_test_framework/<link>static ]
[ run constexpr_test.cpp : : : [ requires cxx11_constexpr ] ]
;
26 changes: 26 additions & 0 deletions test/constexpr_test.cpp
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@@ -0,0 +1,26 @@
///////////////////////////////////////////////////////////////////////////////
// Copyright 2015 John Maddock. Distributed under the Boost
// Software License, Version 1.0. (See accompanying file
// LICENSE_1_0.txt or copy at http://www.boost.org/LICENSE_1_0.txt)

#include <boost/rational.hpp>


int main()
{
#ifndef BOOST_NO_CONSTEXPR
constexpr boost::rational<int> i1;
constexpr boost::rational<int> i2(3);
constexpr boost::rational<short> i3(i2);

static_assert(i1.numerator() == 0, "constexpr test");
static_assert(i1.denominator() == 1, "constexpr test");
static_assert(i2.numerator() == 3, "constexpr test");
static_assert(i2.denominator() == 1, "constexpr test");
static_assert(i3.numerator() == 3, "constexpr test");
static_assert(i3.denominator() == 1, "constexpr test");
static_assert(!i1, "constexpr test");
static_assert(i2, "constexpr test");
#endif
return 0;
}