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Change the threshold param of near to be inclusive

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I.e. it means the maximum allowed difference, similar to how other testing frameworks handle this and it allows a threshold of 0 to mean "equal"
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Alexander Grund 2022-01-06 15:38:29 +01:00
parent e26601672e
commit 98541eb5a7
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2 changed files with 4 additions and 3 deletions
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5
doc/example/customization.cpp
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@ -87,7 +87,7 @@ struct near_constraint
template< typename Actual > template< typename Actual >
bool operator()( Actual actual ) const bool operator()( Actual actual ) const
{ {
return std::abs( actual - mock::unwrap_ref(expected_) ) < mock::unwrap_ref(threshold_) ; return std::abs( actual - mock::unwrap_ref(expected_) ) <= mock::unwrap_ref(threshold_) ;
} }
friend std::ostream& operator<<( std::ostream& s, const near_constraint& c ) friend std::ostream& operator<<( std::ostream& s, const near_constraint& c )
@ -157,7 +157,8 @@ BOOST_AUTO_TEST_CASE( near_constraint_works_with_with_float_wrapper_and_cref )
MOCK_EXPECT( v.display ).once().with( near( std::cref( expected ), std::cref( threshold ) ) ); MOCK_EXPECT( v.display ).once().with( near( std::cref( expected ), std::cref( threshold ) ) );
expected = 42; expected = 42;
threshold = 1; threshold = 1;
c.add( 41, 1 ); c.add(0, 0);
c.add(41, 1);
} }
} }

2
include/turtle/constraints.hpp
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@ -106,7 +106,7 @@ namespace detail
# define MOCK_NEAR_DEFINED # define MOCK_NEAR_DEFINED
#endif #endif
MOCK_NARY_CONSTRAINT( near, 2, ( expected, tolerance ), MOCK_NARY_CONSTRAINT( near, 2, ( expected, tolerance ),
std::abs( actual - expected ) < tolerance ) std::abs( actual - expected ) <= tolerance )
#ifdef MOCK_NEAR_DEFINED #ifdef MOCK_NEAR_DEFINED
# pragma pop_macro( "near" ) # pragma pop_macro( "near" )
#endif #endif