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Add unit test for has_ReturnType

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This commit is contained in:
Gael Guennebaud 2017-08-17 11:55:00 +02:00
parent 687bedfcad
commit 89c01a494a
1 changed files with 9 additions and 0 deletions
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9
test/meta.cpp
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@ -15,6 +15,10 @@ bool check_is_convertible(const From&, const To&)
return internal::is_convertible<From,To>::value; return internal::is_convertible<From,To>::value;
} }
struct FooReturnType {
typedef int ReturnType;
};
void test_meta() void test_meta()
{ {
VERIFY((internal::conditional<(3<4),internal::true_type, internal::false_type>::type::value)); VERIFY((internal::conditional<(3<4),internal::true_type, internal::false_type>::type::value));
@ -76,6 +80,11 @@ void test_meta()
VERIFY(( check_is_convertible(A*B, A) )); VERIFY(( check_is_convertible(A*B, A) ));
} }
VERIFY(( internal::has_ReturnType<FooReturnType>::value ));
VERIFY(( internal::has_ReturnType<ScalarBinaryOpTraits<int,int> >::value ));
VERIFY(( !internal::has_ReturnType<MatrixXf>::value ));
VERIFY(( !internal::has_ReturnType<int>::value ));
VERIFY(internal::meta_sqrt<1>::ret == 1); VERIFY(internal::meta_sqrt<1>::ret == 1);
#define VERIFY_META_SQRT(X) VERIFY(internal::meta_sqrt<X>::ret == int(std::sqrt(double(X)))) #define VERIFY_META_SQRT(X) VERIFY(internal::meta_sqrt<X>::ret == int(std::sqrt(double(X))))
VERIFY_META_SQRT(2); VERIFY_META_SQRT(2);