diff options
Diffstat (limited to 'test')
| -rw-r--r-- | test/src/arithmetic_suite.cpp | 28 |
1 files changed, 26 insertions, 2 deletions
diff --git a/test/src/arithmetic_suite.cpp b/test/src/arithmetic_suite.cpp index 7de76d6..75a7f46 100644 --- a/test/src/arithmetic_suite.cpp +++ b/test/src/arithmetic_suite.cpp @@ -222,12 +222,31 @@ inline namespace compound_addition ASSERT_EQUAL(elhs += erhs, (lhs += rhs).decay()); } + auto subtraction_assignment_of_two_instances_of_a_new__type_deriving_arithmetic_produces_an_instance_of_the_same_new__type() -> void + { + using type_alias = nt::new_type<int, struct tag, deriving(nt::Arithmetic)>; + ASSERT((std::is_same_v<type_alias &, decltype(std::declval<type_alias &>() -= std::declval<type_alias const &>())>)); + } + + auto subtraction_assignment_of_two_instances_of_a_new__type_deriving_arithmetic_produces_the_correct_value_with_respect_to_the_base_type() + -> void + { + using type_alias = nt::new_type<int, struct tag, deriving(nt::Arithmetic)>; + auto elhs = 42; + auto erhs = 18; + auto lhs = type_alias{elhs}; + auto rhs = type_alias{erhs}; + ASSERT_EQUAL(elhs -= erhs, (lhs -= rhs).decay()); + } + } // namespace compound_addition auto arithmetic_suite() -> std::pair<cute::suite, std::string> { return { { + // clang-format off + /// Addition Tests KAWAII(a_new__type_not_deriving_arithmetic_is_not_addable_with_instances_of_itself), KAWAII(a_new__type_deriving_arithmetic_is_addable_with_instances_of_itself), @@ -262,8 +281,13 @@ auto arithmetic_suite() -> std::pair<cute::suite, std::string> /// Compound Addition Tests KAWAII(addition_assignment_of_two_instances_of_a_new__type_deriving_arithmetic_produces_an_instance_of_the_same_new__type), - KAWAII( - addition_assignment_of_two_instances_of_a_new__type_deriving_arithmetic_produces_the_correct_value_with_respect_to_the_base_type), + KAWAII(addition_assignment_of_two_instances_of_a_new__type_deriving_arithmetic_produces_the_correct_value_with_respect_to_the_base_type), + + /// Compound Addition Tests + KAWAII(subtraction_assignment_of_two_instances_of_a_new__type_deriving_arithmetic_produces_an_instance_of_the_same_new__type), + KAWAII(subtraction_assignment_of_two_instances_of_a_new__type_deriving_arithmetic_produces_the_correct_value_with_respect_to_the_base_type), + + // clang-format on }, "Arithmetic Operators Tests"}; }
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