3rd-party/catch2
1
0
Fork 0
mirror of https://github.com/catchorg/Catch2.git synced 2025-10-31 04:07:10 +01:00
Code Issues Packages Projects Releases Wiki Activity

Fix decomposing in presence of universal ADL-found operators

Browse Source 
Closes #2121
This commit is contained in:
AlCash07
2020-12-19 15:36:19 -08:00
committed by Martin Hořeňovský
parent 65c9a1d31a
commit c77ba5314a
2 changed files with 77 additions and 51 deletions
Download Patch File Download Diff File Expand all files Collapse all files

39
tests/SelfTest/UsageTests/Compilation.tests.cpp
View File

@@ -277,3 +277,42 @@ namespace {
TEST_CASE("Immovable types are supported in basic assertions", "[compilation][.approvals]") {
REQUIRE(ImmovableType{} == ImmovableType{});
}
namespace adl {
struct always_true {
explicit operator bool() const { return true; }
};
#define COMPILATION_TEST_DEFINE_UNIVERSAL_OPERATOR(op) \
template <class T, class U> \
auto operator op (T&&, U&&) { \
return always_true{}; \
}
COMPILATION_TEST_DEFINE_UNIVERSAL_OPERATOR(==)
COMPILATION_TEST_DEFINE_UNIVERSAL_OPERATOR(!=)
COMPILATION_TEST_DEFINE_UNIVERSAL_OPERATOR(<)
COMPILATION_TEST_DEFINE_UNIVERSAL_OPERATOR(>)
COMPILATION_TEST_DEFINE_UNIVERSAL_OPERATOR(<=)
COMPILATION_TEST_DEFINE_UNIVERSAL_OPERATOR(>=)
COMPILATION_TEST_DEFINE_UNIVERSAL_OPERATOR(|)
COMPILATION_TEST_DEFINE_UNIVERSAL_OPERATOR(&)
COMPILATION_TEST_DEFINE_UNIVERSAL_OPERATOR(^)
#undef COMPILATION_TEST_DEFINE_UNIVERSAL_OPERATOR
}
TEST_CASE("ADL universal operators don't hijack expression deconstruction", "[compilation][.approvals]") {
REQUIRE(adl::always_true{});
REQUIRE(0 == adl::always_true{});
REQUIRE(0 != adl::always_true{});
REQUIRE(0 < adl::always_true{});
REQUIRE(0 > adl::always_true{});
REQUIRE(0 <= adl::always_true{});
REQUIRE(0 >= adl::always_true{});
REQUIRE(0 | adl::always_true{});
REQUIRE(0 & adl::always_true{});
REQUIRE(0 ^ adl::always_true{});
}