catch2/projects/SelfTest/CompilationTests.cpp

73 lines
1.6 KiB
C++
Raw Permalink Normal View History

/*
* Created by Martin on 17/02/2017.
*
* 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 "catch.hpp"
// This is a minimal example for an issue we have found in 1.7.0
struct foo {
int i;
};
template <typename T>
bool operator==(const T& val, foo f){
return val == f.i;
}
TEST_CASE("#809") {
foo f; f.i = 42;
REQUIRE(42 == f);
}
// ------------------------------------------------------------------
// Changes to REQUIRE_THROWS_AS made it stop working in a template in
// an unfixable way (as long as C++03 compatibility is being kept).
// To prevent these from happening in the future, this needs to compile
void throws_int(bool b) {
if (b) {
throw 1;
}
}
template <typename T>
bool templated_tests(T t) {
int a = 3;
REQUIRE(a == t);
CHECK(a == t);
REQUIRE_THROWS(throws_int(true));
CHECK_THROWS_AS(throws_int(true), const int&);
REQUIRE_NOTHROW(throws_int(false));
REQUIRE_THAT("aaa", Catch::EndsWith("aaa"));
return true;
}
TEST_CASE("#833") {
REQUIRE(templated_tests<int>(3));
}
// Test containing example where original stream insertable check breaks compilation
#if defined (CATCH_CONFIG_CPP11_STREAM_INSERTABLE_CHECK)
namespace {
struct A {};
std::ostream& operator<< (std::ostream &o, const A &) { return o << 0; }
struct B : private A {
bool operator== (int) const { return true; }
};
B f ();
std::ostream g ();
}
TEST_CASE( "#872" ) {
B x;
REQUIRE (x == 4);
}
#endif