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//===----------------------------------------------------------------------===//
//
// The LLVM Compiler Infrastructure
//
// This file is dual licensed under the MIT and the University of Illinois Open
// Source Licenses. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
// UNSUPPORTED: c++98, c++03, c++11, c++14
// UNSUPPORTED: libcpp-no-exceptions, libcpp-no-if-constexpr
// MODULES_DEFINES: _LIBCPP_DEBUG=1
// MODULES_DEFINES: _LIBCPP_DEBUG_USE_EXCEPTIONS
// test container debugging
#define _LIBCPP_DEBUG 1
#define _LIBCPP_DEBUG_USE_EXCEPTIONS
#include <string>
#include <vector>
#include "test_macros.h"
#include "debug_mode_helper.h"
using namespace IteratorDebugChecks;
typedef std::basic_string<char, std::char_traits<char>, test_allocator<char>> StringType;
template <class Container = StringType, ContainerType CT = CT_String>
struct StringContainerChecks : BasicContainerChecks<Container, CT> {
using Base = BasicContainerChecks<Container, CT_String>;
using value_type = typename Container::value_type;
using allocator_type = typename Container::allocator_type;
using iterator = typename Container::iterator;
using const_iterator = typename Container::const_iterator;
using Base::makeContainer;
using Base::makeValueType;
public:
static void run() {
Base::run_iterator_tests();
Base::run_allocator_aware_tests();
try {
for (int N : {3, 128}) {
FrontOnEmptyContainer(N);
BackOnEmptyContainer(N);
PopBack(N);
}
} catch (...) {
assert(false && "uncaught debug exception");
}
}
private:
static void BackOnEmptyContainer(int N) {
CHECKPOINT("testing back on empty");
Container C = makeContainer(N);
Container const& CC = C;
iterator it = --C.end();
(void)C.back();
(void)CC.back();
C.pop_back();
CHECK_DEBUG_THROWS( C.erase(it) );
C.clear();
CHECK_DEBUG_THROWS( C.back() );
CHECK_DEBUG_THROWS( CC.back() );
}
static void FrontOnEmptyContainer(int N) {
CHECKPOINT("testing front on empty");
Container C = makeContainer(N);
Container const& CC = C;
(void)C.front();
(void)CC.front();
C.clear();
CHECK_DEBUG_THROWS( C.front() );
CHECK_DEBUG_THROWS( CC.front() );
}
static void PopBack(int N) {
CHECKPOINT("testing pop_back() invalidation");
Container C1 = makeContainer(N);
iterator it1 = C1.end();
--it1;
C1.pop_back();
CHECK_DEBUG_THROWS( C1.erase(it1) );
C1.erase(C1.begin(), C1.end());
assert(C1.size() == 0);
CHECK_DEBUG_THROWS( C1.pop_back() );
}
};
int main()
{
StringContainerChecks<>::run();
}
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