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* Add include for 'test_macros.h' to all the tests that were missing them. ↵Marshall Clow2019-05-3115-0/+19
| | | | | | Thanks to Zoe for the (big, but simple) patch. NFC intended. llvm-svn: 362252
* Support tests in freestandingJF Bastien2019-02-0423-23/+69
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: Freestanding is *weird*. The standard allows it to differ in a bunch of odd manners from regular C++, and the committee would like to improve that situation. I'd like to make libc++ behave better with what freestanding should be, so that it can be a tool we use in improving the standard. To do that we need to try stuff out, both with "freestanding the language mode" and "freestanding the library subset". Let's start with the super basic: run the libc++ tests in freestanding, using clang as the compiler, and see what works. The easiest hack to do this: In utils/libcxx/test/config.py add: self.cxx.compile_flags += ['-ffreestanding'] Run the tests and they all fail. Why? Because in freestanding `main` isn't special. This "not special" property has two effects: main doesn't get mangled, and main isn't allowed to omit its `return` statement. The first means main gets mangled and the linker can't create a valid executable for us to test. The second means we spew out warnings (ew) and the compiler doesn't insert the `return` we omitted, and main just falls of the end and does whatever undefined behavior (if you're luck, ud2 leading to non-zero return code). Let's start my work with the basics. This patch changes all libc++ tests to declare `main` as `int main(int, char**` so it mangles consistently (enabling us to declare another `extern "C"` main for freestanding which calls the mangled one), and adds `return 0;` to all places where it was missing. This touches 6124 files, and I apologize. The former was done with The Magic Of Sed. The later was done with a (not quite correct but decent) clang tool: https://gist.github.com/jfbastien/793819ff360baa845483dde81170feed This works for most tests, though I did have to adjust a few places when e.g. the test runs with `-x c`, macros are used for main (such as for the filesystem tests), etc. Once this is in we can create a freestanding bot which will prevent further regressions. After that, we can start the real work of supporting C++ freestanding fairly well in libc++. <rdar://problem/47754795> Reviewers: ldionne, mclow.lists, EricWF Subscribers: christof, jkorous, dexonsmith, arphaman, miyuki, libcxx-commits Differential Revision: https://reviews.llvm.org/D57624 llvm-svn: 353086
* Update more file headers across all of the LLVM projects in the monorepoChandler Carruth2019-01-1923-92/+69
| | | | | | | | | | | | | | | | | | to reflect the new license. These used slightly different spellings that defeated my regular expressions. We understand that people may be surprised that we're moving the header entirely to discuss the new license. We checked this carefully with the Foundation's lawyer and we believe this is the correct approach. Essentially, all code in the project is now made available by the LLVM project under our new license, so you will see that the license headers include that license only. Some of our contributors have contributed code under our old license, and accordingly, we have retained a copy of our old license notice in the top-level files in each project and repository. llvm-svn: 351648
* [libcxx] [test] Strip trailing whitespace. NFC.Stephan T. Lavavej2018-11-142-2/+2
| | | | llvm-svn: 346826
* mark LWG#2953 as complete. No code changes required, but added a couple of ↵Marshall Clow2018-09-122-0/+64
| | | | | | extra tests. llvm-svn: 342070
* Fix Bug 38644: multimap::clear() missing exception specifier. Add noexcept ↵Marshall Clow2018-08-221-0/+67
| | | | | | tests for all the containers that have clear(). llvm-svn: 340385
* [libcxx] [test] Untabify, NFC.Stephan T. Lavavej2017-07-292-10/+10
| | | | llvm-svn: 309464
* Replace _LIBCPP_HAS_NO_<C++03 feature> with _LIBCPP_CXX03_LANG in dequeEric Fiselier2017-04-163-14/+6
| | | | llvm-svn: 300413
* Change the return type of emplace_[front|back] back to void when building ↵Marshall Clow2017-01-242-2/+28
| | | | | | with C++14 or before. Resolves PR31680. llvm-svn: 292990
* Enable the -Wsign-compare warning to better support MSVCEric Fiselier2016-12-112-2/+8
| | | | llvm-svn: 289363
* [libcxx] [test] D27021: Fix MSVC warning C4389 "signed/unsigned mismatch", ↵Stephan T. Lavavej2016-12-0611-16/+17
| | | | | | | | | | | | | | | | | | | | | part 8/12. Add static_cast<std::size_t> when comparing distance() to size(). These replacements were performed programmatically with regex_replace(): const vector<pair<regex, string>> reg_fmt = { { regex(R"(assert\((\w+)\.size\(\) == std::distance\((\w+, \w+)\)\))"), "assert($1.size() == static_cast<std::size_t>(std::distance($2)))" }, { regex(R"(assert\(distance\((\w+\.begin\(\), \w+\.end\(\))\) == (\w+)\.size\(\)\))"), "assert(static_cast<std::size_t>(distance($1)) == $2.size())" }, { regex(R"(assert\(std::distance\((\w+\.\w*begin\(\), \w+\.\w*end\(\))\) == (\w+)\.size\(\)\))"), "assert(static_cast<std::size_t>(std::distance($1)) == $2.size())" }, }; Also, include <cstddef> when it wasn't already being included. llvm-svn: 288745
* [libcxx] [test] D27014: Fix MSVC warning C4018 "signed/unsigned mismatch", ↵Stephan T. Lavavej2016-11-2310-19/+29
| | | | | | | | | | part 2/12. Add static_cast<std::size_t> when comparing int to std::size_t. Also, include <cstddef> when it wasn't already being included. llvm-svn: 287822
* Change from "XFAIL: libcpp-no-exceptions" to "UNSUPPORTED: ↵Roger Ferrer Ibanez2016-10-312-2/+2
| | | | | | | | | | | | | libcpp-no-exceptions" tests that only check exceptions and nothing else This is a follow up of D24562. These tests do not check anything but exceptions, so it makes sense to mark them as UNSUPPORTED under a library built without exceptions. Differential Revision: https://reviews.llvm.org/D26075 llvm-svn: 285550
* [libc++] Fix stack_allocatorEric Fiselier2016-10-081-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Summary: To quote STL the problems with stack allocator are" >"stack_allocator<T, N> is seriously nonconformant to N4582 17.6.3.5 [allocator.requirements]. > First, it lacks a rebinding constructor. (The nested "struct rebind" isn't sufficient.) > Second, it lacks templated equality/inequality. > Third, it completely ignores alignment. > Finally, and most severely, the Standard forbids its existence. Allocators are forbidden from returning memory "inside themselves". This requirement is implied by the Standard's requirements for rebinding and equality. It's permitted to return memory from a separate buffer object on the stack, though." This patch attempts to address all of those issues. First, instead of storing the buffer inside the allocator I've change `stack_allocator` to accept the buffer as an argument. Second, in order to fix rebinding I changed the parameter list from `<class T, size_t NumElements>` to `<class T, size_t NumBytes>`. This allows allocator rebinding between types that have different sizes. Third, I added copy and rebinding constructors and assignment operators. And finally I fixed the allocation logic to always return properly aligned storage. Reviewers: mclow.lists, howard.hinnant, STL_MSFT Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D25154 llvm-svn: 283631
* Implement P0084r2. Changing emplace return types.Eric Fiselier2016-07-212-19/+12
| | | | llvm-svn: 276230
* Always use the allocator to construct/destruct elements of a deque/vector. ↵Marshall Clow2016-07-111-0/+12
| | | | | | Fixes PR#28412. Thanks to Jonathan Wakely for the report. llvm-svn: 275105
* Replace __cplusplus comparisons and dialect __has_feature checks with ↵Eric Fiselier2016-06-1410-10/+10
| | | | | | | | | TEST_STD_VER. This is a huge cleanup that helps make the libc++ test suite more portable. Patch from STL@microsoft.com. Thanks STL! llvm-svn: 272716
* Remove trailing whitespace in test suite. Approved by Marshall Clow.Eric Fiselier2016-06-016-19/+19
| | | | llvm-svn: 271435
* Fix some non-standard parts of our test suite. Reported by STLEric Fiselier2016-04-222-0/+4
| | | | llvm-svn: 267131
* Make it possible to build a no-exceptions variant of libcxx.Asiri Rathnayake2015-11-102-0/+2
| | | | | | | | | | | | Fixes a small omission in libcxx that prevents libcxx being built when -DLIBCXX_ENABLE_EXCEPTIONS=0 is specified. This patch adds XFAILS to all those tests that are currently failing on the new -fno-exceptions library variant. Follow-up patches will update the tests (progressively) to cope with the new library variant. Change-Id: I4b801bd8d8e4fe7193df9e55f39f1f393a8ba81a llvm-svn: 252598
* Fix warnings in deque testsEric Fiselier2015-07-195-40/+14
| | | | llvm-svn: 242632
* Fix PR#23767. Add tests for iterator invalidation for ↵Marshall Clow2015-06-054-0/+246
| | | | | | deque::erase/pop_front/pop_back llvm-svn: 239196
* Fix an exception-safety bug in <deque>. Reference: PR#22650. Not closing the ↵Marshall Clow2015-03-092-1/+41
| | | | | | bug because there's more work to do here llvm-svn: 231672
* Fix more issues exposed by -pedantic-errors in c++03 modeEric Fiselier2015-02-1015-15/+15
| | | | llvm-svn: 228711
* We had two identical files named 'MoveOnly.h' in the test suite. Move one to ↵Marshall Clow2015-01-284-4/+4
| | | | | | support/, remove the other, and update all the tests that included them. No functionality change. llvm-svn: 227370
* Fix PR#22284. Add a new overload to deque::insert to handle forward ↵Marshall Clow2015-01-221-1/+40
| | | | | | iterators. Update tests to exercise this case. llvm-svn: 226847
* Move test into test/std subdirectory.Eric Fiselier2014-12-2018-0/+1863
llvm-svn: 224658
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