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* [libcxx] [test] Fix valarray UB and MSVC warnings.Stephan T. Lavavej2019-12-121-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | [libcxx] [test] Calling min and max on an empty valarray is UB. libcxx/test/std/numerics/numarray/template.valarray/valarray.members/min.pass.cpp libcxx/test/std/numerics/numarray/template.valarray/valarray.members/max.pass.cpp The calls `v1.min();` and `v1.max();` were emitting nodiscard warnings with MSVC's STL. Upon closer inspection, these calls were triggering undefined behavior. N4842 [valarray.members] says: "T min() const; 8 Preconditions: size() > 0 is true. T max() const; 10 Preconditions: size() > 0 is true." As these tests already provide coverage for non-empty valarrays (immediately above), I've simply deleted the code for empty valarrays. [libcxx] [test] Add macros to msvc_stdlib_force_include.h (NFC). libcxx/test/support/msvc_stdlib_force_include.h These macros are being used by: libcxx/test/std/utilities/meta/meta.trans/meta.trans.other/result_of11.pass.cpp Defining them to nothing allows that test to pass. [libcxx] [test] Silence MSVC warning C5063 for is_constant_evaluated (NFC). libcxx/test/std/utilities/meta/meta.const.eval/is_constant_evaluated.pass.cpp This test is intentionally writing code that MSVC intentionally warns about, so the warning should be silenced. Additionally, comment an endif for clarity. [libcxx] [test] Silence MSVC warning C4127 (NFC). libcxx/test/support/charconv_test_helpers.h MSVC avoids emitting this warning when it sees a single constexpr value being tested, but this condition is a mix of compile-time and run-time. Using push-disable-pop is the least intrusive way to silence this. [libcxx] [test] Silence MSVC truncation warning (NFC). libcxx/test/std/containers/sequences/vector/vector.cons/construct_iter_iter.pass.cpp This test is intentionally truncating float to int, which MSVC intentionally warns about, so push-disable-pop is necessary. [libcxx] [test] Avoid truncation warnings in erase_if tests (NFC). libcxx/test/std/containers/associative/map/map.erasure/erase_if.pass.cpp libcxx/test/std/containers/associative/multimap/multimap.erasure/erase_if.pass.cpp libcxx/test/std/containers/unord/unord.map/erase_if.pass.cpp libcxx/test/std/containers/unord/unord.multimap/erase_if.pass.cpp These tests use maps with `short` keys and values, emitting MSVC truncation warnings from `int`. Adding `static_cast` to `key_type` and `mapped_type` avoids these warnings. As these tests require C++20 mode (or newer), for brevity I've changed the multimap tests to use emplace to initialize the test data. This has no effect on the erase_if testing.
* [NFC] Strip trailing whitespace from libc++Louis Dionne2019-10-231-1/+1
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* [libc++][NFC] Remove excess trailing newlines from most filesCasey Carter2019-10-232-2/+0
| | | | Testing git commit access.
* [libc++][test] Miscellaneous MSVC cleanupsCasey Carter2019-10-091-18/+18
| | | | | | | | | | | | * Silence unused-local-typedef warnings: `map.cons/assign_initializer_list.pass.cpp` (and the `set.cons` variant) uses a local typedef only within `LIBCPP_ASSERT`s, so clang diagnoses it as unused when testing non-libc++. * Add missing include: `c.math/abs.pass.cpp` uses `std::numeric_limits` but failed to `#include <limits>`. * Don't test non-type: A "recent" change to `meta.trans.other/underlying_type.pass.cpp` unconditionally tests the type `F` which is conditionally defined. * Use `hash<long long>` instead of `hash<short>` with `int` in `unordered_meow` deduction guide tests to avoid truncation warnings. * Convert `3.14` explicitly in `midpoint.float.pass` since MSVC incorrectly diagnoses `float meow = 3.14;` as truncating. Differential Revision: https://reviews.llvm.org/D68681 llvm-svn: 374248
* [libc++] Mark CTAD tests as not failing on AppleClang 10.0.1Louis Dionne2019-09-231-1/+1
| | | | | | They do fail on AppleClang 10.0.0, but not AppleClang 10.0.1 llvm-svn: 372632
* libcxx: Rename .hpp files in libcxx/test/support to .hNico Weber2019-08-211-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | LLVM uses .h as its extension for header files. Files renamed using: for f in libcxx/test/support/*.hpp; do git mv $f ${f%.hpp}.h; done References to the files updated using: for f in $(git diff master | grep 'rename from' | cut -f 3 -d ' '); do a=$(basename $f); echo $a; rg -l $a libcxx | xargs sed -i '' "s/$a/${a%.hpp}.h/"; done HPP include guards updated manually using: for f in $(git diff master | grep 'rename from' | cut -f 3 -d ' '); do echo ${f%.hpp}.h ; done | xargs mvim Differential Revision: https://reviews.llvm.org/D66104 llvm-svn: 369481
* Add contains method to associative containers. This patch implements ↵Zoe Carver2019-07-161-0/+62
| | | | | | P0458R2, adding contains to map, multimap, unordered_map, unordered_multimap, set, multiset, unordered_set, and unordered_multiset. llvm-svn: 366170
* [libc++] Implement P0433: deduction guides for <unordered_map>Louis Dionne2019-07-153-0/+482
| | | | | | | | Thanks to Arthur O'Dwyer for the patch. Differential Revision: https://reviews.llvm.org/D58590 llvm-svn: 366124
* Add include for 'test_macros.h' to all the tests that were missing them. ↵Marshall Clow2019-05-3134-0/+46
| | | | | | Thanks to Zoe for the (big, but simple) patch. NFC intended. llvm-svn: 362252
* Fix a bunch of unordered container tests that were failing when ↵Marshall Clow2019-05-012-2/+2
| | | | | | _LIBCPP_DEBUG was set. llvm-svn: 359642
* Support tests in freestandingJF Bastien2019-02-0488-94/+269
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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 Carruth2019-01-1988-352/+264
| | | | | | | | | | | | | | | | | | 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
* [NFC] Normalize some test 'main' signaturesJF Bastien2019-01-091-2/+1
| | | | | | There were 3 tests with 'int main(void)', and 6 with the return type on a different line. I'm about to send a patch for main in tests, and this NFC change is unrelated. llvm-svn: 350770
* Portability fix: add missing includes and static_casts. Reviewed as ↵Marshall Clow2018-12-181-0/+2
| | | | | | https://reviews.llvm.org/D55777. Thanks to Andrey Maksimov for the patch. llvm-svn: 349566
* Implement P1209 - Adopt Consistent Container Erasure from Library ↵Marshall Clow2018-12-141-0/+80
| | | | | | Fundamentals 2 for C++20. Reviewed as https://reviews.llvm.org/D55532 llvm-svn: 349178
* [libcxx] Add missing includes in testsLouis Dionne2018-11-164-0/+4
| | | | | | | | | | | | | | | A bunch of unordered containers tests call library functions but don't directly include the corresponding header files: - fabs() (defined in <cmath> which is not included); - is_permutation() (defined in <algorithm> which is not included); - next() (defined in <iterator> which is not included). - As a result, these tests won't compile against some conformant libraries. Reviewed as https://reviews.llvm.org/D54643. Thanks to Andrey Maksimov for the patch. llvm-svn: 347085
* Get tests compiling with -Wunused-local-typedefEric Fiselier2018-11-151-1/+0
| | | | llvm-svn: 346914
* [libcxx] [test] Fix Clang -Wunused-local-typedef warnings.Stephan T. Lavavej2018-11-141-5/+0
| | | | | | C++11's [hash.requirements] never required these typedefs from users. llvm-svn: 346912
* [libcxx] [test] Include <cassert> for assert().Stephan T. Lavavej2018-11-141-0/+1
| | | | | | This fixes compiler errors with MSVC's STL. llvm-svn: 346911
* Second half of C++17's splicing maps and setsErik Pilkington2018-10-311-0/+161
| | | | | | | | | | This commit adds a merge member function to all the map and set containers, which splices nodes from the source container. This completes support for P0083r3. Differential revision: https://reviews.llvm.org/D48896 llvm-svn: 345744
* [libcxx] [test] Add missing <stdexcept> to map at tests.Billy Robert O'Neal III2018-10-191-2/+3
| | | | | | Reviewed as https://reviews.llvm.org/D50551 llvm-svn: 344821
* Update all the max_size tests to eliminate signed/unsigned comparison ↵Marshall Clow2018-10-121-4/+4
| | | | | | warnings. NFC llvm-svn: 344416
* Fix Bug 38644: multimap::clear() missing exception specifier. Add noexcept ↵Marshall Clow2018-08-221-1/+4
| | | | | | tests for all the containers that have clear(). llvm-svn: 340385
* First half of C++17's splicing maps and setsErik Pilkington2018-08-014-0/+291
| | | | | | | | | | | | | This commit adds a node handle type, (located in __node_handle), and adds extract() and insert() members to all map and set types, as well as their implementations in __tree and __hash_table. The second half of this feature is adding merge() members, which splice nodes in bulk from one container into another. This will be committed in a follow-up. Differential revision: https://reviews.llvm.org/D46845 llvm-svn: 338472
* [test] Fix Container::insert(value_type const&) testsEric Fiselier2018-04-082-53/+41
| | | | | | | | | | | Patch from Joe Loser. Several unit tests meaning to test the behavior of lvalue insertion incorrectly pass rvalues. Fixes bug PR # 27394 Reviewed as https://reviews.llvm.org/D44411 llvm-svn: 329541
* Change (void) casts to TEST_IGNORE_NODISCARD, as requested by Eric. Reviewed ↵Billy Robert O'Neal III2017-11-211-2/+2
| | | | | | as https://reviews.llvm.org/D40065 llvm-svn: 318804
* Tolerate even more [[nodiscard]] in the STL. Reviewed as ↵Billy Robert O'Neal III2017-11-151-2/+2
| | | | | | https://reviews.llvm.org/D39080 llvm-svn: 318277
* First part of P0600 - '[[nodiscard] in the standard library'. Mark the ↵Marshall Clow2017-11-151-0/+28
| | | | | | 'empty()' methods of all the containers as nodiscard. If you're calling empty() w/o looking at the result, you probably meanto to call 'clear()'. c++2a only llvm-svn: 318269
* Still more missing tests - this time for the unordered containersMarshall Clow2017-11-152-0/+108
| | | | llvm-svn: 318268
* [libcxx] [test] Make files consistently end with newlines, NFC.Stephan T. Lavavej2017-07-291-1/+1
| | | | llvm-svn: 309465
* [libcxx] [test] Untabify, NFC.Stephan T. Lavavej2017-07-294-11/+11
| | | | llvm-svn: 309464
* Cleanup _LIBCPP_HAS_NO_<c++11-feature> in std::unordered_map and ↵Eric Fiselier2017-04-1811-73/+23
| | | | | | | | std::unordered_multimap This completes the cleanup of the containers, at least within the tests. llvm-svn: 300620
* Fix test failures due to bad test hasherEric Fiselier2017-03-015-0/+10
| | | | llvm-svn: 296568
* Update all bug URL's to point to https://bugs.llvm.org/...Eric Fiselier2017-02-172-3/+3
| | | | llvm-svn: 295434
* [libcxx] [test] Fix Clang -Wunused-local-typedef, part 1/3.Stephan T. Lavavej2017-02-055-12/+23
| | | | | | | | | | | | | | | | | Guard typedefs and static_asserts with _LIBCPP_VERSION. test/std/containers/sequences/vector.bool/move_assign_noexcept.pass.cpp test/std/containers/sequences/vector.bool/move_noexcept.pass.cpp test/std/containers/sequences/vector.bool/swap_noexcept.pass.cpp Additionally deal with conditional compilation. test/std/containers/associative/map/map.cons/move_noexcept.pass.cpp test/std/containers/associative/multimap/multimap.cons/move_noexcept.pass.cpp Additionally deal with typedefs used by other typedefs. Fixes D29135. llvm-svn: 294154
* [libcxx] [test] Fix comment typos, strip trailing whitespace.Stephan T. Lavavej2017-01-181-1/+1
| | | | | | No functional change, no code review. llvm-svn: 292434
* Fix undefined behavior in container swap tests.Eric Fiselier2016-12-112-32/+32
| | | | | | | | | | | | These swap tests were swapping non-POCS non-equal allocators which is undefined behavior. This patch changes the tests to use allocators which compare equal. In order to test that the allocators were not swapped I added an "id" field to test_allocator which does not participate in equality but does propagate across copies/swaps. This patch is based off of D26623 which was submitted by STL. llvm-svn: 289358
* [libcxx] [test] Fix MSVC warning C4244 "conversion from 'X' to 'Y', possible ↵Stephan T. Lavavej2016-12-082-16/+16
| | | | | | | | | | loss of data", part 3/7. Add static_cast<short> when constructing pair<Whatever, short> from (Something, int). Fixes D27540. llvm-svn: 289107
* [libcxx] [test] D27021: Fix MSVC warning C4389 "signed/unsigned mismatch", ↵Stephan T. Lavavej2016-12-0620-202/+222
| | | | | | | | | | | | | | | | | | | | | 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
* Protect std::{,unordered_}map tests under noexceptionsRoger Ferrer Ibanez2016-11-291-1/+9
| | | | | | | | Skip tests that use exceptions Differential Revision: https://reviews.llvm.org/D27093 llvm-svn: 288157
* [libcxx] [test] D27027: Strip trailing whitespace.Stephan T. Lavavej2016-11-232-2/+2
| | | | llvm-svn: 287829
* [libcxx] Fix max_size() across all containersEric Fiselier2016-11-231-12/+29
| | | | | | | | | | | | Summary: The `max_size()` method of containers should respect both the allocator's reported `max_size` and the range of the `difference_type`. This patch makes all containers choose the smallest of those two values. Reviewers: mclow.lists, EricWF Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D26885 llvm-svn: 287729
* [libcxx] [test] D26624: Fix bucket_count() assumptions.Stephan T. Lavavej2016-11-152-24/+24
| | | | | | | | | With a max_load_factor of 1.0, the only guarantee is that bucket_count() >= size(). (Note: setting max_load_factor without rehashing isn't supposed to affect this, because setting max_load_factor is currently specified to be constant time.) llvm-svn: 286982
* [libcxx] [test] Replace _LIBCPP_STD_VER with TEST_STD_VER.Stephan T. Lavavej2016-11-043-3/+6
| | | | | | | | | | | This replaces every occurrence of _LIBCPP_STD_VER in the tests with TEST_STD_VER. Additionally, for every affected file, #include "test_macros.h" is being added explicitly if it wasn't already there. https://reviews.llvm.org/D26294 llvm-svn: 286007
* [libc++] Remove various C++03 feature test macrosEric Fiselier2016-09-251-3/+1
| | | | | | | | | | | | | | | | | | | | | | | | | Summary: Libc++ still uses per-feature configuration macros when configuring for C++11. However libc++ requires a feature-complete C++11 compiler so there is no reason to check individual features. This patch starts the process of removing the feature specific macros and replacing their usage with `_LIBCPP_CXX03_LANG`. This patch removes the __config macros: * _LIBCPP_HAS_NO_TRAILING_RETURN * _LIBCPP_HAS_NO_TEMPLATE_ALIASES * _LIBCPP_HAS_NO_ADVANCED_SFINAE * _LIBCPP_HAS_NO_DEFAULT_FUNCTION_TEMPLATE_ARGS * _LIBCPP_HAS_NO_STATIC_ASSERT As a drive I also changed our C++03 static_assert to use _Static_assert if available. I plan to commit this without review if nobody voices an objection. Reviewers: mclow.lists Subscribers: cfe-commits Differential Revision: https://reviews.llvm.org/D24895 llvm-svn: 282347
* Support allocators with explicit conversion constructors. Fixes bug #29000Marshall Clow2016-08-177-1/+228
| | | | llvm-svn: 278904
* Make dtor_noexcept.pass.cpp tests more portable. Patch from STL@microsoft.comEric Fiselier2016-07-251-2/+3
| | | | llvm-svn: 276595
* Mark bucket_count() assertions as non-portable. Patch from STL@microsoft.comEric Fiselier2016-07-2526-84/+107
| | | | llvm-svn: 276593
* Make move_assign_noexcept.pass.cpp tests more portable. Patch from ↵Eric Fiselier2016-07-251-1/+2
| | | | | | STL@microsoft.com llvm-svn: 276591
* Make swap_noexcept.pass.cpp tests more portable. Patch from STL@microsoft.com.Eric Fiselier2016-07-251-28/+15
| | | | | | See D21820 for more information (https://reviews.llvm.org/D21820). llvm-svn: 276590
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