Commit Graph

151 Commits

Author SHA1 Message Date
Louis Dionne 83901cbe5e [libc++] Fixed copy/copy_n/copy_backward for compilers that do not support is_constant_evaluated.
Differential Revision: https://reviews.llvm.org/D69940
2019-11-07 12:39:10 +00:00
Louis Dionne e9612e9e85 [libc++] Fix some constexpr tests broken by D68837
This doesn't fix all the issues with D68837
2019-11-07 12:29:17 +00:00
Louis Dionne 13c90a5716 [libc++][P0202] Marked algorithms copy/copy_n/copy_if/copy_backward constexpr
Thanks to Michael Park for the patch.

Differential Revision: https://reviews.llvm.org/D68837
2019-11-06 12:02:41 +00:00
Louis Dionne 6b77ebdc91 [NFC] Strip trailing whitespace from libc++ 2019-10-23 11:19:19 -07:00
Nico Weber cc89063bff libcxx: Rename .hpp files in libcxx/test/support to .h
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
2019-08-21 00:14:12 +00:00
Marshall Clow 7fa6865392 Fix a couple of unguarded operator, calls in algorithm. Fixes PR#43063. Updated all the heap tests to check this.
llvm-svn: 369448
2019-08-20 21:31:51 +00:00
Zoe Carver 28e0187175 This patch makes swap functions constexpr. Both swap overloads, swap_ranges and iter_swap are updated (with tests).
llvm-svn: 365238
2019-07-05 20:13:34 +00:00
Marshall Clow 7fc6a55688 Add include for 'test_macros.h' to all the tests that were missing them. Thanks to Zoe for the (big, but simple) patch. NFC intended.
llvm-svn: 362252
2019-05-31 18:35:30 +00:00
Louis Dionne a470a13a70 [libc++] Enable deprecation warnings by default
Summary:
In r342843, I added deprecation warnings to some facilities that were
deprectated in C++14 and C++17. However, those deprecation warnings
were not enabled by default.

After discussing this on IRC, we had finally gotten consensus to enable
those warnings by default, and I'm getting around to doing that only
now.

Reviewers: mclow.lists, EricWF

Subscribers: christof, jkorous, dexonsmith, jdoerfert, libcxx-commits

Differential Revision: https://reviews.llvm.org/D58140

llvm-svn: 355961
2019-03-12 20:10:06 +00:00
JF Bastien 2df59c5068 Support tests in freestanding
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
2019-02-04 20:31:13 +00:00
Marshall Clow 5a8525e0b6 D14686: 'Protect against overloaded comma in random_shuffle and improve tests' I had to cut back on the tests with this, because they were not C++03 friendly. Thanks to gribozavr for the patch
llvm-svn: 352087
2019-01-24 19:20:19 +00:00
Chandler Carruth 57b08b0944 Update more file headers across all of the LLVM projects in the monorepo
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
2019-01-19 10:56:40 +00:00
Marshall Clow 8d221b40a7 Add missing include to test. NFC
llvm-svn: 349639
2018-12-19 16:39:04 +00:00
Eric Fiselier 3e5d847fa0 Tolerate Clangs new static_assert messages
llvm-svn: 349189
2018-12-14 20:42:36 +00:00
Marshall Clow d850388710 One more local type warning removed from the tests. NFC
llvm-svn: 344421
2018-10-12 21:59:32 +00:00
Eric Fiselier a60d7fac09 Add diagnostics for min/max algorithms when a InputIterator is used.
These algorithms require a ForwardIterator or better. Ensure
we diagnose the contract violation at compile time instead of
of silently doing the wrong thing.

Further algorithms will be audited in upcoming patches.

llvm-svn: 340426
2018-08-22 17:47:13 +00:00
Stephan T. Lavavej ad9545eb30 [libcxx] [test] Fix whitespace, NFC.
test/std almost always uses spaces; now it is entirely tab-free.

llvm-svn: 329978
2018-04-12 23:56:22 +00:00
Stephan T. Lavavej 9e5283f27f [libcxx] [test] Use TEST_COMPILER_C1XX.
Also TEST_COMPILER_CLANG in one place. (More could be changed.)

llvm-svn: 329977
2018-04-12 23:56:17 +00:00
Stephan T. Lavavej 6b1ae9b854 [libcxx] [test] Strip trailing whitespace, NFC.
llvm-svn: 324959
2018-02-12 22:54:35 +00:00
Eric Fiselier f892166a1d Work around GCC constexpr initialization bug
llvm-svn: 324165
2018-02-03 01:48:21 +00:00
Peter Collingbourne 939b16233b Fix the BinaryPredicate form of std::is_permutation to not rely on operator==
According to [1], forms 2 and 4 of std::is_permutation should use the passed in
binary predicate to compare elements. operator== should only be used for forms
1 and 3 which do not take a binary predicate.

This CL fixes forms 2 and 4 which relied on operator== for some comparisons.

[1] http://en.cppreference.com/w/cpp/algorithm/is_permutation

Patch by Thomas Anderson!

Differential Revision: https://reviews.llvm.org/D42518

llvm-svn: 323563
2018-01-26 21:23:27 +00:00
Marshall Clow 8da1a487ae Last batch of P0202 constexpr additions: includes/set_intersection/exchange
llvm-svn: 323159
2018-01-22 23:10:40 +00:00
Marshall Clow e8ea8296fc Another batch of P0202 constepr algirithms. remove/remove_if/remove_copy/remove_copy_if/reverse_copy, and tests (commented out) for rotate_copy, because that depends on std::copy
llvm-svn: 323152
2018-01-22 21:43:04 +00:00
Marshall Clow 1b9a4ffd6b Still more P0202 constexpr-ifying. This batch is: for_each/for_each_n/lexicographical_compare
llvm-svn: 323147
2018-01-22 20:44:33 +00:00
Marshall Clow cbe768ec69 Add (commented out) constexpr tests for copy/copy_backwards/copy_if/copy_n. These will be enabled when that part of P0202 is implemented. NFC at this time.
llvm-svn: 323137
2018-01-22 18:38:18 +00:00
Marshall Clow ac471d6db2 Really comment out the constexpr tests.
llvm-svn: 323072
2018-01-22 01:51:49 +00:00
Marshall Clow 85642c2bea implement (but leave commented out) the constexpr tests from P0202 for std::merge. merge requires std::copy, which isn't constexpr yet.
llvm-svn: 323070
2018-01-22 00:11:44 +00:00
Marshall Clow 4bfb9313c1 More P0202 constexpr work. This commit adds fill/fill_n/generate/generate_n/unique/unique_copy. I removed a specialization of fill_n that recognized when we were dealing with raw pointers and 1 byte trivially-assignable types and did a memset, because the compiler will do that optimization for us.
llvm-svn: 323050
2018-01-20 20:14:32 +00:00
Marshall Clow 12c7423ff9 More P0202 constexpr-ifying in <algorithm>. This commit handles replace/replace_if/replace_copy/replace_copy_if.
llvm-svn: 322975
2018-01-19 18:07:29 +00:00
Marshall Clow 99894b61ba More P0202 constexpr-ifying in <algorithm>. This commit handles 'transform'.
llvm-svn: 322970
2018-01-19 17:45:39 +00:00
Eric Fiselier decf22e50f Fix most GCC test failures.
This patch fixes almost all currently failing tests when
using GCC ToT.

The specific changes are:

(A) Workaround gcc.gnu.org/PR83921 which rejects variables w/o initializers
in constexpr contexts -- even when the variable is an empty class. This
bug has been worked around at all callsites by adding an initializer.
Additionally a new test, constexpr_init.pass.cpp, has been added to
test that Clang doesn't suffer from these bugs.

(B) Fix streambuf.assign/swap.pass.cpp. This test was never actually
calling the swap method as intended. In fact, the swap function it
intended to call was ill-formed when instantiated. GCC diagnosed
this ill-formedness w/o needing an instantiation.

(C) size_delete11.pass.cpp was fixed by adding c++2a to the list of
unsupported dialects.

llvm-svn: 322810
2018-01-18 03:41:06 +00:00
Marshall Clow 12f0a77902 More constexpr algorithms from P0202. search/search_n
llvm-svn: 322566
2018-01-16 15:48:27 +00:00
Marshall Clow d57c03ddca More constexpr algorithms from P0202: lower_bound, upper_bound, equal_range, binary_search
llvm-svn: 322529
2018-01-16 02:34:41 +00:00
Marshall Clow a38c495f22 Actually CALL the constexpr tests.
llvm-svn: 322528
2018-01-16 02:11:13 +00:00
Marshall Clow 6538e28d5d More constexpr (re P0202) - equal and mismatch
llvm-svn: 322527
2018-01-16 02:04:10 +00:00
Marshall Clow da97ec6c10 Fix constexpr failure on C++11-based buildbots.
llvm-svn: 322507
2018-01-15 19:59:09 +00:00
Marshall Clow 056f15e3c5 More constexpr from P0202. count and count_if. Also fix a comment that Morwenn noted.
llvm-svn: 322506
2018-01-15 19:40:34 +00:00
Marshall Clow 404ee020f0 Some of the tests from earlier today had 'int' as the return type when it should have been 'bool'. Fix that. It doesn't change the behavior of any of the tests, but it's more accurate.
llvm-svn: 322505
2018-01-15 19:32:32 +00:00
Marshall Clow 8694428e36 More P0202 constexpr-ifying. All the find_XXX algorithms in this commit.
llvm-svn: 322504
2018-01-15 19:26:05 +00:00
Marshall Clow 674f9128b7 partition_point gets the P0202 treatment
llvm-svn: 322493
2018-01-15 17:53:34 +00:00
Marshall Clow 706ffef713 More constexpr algorithms from P0202. any_of/all_of/none_of.
llvm-svn: 322492
2018-01-15 17:20:36 +00:00
Marshall Clow 49c7643c39 First part of P0202: Adding constexpr modifiers to functions in <algorithm> and <utility>. This commit is all the is_XXX algorithms.
llvm-svn: 322489
2018-01-15 16:16:32 +00:00
Marshall Clow 6b40646bec Fix misspelled macro name - thanks to andrew@ispras.ru for the catch
llvm-svn: 322196
2018-01-10 16:25:04 +00:00
Marshall Clow d835e59211 Add the C++17 extensions to std::search. Include the default searcher, but not the Boyer-Moore or Boyer-Moore-Horspool searcher (yet). BUT put the BM and BMH tests in place, marked to XFAIL. The other searchers will follow soon
llvm-svn: 322019
2018-01-08 19:18:00 +00:00
Stephan T. Lavavej 79e0733c20 [libcxx] [test] Fix MSVC warnings, null pointer deref.
test/std/algorithms/alg.modifying.operations/alg.generate/generate_n.pass.cpp
Silence MSVC warning C4244. This is expected when passing
floating-point values for size.

test/std/utilities/template.bitset/bitset.members/to_ullong.pass.cpp
test/std/utilities/template.bitset/bitset.members/to_ulong.pass.cpp
Avoid MSVC "warning C4293: '<<': shift count negative or too big,
undefined behavior". MSVC sees (1ULL << N) and warns - being guarded
by const bool canFit is insufficient. A small change to the code
avoids the warning without the need for a pragma.

Remove a spurious printf() declaration from to_ullong.pass.cpp.

Change ULL to UL in to_ulong.pass.cpp. The ULL suffix was
probably copy-pasted.

test/std/utilities/tuple/tuple.general/ignore.pass.cpp
Use LIBCPP_STATIC_ASSERT for consistency with other files.

test/support/container_test_types.h
Fix a null pointer dereference, found by MSVC /analyze
warning C6011 "Dereferencing NULL pointer 'm_expected_args'."

Fixes D41030.

llvm-svn: 320535
2017-12-13 00:51:27 +00:00
Marshall Clow feb8343281 Fix PR#35948: generate_n does not accept floating point Size arguments.
llvm-svn: 319675
2017-12-04 18:59:14 +00:00
Billy Robert O'Neal III ba40b0566f Change (void) casts to TEST_IGNORE_NODISCARD, as requested by Eric. Reviewed as https://reviews.llvm.org/D40065
llvm-svn: 318804
2017-11-21 21:37:26 +00:00
Billy Robert O'Neal III 1c240a89ff Tolerate even more [[nodiscard]] in the STL. Reviewed as https://reviews.llvm.org/D39080
llvm-svn: 318277
2017-11-15 07:45:07 +00:00
Marshall Clow d842505b9b Mark test as unsupported on C++98/03, since it uses move_iterator
llvm-svn: 316917
2017-10-30 16:07:59 +00:00
Marshall Clow 05da5b0205 Fix PR#35119 : set_union misbehaves with move_iterators. Thanks to Denis Yaroshevskiy for both the bug report and the fix.
llvm-svn: 316914
2017-10-30 15:50:00 +00:00
Marshall Clow 589453458d Fix test for C++03
llvm-svn: 311967
2017-08-29 01:10:51 +00:00
Marshall Clow a763b36ff4 Fix PR31166: std::inplace_merge seems to be unstable. Thanks to Jan Wilken Dörrie for the suggested fix.
llvm-svn: 311952
2017-08-28 23:16:13 +00:00
Stephan T. Lavavej 9ea675ef8c [libcxx] [test] Change comments to say C++ instead of c++. NFC.
This makes them consistent (many comments already used uppercase).

The special REQUIRES, UNSUPPORTED, and XFAIL comments are excluded from this change.

llvm-svn: 309468
2017-07-29 00:55:35 +00:00
Stephan T. Lavavej 4159db7698 [libcxx] [test] Untabify, NFC.
llvm-svn: 309464
2017-07-29 00:55:10 +00:00
Stephan T. Lavavej 5984426f91 [libcxx] [test] Strip trailing whitespace. NFC.
llvm-svn: 305848
2017-06-20 21:00:02 +00:00
Marshall Clow d5c65ffa8d Add non-parallel version of for_each_n (+tests) from the Parallelism TS
llvm-svn: 303833
2017-05-25 02:29:54 +00:00
Stephan T. Lavavej 6081edc9d0 [libcxx] [test] Strip trailing whitespace. NFC.
llvm-svn: 302105
2017-05-04 01:43:58 +00:00
Eric Fiselier ddda456a76 Cleanup _LIBCPP_HAS_NO_<c++11-feature> in algorithm
llvm-svn: 300625
2017-04-18 23:26:47 +00:00
Marshall Clow 315cd1fec9 Update the algorithm tests to not use the (deprecated) function binders. No functional change.
llvm-svn: 298618
2017-03-23 16:13:50 +00:00
Marshall Clow c53e96cb07 Use 'REQUIRES: c++98 || c++03 || c++11 || c++14' instead of the deprecated 'REQUIRES-ANY: c++98, c++03, c++11, c++14'
llvm-svn: 298600
2017-03-23 14:20:43 +00:00
Marshall Clow 0f37a41029 Remove random_shuffle in C++17. Please use shuffle instead. If you have to, you cant get it back by defining _LIBCPP_ENABLE_CXX17_REMOVED_RANDOM_SHUFFLE before including any libc++ headers.
llvm-svn: 298597
2017-03-23 13:43:37 +00:00
Marshall Clow 4513057d66 Stop using random_shuffle in the libc++ test suite. It's going to be removed in c++17. Use shuffle() instead. No change to libc++, just the tests.
llvm-svn: 294328
2017-02-07 18:41:25 +00:00
Eric Fiselier c71bd55b5d Enable the -Wsign-compare warning to better support MSVC
llvm-svn: 289363
2016-12-11 05:31:00 +00:00
Stephan T. Lavavej 4e19c47556 [libcxx] [test] Fix MSVC warning C4244 "conversion from 'X' to 'Y', possible loss of data", part 6/7.
test/std/algorithms/alg.modifying.operations/alg.random.shuffle/random_shuffle_rand.pass.cpp
(Affects 64-bit architectures.) Include <cstddef> so we can take/return std::ptrdiff_t
(instead of int) in random_shuffle()'s RNG. (C++14 D.12 [depr.alg.random.shuffle]/2 says that
difference_type is used, and we're shuffling a plain array.)

test/std/algorithms/alg.sorting/alg.sort/sort/sort.pass.cpp
test/std/algorithms/alg.sorting/alg.sort/stable.sort/stable_sort.pass.cpp
(Affects 64-bit architectures.) Include <iterator> because we're already using iterator_traits.
Then, store the result of subtracting two RanIts as difference_type instead of long
(which truncates on LLP64 architectures like MSVC x64).

test/std/containers/sequences/forwardlist/forwardlist.ops/splice_after_flist.pass.cpp
test/std/containers/sequences/forwardlist/forwardlist.ops/splice_after_one.pass.cpp
(Affects 64-bit architectures.) Include <cstddef> so we can store the result of
subtracting two pointers as std::ptrdiff_t (instead of int).

test/std/input.output/iostream.format/input.streams/istream.unformatted/ignore_0xff.pass.cpp
(Affects 32-bit architectures.) Sometimes, size_t is too small. That's the case here,
where tellg() returns pos_type (N4606 27.7.2.3 [istream.unformatted]/39). Implementations can
have 64-bit pos_type (to handle large files) even when they have 32-bit size_t.

Fixes D27543.

llvm-svn: 289110
2016-12-08 21:38:44 +00:00
Stephan T. Lavavej e9c728899f [libcxx] [test] D27025: Fix MSVC warning C4389 "signed/unsigned mismatch", part 12/12.
Various changes:

test/std/algorithms/alg.sorting/alg.merge/inplace_merge.pass.cpp
This is comparing value_type to unsigned. value_type is sometimes int and sometimes struct S (implicitly constructible from int).
static_cast<value_type>(unsigned) silences the warning and doesn't do anything bad (as the values in question are small).

test/std/algorithms/alg.sorting/alg.nth.element/nth_element_comp.pass.cpp
This is comparing an int remote-element to size_t. The values in question are small and non-negative,
so either type is fine. I think that converting int to size_t is marginally better here than the reverse.

test/std/containers/sequences/deque/deque.cons/size.pass.cpp
DefaultOnly::count is int (and non-negative). When comparing to unsigned, use static_cast<unsigned>.

test/std/strings/basic.string/string.access/index.pass.cpp
We're comparing char to '0' through '9', but formed with the type size_t. Add static_cast<char>.

test/std/utilities/template.bitset/bitset.cons/ull_ctor.pass.cpp
Include <cstddef> for pedantic correctness (this test was already mentioning std::size_t).

"v[i] == (i & 1)" was comparing bool to size_t. Saying "v[i] == ((i & 1) != 0)" smashes the RHS to bool.

llvm-svn: 288749
2016-12-06 01:13:51 +00:00
Stephan T. Lavavej e17a155c61 [libcxx] [test] D27023: Fix MSVC warning C4389 "signed/unsigned mismatch", part 10/12.
Add static_cast<int>. In these cases, the values are guaranteed to be small-ish,
and they're being compared to int elements.

test/std/containers/sequences/deque/deque.capacity/access.pass.cpp
Use int instead of unsigned to iterate from 0 to 10.

llvm-svn: 288747
2016-12-06 01:13:29 +00:00
Stephan T. Lavavej 68a694b800 [libcxx] [test] D27022: Fix MSVC warning C4389 "signed/unsigned mismatch", part 9/12.
Add static_cast<std::size_t> to more comparisons. (Performed manually, unlike part 8/12.)

Also, include <cstddef> when it wasn't already being included.

llvm-svn: 288746
2016-12-06 01:13:14 +00:00
Eric Fiselier 46fcbb4da4 Work around more -Wshadow warnings
llvm-svn: 288573
2016-12-03 02:26:28 +00:00
Stephan T. Lavavej d72ece6462 [libcxx] [test] D27027: Strip trailing whitespace.
llvm-svn: 287829
2016-11-23 22:03:28 +00:00
Stephan T. Lavavej 562f28a6ed [libcxx] [test] D27018: Fix MSVC warning C4018 "signed/unsigned mismatch", part 5/12.
Various changes:

test/std/algorithms/alg.sorting/alg.binary.search/binary.search/binary_search.pass.cpp
Change M from unsigned to int. It's compared against "int x",
and we binary_search() for it within a vector<int>.

test/std/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.f/eval.pass.cpp
test/std/numerics/rand/rand.dis/rand.dist.norm/rand.dist.norm.f/eval_param.pass.cpp
Add static_cast<unsigned> when comparing int to unsigned.

test/std/strings/basic.string/string.cons/size_char_alloc.pass.cpp
Change unsigned indices to int when we're being given int as a bound.

llvm-svn: 287825
2016-11-23 22:02:35 +00:00
Stephan T. Lavavej afe99ae092 [libcxx] [test] D27015: Fix MSVC warning C4018 "signed/unsigned mismatch", part 3/12.
Change unsigned to int in parameters.

llvm-svn: 287823
2016-11-23 22:02:16 +00:00
Stephan T. Lavavej a11d322f0d [libcxx] [test] D27014: Fix MSVC warning C4018 "signed/unsigned mismatch", 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
2016-11-23 22:01:58 +00:00
Stephan T. Lavavej e898b484f6 [libcxx] [test] D27013: Fix MSVC warning C4018 "signed/unsigned mismatch", part 1/12.
Change loop indices from int to std::size_t.

Also, include <cstddef> when it wasn't already being included.

llvm-svn: 287820
2016-11-23 22:01:19 +00:00
Stephan T. Lavavej 09c311b9a4 [libcxx] [test] D26816: Fix non-Standard assumptions when testing sample().
sample() isn't specified with a reproducible algorithm, so expecting
exact output is non-Standard. Mark those tests with LIBCPP_ASSERT.

In test_small_population(), we're guaranteed to get all of the elements,
but not necessarily in their original order. When PopulationCategory is
forward, we're guaranteed stability (and can therefore test equal()).
Otherwise, we can only test is_permutation(). (As it happens, both libcxx
and MSVC's STL provide stability in this scenario for input-only iterators.)

llvm-svn: 287383
2016-11-18 21:54:43 +00:00
Marshall Clow bb1db210a8 Add missing include in test; NFC. Thanks to Jonathan Wakely for the report.
llvm-svn: 284120
2016-10-13 13:21:38 +00:00
Eric Fiselier e58baed3a3 Purge all usages of _LIBCPP_STD_VER under test/std/algorithm
llvm-svn: 283643
2016-10-08 01:25:23 +00:00
Eric Fiselier e7154709e0 Implement C++17 std::sample.
This patch implements the std::sample function added to C++17 from LFTS. It
also removes the std::experimental::sample implementation which now forwards
to std::sample.

llvm-svn: 279948
2016-08-28 22:14:37 +00:00
Eric Fiselier 040411762f Mark LWG 2716 as complete - shuffle and sample disallows lvalue URNGs.
Libc++'s implementation of shuffle and sample already support lvalue and rvalue
RNG's. This patch adds tests for both categories and marks the issue as complete.

This patch also contains drive-by change for std::experimental::sample which
improves the diagnostics produced when the correct iterator categories are
not supplied.

llvm-svn: 279947
2016-08-28 21:55:00 +00:00
Eric Fiselier 1662951974 Fix portability issues in <random> tests. Patch from STL@microsoft.com
llvm-svn: 276585
2016-07-24 23:36:18 +00:00
Marshall Clow e46c0885ff Implement LWG#2688: 'clamp misses preconditions and has extraneous condition on result'. We already did this, just added tests
llvm-svn: 274252
2016-06-30 17:52:51 +00:00
Eric Fiselier 2e0e3df9da Add array bounds assertions to satisfy MSVC's /analyze flag. Patch from STL@microsoft.com
llvm-svn: 273820
2016-06-26 19:48:29 +00:00
Eric Fiselier 56f23a3f7f Move remaining _LIBCPP_VERSION tests into test/libcxx
llvm-svn: 273367
2016-06-22 02:23:22 +00:00
Eric Fiselier f2f2a6395f Replace __cplusplus comparisons and dialect __has_feature checks with 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
2016-06-14 21:31:42 +00:00
Asiri Rathnayake 981986cdfc [libcxx] Fix c++98 test failures.
Adds XFAIL/UNSUPPORTED lit tags as appropriate. Gets a clean test run
for -std=c++98 on Fedora 20.

NFC.

llvm-svn: 271741
2016-06-03 21:40:03 +00:00
Eric Fiselier d04c685168 Remove trailing whitespace in test suite. Approved by Marshall Clow.
llvm-svn: 271435
2016-06-01 21:35:39 +00:00
Eric Fiselier 7626f778a5 Remove names of unreferenced parameters. Patch from STL@microsoft.com
llvm-svn: 267852
2016-04-28 03:17:56 +00:00
Eric Fiselier 0d62791983 Add braces, move braces, and rename variables to avoid shadowing. Patch from STL@microsoft.com
llvm-svn: 267844
2016-04-28 02:45:11 +00:00
Marshall Clow 146c14ac33 Implement P0025R0: 'An algorithm to clamp a value between a pair of boundary values' for C++17
llvm-svn: 262871
2016-03-07 22:43:49 +00:00
Marshall Clow 40631133b4 Change some #ifdefs to #if - thanks to Dexon for thge catch.
llvm-svn: 243641
2015-07-30 13:56:00 +00:00
Marshall Clow adfdae18c8 Fix a self-move bug in inplace_merge. Thanks to Ted and Dexon for the report and the suggested fix.
llvm-svn: 243530
2015-07-29 16:25:45 +00:00
Eric Fiselier 19fa337610 Fix warnings in test/std/algorithms
llvm-svn: 242626
2015-07-18 21:53:16 +00:00
Marshall Clow 0b0671ae36 Fix for LWG Issue 2369: constexpr max(initializer_list) vs max_element
llvm-svn: 236952
2015-05-10 13:53:31 +00:00
Marshall Clow 5f15a8b959 Need to wrap a bit in an ifdef, since there are no initializer_lists in C++03
llvm-svn: 228840
2015-02-11 15:48:21 +00:00
Marshall Clow 002144f61d Fix PR 22541: When values are equal, minmax should return the rightmost one in the initializer_list
llvm-svn: 228839
2015-02-11 15:41:34 +00:00
Eric Fiselier 51544023a9 [libcxx] Properly convert the count arguments to the *_n algorithms before use.
Summary:
The requirement on the `Size` type passed to *_n algorithms is that it is convertible to an integral type. This means we can't use a variable of type `Size` directly. Instead we need to convert it to an integral type first.  The problem is finding out what integral type to convert it to.  `__convert_to_integral` figures out what integral type to convert it to and performs the conversion, It also promotes the resulting integral type so that it is at least as big as an integer. `__convert_to_integral` also has a special case for converting enums. This should only work on non-scoped enumerations because it does not apply an explicit conversion from the enum to its underlying type.



Reviewers: chandlerc, mclow.lists

Reviewed By: mclow.lists

Subscribers: cfe-commits

Differential Revision: http://reviews.llvm.org/D7449

llvm-svn: 228704
2015-02-10 16:46:42 +00:00
Dimitry Andric 7e187f1be9 Test commit: remove whitespace at EOL.
llvm-svn: 228280
2015-02-05 07:26:14 +00:00
Marshall Clow b9595b79f2 Fix PR#22433. The algorithm is_partitioned was testing an item in the middle of the sequence twice.
llvm-svn: 227824
2015-02-02 18:16:35 +00:00
Marshall Clow 0b48cf9a62 Fix PR#22427. The implementation of inplace_merge had a \'small data set\' optimization; if either half of the merge was small (i.e, less than 9 items), it did an inplace merge rather than allocating a buffer and doing a faster/smarter merge. However, this failed to satisfy the complexity requirements in the standard. Remove that code. Add tests to check the complexity, and add the same tests for std::merge, since we are in that section of the test suite anyway.
llvm-svn: 227811
2015-02-02 17:35:53 +00:00
Marshall Clow c57d98ae86 Removed some tabs that snuck into the test suite. No functionality change
llvm-svn: 227363
2015-01-28 20:26:11 +00:00
Marshall Clow d632356aa3 Fix PR 22106; make std::swap work for multi-dimensional arrays. Thanks to Peter Griess for the report and suggested fix
llvm-svn: 225285
2015-01-06 19:20:49 +00:00