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This patch almost entirely rewrites the unique_ptr tests. There are a couple
of reasons for this:
A) Most of the *.fail.cpp tests were either incorrect or could be better written
as a *.pass.cpp test that uses <type_traits> to check if certain operations
are valid (Ex. Using static_assert(!std::is_copy_constructible_v<T>) instead
of writing a failure test).
B) [unique.ptr.runtime] has very poor test coverage. Many of the constructors
and assignment operators have to tests at all. The special members that have
tests have very few test cases and are typically way out of date.
C) The tests for [unique.ptr.single] and [unique.ptr.runtime] are largely
duplicates of each other. This means common requirements have two different
sets of tests in two different test files. This makes the tests harder to
maintain than if there was a single copy.
To address (A) this patch changes almost all of the *.fail.cpp tests into
.pass.cpp tests using type traits; Allowing the *.fail.cpp tests to be removed.
The address (B) and (C) the tests for [unique.ptr.single] and [unique.ptr.runtime]
have been combined into a single directory, allowing both specializations to share
common tests. Tests specific to the single/runtime specializations are given the
suffix "*.single.pass.cpp" or "*.runtime.pass.cpp".
Finally the unique.ptr test have been moved into the correct directory according
to the standard. Specifically they have been removed from "utilities/memory" into
"utilities/smartptr".
PS. This patch also adds newly written tests for upcoming unique_ptr changes/fixes.
However since these tests don't currently pass they are guarded by the macro
TEST_WORKAROUND_UPCOMING_UNIQUE_PTR_CHANGES. This allows other STL's to validate
the tests before libc++ implements the changes. The relevant libc++ changes should
land in the next week.
llvm-svn: 300388
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llvm-svn: 300165
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llvm-svn: 300159
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std::unique_ptr's default constructor must be constexpr in order
to allow constant initialization to take place for static objects;
Even though we can never have a constexpr unique_ptr variable since
it's not a literal type.
This patch adds tests that constant initialization takes place by
using the __attribute__((require_constant_initialization)) macro.
llvm-svn: 300158
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times, and add constexpr.
Summary:
__compressed_pair takes and passes it's constructor arguments by value. This causes arguments to be moved 3 times instead of once. This patch addresses that issue and fixes `constexpr` on the constructors.
I would rather have this fix than D27564, and I'm fairly confident it's not ABI breaking but I'm not 100% sure.
I prefer this solution because it removes a lot of code and makes the implementation *much* smaller.
Reviewers: mclow.lists, K-ballo
Reviewed By: K-ballo
Subscribers: K-ballo, cfe-commits
Differential Revision: https://reviews.llvm.org/D27565
llvm-svn: 300140
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llvm-svn: 300132
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For reference deleter types the const qualifier on the return type
of get_deleter() should be ignored, and a non-const deleter should
be returned.
This patch fixes a bug where "const deleter_type&" is incorrectly
formed.
llvm-svn: 300121
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llvm-svn: 292577
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llvm-svn: 290459
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llvm-svn: 276587
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llvm-svn: 271249
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llvm-svn: 269665
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When I was refactoring the unique_ptr.single.ctor tests I added a test
deleter, 'NCDeleter', to deleter.h. Other tests that include deleter.h
redefine the NCDeleter type causing test failures.
llvm-svn: 243733
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One of the last sections of tests that still fail in C++03 are the unique_ptr
tests. This patch begins cleaning up the tests and fixing C++03 failures.
The main changes of this patch:
- The "Deleter" type in "deleter.h" tried to be "move-only" in C++03. However
the move simulation no longer works (see "__rv"). "Deleter" is now copy
constructible in C++03. However copying "Deleter" will "move" the test value
instead of copying it.
- Reduce the unique.ptr.single.ctor tests files from ~25 to 4. There is no
reason the tests were split through so many files.
llvm-svn: 243730
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Automatically enable clang verify whenever the '-verify-ignore-unexpected' flag
is supported.
Failure tests are run using verify if they contain one or more "expected-*"
diagnostics tags. Otherwise they are run normally.
llvm-svn: 241492
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llvm-svn: 228344
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match what was in the standard. Added these includes to the tests. No changes to the library or test results.
llvm-svn: 225541
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llvm-svn: 224658
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