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cc89063bff
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
94 lines
3.9 KiB
C++
94 lines
3.9 KiB
C++
//===----------------------------------------------------------------------===//
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//
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// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
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// See https://llvm.org/LICENSE.txt for license information.
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// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
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//
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//===----------------------------------------------------------------------===//
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// <algorithm>
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// template<class ForwardIterator, class Size, class T>
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// constexpr ForwardIterator // constexpr after C++17
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// search_n(ForwardIterator first, ForwardIterator last, Size count,
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// const T& value);
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#include <algorithm>
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#include <cassert>
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#include "test_macros.h"
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#include "test_iterators.h"
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#include "user_defined_integral.h"
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#if TEST_STD_VER > 17
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TEST_CONSTEXPR bool test_constexpr() {
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int ia[] = {0, 0, 1, 1, 2, 2};
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return (std::search_n(std::begin(ia), std::end(ia), 1, 0) == ia)
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&& (std::search_n(std::begin(ia), std::end(ia), 2, 1) == ia+2)
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&& (std::search_n(std::begin(ia), std::end(ia), 1, 3) == std::end(ia))
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;
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}
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#endif
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template <class Iter>
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void
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test()
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{
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int ia[] = {0, 1, 2, 3, 4, 5};
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const unsigned sa = sizeof(ia)/sizeof(ia[0]);
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assert(std::search_n(Iter(ia), Iter(ia+sa), 0, 0) == Iter(ia));
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assert(std::search_n(Iter(ia), Iter(ia+sa), 1, 0) == Iter(ia+0));
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assert(std::search_n(Iter(ia), Iter(ia+sa), 2, 0) == Iter(ia+sa));
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assert(std::search_n(Iter(ia), Iter(ia+sa), sa, 0) == Iter(ia+sa));
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assert(std::search_n(Iter(ia), Iter(ia+sa), 0, 3) == Iter(ia));
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assert(std::search_n(Iter(ia), Iter(ia+sa), 1, 3) == Iter(ia+3));
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assert(std::search_n(Iter(ia), Iter(ia+sa), 2, 3) == Iter(ia+sa));
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assert(std::search_n(Iter(ia), Iter(ia+sa), sa, 3) == Iter(ia+sa));
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assert(std::search_n(Iter(ia), Iter(ia+sa), 0, 5) == Iter(ia));
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assert(std::search_n(Iter(ia), Iter(ia+sa), 1, 5) == Iter(ia+5));
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assert(std::search_n(Iter(ia), Iter(ia+sa), 2, 5) == Iter(ia+sa));
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assert(std::search_n(Iter(ia), Iter(ia+sa), sa, 5) == Iter(ia+sa));
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int ib[] = {0, 0, 1, 1, 2, 2};
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const unsigned sb = sizeof(ib)/sizeof(ib[0]);
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assert(std::search_n(Iter(ib), Iter(ib+sb), 0, 0) == Iter(ib));
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assert(std::search_n(Iter(ib), Iter(ib+sb), 1, 0) == Iter(ib+0));
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assert(std::search_n(Iter(ib), Iter(ib+sb), 2, 0) == Iter(ib+0));
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assert(std::search_n(Iter(ib), Iter(ib+sb), 3, 0) == Iter(ib+sb));
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assert(std::search_n(Iter(ib), Iter(ib+sb), sb, 0) == Iter(ib+sb));
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assert(std::search_n(Iter(ib), Iter(ib+sb), 0, 1) == Iter(ib));
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assert(std::search_n(Iter(ib), Iter(ib+sb), 1, 1) == Iter(ib+2));
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assert(std::search_n(Iter(ib), Iter(ib+sb), 2, 1) == Iter(ib+2));
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assert(std::search_n(Iter(ib), Iter(ib+sb), 3, 1) == Iter(ib+sb));
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assert(std::search_n(Iter(ib), Iter(ib+sb), sb, 1) == Iter(ib+sb));
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assert(std::search_n(Iter(ib), Iter(ib+sb), 0, 2) == Iter(ib));
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assert(std::search_n(Iter(ib), Iter(ib+sb), 1, 2) == Iter(ib+4));
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assert(std::search_n(Iter(ib), Iter(ib+sb), 2, 2) == Iter(ib+4));
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assert(std::search_n(Iter(ib), Iter(ib+sb), 3, 2) == Iter(ib+sb));
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assert(std::search_n(Iter(ib), Iter(ib+sb), sb, 2) == Iter(ib+sb));
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int ic[] = {0, 0, 0};
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const unsigned sc = sizeof(ic)/sizeof(ic[0]);
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assert(std::search_n(Iter(ic), Iter(ic+sc), 0, 0) == Iter(ic));
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assert(std::search_n(Iter(ic), Iter(ic+sc), 1, 0) == Iter(ic));
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assert(std::search_n(Iter(ic), Iter(ic+sc), 2, 0) == Iter(ic));
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assert(std::search_n(Iter(ic), Iter(ic+sc), 3, 0) == Iter(ic));
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assert(std::search_n(Iter(ic), Iter(ic+sc), 4, 0) == Iter(ic+sc));
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// Check that we properly convert the size argument to an integral.
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(void)std::search_n(Iter(ic), Iter(ic+sc), UserDefinedIntegral<unsigned>(0), 0);
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}
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int main(int, char**)
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{
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test<forward_iterator<const int*> >();
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test<bidirectional_iterator<const int*> >();
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test<random_access_iterator<const int*> >();
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#if TEST_STD_VER > 17
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static_assert(test_constexpr());
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#endif
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return 0;
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}
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