diff options
Diffstat (limited to 'libcxx/test/std/algorithms/alg.modifying.operations/alg.partitions/partition_point.pass.cpp')
-rw-r--r-- | libcxx/test/std/algorithms/alg.modifying.operations/alg.partitions/partition_point.pass.cpp | 76 |
1 files changed, 76 insertions, 0 deletions
diff --git a/libcxx/test/std/algorithms/alg.modifying.operations/alg.partitions/partition_point.pass.cpp b/libcxx/test/std/algorithms/alg.modifying.operations/alg.partitions/partition_point.pass.cpp new file mode 100644 index 00000000000..f5b832c6639 --- /dev/null +++ b/libcxx/test/std/algorithms/alg.modifying.operations/alg.partitions/partition_point.pass.cpp @@ -0,0 +1,76 @@ +//===----------------------------------------------------------------------===// +// +// The LLVM Compiler Infrastructure +// +// This file is dual licensed under the MIT and the University of Illinois Open +// Source Licenses. See LICENSE.TXT for details. +// +//===----------------------------------------------------------------------===// + +// <algorithm> + +// template<class ForwardIterator, class Predicate> +// ForwardIterator +// partition_point(ForwardIterator first, ForwardIterator last, Predicate pred); + +#include <algorithm> +#include <cassert> + +#include "test_iterators.h" + +struct is_odd +{ + bool operator()(const int& i) const {return i & 1;} +}; + +int main() +{ + { + const int ia[] = {2, 4, 6, 8, 10}; + assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)), + forward_iterator<const int*>(std::end(ia)), + is_odd()) == forward_iterator<const int*>(ia)); + } + { + const int ia[] = {1, 2, 4, 6, 8}; + assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)), + forward_iterator<const int*>(std::end(ia)), + is_odd()) == forward_iterator<const int*>(ia + 1)); + } + { + const int ia[] = {1, 3, 2, 4, 6}; + assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)), + forward_iterator<const int*>(std::end(ia)), + is_odd()) == forward_iterator<const int*>(ia + 2)); + } + { + const int ia[] = {1, 3, 5, 2, 4, 6}; + assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)), + forward_iterator<const int*>(std::end(ia)), + is_odd()) == forward_iterator<const int*>(ia + 3)); + } + { + const int ia[] = {1, 3, 5, 7, 2, 4}; + assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)), + forward_iterator<const int*>(std::end(ia)), + is_odd()) == forward_iterator<const int*>(ia + 4)); + } + { + const int ia[] = {1, 3, 5, 7, 9, 2}; + assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)), + forward_iterator<const int*>(std::end(ia)), + is_odd()) == forward_iterator<const int*>(ia + 5)); + } + { + const int ia[] = {1, 3, 5, 7, 9, 11}; + assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)), + forward_iterator<const int*>(std::end(ia)), + is_odd()) == forward_iterator<const int*>(ia + 6)); + } + { + const int ia[] = {1, 3, 5, 2, 4, 6, 7}; + assert(std::partition_point(forward_iterator<const int*>(std::begin(ia)), + forward_iterator<const int*>(std::begin(ia)), + is_odd()) == forward_iterator<const int*>(ia)); + } +} |