aboutsummaryrefslogtreecommitdiff
path: root/test/std/algorithms/alg.nonmodifying/alg.is_permutation/is_permutation.pass.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'test/std/algorithms/alg.nonmodifying/alg.is_permutation/is_permutation.pass.cpp')
-rw-r--r--test/std/algorithms/alg.nonmodifying/alg.is_permutation/is_permutation.pass.cpp605
1 files changed, 605 insertions, 0 deletions
diff --git a/test/std/algorithms/alg.nonmodifying/alg.is_permutation/is_permutation.pass.cpp b/test/std/algorithms/alg.nonmodifying/alg.is_permutation/is_permutation.pass.cpp
new file mode 100644
index 000000000000..028aec5e7f29
--- /dev/null
+++ b/test/std/algorithms/alg.nonmodifying/alg.is_permutation/is_permutation.pass.cpp
@@ -0,0 +1,605 @@
+//===----------------------------------------------------------------------===//
+//
+// 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 ForwardIterator1, class ForwardIterator2>
+// bool
+// is_permutation(ForwardIterator1 first1, ForwardIterator1 last1,
+// ForwardIterator2 first2);
+
+#include <algorithm>
+#include <cassert>
+
+#include "test_iterators.h"
+
+#if _LIBCPP_STD_VER > 11
+#define HAS_FOUR_ITERATOR_VERSION
+#endif
+
+int main()
+{
+ {
+ const int ia[] = {0};
+ const int ib[] = {0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + 0),
+ forward_iterator<const int*>(ib)) == true);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + 0),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + 0)) == true);
+#endif
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == true);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == true);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa - 1)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0};
+ const int ib[] = {1};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+
+ {
+ const int ia[] = {0, 0};
+ const int ib[] = {0, 0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == true);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == true);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa - 1)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 0};
+ const int ib[] = {0, 1};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 0};
+ const int ib[] = {1, 0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 0};
+ const int ib[] = {1, 1};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 1};
+ const int ib[] = {0, 0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 1};
+ const int ib[] = {0, 1};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == true);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == true);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa - 1)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 1};
+ const int ib[] = {1, 0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == true);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == true);
+#endif
+ }
+ {
+ const int ia[] = {0, 1};
+ const int ib[] = {1, 1};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {1, 0};
+ const int ib[] = {0, 0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {1, 0};
+ const int ib[] = {0, 1};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == true);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == true);
+#endif
+ }
+ {
+ const int ia[] = {1, 0};
+ const int ib[] = {1, 0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == true);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == true);
+#endif
+ }
+ {
+ const int ia[] = {1, 0};
+ const int ib[] = {1, 1};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {1, 1};
+ const int ib[] = {0, 0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {1, 1};
+ const int ib[] = {0, 1};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {1, 1};
+ const int ib[] = {1, 0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {1, 1};
+ const int ib[] = {1, 1};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == true);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == true);
+#endif
+ }
+
+ {
+ const int ia[] = {0, 0, 0};
+ const int ib[] = {1, 0, 0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 0, 0};
+ const int ib[] = {1, 0, 1};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 0, 0};
+ const int ib[] = {1, 0, 2};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 0, 0};
+ const int ib[] = {1, 1, 0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 0, 0};
+ const int ib[] = {1, 1, 1};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 0, 0};
+ const int ib[] = {1, 1, 2};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 0, 0};
+ const int ib[] = {1, 2, 0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 0, 0};
+ const int ib[] = {1, 2, 1};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 0, 0};
+ const int ib[] = {1, 2, 2};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 0, 1};
+ const int ib[] = {1, 0, 0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == true);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == true);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa - 1)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 0, 1};
+ const int ib[] = {1, 0, 1};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 1, 2};
+ const int ib[] = {1, 0, 2};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == true);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == true);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa - 1)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 1, 2};
+ const int ib[] = {1, 2, 0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == true);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == true);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa - 1)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 1, 2};
+ const int ib[] = {2, 1, 0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == true);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == true);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa - 1)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 1, 2};
+ const int ib[] = {2, 0, 1};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == true);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == true);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa - 1)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 0, 1};
+ const int ib[] = {1, 0, 1};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 0, 1};
+ const int ib[] = {1, 0, 0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == true);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == true);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib + 1),
+ forward_iterator<const int*>(ib + sa)) == false);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa - 1)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 1, 2, 3, 0, 5, 6, 2, 4, 4};
+ const int ib[] = {4, 2, 3, 0, 1, 4, 0, 5, 6, 2};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == true);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == true);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib + 1 ),
+ forward_iterator<const int*>(ib + sa)) == false);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa - 1)) == false);
+#endif
+ }
+ {
+ const int ia[] = {0, 1, 2, 3, 0, 5, 6, 2, 4, 4};
+ const int ib[] = {4, 2, 3, 0, 1, 4, 0, 5, 6, 0};
+ const unsigned sa = sizeof(ia)/sizeof(ia[0]);
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib)) == false);
+#ifdef HAS_FOUR_ITERATOR_VERSION
+ assert(std::is_permutation(forward_iterator<const int*>(ia),
+ forward_iterator<const int*>(ia + sa),
+ forward_iterator<const int*>(ib),
+ forward_iterator<const int*>(ib + sa)) == false);
+#endif
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2025-12-01 09:46:34 +0000