Merge branch 'main' into users/mingmingl-llvm/samplefdo-profile-formatusers/mingmingl-llvm/samplefdo-profile-format

1 files changed, 46 insertions, 0 deletions

diff --git a/libcxx/test/libcxx-03/numerics/numarray/class.slice.array/get.pass.cpp b/libcxx/test/libcxx-03/numerics/numarray/class.slice.array/get.pass.cpp
new file mode 100644
index 000000000000..26871f310bae
--- /dev/null
+++ b/libcxx/test/libcxx-03/numerics/numarray/class.slice.array/get.pass.cpp
@@ -0,0 +1,46 @@
+//===----------------------------------------------------------------------===//
+//
+// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
+// See https://llvm.org/LICENSE.txt for license information.
+// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
+//
+//===----------------------------------------------------------------------===//
+
+// <valarray>
+
+// template<class T> class slice_array;
+
+// T __get(size_t i);
+
+#include <valarray>
+#include <cassert>
+
+#include "test_macros.h"
+
+int main(int, char**) {
+  unsigned input[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9};
+  const unsigned N = sizeof(input) / sizeof(input[0]);
+
+  std::valarray<unsigned> array(input, N);
+
+  {
+    std::slice_array<unsigned> result = array[std::slice(0, N, 1)];
+    for (unsigned i = 0; i < N; ++i)
+      assert(result.__get(i) == i);
+  }
+
+  {
+    std::slice_array<unsigned> result = array[std::slice(3, 2, 2)];
+    assert(result.__get(0) == 3);
+    assert(result.__get(1) == 5);
+  }
+
+  {
+    std::slice_array<unsigned> result = array[std::slice(1, 3, 4)];
+    assert(result.__get(0) == 1);
+    assert(result.__get(1) == 5);
+    assert(result.__get(2) == 9);
+  }
+
+  return 0;
+}