vendor/libc++/libc++-release_370-r246257

1 files changed, 30 insertions, 0 deletions

diff --git a/test/std/numerics/numarray/template.valarray/valarray.sub/slice_const.pass.cpp b/test/std/numerics/numarray/template.valarray/valarray.sub/slice_const.pass.cpp
new file mode 100644
index 0000000000000..7f8191035e7a4
--- /dev/null
+++ b/test/std/numerics/numarray/template.valarray/valarray.sub/slice_const.pass.cpp
@@ -0,0 +1,30 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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.
+//
+//===----------------------------------------------------------------------===//
+
+// <valarray>
+
+// template<class T> class valarray;
+
+// valarray operator[](slice s) const;
+
+#include <valarray>
+#include <cassert>
+
+int main()
+{
+    int a1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
+    std::valarray<int> v1(a1, sizeof(a1)/sizeof(a1[0]));
+    std::valarray<int> v2 = v1[std::slice(1, 5, 3)];
+    assert(v2.size() == 5);
+    assert(v2[0] ==  1);
+    assert(v2[1] ==  4);
+    assert(v2[2] ==  7);
+    assert(v2[3] == 10);
+    assert(v2[4] == 13);
+}