libcxx initial import

llvm-svn: 103490

1 files changed, 43 insertions, 0 deletions

diff --git a/libcxx/test/numerics/numarray/template.valarray/valarray.sub/slice_non_const.pass.cpp b/libcxx/test/numerics/numarray/template.valarray/valarray.sub/slice_non_const.pass.cpp
new file mode 100644
index 00000000000..96c3772e547
--- /dev/null
+++ b/libcxx/test/numerics/numarray/template.valarray/valarray.sub/slice_non_const.pass.cpp
@@ -0,0 +1,43 @@
+//===----------------------------------------------------------------------===//
+//
+// ΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚΚThe LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <valarray>
+
+// template<class T> class valarray;
+
+// slice_array<value_type> operator[](slice s);
+
+#include <valarray>
+#include <cassert>
+
+int main()
+{
+    int a1[] = {0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15};
+    int a2[] = {-1, -2, -3, -4, -5};
+    std::valarray<int> v1(a1, sizeof(a1)/sizeof(a1[0]));
+    std::valarray<int> v2(a2, sizeof(a2)/sizeof(a2[0]));
+    v1[std::slice(1, 5, 3)] = v2;
+    assert(v1.size() == 16);
+    assert(v1[ 0] ==  0);
+    assert(v1[ 1] == -1);
+    assert(v1[ 2] ==  2);
+    assert(v1[ 3] ==  3);
+    assert(v1[ 4] == -2);
+    assert(v1[ 5] ==  5);
+    assert(v1[ 6] ==  6);
+    assert(v1[ 7] == -3);
+    assert(v1[ 8] ==  8);
+    assert(v1[ 9] ==  9);
+    assert(v1[10] == -4);
+    assert(v1[11] == 11);
+    assert(v1[12] == 12);
+    assert(v1[13] == -5);
+    assert(v1[14] == 14);
+    assert(v1[15] == 15);
+}