Move test into test/std subdirectory.

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@224658 91177308-0d34-0410-b5e6-96231b3b80d8

test/std/numerics/numarray/template.mask.array/default.fail.cpp

@@ -0,0 +1,22 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 mask_array
+
+// mask_array() = delete;
+
+#include <valarray>
+#include <type_traits>
+
+int main()
+{
+    std::mask_array<int> s;
+}

test/std/numerics/numarray/template.mask.array/mask.array.assign/mask_array.pass.cpp

@@ -0,0 +1,66 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 mask_array
+
+// void mask_array& operator=(const mask_array& ma) 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};
+    const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
+    bool b1[N1] = {true,  false, false, true,  true,  false,
+                   false, true,  false, false, false, true};
+    int a2[] = {-1, -2, -3, -4, -5, -6, -7, -8};
+    const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);
+    bool b2[N2] = {true,  false, true, true,
+                   false, false, true, true};
+    std::valarray<int> v1(a1, N1);
+    const std::valarray<int> v2(a2, N2);
+    std::valarray<bool> vb1(b1, N1);
+    std::valarray<bool> vb2(b2, N2);
+    v1[vb1] = v2[vb2];
+    assert(v1.size() == 16);
+    assert(v1[ 0] == -1);
+    assert(v1[ 1] ==  1);
+    assert(v1[ 2] ==  2);
+    assert(v1[ 3] == -3);
+    assert(v1[ 4] == -4);
+    assert(v1[ 5] ==  5);
+    assert(v1[ 6] ==  6);
+    assert(v1[ 7] == -7);
+    assert(v1[ 8] ==  8);
+    assert(v1[ 9] ==  9);
+    assert(v1[10] == 10);
+    assert(v1[11] == -8);
+    assert(v1[12] == 12);
+    assert(v1[13] == 13);
+    assert(v1[14] == 14);
+    assert(v1[15] == 15);
+    }
+    // Test return value of assignment
+    {
+    int a1[] = {0, 1, 2};
+    int a2[] = {3, 4, 5};
+    bool b1[] = {true, false, true};
+    std::valarray<int> v1(a1, 3);
+    std::valarray<int> v2(a2, 3);
+    std::valarray<bool> const vb1(b1, 3);
+    std::mask_array<int> m1 = v1[vb1];
+    std::mask_array<int> const m2 = v2[vb1];
+    std::mask_array<int> const & r = (m1 = m2);
+    assert(&r == &m1);
+    }
+}

test/std/numerics/numarray/template.mask.array/mask.array.assign/valarray.pass.cpp

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 mask_array
+
+// void operator=(const valarray<value_type>& v) 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};
+    const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
+    int a2[] = {1, 2, 3, 4, 5};
+    const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);
+    bool b[N1] = {true,  false, false, true,  true,  false,
+                  false, true,  false, false, false, true};
+    std::valarray<int> v1(a1, N1);
+    std::valarray<int> v2(a2, N2);
+    assert(N2 == std::count(b, b+N1, true));
+    std::valarray<bool> vb(b, N1);
+    v1[vb] = v2;
+    assert(v1.size() == 16);
+    assert(v1[ 0] ==  1);
+    assert(v1[ 1] ==  1);
+    assert(v1[ 2] ==  2);
+    assert(v1[ 3] ==  2);
+    assert(v1[ 4] ==  3);
+    assert(v1[ 5] ==  5);
+    assert(v1[ 6] ==  6);
+    assert(v1[ 7] ==  4);
+    assert(v1[ 8] ==  8);
+    assert(v1[ 9] ==  9);
+    assert(v1[10] == 10);
+    assert(v1[11] ==  5);
+    assert(v1[12] == 12);
+    assert(v1[13] == 13);
+    assert(v1[14] == 14);
+    assert(v1[15] == 15);
+}

test/std/numerics/numarray/template.mask.array/mask.array.comp.assign/addition.pass.cpp

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 mask_array
+
+// void operator+=(const valarray<value_type>& v) 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};
+    const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
+    int a2[] = {1, 2, 3, 4, 5};
+    const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);
+    bool b[N1] = {true,  false, false, true,  true,  false,
+                  false, true,  false, false, false, true};
+    std::valarray<int> v1(a1, N1);
+    std::valarray<int> v2(a2, N2);
+    assert(N2 == std::count(b, b+N1, true));
+    std::valarray<bool> vb(b, N1);
+    v1[vb] += v2;
+    assert(v1.size() == 16);
+    assert(v1[ 0] ==  1);
+    assert(v1[ 1] ==  1);
+    assert(v1[ 2] ==  2);
+    assert(v1[ 3] ==  5);
+    assert(v1[ 4] ==  7);
+    assert(v1[ 5] ==  5);
+    assert(v1[ 6] ==  6);
+    assert(v1[ 7] == 11);
+    assert(v1[ 8] ==  8);
+    assert(v1[ 9] ==  9);
+    assert(v1[10] == 10);
+    assert(v1[11] == 16);
+    assert(v1[12] == 12);
+    assert(v1[13] == 13);
+    assert(v1[14] == 14);
+    assert(v1[15] == 15);
+}

test/std/numerics/numarray/template.mask.array/mask.array.comp.assign/and.pass.cpp

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 mask_array
+
+// void operator&=(const valarray<value_type>& v) 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};
+    const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
+    int a2[] = {1, 2, 3, 4, 5};
+    const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);
+    bool b[N1] = {true,  false, false, true,  true,  false,
+                  false, true,  false, false, false, true};
+    std::valarray<int> v1(a1, N1);
+    std::valarray<int> v2(a2, N2);
+    assert(N2 == std::count(b, b+N1, true));
+    std::valarray<bool> vb(b, N1);
+    v1[vb] &= v2;
+    assert(v1.size() == 16);
+    assert(v1[ 0] ==  0);
+    assert(v1[ 1] ==  1);
+    assert(v1[ 2] ==  2);
+    assert(v1[ 3] ==  2);
+    assert(v1[ 4] ==  0);
+    assert(v1[ 5] ==  5);
+    assert(v1[ 6] ==  6);
+    assert(v1[ 7] ==  4);
+    assert(v1[ 8] ==  8);
+    assert(v1[ 9] ==  9);
+    assert(v1[10] == 10);
+    assert(v1[11] ==  1);
+    assert(v1[12] == 12);
+    assert(v1[13] == 13);
+    assert(v1[14] == 14);
+    assert(v1[15] == 15);
+}

test/std/numerics/numarray/template.mask.array/mask.array.comp.assign/divide.pass.cpp

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 mask_array
+
+// void operator/=(const valarray<value_type>& v) 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};
+    const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
+    int a2[] = {1, 2, 3, 4, 5};
+    const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);
+    bool b[N1] = {true,  false, false, true,  true,  false,
+                  false, true,  false, false, false, true};
+    std::valarray<int> v1(a1, N1);
+    std::valarray<int> v2(a2, N2);
+    assert(N2 == std::count(b, b+N1, true));
+    std::valarray<bool> vb(b, N1);
+    v1[vb] /= v2;
+    assert(v1.size() == 16);
+    assert(v1[ 0] ==  0);
+    assert(v1[ 1] ==  1);
+    assert(v1[ 2] ==  2);
+    assert(v1[ 3] ==  1);
+    assert(v1[ 4] ==  1);
+    assert(v1[ 5] ==  5);
+    assert(v1[ 6] ==  6);
+    assert(v1[ 7] ==  1);
+    assert(v1[ 8] ==  8);
+    assert(v1[ 9] ==  9);
+    assert(v1[10] == 10);
+    assert(v1[11] ==  2);
+    assert(v1[12] == 12);
+    assert(v1[13] == 13);
+    assert(v1[14] == 14);
+    assert(v1[15] == 15);
+}

test/std/numerics/numarray/template.mask.array/mask.array.comp.assign/modulo.pass.cpp

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 mask_array
+
+// void operator%=(const valarray<value_type>& v) 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};
+    const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
+    int a2[] = {1, 2, 3, 4, 5};
+    const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);
+    bool b[N1] = {true,  false, false, true,  true,  false,
+                  false, true,  false, false, false, true};
+    std::valarray<int> v1(a1, N1);
+    std::valarray<int> v2(a2, N2);
+    assert(N2 == std::count(b, b+N1, true));
+    std::valarray<bool> vb(b, N1);
+    v1[vb] %= v2;
+    assert(v1.size() == 16);
+    assert(v1[ 0] ==  0);
+    assert(v1[ 1] ==  1);
+    assert(v1[ 2] ==  2);
+    assert(v1[ 3] ==  1);
+    assert(v1[ 4] ==  1);
+    assert(v1[ 5] ==  5);
+    assert(v1[ 6] ==  6);
+    assert(v1[ 7] ==  3);
+    assert(v1[ 8] ==  8);
+    assert(v1[ 9] ==  9);
+    assert(v1[10] == 10);
+    assert(v1[11] ==  1);
+    assert(v1[12] == 12);
+    assert(v1[13] == 13);
+    assert(v1[14] == 14);
+    assert(v1[15] == 15);
+}

test/std/numerics/numarray/template.mask.array/mask.array.comp.assign/multiply.pass.cpp

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 mask_array
+
+// void operator*=(const valarray<value_type>& v) 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};
+    const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
+    int a2[] = {1, 2, 3, 4, 5};
+    const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);
+    bool b[N1] = {true,  false, false, true,  true,  false,
+                  false, true,  false, false, false, true};
+    std::valarray<int> v1(a1, N1);
+    std::valarray<int> v2(a2, N2);
+    assert(N2 == std::count(b, b+N1, true));
+    std::valarray<bool> vb(b, N1);
+    v1[vb] *= v2;
+    assert(v1.size() == 16);
+    assert(v1[ 0] ==  0);
+    assert(v1[ 1] ==  1);
+    assert(v1[ 2] ==  2);
+    assert(v1[ 3] ==  6);
+    assert(v1[ 4] == 12);
+    assert(v1[ 5] ==  5);
+    assert(v1[ 6] ==  6);
+    assert(v1[ 7] == 28);
+    assert(v1[ 8] ==  8);
+    assert(v1[ 9] ==  9);
+    assert(v1[10] == 10);
+    assert(v1[11] == 55);
+    assert(v1[12] == 12);
+    assert(v1[13] == 13);
+    assert(v1[14] == 14);
+    assert(v1[15] == 15);
+}

test/std/numerics/numarray/template.mask.array/mask.array.comp.assign/or.pass.cpp

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 mask_array
+
+// void operator|=(const valarray<value_type>& v) 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};
+    const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
+    int a2[] = {1, 2, 3, 4, 5};
+    const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);
+    bool b[N1] = {true,  false, false, true,  true,  false,
+                  false, true,  false, false, false, true};
+    std::valarray<int> v1(a1, N1);
+    std::valarray<int> v2(a2, N2);
+    assert(N2 == std::count(b, b+N1, true));
+    std::valarray<bool> vb(b, N1);
+    v1[vb] |= v2;
+    assert(v1.size() == 16);
+    assert(v1[ 0] ==  1);
+    assert(v1[ 1] ==  1);
+    assert(v1[ 2] ==  2);
+    assert(v1[ 3] ==  3);
+    assert(v1[ 4] ==  7);
+    assert(v1[ 5] ==  5);
+    assert(v1[ 6] ==  6);
+    assert(v1[ 7] ==  7);
+    assert(v1[ 8] ==  8);
+    assert(v1[ 9] ==  9);
+    assert(v1[10] == 10);
+    assert(v1[11] == 15);
+    assert(v1[12] == 12);
+    assert(v1[13] == 13);
+    assert(v1[14] == 14);
+    assert(v1[15] == 15);
+}

test/std/numerics/numarray/template.mask.array/mask.array.comp.assign/shift_left.pass.cpp

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 mask_array
+
+// void operator<<=(const valarray<value_type>& v) 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};
+    const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
+    int a2[] = {1, 2, 3, 4, 5};
+    const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);
+    bool b[N1] = {true,  false, false, true,  true,  false,
+                  false, true,  false, false, false, true};
+    std::valarray<int> v1(a1, N1);
+    std::valarray<int> v2(a2, N2);
+    assert(N2 == std::count(b, b+N1, true));
+    std::valarray<bool> vb(b, N1);
+    v1[vb] <<= v2;
+    assert(v1.size() == 16);
+    assert(v1[ 0] ==  0);
+    assert(v1[ 1] ==  1);
+    assert(v1[ 2] ==  2);
+    assert(v1[ 3] == 12);
+    assert(v1[ 4] == 32);
+    assert(v1[ 5] ==  5);
+    assert(v1[ 6] ==  6);
+    assert(v1[ 7] == 112);
+    assert(v1[ 8] ==  8);
+    assert(v1[ 9] ==  9);
+    assert(v1[10] == 10);
+    assert(v1[11] == 352);
+    assert(v1[12] == 12);
+    assert(v1[13] == 13);
+    assert(v1[14] == 14);
+    assert(v1[15] == 15);
+}

test/std/numerics/numarray/template.mask.array/mask.array.comp.assign/shift_right.pass.cpp

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 mask_array
+
+// void operator>>=(const valarray<value_type>& v) 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};
+    const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
+    int a2[] = {1, 2, 3, 4, 5};
+    const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);
+    bool b[N1] = {true,  false, false, true,  true,  false,
+                  false, true,  false, false, false, true};
+    std::valarray<int> v1(a1, N1);
+    std::valarray<int> v2(a2, N2);
+    assert(N2 == std::count(b, b+N1, true));
+    std::valarray<bool> vb(b, N1);
+    v1[vb] >>= v2;
+    assert(v1.size() == 16);
+    assert(v1[ 0] ==  0);
+    assert(v1[ 1] ==  1);
+    assert(v1[ 2] ==  2);
+    assert(v1[ 3] ==  0);
+    assert(v1[ 4] ==  0);
+    assert(v1[ 5] ==  5);
+    assert(v1[ 6] ==  6);
+    assert(v1[ 7] ==  0);
+    assert(v1[ 8] ==  8);
+    assert(v1[ 9] ==  9);
+    assert(v1[10] == 10);
+    assert(v1[11] ==  0);
+    assert(v1[12] == 12);
+    assert(v1[13] == 13);
+    assert(v1[14] == 14);
+    assert(v1[15] == 15);
+}

test/std/numerics/numarray/template.mask.array/mask.array.comp.assign/subtraction.pass.cpp

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 mask_array
+
+// void operator-=(const valarray<value_type>& v) 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};
+    const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
+    int a2[] = {1, 2, 3, 4, 5};
+    const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);
+    bool b[N1] = {true,  false, false, true,  true,  false,
+                  false, true,  false, false, false, true};
+    std::valarray<int> v1(a1, N1);
+    std::valarray<int> v2(a2, N2);
+    assert(N2 == std::count(b, b+N1, true));
+    std::valarray<bool> vb(b, N1);
+    v1[vb] -= v2;
+    assert(v1.size() == 16);
+    assert(v1[ 0] == -1);
+    assert(v1[ 1] ==  1);
+    assert(v1[ 2] ==  2);
+    assert(v1[ 3] ==  1);
+    assert(v1[ 4] ==  1);
+    assert(v1[ 5] ==  5);
+    assert(v1[ 6] ==  6);
+    assert(v1[ 7] ==  3);
+    assert(v1[ 8] ==  8);
+    assert(v1[ 9] ==  9);
+    assert(v1[10] == 10);
+    assert(v1[11] ==  6);
+    assert(v1[12] == 12);
+    assert(v1[13] == 13);
+    assert(v1[14] == 14);
+    assert(v1[15] == 15);
+}

test/std/numerics/numarray/template.mask.array/mask.array.comp.assign/xor.pass.cpp

@@ -0,0 +1,49 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 mask_array
+
+// void operator^=(const valarray<value_type>& v) 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};
+    const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
+    int a2[] = {1, 2, 3, 4, 5};
+    const std::size_t N2 = sizeof(a2)/sizeof(a2[0]);
+    bool b[N1] = {true,  false, false, true,  true,  false,
+                  false, true,  false, false, false, true};
+    std::valarray<int> v1(a1, N1);
+    std::valarray<int> v2(a2, N2);
+    assert(N2 == std::count(b, b+N1, true));
+    std::valarray<bool> vb(b, N1);
+    v1[vb] ^= v2;
+    assert(v1.size() == 16);
+    assert(v1[ 0] ==  1);
+    assert(v1[ 1] ==  1);
+    assert(v1[ 2] ==  2);
+    assert(v1[ 3] ==  1);
+    assert(v1[ 4] ==  7);
+    assert(v1[ 5] ==  5);
+    assert(v1[ 6] ==  6);
+    assert(v1[ 7] ==  3);
+    assert(v1[ 8] ==  8);
+    assert(v1[ 9] ==  9);
+    assert(v1[10] == 10);
+    assert(v1[11] == 14);
+    assert(v1[12] == 12);
+    assert(v1[13] == 13);
+    assert(v1[14] == 14);
+    assert(v1[15] == 15);
+}

test/std/numerics/numarray/template.mask.array/mask.array.fill/assign_value.pass.cpp

@@ -0,0 +1,45 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 mask_array
+
+// void operator=(const value_type& x) 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};
+    const std::size_t N1 = sizeof(a1)/sizeof(a1[0]);
+    bool b[N1] = {true,  false, false, true,  true,  false,
+                  false, true,  false, false, false, true};
+    std::valarray<int> v1(a1, N1);
+    std::valarray<bool> vb(b, N1);
+    v1[vb] = -5;
+    assert(v1.size() == 16);
+    assert(v1[ 0] == -5);
+    assert(v1[ 1] ==  1);
+    assert(v1[ 2] ==  2);
+    assert(v1[ 3] == -5);
+    assert(v1[ 4] == -5);
+    assert(v1[ 5] ==  5);
+    assert(v1[ 6] ==  6);
+    assert(v1[ 7] == -5);
+    assert(v1[ 8] ==  8);
+    assert(v1[ 9] ==  9);
+    assert(v1[10] == 10);
+    assert(v1[11] == -5);
+    assert(v1[12] == 12);
+    assert(v1[13] == 13);
+    assert(v1[14] == 14);
+    assert(v1[15] == 15);
+}

test/std/numerics/numarray/template.mask.array/types.pass.cpp

@@ -0,0 +1,24 @@
+//===----------------------------------------------------------------------===//
+//
+//                     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 mask_array
+// {
+// public:
+//     typedef T value_type;
+
+#include <valarray>
+#include <type_traits>
+
+int main()
+{
+    static_assert((std::is_same<std::mask_array<int>::value_type, int>::value), "");
+}