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Add return statement to slice_array and mask_array assignment. Closes PR20614.

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This patch just adds the required return statements to slice_array::operator=
and mask_array::operator=.

Tests were added to check that the return value is the same as the object assigned
to.


git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@215414 91177308-0d34-0410-b5e6-96231b3b80d8
This commit is contained in:
Eric Fiselier
2014-08-12 00:06:58 +00:00
parent 35d775d0e4
commit f4124610c2
3 changed files with 30 additions and 0 deletions
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15
test/numerics/numarray/template.mask.array/mask.array.assign/mask_array.pass.cpp
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@@ -18,6 +18,7 @@
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,
@@ -48,4 +49,18 @@ int main()
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);
}
}