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test/test_xview.cpp: Added test for issue 2228 #2229

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test/test_xview.cpp: Added test for issue 2228 #2229

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27 changes: 27 additions & 0 deletions test/test_xview.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -903,6 +903,33 @@ namespace xt
EXPECT_EQ(s7, s7e);
}

TEST(xview, strides_issue_2228)
{
{
xt::xtensor<uint8_t, 2> aTensor = xt::zeros<uint8_t>({4, 3});
auto aView = xt::view(aTensor, xt::newaxis(), xt::newaxis(), xt::newaxis(), xt::all(), xt::all());
uint8_t vIndex = 0;
for (size_t vRow = 0; vRow < 3; ++vRow) {
for (size_t vCol = 0; vCol < 3; ++vCol) {
aView(size_t{0}, size_t{0}, size_t{0}, vRow, vCol) = vIndex;
EXPECT_EQ(aTensor(vRow, vCol), vIndex);
++vIndex;
}
}
}

{
xt::xtensor<bool, 2> aTensor = xt::zeros<bool>({4, 3});
auto aView = xt::view(aTensor, xt::newaxis(), xt::newaxis(), xt::newaxis(), xt::all(), xt::all());
for (size_t vRow = 0; vRow < 4; ++vRow) {
for (size_t vCol = 0; vCol < 3; ++vCol) {
aView(size_t{0}, size_t{0}, size_t{0}, vRow, vCol) = true;
}
}
EXPECT_EQ(aTensor, aView);
}
}

TEST(xview, to_scalar)
{
std::array<std::size_t, 3> sh{2,2,2};
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