src/gromacs/mdspan/tests/accessor_policy.cpp

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  35 /*! \internal \file
  36  * \brief Testing gmx::accessor_policy.
  37  *
  38  * \author Christian Blau <cblau@gwdg.de>
  39  */
  40 #include "gmxpre.h"
  41
  42 #include "gromacs/mdspan/accessor_policy.h"
  43
  44 #include <array>
  45
  46 #include <gtest/gtest.h>
  47
  48 namespace gmx
  49 {
  50
  51 class BasicAccessorPolicy : public ::testing::Test
  52 {
  53     public:
  54         std::array<float, 3>  testdata = {{1., 2., 3.}};
  55         accessor_basic<float> acc;
  56 };
  57
  58 TEST_F(BasicAccessorPolicy, Decay) {
  59     EXPECT_EQ(acc.decay(testdata.data()), testdata.data());
  60 }
  61
  62 TEST_F(BasicAccessorPolicy, Access) {
  63     for (size_t i = 0; i < testdata.size(); ++i)
  64     {
  65         EXPECT_EQ(acc.access(testdata.data(), i), testdata[i]);
  66     }
  67 }
  68
  69 TEST_F(BasicAccessorPolicy, Offset) {
  70     for (size_t i = 0; i < testdata.size(); ++i)
  71     {
  72         EXPECT_EQ(acc.offset(testdata.data(), i), testdata.data() + i );
  73     }
  74 }
  75
  76 TEST_F(BasicAccessorPolicy, CopyAccessor) {
  77     const auto newAcc = acc;
  78
  79     EXPECT_EQ(acc.decay(testdata.data()), newAcc.decay(testdata.data()));
  80     for (size_t i = 0; i < testdata.size(); ++i)
  81     {
  82         EXPECT_EQ(acc.access(testdata.data(), i), newAcc.access(testdata.data(), i));
  83     }
  84
  85     for (size_t i = 0; i < testdata.size(); ++i)
  86     {
  87         EXPECT_EQ(acc.offset(testdata.data(), i), newAcc.offset(testdata.data(), i));
  88     }
  89 }
  90
  91 } // namespace gmx