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37 * Tests for the ForceBuffers and ForceBuffersView classes.
39 * \author berk Hess <hess@kth.se>
40 * \ingroup module_mdtypes
44 #include "gromacs/mdtypes/forcebuffers.h"
48 #include <gmock/gmock.h>
49 #include <gtest/gtest.h>
51 #include "testutils/testasserts.h"
56 const std::array<RVec, 2> c_forces = { { { 0.5, 0.1, 1.2 }, { -2.1, 0.2, 0.3 } } };
58 TEST(ForceBuffers, ConstructsUnpinned)
60 ForceBuffers forceBuffers;
62 EXPECT_EQ(forceBuffers.pinningPolicy(), PinningPolicy::CannotBePinned);
65 TEST(ForceBuffers, ConstructsPinned)
67 ForceBuffers forceBuffers(false, PinningPolicy::PinnedIfSupported);
69 EXPECT_EQ(forceBuffers.pinningPolicy(), PinningPolicy::PinnedIfSupported);
72 TEST(ForceBuffers, ConstructsEmpty)
74 ForceBuffers forceBuffers;
76 EXPECT_EQ(forceBuffers.view().force().size(), 0);
79 TEST(ForceBuffers, ResizeWorks)
81 ForceBuffers forceBuffers;
83 forceBuffers.resize(2);
84 EXPECT_EQ(forceBuffers.view().force().size(), 2);
87 TEST(ForceBuffers, PaddingWorks)
89 ForceBuffers forceBuffers;
91 forceBuffers.resize(2);
92 auto paddedRef = forceBuffers.view().forceWithPadding();
93 EXPECT_EQ(paddedRef.unpaddedArrayRef().size(), 2);
94 EXPECT_GT(paddedRef.size(), 2);
98 TEST(ForceBuffers, CopyWorks)
100 ForceBuffers forceBuffers;
102 forceBuffers.resize(2);
103 auto force = forceBuffers.view().force();
105 for (RVec& v : force)
111 ForceBuffers forceBuffersCopy;
112 forceBuffersCopy = forceBuffers;
113 auto forceCopy = forceBuffersCopy.view().force();
114 EXPECT_EQ(forceBuffersCopy.view().force().size(), 2);
115 for (index i = 0; i < ssize(forceCopy); i++)
117 for (int d = 0; d < DIM; d++)
119 EXPECT_EQ(forceCopy[i][d], force[i][d]);
124 TEST(ForceBuffers, CopyDoesNotPin)
126 ForceBuffers forceBuffers(false, PinningPolicy::PinnedIfSupported);
128 ForceBuffers forceBuffersCopy;
129 forceBuffersCopy = forceBuffers;
130 EXPECT_EQ(forceBuffersCopy.pinningPolicy(), PinningPolicy::CannotBePinned);