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37 * Tests for mrc file data structure.
39 * \author Christian Blau <cblau@gwdg.de>
40 * \ingroup module_fileio
44 #include "gromacs/fileio/mrcserializer.h"
46 #include <gmock/gmock.h>
47 #include <gtest/gtest.h>
49 #include "gromacs/fileio/mrcdensitymapheader.h"
50 #include "gromacs/utility/inmemoryserializer.h"
52 #include "testutils/testasserts.h"
60 TEST(MrcSerializer, DefaultHeaderValuesAreSet)
62 const MrcDensityMapHeader inputHeader = {};
64 EXPECT_EQ('M', inputHeader.formatIdentifier_[0]);
65 EXPECT_EQ('A', inputHeader.formatIdentifier_[1]);
66 EXPECT_EQ('P', inputHeader.formatIdentifier_[2]);
67 EXPECT_EQ(' ', inputHeader.formatIdentifier_[3]);
70 TEST(MrcSerializer, DefaultHeaderHasRightSerialSize)
73 InMemorySerializer serializer;
74 const MrcDensityMapHeader inputHeader = {};
76 serializeMrcDensityMapHeader(&serializer, inputHeader);
77 const auto serializedHeader = serializer.finishAndGetBuffer();
79 constexpr size_t c_defaultMrcHeaderSize = 1024;
80 EXPECT_EQ(c_defaultMrcHeaderSize, serializedHeader.size());
83 TEST(MrcSerializer, DefaultHeaderIdenticalAfterRoundTrip)
85 InMemorySerializer serializer;
86 const MrcDensityMapHeader inputHeader = {};
88 serializeMrcDensityMapHeader(&serializer, inputHeader);
89 const auto serializedHeader = serializer.finishAndGetBuffer();
91 InMemoryDeserializer deserializer(serializedHeader, false);
92 const auto deserializedHeader = deserializeMrcDensityMapHeader(&deserializer);
94 // comparing serialized results saves MrcDensityHeaders comparison implementation
95 serializeMrcDensityMapHeader(&serializer, deserializedHeader);
96 const auto roundTripResult = serializer.finishAndGetBuffer();
97 EXPECT_THAT(serializedHeader, testing::Pointwise(testing::Eq(), roundTripResult));