assimp/test/unit/utDefaultIOStream.cpp

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Open Asset Import Library (assimp)
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#include <gtest/gtest.h>
#include "TestIOStream.h"
#include "UnitTestFileGenerator.h"
#include <cstdio>
#include <cstdlib>
#include <string>

using namespace ::Assimp;

class utDefaultIOStream : public ::testing::Test {
    // empty
};

const char data[]{"Lorem ipsum dolor sit amet, consectetur adipiscing elit. Qui\
sque luctus sem diam, ut eleifend arcu auctor eu. Vestibulum id est vel nulla l\
obortis malesuada ut sed turpis. Nulla a volutpat tortor. Nunc vestibulum portt\
itor sapien ornare sagittis volutpat."};

TEST_F( utDefaultIOStream, FileSizeTest ) {
    const auto dataSize = sizeof(data);
    const auto dataCount = dataSize / sizeof(*data);

    char fpath[] = { TMP_PATH"rndfp.XXXXXX" };
    auto* fs = MakeTmpFile(fpath);
    ASSERT_NE(nullptr, fs);
    {
        auto written = std::fwrite(data, sizeof(*data), dataCount, fs );
        EXPECT_NE( 0U, written );
    
        auto vflush = std::fflush( fs );
        ASSERT_EQ(vflush, 0);

        TestDefaultIOStream myStream( fs, fpath);
        size_t size = myStream.FileSize();
        EXPECT_EQ( size, dataSize);
    }
    remove(fpath);
}