C++ Array::size方法代码示例

void BufferGLTest::map() {
    #ifdef MAGNUM_TARGET_GLES
    if(!Context::current()->isExtensionSupported<Extensions::GL::OES::mapbuffer>())
        CORRADE_SKIP(Extensions::GL::OES::mapbuffer::string() + std::string(" is not supported"));
    #endif
    Buffer buffer;

    constexpr char data[] = {2, 7, 5, 13, 25};
    buffer.setData(data, BufferUsage::StaticDraw);

    #ifndef MAGNUM_TARGET_GLES
    char* contents = buffer.map<char>(Buffer::MapAccess::ReadWrite);
    #else
    char* contents = buffer.map<char>(Buffer::MapAccess::WriteOnly);
    #endif
    MAGNUM_VERIFY_NO_ERROR();

    CORRADE_VERIFY(contents);
    #ifndef MAGNUM_TARGET_GLES2
    CORRADE_COMPARE(contents[2], 5);
    #endif
    contents[3] = 107;

    CORRADE_VERIFY(buffer.unmap());
    MAGNUM_VERIFY_NO_ERROR();

    /** @todo How to verify the contents in ES? */
    #ifndef MAGNUM_TARGET_GLES
    Containers::Array<char> changedContents = buffer.data<char>();
    CORRADE_COMPARE(changedContents.size(), 5);
    CORRADE_COMPARE(changedContents[3], 107);
    #endif
}

void BufferGLTest::mapRange() {
    #ifndef MAGNUM_TARGET_GLES
    if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::map_buffer_range>())
        CORRADE_SKIP(Extensions::GL::ARB::map_buffer_range::string() + std::string(" is not supported"));
    #elif defined(MAGNUM_TARGET_GLES2)
    if(!Context::current()->isExtensionSupported<Extensions::GL::EXT::map_buffer_range>())
        CORRADE_SKIP(Extensions::GL::EXT::map_buffer_range::string() + std::string(" is not supported"));
    #endif

    constexpr char data[] = {2, 7, 5, 13, 25};
    Buffer buffer;
    buffer.setData(data, BufferUsage::StaticDraw);

    char* contents = buffer.map<char>(1, 4, Buffer::MapFlag::Read|Buffer::MapFlag::Write);
    MAGNUM_VERIFY_NO_ERROR();

    CORRADE_VERIFY(contents);
    CORRADE_COMPARE(contents[2], 13);
    contents[3] = 107;

    CORRADE_VERIFY(buffer.unmap());
    MAGNUM_VERIFY_NO_ERROR();

    /** @todo How to verify the contents in ES? */
    #ifndef MAGNUM_TARGET_GLES
    Containers::Array<char> changedContents = buffer.data<char>();
    CORRADE_COMPARE(changedContents.size(), 5);
    CORRADE_COMPARE(changedContents[4], 107);
    #endif
}

void ArrayTest::constructMove() {
    Array a(5);
    CORRADE_VERIFY(a);
    const int* const ptr = a;

    Array b(std::move(a));
    CORRADE_VERIFY(a == nullptr);
    CORRADE_VERIFY(b == ptr);
    CORRADE_COMPARE(a.size(), 0);
    CORRADE_COMPARE(b.size(), 5);

    Array c;
    c = std::move(b);
    CORRADE_VERIFY(b == nullptr);
    CORRADE_VERIFY(c == ptr);
    CORRADE_COMPARE(b.size(), 0);
    CORRADE_COMPARE(c.size(), 5);
}

void WavImporterTest::mono16() {
    WavImporter importer;
    CORRADE_VERIFY(importer.openFile(Utility::Directory::join(WAVAUDIOIMPORTER_TEST_DIR, "mono16.wav")));

    CORRADE_COMPARE(importer.format(), Buffer::Format::Mono16);
    CORRADE_COMPARE(importer.frequency(), 44000);
    Containers::Array<unsigned char> data = importer.data();
    CORRADE_COMPARE(data.size(), 4);
    CORRADE_COMPARE(data[0], 0x1d);
    CORRADE_COMPARE(data[1], 0x10);
    CORRADE_COMPARE(data[2], 0x71);
    CORRADE_COMPARE(data[3], 0xC5);
}

            crimild::Bool encode( std::string key, containers::Array< T, U > &a )
            {
                crimild::Size N = a.size();
                encodeArrayBegin( key, N );
                
                a.each( [ this, key ]( T &elem, crimild::Size i ) {
					auto itemKey = beginEncodingArrayElement( key, i );
                    encode( itemKey, elem );
					endEncodingArrayElement( key, i );
                });
                
                encodeArrayEnd( key );

				return true;
            }

void BufferGLTest::copy() {
    Buffer buffer1;
    constexpr char data[] = {2, 7, 5, 13, 25};
    buffer1.setData(data, BufferUsage::StaticCopy);

    Buffer buffer2;
    buffer2.setData({nullptr, 5}, BufferUsage::StaticRead);

    Buffer::copy(buffer1, buffer2, 1, 2, 3);
    MAGNUM_VERIFY_NO_ERROR();

    /** @todo How to verify the contents in ES? */
    #ifndef MAGNUM_TARGET_GLES
    const Containers::Array<char> subContents = buffer2.subData<char>(2, 3);
    CORRADE_COMPARE(subContents.size(), 3);
    CORRADE_COMPARE(subContents[0], 7);
    CORRADE_COMPARE(subContents[1], 5);
    CORRADE_COMPARE(subContents[2], 13);
    #endif
}

void BufferGLTest::mapRangeExplicitFlush() {
    #ifndef MAGNUM_TARGET_GLES
    if(!Context::current()->isExtensionSupported<Extensions::GL::ARB::map_buffer_range>())
        CORRADE_SKIP(Extensions::GL::ARB::map_buffer_range::string() + std::string(" is not supported"));
    #elif defined(MAGNUM_TARGET_GLES2)
    if(!Context::current()->isExtensionSupported<Extensions::GL::EXT::map_buffer_range>())
        CORRADE_SKIP(Extensions::GL::EXT::map_buffer_range::string() + std::string(" is not supported"));
    #endif

    constexpr char data[] = {2, 7, 5, 13, 25};
    Buffer buffer;
    buffer.setData(data, BufferUsage::StaticDraw);

    /* Map, set byte, don't flush and unmap */
    char* contents = buffer.map<char>(1, 4, Buffer::MapFlag::Write|Buffer::MapFlag::FlushExplicit);
    CORRADE_VERIFY(contents);
    contents[2] = 99;
    CORRADE_VERIFY(buffer.unmap());
    MAGNUM_VERIFY_NO_ERROR();

    /* Unflushed range _might_ not be changed, thus nothing to test */

    /* Map, set byte, flush and unmap */
    contents = buffer.map<char>(1, 4, Buffer::MapFlag::Write|Buffer::MapFlag::FlushExplicit);
    CORRADE_VERIFY(contents);
    contents[3] = 107;
    buffer.flushMappedRange(3, 1);
    MAGNUM_VERIFY_NO_ERROR();
    CORRADE_VERIFY(buffer.unmap());
    MAGNUM_VERIFY_NO_ERROR();

    /* Flushed range should be changed */
    /** @todo How to verify the contents in ES? */
    #ifndef MAGNUM_TARGET_GLES
    Containers::Array<char> changedContents = buffer.data<char>();
    CORRADE_COMPARE(changedContents.size(), 5);
    CORRADE_COMPARE(changedContents[4], 107);
    #endif
}

void BufferGLTest::data() {
    Buffer buffer;

    /* Plain array */
    constexpr Int data[] = {2, 7, 5, 13, 25};
    buffer.setData({data, 5}, BufferUsage::StaticDraw);
    MAGNUM_VERIFY_NO_ERROR();
    CORRADE_COMPARE(buffer.size(), 5*4);

    /* STL vector */
    std::vector<Int> data2{2, 7, 5, 13, 25};
    buffer.setData(data2, BufferUsage::StaticDraw);
    MAGNUM_VERIFY_NO_ERROR();
    CORRADE_COMPARE(buffer.size(), 5*4);

    /* STL array */
    std::array<Int, 5> data3{{2, 7, 5, 13, 25}};
    buffer.setData(data3, BufferUsage::StaticDraw);
    MAGNUM_VERIFY_NO_ERROR();
    CORRADE_COMPARE(buffer.size(), 5*4);

    /** @todo How to verify the contents in ES? */
    #ifndef MAGNUM_TARGET_GLES
    const Containers::Array<Int> contents = buffer.data<Int>();
    MAGNUM_VERIFY_NO_ERROR();
    CORRADE_COMPARE(contents.size(), 5);
    CORRADE_COMPARE(contents[0], 2);
    CORRADE_COMPARE(contents[1], 7);
    CORRADE_COMPARE(contents[2], 5);
    CORRADE_COMPARE(contents[3], 13);
    CORRADE_COMPARE(contents[4], 25);
    #endif

    /* Plain array */
    constexpr Int subData[] = {125, 3, 15};
    buffer.setSubData(4, {subData, 3});
    MAGNUM_VERIFY_NO_ERROR();
    CORRADE_COMPARE(buffer.size(), 5*4);

    /* STL vector */
    std::vector<Int> subData2{125, 3, 15};
    buffer.setSubData(4, subData2);
    MAGNUM_VERIFY_NO_ERROR();
    CORRADE_COMPARE(buffer.size(), 5*4);

    /* STL array */
    std::array<Int, 3> subData3{{125, 3, 15}};
    buffer.setSubData(4, subData3);
    MAGNUM_VERIFY_NO_ERROR();
    CORRADE_COMPARE(buffer.size(), 5*4);

    /** @todo How to verify the contents in ES? */
    #ifndef MAGNUM_TARGET_GLES
    const Containers::Array<Int> subContents = buffer.subData<Int>(4, 3);
    MAGNUM_VERIFY_NO_ERROR();
    CORRADE_COMPARE(subContents.size(), 3);
    CORRADE_COMPARE(subContents[0], 125);
    CORRADE_COMPARE(subContents[1], 3);
    CORRADE_COMPARE(subContents[2], 15);
    #endif
}