Package org.apache.directmemory.memory.buffer

Examples of org.apache.directmemory.memory.buffer.MemoryBuffer.capacity()


        allocator.free( bf5 );
       
        MemoryBuffer bf7 = allocator.allocate( 800 );
        Assert.assertEquals( 1024, bf7.maxCapacity() );
        Assert.assertEquals( 800, bf7.capacity() );
    
        allocator.close();
    }
   
}
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        Allocator allocator = new FixedSizeByteBufferAllocatorImpl( 0, 5000, 256, 1 );

        MemoryBuffer bf1 = allocator.allocate( 250 );
        Assert.assertEquals( 256, bf1.maxCapacity() );
        Assert.assertEquals( 250, bf1.capacity() );

        MemoryBuffer bf2 = allocator.allocate( 251 );
        Assert.assertEquals( 256, bf2.maxCapacity() );
        Assert.assertEquals( 251, bf2.capacity() );
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        Assert.assertEquals( 256, bf1.maxCapacity() );
        Assert.assertEquals( 250, bf1.capacity() );

        MemoryBuffer bf2 = allocator.allocate( 251 );
        Assert.assertEquals( 256, bf2.maxCapacity() );
        Assert.assertEquals( 251, bf2.capacity() );

        MemoryBuffer bf3 = allocator.allocate( 200 );
        Assert.assertEquals( 256, bf3.maxCapacity() );
        Assert.assertEquals( 200, bf3.capacity() );
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        Assert.assertEquals( 256, bf2.maxCapacity() );
        Assert.assertEquals( 251, bf2.capacity() );

        MemoryBuffer bf3 = allocator.allocate( 200 );
        Assert.assertEquals( 256, bf3.maxCapacity() );
        Assert.assertEquals( 200, bf3.capacity() );

        MemoryBuffer bf4 = allocator.allocate( 2000 );
        Assert.assertNull( bf4 );

        MemoryBuffer bf5 = allocator.allocate( 298 );
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        MemoryBuffer bf5 = allocator.allocate( 298 );
        Assert.assertNull( bf5 );

        MemoryBuffer bf6 = allocator.allocate( 128 );
        Assert.assertEquals( 256, bf6.maxCapacity() );
        Assert.assertEquals( 128, bf6.capacity() );

        allocator.close();
    }

    @Test
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        Allocator allocator = new FixedSizeByteBufferAllocatorImpl( 0, 1000, 256, 1 );

        MemoryBuffer bf1 = allocator.allocate( 250 );
        Assert.assertEquals( 256, bf1.maxCapacity() );
        Assert.assertEquals( 250, bf1.capacity() );

        MemoryBuffer bf2 = allocator.allocate( 251 );
        Assert.assertEquals( 256, bf2.maxCapacity() );
        Assert.assertEquals( 251, bf2.capacity() );
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        Assert.assertEquals( 256, bf1.maxCapacity() );
        Assert.assertEquals( 250, bf1.capacity() );

        MemoryBuffer bf2 = allocator.allocate( 251 );
        Assert.assertEquals( 256, bf2.maxCapacity() );
        Assert.assertEquals( 251, bf2.capacity() );

        MemoryBuffer bf3 = allocator.allocate( 252 );
        Assert.assertEquals( 256, bf3.maxCapacity() );
        Assert.assertEquals( 252, bf3.capacity() );
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        Assert.assertEquals( 256, bf2.maxCapacity() );
        Assert.assertEquals( 251, bf2.capacity() );

        MemoryBuffer bf3 = allocator.allocate( 252 );
        Assert.assertEquals( 256, bf3.maxCapacity() );
        Assert.assertEquals( 252, bf3.capacity() );

        MemoryBuffer bf4 = allocator.allocate( 500 );
        Assert.assertNull( bf4 );

        allocator.free( bf1 );
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        MemoryBuffer bf5 = allocator.allocate( 500 );
        Assert.assertNull( bf5 );

        MemoryBuffer bf6 = allocator.allocate( 249 );
        Assert.assertEquals( 256, bf6.maxCapacity() );
        Assert.assertEquals( 249, bf6.capacity() );

        MemoryBuffer bf7 = allocator.allocate( 248 );
        Assert.assertEquals( 256, bf7.maxCapacity() );
        Assert.assertEquals( 248, bf7.capacity() );
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        Assert.assertEquals( 256, bf6.maxCapacity() );
        Assert.assertEquals( 249, bf6.capacity() );

        MemoryBuffer bf7 = allocator.allocate( 248 );
        Assert.assertEquals( 256, bf7.maxCapacity() );
        Assert.assertEquals( 248, bf7.capacity() );

        allocator.close();
    }

    @Test
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