Examples of BlockedByteArray

Examples of org.apache.derby.impl.io.vfmem.BlockedByteArray

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    }

    public void testReadArray()
            throws IOException {
        int size = 65*1024;
        BlockedByteArray src = createBlockedByteArray(size);
        byte[] buf = new byte[4*1024];
        int read = 0;
        while (read < size) {
            read += src.read(read, buf, 0, buf.length);
        }
        src = createBlockedByteArray(size);
        buf = new byte[2567];
        read = 0;
        while (read < size) {
            read += src.read(read, buf, 0, buf.length);
        }
        src = createBlockedByteArray(size);
        buf = new byte[16*1024];
        read = 0;
        while (read < size) {
            read += src.read(read, buf, 0, buf.length);
        }
    }
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Examples of org.apache.derby.impl.io.vfmem.BlockedByteArray

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    }

    public void testReadSingle()
            throws IOException {
        int size = 65*1024;
        BlockedByteArray src = createBlockedByteArray(size);
        int read = 0;
        while (src.read(read) != -1) {
            read++;
        }
    }
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Examples of org.apache.derby.impl.io.vfmem.BlockedByteArray

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        }
    }

    public void testLength()
            throws IOException {
        BlockedByteArray src = createBlockedByteArray(0);
        assertEquals(0L, src.length());
        src.writeByte(0L, (byte)1);
        assertEquals(1L, src.length());
        src.writeByte(0L, (byte)1);
        assertEquals(1L, src.length());
        src.writeByte(9L, (byte)2);
        assertEquals(10L, src.length());
        byte[] bytes = new byte[4096];
        Arrays.fill(bytes, (byte)7);
        src.writeBytes(0L, bytes, 0, bytes.length);
        assertEquals(bytes.length, src.length());
        src.writeBytes(bytes.length, bytes, 0, bytes.length);
        assertEquals(2*bytes.length, src.length());

        // Test setLength
        src.setLength(55555);
        assertEquals(55555, src.length());
        src.setLength(44444);
        assertEquals(44444, src.length());
    }
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Examples of org.apache.derby.impl.io.vfmem.BlockedByteArray

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     *
     * @throws IOException if something goes wrong
     */
    public void testCapacityGrowth()
            throws IOException {
        BlockedByteArray src = createBlockedByteArray(0);
        src.setLength(1*1024*1024); // 1 MB
        src.setLength(10*1024*1024); // 10 MB
        src.setLength(5*1024*1024); // 5 MB
        src.setLength(7*1024*1024); // 7 MB
        assertEquals(7*1024*1024L, src.length());
        src.setLength(0); // 0 bytes
        assertEquals(0L, src.length());
        src.setLength(39*1024*1024); // 39 MB
        src.setLength(39*1024*1024+1); // 39 MB +1 B
        assertEquals(39*1024*1024+1L, src.length());
        src.setLength(39*1024*1024); // 39 MB
        assertEquals(39*1024*1024L, src.length());
        src.setLength(39*1024*1024); // 39 MB
        assertEquals(39*1024*1024L, src.length());
        src.setLength(-1); // Invalid value - causes array to be truncated.
        assertEquals(0L, src.length());
    }
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