Examples of java.io.ByteArrayInputStream.available()

java.io.ByteArrayInputStream.available()
Answers a int representing then number of bytes that are available before this ByteArrayInputStream will block. This method returns the number of bytes yet to be read from the underlying byte array. @return the number of bytes available before blocking.

        byte[] buffer = "1234567890".getBytes("UTF-8");


        BufferedOutputStream buffos = new BufferedOutputStream(byteArrayos, 10);
        buffos.write(buffer, 0, 10);
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes written, not buffered", 10, byteArrayis.available());
        buffos.flush();
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes not written after flush", 10, byteArrayis
                .available());
        for (int i = 0; i < 10; i++) {

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        buffos.write(buffer, 0, 10);
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes written, not buffered", 10, byteArrayis.available());
        buffos.flush();
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes not written after flush", 10, byteArrayis
                .available());
        for (int i = 0; i < 10; i++) {
            assertEquals(buffer[i], byteArrayis.read());
        }

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            assertEquals(buffer[i], byteArrayis.read());
        }


        buffos.write(buffer, 0, 10);
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes written, not buffered", 20, byteArrayis.available());
        buffos.flush();
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes not written after flush", 20, byteArrayis
                .available());
        for (int i = 0; i < 10; i++) {

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        buffos.write(buffer, 0, 10);
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes written, not buffered", 20, byteArrayis.available());
        buffos.flush();
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes not written after flush", 20, byteArrayis
                .available());
        for (int i = 0; i < 10; i++) {
            assertEquals(buffer[i], byteArrayis.read());
        }
        for (int i = 0; i < 10; i++) {

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            assertEquals(buffer[i], byteArrayis.read());
        }


        buffos.write(buffer, 0, 10);
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes written, not buffered", 30, byteArrayis.available());
        buffos.flush();
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes not written after flush", 30, byteArrayis
                .available());
        for (int i = 0; i < 10; i++) {

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        buffos.write(buffer, 0, 10);
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes written, not buffered", 30, byteArrayis.available());
        buffos.flush();
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes not written after flush", 30, byteArrayis
                .available());
        for (int i = 0; i < 10; i++) {
            assertEquals(buffer[i], byteArrayis.read());
        }
        for (int i = 0; i < 10; i++) {

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        byte[] buffer = "1234567890".getBytes("UTF-8");


        BufferedOutputStream buffos = new BufferedOutputStream(byteArrayos, 20);
        buffos.write(buffer, 0, 10);
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes written, not buffered", 0, byteArrayis.available());
        buffos.flush();
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes not written after flush", 10, byteArrayis
                .available());
        for (int i = 0; i < 10; i++) {

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        buffos.write(buffer, 0, 10);
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes written, not buffered", 0, byteArrayis.available());
        buffos.flush();
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes not written after flush", 10, byteArrayis
                .available());
        for (int i = 0; i < 10; i++) {
            assertEquals(buffer[i], byteArrayis.read());
        }

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        }


        byte[] buffer2 = new byte[] { 'a', 'b', 'c', 'd' };
        buffos.write(buffer2, 0, 4);
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes written, not buffered", 10, byteArrayis.available());
        buffos.flush();
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes not written after flush", 14, byteArrayis
                .available());
        for (int i = 0; i < 10; i++) {

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        buffos.write(buffer2, 0, 4);
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes written, not buffered", 10, byteArrayis.available());
        buffos.flush();
        byteArrayis = new ByteArrayInputStream(byteArrayos.toByteArray());
        assertEquals("Bytes not written after flush", 14, byteArrayis
                .available());
        for (int i = 0; i < 10; i++) {
            assertEquals(buffer[i], byteArrayis.read());
        }
        for (int i = 0; i < 4; i++) {

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