Examples of java.util.zip.DeflaterInputStream.available()

java.util.zip.DeflaterInputStream.available()
Returns 0 after EOF has been reached, otherwise always return 1.
Programs should not count on this method to return the actual number of bytes that could be read without blocking @return zero after the end of the underlying input stream has beenreached, otherwise always returns 1 @throws IOException if an I/O error occurs or if this stream isalready closed

        assertEquals(120, dis.read());
        assertEquals(1, dis.available());
        assertEquals(156, dis.read());
        assertEquals(1, dis.available());
        assertEquals(243, dis.read());
        assertEquals(1, dis.available());
        dis.close();
        try {
            dis.read();
            fail("should throw IOException");
        } catch (IOException e) {

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        assertEquals(23, dis.read(buf1, 0, 256));
        dis = new DeflaterInputStream(is);
        assertEquals(8, dis.read(buf2, 0, 256));
        is = new ByteArrayInputStream(testStr.getBytes("UTF-8"));
        dis = new DeflaterInputStream(is);
        assertEquals(1, dis.available());
        assertEquals(120, dis.read());
        assertEquals(1, dis.available());
        assertEquals(22, dis.read(buf2, 0, 256));
        assertEquals(1, dis.available());
        assertEquals(-1, dis.read());

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        assertEquals(8, dis.read(buf2, 0, 256));
        is = new ByteArrayInputStream(testStr.getBytes("UTF-8"));
        dis = new DeflaterInputStream(is);
        assertEquals(1, dis.available());
        assertEquals(120, dis.read());
        assertEquals(1, dis.available());
        assertEquals(22, dis.read(buf2, 0, 256));
        assertEquals(1, dis.available());
        assertEquals(-1, dis.read());
        assertEquals(0, dis.available());
        try {

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        dis = new DeflaterInputStream(is);
        assertEquals(1, dis.available());
        assertEquals(120, dis.read());
        assertEquals(1, dis.available());
        assertEquals(22, dis.read(buf2, 0, 256));
        assertEquals(1, dis.available());
        assertEquals(-1, dis.read());
        assertEquals(0, dis.available());
        try {
            dis.read(buf1, 0, 512);
            fail("should throw IndexOutOfBoundsException");

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        assertEquals(120, dis.read());
        assertEquals(1, dis.available());
        assertEquals(22, dis.read(buf2, 0, 256));
        assertEquals(1, dis.available());
        assertEquals(-1, dis.read());
        assertEquals(0, dis.available());
        try {
            dis.read(buf1, 0, 512);
            fail("should throw IndexOutOfBoundsException");
        } catch (IndexOutOfBoundsException e) {
            // expected

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     * @tests DeflaterInputStream#skip()
     */
    public void testSkip() throws IOException {
        byte[] buf = new byte[1024];
        DeflaterInputStream dis = new DeflaterInputStream(is);
        assertEquals(1, dis.available());
        dis.skip(1);
        assertEquals(1, dis.available());
        assertEquals(22, dis.read(buf, 0, 1024));
        assertEquals(1, dis.available());
        dis.skip(1);

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    public void testSkip() throws IOException {
        byte[] buf = new byte[1024];
        DeflaterInputStream dis = new DeflaterInputStream(is);
        assertEquals(1, dis.available());
        dis.skip(1);
        assertEquals(1, dis.available());
        assertEquals(22, dis.read(buf, 0, 1024));
        assertEquals(1, dis.available());
        dis.skip(1);
        assertEquals(0, dis.available());
        is = new ByteArrayInputStream(testStr.getBytes("UTF-8"));

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        DeflaterInputStream dis = new DeflaterInputStream(is);
        assertEquals(1, dis.available());
        dis.skip(1);
        assertEquals(1, dis.available());
        assertEquals(22, dis.read(buf, 0, 1024));
        assertEquals(1, dis.available());
        dis.skip(1);
        assertEquals(0, dis.available());
        is = new ByteArrayInputStream(testStr.getBytes("UTF-8"));
        dis = new DeflaterInputStream(is);
        assertEquals(1, dis.available());

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        dis.skip(1);
        assertEquals(1, dis.available());
        assertEquals(22, dis.read(buf, 0, 1024));
        assertEquals(1, dis.available());
        dis.skip(1);
        assertEquals(0, dis.available());
        is = new ByteArrayInputStream(testStr.getBytes("UTF-8"));
        dis = new DeflaterInputStream(is);
        assertEquals(1, dis.available());
        dis.skip(56);
        assertEquals(0, dis.available());

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        assertEquals(1, dis.available());
        dis.skip(1);
        assertEquals(0, dis.available());
        is = new ByteArrayInputStream(testStr.getBytes("UTF-8"));
        dis = new DeflaterInputStream(is);
        assertEquals(1, dis.available());
        dis.skip(56);
        assertEquals(0, dis.available());
        assertEquals(-1, dis.read(buf, 0, 1024));
        try {
            dis.skip(-1);

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