Examples of java.util.zip.Inflater.inflate()

java.util.zip.Inflater.inflate()
Uncompresses bytes into specified buffer. Returns actual number of bytes uncompressed. A return value of 0 indicates that needsInput() or needsDictionary() should be called in order to determine if more input data or a preset dictionary is required. In the latter case, getAdler() can be used to get the Adler-32 value of the dictionary required. @param b the buffer for the uncompressed data @param off the start offset of the data @param len the maximum number of uncompressed bytes @return the actual number of uncompressed bytes @exception DataFormatException if the compressed data format is invalid @see Inflater#needsInput @see Inflater#needsDictionary


    // testing without dictionary
    Inflater inflate = new Inflater();
    try {
      inflate.setInput(outPutBuff1);
      inflate.inflate(outPutInf);
      assertFalse(
          "method needsDictionary returned true when dictionary was not used in deflater",
          inflate.needsDictionary());
    } catch (DataFormatException e) {
      fail(

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    try {
      while (!(inflate.finished())) {
        if (inflate.needsInput()) {
          inflate.setInput(outPutBuff1);
        }
        y += inflate.inflate(outPutInf, y, outPutInf.length - y);
      }
    } catch (DataFormatException e) {
      fail("Invalid input to be decompressed");
    }
    for (int i = 0; i < byteArray.length; i++) {

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    try {
      while (!(inflate.finished())) {
        if (inflate.needsInput()) {
          inflate.setInput(outPutBuff1);
        }
        inflate.inflate(outPutInf);
      }
    } catch (DataFormatException e) {
      fail("Invalid input to be decompressed");
    }
    for (int i = 0; i < byteArray.length; i++) {

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        byte[] output = new byte[100];
        def.setInput(input);
        def.finish();
        def.deflate(output);
        inf.setInput(output);
        int compressedDataLength =inf.inflate(input);
        assertEquals(16, inf.getTotalIn());
        assertEquals(compressedDataLength, inf.getTotalOut());
        assertEquals(16, inf.getBytesRead());
    }

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        byte[] output = new byte[100];
        def.setInput(input);
        def.finish();
        def.deflate(output);
        inf.setInput(output);
        int compressedDataLength =inf.inflate(input);
        assertEquals(16, inf.getTotalIn());
        assertEquals(compressedDataLength, inf.getTotalOut());
        assertEquals(14, inf.getBytesWritten());
    }

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     * @tests java.util.zip.Deflater#inflate(byte[], int, int)
     */
    public void testInflate() throws Exception {
        // Regression for HARMONY-81 
        Inflater inf = new Inflater();
        int res = inf.inflate(new byte[0], 0, 0);


        assertEquals(0, res);


        // Regression for HARMONY-2508
        Inflater inflater = new Inflater();

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        assertEquals(0, res);


        // Regression for HARMONY-2508
        Inflater inflater = new Inflater();
        byte[] b = new byte[1024];
        assertEquals(0, inflater.inflate(b));
        inflater.end();
        
        // Regression for HARMONY-2510
        inflater = new Inflater();
        byte[] input = new byte[] { -1 };

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        // Regression for HARMONY-2510
        inflater = new Inflater();
        byte[] input = new byte[] { -1 };
        inflater.setInput(input);
        try {
            inflater.inflate(b);
            fail("should throw DataFormateException");
        } catch (DataFormatException e) {
            // expected
        }       
    }

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      while (!(inflate.finished())) {
        if (inflate.needsInput()) {
          inflate.setInput(outPutBuff1);
        }


        inflate.inflate(outPutInf);
      }
      assertTrue(
          "the method finished() returned false when no more data needs to be decompressed",
          inflate.finished());
    } catch (DataFormatException e) {

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      while (!(inflate.finished())) {
        if (inflate.needsInput()) {
          inflate.setInput(outPutBuf);
        }


        inflate.inflate(outPutInf);
      }
    } catch (DataFormatException e) {
      fail("Input to inflate is invalid or corrupted - getTotalIn");
    }
    // System.out.print(deflate.getTotalOut() + " " + inflate.getTotalIn());

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