Package org.apache.hadoop.fs

Examples of org.apache.hadoop.fs.FSInputStream.seek()

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    Random rand = new Random(seed);
    rand.nextBytes(expected);
   
    // Issue a simple read first.
  byte[] actual = new byte[128];
    stmRaw.seek(100000);
    stmRaw.read(actual, 0, actual.length);
    checkAndEraseData(actual, 100000, expected, "First Small Read Test");

    // now do a small seek of 4 bytes, within the same block.
    int newpos1 = 100000 + 128 + 4;
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    stmRaw.read(actual, 0, actual.length);
    checkAndEraseData(actual, 100000, expected, "First Small Read Test");

    // now do a small seek of 4 bytes, within the same block.
    int newpos1 = 100000 + 128 + 4;
    stmRaw.seek(newpos1);
    stmRaw.read(actual, 0, actual.length);
    checkAndEraseData(actual, newpos1, expected, "Small Seek Bug 1");

    // seek another 256 bytes this time
    int newpos2 = newpos1 + 256;
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    stmRaw.read(actual, 0, actual.length);
    checkAndEraseData(actual, newpos1, expected, "Small Seek Bug 1");

    // seek another 256 bytes this time
    int newpos2 = newpos1 + 256;
    stmRaw.seek(newpos2);
    stmRaw.read(actual, 0, actual.length);
    checkAndEraseData(actual, newpos2, expected, "Small Seek Bug 2");

    // all done
    stmRaw.close();
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