RangeHelperImpl_Test.java 文件源码

@Test
public void testReplacingValueWhenWeTransfer0Bytes() {
    final ImmutableCollection<Range> existingRanges = makeSomeRanges();

    final long intendedNumBytesToTransfer = numBytesToTransfer(existingRanges, existingRanges.size());
    final long numBytesTransferred = 0;

    final ImmutableCollection<Range> newRanges = RangeHelper.replaceRange(existingRanges, numBytesTransferred, intendedNumBytesToTransfer);

    assertEquals(3, newRanges.size());

    final UnmodifiableIterator<Range> existingRangesIterator = existingRanges.iterator();

    final UnmodifiableIterator<Range> newRangesIterator = newRanges.iterator();

    while (existingRangesIterator.hasNext()) {
        final Range existingRange = existingRangesIterator.next();
        final Range newRange = newRangesIterator.next();

        assertEquals(existingRange.getStart(), newRange.getStart());
        assertEquals(existingRange.getLength(), newRange.getLength());
    }
}