def vsifile_12():
target_dir = 'tmp'
if gdal.VSISupportsSparseFiles(target_dir) == 0:
return 'skip'
# Minimum value to make it work on NTFS
block_size = 65536
f = gdal.VSIFOpenL(target_dir + '/vsifile_12', 'wb')
gdal.VSIFWriteL('a', 1, 1, f)
if gdal.VSIFTruncateL(f, block_size * 2) != 0:
gdaltest.post_reason('fail')
return 'fail'
ret = gdal.VSIFGetRangeStatusL(f, 0, 1)
# We could get unknown on nfs
if ret == gdal.VSI_RANGE_STATUS_UNKNOWN:
print('Range status unknown')
else:
if ret != gdal.VSI_RANGE_STATUS_DATA:
gdaltest.post_reason('fail')
print(ret)
return 'fail'
ret = gdal.VSIFGetRangeStatusL(f, block_size * 2 - 1, 1)
if ret != gdal.VSI_RANGE_STATUS_HOLE:
gdaltest.post_reason('fail')
print(ret)
return 'fail'
gdal.VSIFCloseL(f)
gdal.Unlink(target_dir + '/vsifile_12')
return 'success'
def test_vsifile_12():
target_dir = 'tmp'
if gdal.VSISupportsSparseFiles(target_dir) == 0:
pytest.skip()
# Minimum value to make it work on NTFS
block_size = 65536
f = gdal.VSIFOpenL(target_dir + '/vsifile_12', 'wb')
gdal.VSIFWriteL('a', 1, 1, f)
assert gdal.VSIFTruncateL(f, block_size * 2) == 0
ret = gdal.VSIFGetRangeStatusL(f, 0, 1)
# We could get unknown on nfs
if ret == gdal.VSI_RANGE_STATUS_UNKNOWN:
print('Range status unknown')
else:
assert ret == gdal.VSI_RANGE_STATUS_DATA
ret = gdal.VSIFGetRangeStatusL(f, block_size * 2 - 1, 1)
assert ret == gdal.VSI_RANGE_STATUS_HOLE
gdal.VSIFCloseL(f)
gdal.Unlink(target_dir + '/vsifile_12')
