# -*- coding: utf-8 -*-

from system_tests import CaseMeta, path

import unittest

@unittest.skip("Skipping test using option -pR (only for Debug mode)")

class SegmentationFaultPngImage(metaclass=CaseMeta):

    """

    Regression test for the bug described in:

    https://github.com/Exiv2/exiv2/issues/828

    """

    url = "https://github.com/Exiv2/exiv2/issues/828"

    filename = path("$data_path/issue_828_poc.png")

    commands = ["$exiv2 -pR $filename"]

    stdout = ["""STRUCTURE OF PNG FILE: $filename

 address | chunk |  length | data                           | checksum

       8 | IHDR  |      13 | .............                  | 0x085f152d

      33 | gAMA  |       4 | ....                           | 0x0bfc6105

      49 | PLTE  |     717 | .........].....Y..q..}..q..y.. | 0x7b35a4a5

     778 | tRNS  |     238 | -U...............}...=..e..... | 0xebd29012

    1028 | bKGD  |       1 | .                              | 0xcfb7d237

    1041 | tEXt  |      14 | Title.IceAlpha                 | 0xc562f8cb

    1067 | tEXt  |      31 | Author.Pieter S. van der Meule | 0x6bfe26a8

    1110 | tEXt  |     411 | Description.The original image | 0xe12effe4

"""

]

    stderr = [

        """$exiv2_exception_message $filename:

$kerCorruptedMetadata

"""]

    retval = [1]