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Problem Report 0889 Details

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Report 0889 Actions

    Problem Report Number 0889
    Submitter's Classification Test Suite problem
    State Resolved
    Resolution Test Suite Deficiency (TSD)
    Problem Resolution ID TSD.X.0404
    Raised 1970-01-01 08:00
    Updated 2003-03-13 08:00
    Published 1995-10-30 08:00
    Product Standard Commands and Utilities V2 (UNIX 95)
    Certification Program The Open Brand certification program
    Test Suite VSC version 4.1.5
    Test Identification POSIX.cmd/dd 30
    Problem Summary TSD4C.00107 This test may fail on implementations because the test is relying on the unspecified behavior of conv=block when cbs is zero.
    Problem Text
    This test may fail on implementations because the test is relying
    on the unspecified behavior of conv=block when cbs is zero.

    dd needs "cbs=" some value other than zero, when using block or unblock

    This test tests 'dd' with conv=block but without setting the
    cbs=expr operand.

    The X/Open CAE Specification (1992) for Commands and Utilities states,
    on page 252:

    "cbs=expr Specify the conversion block size for block and unblock in
    bytes by expr (default is zero). If cbs= is omitted or
    given a value of zero, using block or unblock produces
    unspecified results."
    Test Output
    06:28:49|IC Start
    28:51|TP Start
    058263 1 1|Assertion #30 (A): Verify \'dd (ibs|obs|cbs|bs)=expr\' w
    058263 1 2| <LC> orks with block.
    058263 1 11|Testing: if=example2.txt ibs=10 count=1
    058263 1 12|Command failed: '/bin/dd if=example2.txt ibs=10 count=1
    058263 1 13| <LC> conv=block > dd_out_30_1 2>/dev/null'
    058263 1 14|Command failed: 'cmp dd_out_30_1 dd_eso_30_1 >/dev/null
    058263 1 15| <LC> 2>&1'
    058263 1 16|Testing: if=example2.txt ibs=10 obs=10 count=1
    058263 1 17|Command failed: '/bin/dd if=example2.txt ibs=10 obs=10
    058263 1 18| <LC> count=1 conv=block > dd_out_30_2 2>/dev/null'
    058263 1 19|Command failed: 'cmp dd_out_30_2 dd_eso_30_1 >/dev/null
    058263 1 20| <LC> 2>&1'
    058263 1 21|Testing: if=example2.txt cbs=10 conv=block
    058263 1 22|Testing: if=example2.txt bs=10 count=1
    6:30:11|FAIL
    06:30:13|IC End

    Review Information

    Review Type TSMA Review
    Start Date null
    Completed null
    Status Complete
    Review Recommendation No Resolution Given
    Review Response
    We agree this is a test suite deficiency in the test
    suite version(s) listed.

    Review Type SA Review
    Start Date null
    Completed null
    Status Complete
    Review Resolution Test Suite Deficiency (TSD)
    Review Conclusion
    This is an agreed Test Suite Deficiency.

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