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Problem Report 1857 Details

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Report 1857 Actions

    Problem Report Number 1857
    Submitter's Classification Minor System Fault
    State Resolved
    Resolution Minor System Fault (MSF)
    Problem Resolution ID MSF.X.0078
    Raised 2001-07-12 08:00
    Updated 2003-03-13 08:00
    Published 2001-07-20 08:00
    Expiry Date 2002-07-19
    Product Standard Window System Application Interface V2
    Certification Program The Open Brand certification program
    Test Suite VSW version 5.1.2
    Test Identification Xlib14/XSetICFocus 1
    Linked Problem Reports PIN4W.00025, (in, old, system)
    Problem Summary MSF4W.00028 A temporary waiver is requested for a minor problem with XCreateIC().
    Problem Text
    (Also affected: Xlib14/XwcResetIC Purpose 1)

    Tests XSetICFocus and XwcResetIC fail as UNRESOLVED with VSW5.1.2
    These tests PASS with VSW5.1.1.
    The change implemented in 5.1.2 to resolve TSD4W.00168 causes these
    new failures.

    Possibly related to other failures where input context cannot be created.
    (refer to PIN4W.00025)

    Testing was performed in the C locale.

    When using XCreateIC as in (1) a NULL is returned indicating a failure
    to create a input context.
    (1) ic_value = XCreateIC(im_value,
    XNClientWindow, win,
    XNInputStyle, (XIMPreeditNone | XIMStatusNone),
    XNResourceName, "im_rname",
    XNResourceClass, "IM_rclass",
    NULL);

    If XCreateIC is used as in (2), a NULL is not returned.
    The tests XSetICFocus and XwcResetIC will PASS.

    (2) ic_value = XCreateIC(im_value,
    XNClientWindow, win,
    XNInputStyle, (XIMPreeditNone | XIMStatusNone),
    NULL);

    Case (1) is GOOD with locale en_US.UTF-8 (set using LC_ALL).

    According to the Xlib specification, section 13.5.6, values for
    Resource Name and Resource Class should be ignored by the input method.
    with styles XIMPreeditNone or XIMStatusNone.
    This seems to be the case in a locale other than C.
    XCreateIC should not return NULL with these styles and Resources
    set.

    We also request a clarification about the useage of XCreateIC
    in the ic_open() function in src/xim/ic.c, especially when the
    locale is C, support for which is not required with input methods.
    Is it realistic to attempt to set these resources if style
    is (XIMPreeditNone | XIMStatusNone) and locale is C ?

    Test Output
    70||"VSW5TESTSUITE CASE XSetICFocus 1"
    110|1677 /tset/Xlib14/sicfoc/Test 21:31:49|Build Start, scenario ref 1133-0
    130|1677 0 21:31:53|Build End, scenario ref 1133-0
    10|1678 /tset/Xlib14/sicfoc/Test 21:31:53|TC Start, scenario ref 1133-0
    15|1678 3.1-lite 1|TCM Start
    400|1678 1 1 21:31:58|IC Start
    200|1678 1 21:31:58|TP Start
    520|1678 1 00022324 1 1|VSW5TESTSUITE PURPOSE 1
    520|1678 1 00022324 1 2|Assertion XSetICFocus-1.(C)
    520|1678 1 00022324 1 3|If the implementation is X11R5 or later: A call to
    520|1678 1 00022324 1 4|XSetICFocus shall set input context focus.
    520|1678 1 00022324 1 5|PREP: Create a window for test.
    520|1678 1 00022324 1 6|TEST: XSetICFocus sets input context focus.
    520|1678 1 00022324 1 7|ERROR: ic_open() returned NULL
    220|1678 1 2 21:31:58|UNRESOLVED
    410|1678 1 1 21:31:58|IC End
    80|1678 0 21:31:59|TC End, scenario ref 1133-0

    70||"VSW5TESTSUITE CASE XwcResetIC 1"
    110|1710 /tset/Xlib14/wcreic/Test 21:33:42|Build Start, scenario ref 1155-0
    130|1710 0 21:33:45|Build End, scenario ref 1155-0
    10|1711 /tset/Xlib14/wcreic/Test 21:33:45|TC Start, scenario ref 1155-0
    15|1711 3.1-lite 1|TCM Start
    400|1711 1 1 21:33:50|IC Start
    200|1711 1 21:33:50|TP Start
    520|1711 1 00022849 1 1|VSW5TESTSUITE PURPOSE 1
    520|1711 1 00022849 1 2|Assertion XwcResetIC-1.(C)
    520|1711 1 00022849 1 3|If the implementation is X11R5 or later: A call to
    520|1711 1 00022849 1 4|XwcResetIC shall reset the state of an input context to
    its
    520|1711 1 00022849 1 5|initial state.
    520|1711 1 00022849 1 6|PREP: Create a window for test.
    520|1711 1 00022849 1 7|TEST: XwcResetIC resets the state of an input
    520|1711 1 00022849 1 8| context to its initial state
    520|1711 1 00022849 1 9|ERROR: could not find a supported IM style the test can
    use
    220|1711 1 2 21:33:50|UNRESOLVED
    410|1711 1 1 21:33:50|IC End
    80|1711 0 21:33:51|TC End, scenario ref 1155-0


    A test program to exercise XCreateIC in 2 locales was run - results below;
    * en_US.UTF-8
    $ ./testic
    GOOD ! Set locale: en_US.UTF-8
    Styles supported for this IM: 20
    Locale associated with this IM: en_US.UTF-8
    Using XCreateIC for each style...
    Supported Styles IM: 0x202
    GOOD: 0x202 ic_value was NOT NULL !
    Supported Styles IM: 0x102
    GOOD: 0x102 ic_value was NOT NULL !
    Supported Styles IM: 0x402
    GOOD: 0x402 ic_value was NOT NULL !
    Supported Styles IM: 0x204
    GOOD: 0x204 ic_value was NOT NULL !
    Supported Styles IM: 0x104
    GOOD: 0x104 ic_value was NOT NULL !
    Supported Styles IM: 0x404
    GOOD: 0x404 ic_value was NOT NULL !
    Supported Styles IM: 0x201
    GOOD: 0x201 ic_value was NOT NULL !
    Supported Styles IM: 0x101
    GOOD: 0x101 ic_value was NOT NULL !
    Supported Styles IM: 0x401
    GOOD: 0x401 ic_value was NOT NULL !
    Supported Styles IM: 0x208
    GOOD: 0x208 ic_value was NOT NULL !
    Supported Styles IM: 0x108
    GOOD: 0x108 ic_value was NOT NULL !
    Supported Styles IM: 0x408
    GOOD: 0x408 ic_value was NOT NULL !
    Supported Styles IM: 0x802
    GOOD: 0x802 ic_value was NOT NULL !
    Supported Styles IM: 0x804
    GOOD: 0x804 ic_value was NOT NULL !
    Supported Styles IM: 0x801
    GOOD: 0x801 ic_value was NOT NULL !
    Supported Styles IM: 0x808
    GOOD: 0x808 ic_value was NOT NULL !
    Supported Styles IM: 0x210
    GOOD: 0x210 ic_value was NOT NULL !
    Supported Styles IM: 0x110
    GOOD: 0x110 ic_value was NOT NULL !
    Supported Styles IM: 0x410
    GOOD: 0x410 ic_value was NOT NULL !
    Supported Styles IM: 0x810
    GOOD: 0x810 ic_value was NOT NULL !

    * C
    $ LC_ALL=C;export LC_ALL
    $ ./testic
    GOOD ! Set locale: C
    Styles supported for this IM: 1
    Supported Style IM: 0x810
    Locale associated with this IM: C
    Using XCreateIC for each style...
    Supported Styles IM: 0x810
    ERROR: XCreateIC returned a NULL input context for 0x810
    Done ..!

    Review Information

    Review Type TSMA Review
    Start Date null
    Completed null
    Status Complete
    Review Recommendation No Resolution Given
    Review Response
    The failure of XCreateIC() to ignore the extra Resource Name
    and Resource Class values does seem to be a minor problem which
    would not have much impact on application portability, and a
    temporary waiver is recommended.

    As regards this usage of XCreateIC() in ic_open(), it is assumed
    that the function works this way purely to make the code simpler.
    The usage is valid because the Xlib specification requires that
    the additional values will be ignored by XCreateIC().

    Review Type SA Review
    Start Date null
    Completed null
    Status Complete
    Review Resolution Minor System Fault (MSF)
    Review Conclusion
    A Temporary Waiver is granted.

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