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From "Martin Sebor (JIRA)" <j...@apache.org>
Subject [jira] Commented: (STDCXX-798) [MSVC 8-x64] 0.printf test fails with number of assertions
Date Wed, 26 Mar 2008 19:49:24 GMT

    [ https://issues.apache.org/jira/browse/STDCXX-798?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12582409#action_12582409
] 

Martin Sebor commented on STDCXX-798:
-------------------------------------

I used the colon to make the 64 bit pointers more readable. If you want to get rid of it go
ahead.

> [MSVC 8-x64] 0.printf test fails with number of assertions
> ----------------------------------------------------------
>
>                 Key: STDCXX-798
>                 URL: https://issues.apache.org/jira/browse/STDCXX-798
>             Project: C++ Standard Library
>          Issue Type: Bug
>          Components: Test Driver
>    Affects Versions: 4.2.0
>         Environment: All
>            Reporter: Farid Zaripov
>             Fix For: 4.2.1
>
>   Original Estimate: 2h
>  Remaining Estimate: 2h
>
> The 0.printf test runs successfully on 32-bit MSVC, but fails on 64-bit MSVC. The failed
assertions listed below:
> {noformat}
> # Assertion failed on line 419: rw_sprintf("%s", ...) == "(invalid address 0x0000000000000020)",
got "(invalid address 0x00000020:00000000)"
> # Assertion failed on line 429: rw_sprintf("%ls", ...) == "(invalid address 0x0000000000000020)",
got "(invalid address 0x00000020:00000000)"
> # Assertion failed on line 432: rw_sprintf("%ls", ...) == "(misaligned address 0x000000014011e6e9)",
got "(misaligned address 0x4011e6e9:00000001)"
> # Assertion failed on line 507: rw_sprintf("%{#ls}", ...) == "(invalid address 0x0000000000000020)",
got "(invalid address 0x00000020:00000000)"
> # Assertion failed on line 510: rw_sprintf("%{#ls}", ...) == "(misaligned address 0x000000014011e6e9)",
got "(misaligned address 0x4011e6e9:00000001)"
> # Assertion failed on line 1994: rw_printf("%p", 0, 0, 0) == "0000000000000000", got
"00000000:00000000"
> # Assertion failed on line 1995: rw_printf("%p", 1, 0, 0) == "0000000000000001", got
"00000001:00000000"
> # Assertion failed on line 1996: rw_printf("%p", -1, 0, 0) == "00000000ffffffff", got
"ffffffff:00000000"
> # Assertion failed on line 1998: rw_printf("%#p", 0, 0, 0) == "0x0000000000000000", got
"0x00000000:00000000"
> # Assertion failed on line 1999: rw_printf("%#p", 291, 0, 0) == "0x0000000000000123",
got "0x00000123:00000000"
> # Assertion failed on line 2000: rw_printf("%#p", -1, 0, 0) == "0x00000000ffffffff",
got "0xffffffff:00000000"
> # Assertion failed on line 2047: rw_sprintf("%{f}", ...) == "0000000000000000", got "00000000:00000000"
> # Assertion failed on line 2048: rw_sprintf("%{f}", ...) == "0000000000000001", got "00000001:00000000"
> # Assertion failed on line 2049: rw_sprintf("%{f}", ...) == "00000000ffffffff", got "ffffffff:00000000"
> # Assertion failed on line 2051: rw_sprintf("%{#f}", ...) == "0x0000000000000000", got
"0x00000000:00000000"
> # Assertion failed on line 2052: rw_sprintf("%{#f}", ...) == "0x0000000000000123", got
"0x00000123:00000000"
> # Assertion failed on line 2053: rw_sprintf("%{#f}", ...) == "0x00000000ffffffff", got
"0xffffffff:00000000"
> # Assertion failed on line 2614: rw_sprintf("[%{.3P}]", ...) == "[12345]", got "[123]"
> # Assertion failed on line 2615: rw_sprintf("[%{10.3P}]", ...) == "[     12345]", got
"[       123]"
> # Assertion failed on line 2616: rw_sprintf("[%{+10.3P}]", ...) == "[     12345]", got
"[       123]"
> # Assertion failed on line 2617: rw_sprintf("[%{-10.3P}]", ...) == "[12345     ]", got
"[123       ]"
> # Assertion failed on line 2702: rw_sprintf("%{t}", ...) == "(invalid address 0x0000000000000020)",
got "(invalid address 0x00000020:00000000)"
> # Assertion failed on line 2705: rw_sprintf("%{t}", ...) == "(misaligned address 0x000000014011e6e9)",
got "(misaligned address 0x4011e6e9:00000001)"
> Failed 23 out of 1743 assertions.
> {noformat}
>   The first problem is difference between implementations of the format_bad_address()
in 0.printf.cpp file and _rw_fmtbadaddr() in rwtest library. The _rw_fmtbadaddr() uses _rw_fmtpointer()
to format the pointer value (the pointer divided to parts with size = sizeof (long) and these
parts are separated with colon ':') while format_bad_address() formats the pointer as integer
by casting it to size_t. The same problem when "%p" and "%{f}" formats are tested: the expected
value hardcoded in the test is a string with 16 numerals
>   I'm not sure what should be corrected: the format_bad_address() and expected results
for pointer formatting in 0.printf test of the _rw_fmtpointer() in test driver?
>   The second problem is difference between implementations of the _rw_fmtlong() and _rw_fmtllong().
I think they should be implemented the same way.

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