189 lines
5.2 KiB
Makefile
189 lines
5.2 KiB
Makefile
# $NetBSD: varmod-gmtime.mk,v 1.21 2023/11/19 21:47:52 rillig Exp $
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#
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# Tests for the :gmtime variable modifier, which formats a timestamp
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# using strftime(3) in UTC.
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#
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# See also:
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# varmod-localtime.mk
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.if ${TZ:Uundefined} != "undefined" # see unit-tests/Makefile
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. error
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.endif
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# Test for the default time format, %c. Since the time always varies, it's
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# only possible to check for the general format here. The names of the
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# month and weekday are always in English, independent from the locale.
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# Example: Thu Oct 29 18:56:41 2020
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.if ${:U:gmtime:tW:M??? ??? ?? ??\:??\:?? ????} == ""
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. error
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.endif
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# modifier name too short, falling back to the SysV modifier.
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.if ${%Y:L:gmtim=1593536400} != "%Y"
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. error
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.endif
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# 2020-07-01T00:00:00Z
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.if ${%Y:L:gmtime=1593536400} != "2020"
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. error
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.endif
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# modifier name too long, falling back to the SysV modifier.
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.if ${%Y:L:gmtimer=1593536400} != "%Y"
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. error
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.endif
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# If the modifier name is not matched exactly, fall back to the
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# :from=to modifier.
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.if ${gmtime:L:gm%=local%} != "localtime"
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. error
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.endif
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# Before var.c 1.1050 from 2023-05-09, it was not possible to pass the
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# seconds via an expression.
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.if ${%Y:L:gmtime=${:U1593536400}} != "2020"
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. error
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.endif
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# Before var.c 1.631 from 2020-10-31 21:40:20, it was possible to pass
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# negative time stamps to the :gmtime modifier, resulting in dates before
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# 1970. Going back 50 years in the past is not a practical use case for
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# make. Therefore, since var.c 1.631, negative time stamps produce a
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# parse error.
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# expect+2: Invalid time value "-1"
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# expect+1: Malformed conditional (${:L:gmtime=-1} != "")
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.if ${:L:gmtime=-1} != ""
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. error
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.else
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. error
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.endif
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# Spaces were allowed before var.c 1.631 from 2020-10-31 21:40:20, not
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# because it would make sense but just as a side-effect from using strtoul.
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# expect+2: Invalid time value " 1"
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# expect+1: Malformed conditional (${:L:gmtime= 1} != "")
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.if ${:L:gmtime= 1} != ""
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. error
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.else
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. error
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.endif
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# 0 means now; this differs from GNode.mtime, where a 0 means nonexistent.
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# Since "now" constantly changes, the strongest possible test is to match the
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# resulting pattern.
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.if !${:L:gmtime=0:tW:M??? ??? ?? ??\:??\:?? 20??}
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. error
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.endif
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.if ${:L:gmtime=1} != "Thu Jan 1 00:00:01 1970"
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. error
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.endif
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# INT32_MAX
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.if ${:L:gmtime=2147483647} != "Tue Jan 19 03:14:07 2038"
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. error
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.endif
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.if ${:L:gmtime=2147483648} == "Tue Jan 19 03:14:08 2038"
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# All systems that have unsigned time_t or 64-bit time_t.
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.elif ${:L:gmtime=2147483648} == "Fri Dec 13 20:45:52 1901"
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# FreeBSD-12.0-i386 still has 32-bit signed time_t, see
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# sys/x86/include/_types.h, __LP64__.
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#
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# Linux on 32-bit systems may still have 32-bit signed time_t, see
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# sysdeps/unix/sysv/linux/generic/bits/typesizes.h, __TIMESIZE.
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.else
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. error
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.endif
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# Integer overflow, at least before var.c 1.631 from 2020-10-31.
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# Because this modifier is implemented using strtoul, the parsed time was
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# ULONG_MAX, which got converted to -1. This resulted in a time stamp of
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# the second before 1970.
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#
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# Since var.c 1.631 from 2020-10-31, the overflow is detected and produces a
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# parse error.
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# expect+2: Invalid time value "10000000000000000000000000000000"
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# expect+1: Malformed conditional (${:L:gmtime=10000000000000000000000000000000} != "")
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.if ${:L:gmtime=10000000000000000000000000000000} != ""
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. error
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.else
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. error
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.endif
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# Before var.c 1.631 from 2020-10-31, there was no error handling while
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# parsing the :gmtime modifier, thus no error message was printed. Parsing
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# stopped after the '=', and the remaining string was parsed for more variable
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# modifiers. Because of the unknown modifier 'e' from the 'error', the whole
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# variable value was discarded and thus not printed.
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# expect+2: Invalid time value "error"
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# expect+1: Malformed conditional (${:L:gmtime=error} != "")
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.if ${:L:gmtime=error} != ""
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. error
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.else
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. error
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.endif
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# Before var.c 1.1050 from 2023-05-09, the timestamp could be directly
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# followed by the next modifier, without a ':' separator. This was the same
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# bug as for the ':L' and ':P' modifiers.
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# expect+2: Invalid time value "100000S,1970,bad,"
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# expect+1: Malformed conditional (${%Y:L:gmtime=100000S,1970,bad,} != "bad")
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.if ${%Y:L:gmtime=100000S,1970,bad,} != "bad"
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. error
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.endif
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# Before var.c 1.1062 from 2023-08-19, ':gmtime' but not ':localtime' reported
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# wrong values for '%s', depending on the operating system and the timezone.
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export TZ=UTC
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.for t in ${%s:L:gmtime} ${%s:L:localtime}
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TIMESTAMPS+= $t
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.endfor
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export TZ=Europe/Berlin
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.for t in ${%s:L:gmtime} ${%s:L:localtime}
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TIMESTAMPS+= $t
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.endfor
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export TZ=UTC
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.for t in ${%s:L:gmtime} ${%s:L:localtime}
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TIMESTAMPS+= $t
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.endfor
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export TZ=America/Los_Angeles
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.for t in ${%s:L:gmtime} ${%s:L:localtime}
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TIMESTAMPS+= $t
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.endfor
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export TZ=UTC
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.for t in ${%s:L:gmtime} ${%s:L:localtime}
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TIMESTAMPS+= $t
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.endfor
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.for a b in ${TIMESTAMPS:[1]} ${TIMESTAMPS:@t@$t $t@} ${TIMESTAMPS:[-1]}
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. if $a > $b
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. warning timestamp $a > $b
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. endif
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.endfor
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.if ${year=%Y month=%m day=%d:L:gmtime=1459494000} != "year=2016 month=04 day=01"
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. error
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.endif
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# Slightly contorted syntax to convert a UTC timestamp from an expression to a
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# formatted timestamp.
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.if ${%Y%m%d:L:${gmtime=${:U1459494000}:L}} != "20160401"
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. error
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.endif
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all:
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